Commit Graph

722 Commits

Author SHA1 Message Date
Lad Prabhakar 19d398dca5 memory: omap-gpmc: Use platform_get_irq() to get the interrupt
platform_get_resource(pdev, IORESOURCE_IRQ, ..) relies on static
allocation of IRQ resources in DT core code, this causes an issue
when using hierarchical interrupt domains using "interrupts" property
in the node as this bypasses the hierarchical setup and messes up the
irq chaining.

In preparation for removal of static setup of IRQ resource from DT core
code use platform_get_irq().

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Acked-by: Roger Quadros <rogerq@ti.com>
Link: https://lore.kernel.org/r/20211221203916.18588-2-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-12-22 12:52:24 +01:00
Yong Wu 383a44aec9
memory: mtk-smi: Fix a null dereference for the ostd
We add the ostd setting for mt8195. It introduces a KE for the
previous SoC which doesn't have ostd setting. This is the log:

Unable to handle kernel NULL pointer dereference at virtual address
0000000000000080
...
pc : mtk_smi_larb_config_port_gen2_general+0x64/0x130
lr : mtk_smi_larb_resume+0x54/0x98
...
Call trace:
 mtk_smi_larb_config_port_gen2_general+0x64/0x130
 pm_generic_runtime_resume+0x2c/0x48
 __genpd_runtime_resume+0x30/0xa8
 genpd_runtime_resume+0x94/0x2c8
 __rpm_callback+0x44/0x150
 rpm_callback+0x6c/0x78
 rpm_resume+0x310/0x558
 __pm_runtime_resume+0x3c/0x88

In the code: larbostd = larb->larb_gen->ostd[larb->larbid],
if "larb->larb_gen->ostd" is null, the "larbostd" is the offset(e.g.
0x80 above), it's also a valid value, then accessing "larbostd[i]" in the
"for" loop will cause the KE above. To avoid this issue, initialize
"larbostd" to NULL when the SoC doesn't have ostd setting.

Fixes: fe6dd2a401 ("memory: mtk-smi: mt8195: Add initial setting for smi-larb")
Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20211108082429.15080-1-yong.wu@mediatek.com
Link: https://lore.kernel.org/r/20211124085042.9649-3-krzysztof.kozlowski@canonical.com'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-11-25 14:46:00 +01:00
Wolfram Sang 3542de6a5b memory: renesas-rpc-if: refactor MOIIO and IOFV macros
Don't use _HIZ macros but also provide a val. This is more consistent
with the other macros and, thus, easier to read. Also shorter.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20211119110442.4946-1-wsa+renesas@sang-engineering.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-11-22 10:53:26 +01:00
Wolfram Sang 57ea9daad5 memory: renesas-rpc-if: avoid use of undocumented bits
Instead of writing fixed values with undocumented bits which happen to
be set on some SoCs, better switch to read-modify-write operations
changing only bits which are documented. This is way more future-proof
as we don't know yet how these bits may be on upcoming SoCs.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20211117093710.14430-1-wsa+renesas@sang-engineering.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-11-22 10:53:01 +01:00
Wolfram Sang 2db468d6fd memory: renesas-rpc-if: simplify register update
No need to open code regmap_update_bits().

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20211117102902.20062-1-wsa+renesas@sang-engineering.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-11-22 10:52:34 +01:00
Lad Prabhakar 2602dc10f9 memory: renesas-rpc-if: Silence clang warning
This patch silences the following clang warning:

| drivers/memory/renesas-rpc-if.c:253:14: warning: cast to smaller integer
| type 'enum rpcif_type' from 'const void *' [-Wvoid-pointer-to-enum-cast]
|           rpc->type = (enum rpcif_type)of_device_get_match_data(dev);
|                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Fixes: b04cc0d912 ("memory: renesas-rpc-if: Add support for RZ/G2L")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20211121180155.9062-1-prabhakar.mahadev-lad.rj@bp.renesas.com
[krzysztof: drop enum rpcif_type cast]
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-11-22 10:51:44 +01:00
Lad Prabhakar b04cc0d912 memory: renesas-rpc-if: Add support for RZ/G2L
SPI Multi I/O Bus Controller on RZ/G2L SoC is almost identical to
the RPC-IF interface found on R-Car Gen3 SoC's.

This patch adds a new compatible string for the RZ/G2L family so
that the timing values on RZ/G2L can be adjusted.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20211025205631.21151-8-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-11-16 12:09:11 +01:00
Lad Prabhakar 5da9b59b23 memory: renesas-rpc-if: Drop usage of RPCIF_DIRMAP_SIZE macro
RPCIF_DIRMAP_SIZE may differ on various SoC's. Instead of using
RPCIF_DIRMAP_SIZE macro use resource size to get dirmap size
which is already part of struct rpcif.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20211025205631.21151-7-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-11-16 11:29:32 +01:00
Lad Prabhakar 818fdfa89b memory: renesas-rpc-if: Return error in case devm_ioremap_resource() fails
Make sure we return error in case devm_ioremap_resource() fails for dirmap
resource.

Fixes: ca7d8b980b ("memory: add Renesas RPC-IF driver")
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20211025205631.21151-6-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-11-16 11:28:56 +01:00
Arnd Bergmann bccb5d53e2 Memory controller drivers for v5.16, part two
1. Convert LPDDR2 bindings to dtschema and extend them with new
    properties.
 2. Tegra 20 EMC: support matching timings by LPDDR2 configuration from
    devicetree.
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Merge tag 'memory-controller-drv-5.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl into arm/drivers

Memory controller drivers for v5.16, part two

1. Convert LPDDR2 bindings to dtschema and extend them with new
   properties.
2. Tegra 20 EMC: support matching timings by LPDDR2 configuration from
   devicetree.

* tag 'memory-controller-drv-5.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl:
  memory: tegra20-emc: Add runtime dependency on devfreq governor module
  memory: tegra20-emc: Support matching timings by LPDDR2 configuration
  memory: Add LPDDR2-info helpers
  dt-bindings: memory: tegra20: emc: Document new LPDDR2 sub-node
  dt-bindings: Add vendor prefix for Elpida Memory
  dt-bindings: memory: lpddr2: Document Elpida B8132B2PB-6D-F
  dt-bindings: memory: lpddr2: Add revision-id properties
  dt-bindings: memory: lpddr2: Convert to schema
  dt-bindings: Relocate DDR bindings

Link: https://lore.kernel.org/r/20211021093002.118192-1-krzysztof.kozlowski@canonical.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-21 21:34:21 +02:00
Dmitry Osipenko 14b43c20c2 memory: tegra20-emc: Add runtime dependency on devfreq governor module
Tegra20 EMC driver uses simple devfreq governor. Add simple devfreq
governor to the list of the Tegra20 EMC driver module softdeps to allow
userspace initramfs tools like dracut to automatically pull the devfreq
module into ramfs image together with the EMC module.

Reported-by: Nicolas Chauvet <kwizart@gmail.com>
Suggested-by: Nicolas Chauvet <kwizart@gmail.com>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Link: https://lore.kernel.org/r/20211019231524.888-1-digetx@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-10-21 11:18:08 +02:00
Dmitry Osipenko 131dd9a436 memory: tegra20-emc: Support matching timings by LPDDR2 configuration
ASUS Transformer TF101 doesn't provide RAM code and in this case memory
timings should be selected based on identity information read out from
SDRAM chip. Support matching timings by LPDDR2 configuration.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Link: https://lore.kernel.org/r/20211006224659.21434-10-digetx@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-10-15 09:52:47 +02:00
Dmitry Osipenko 38322cf423 memory: Add LPDDR2-info helpers
Add common helpers for reading and parsing standard LPDDR2 configuration
properties.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Link: https://lore.kernel.org/r/20211006224659.21434-9-digetx@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-10-15 09:52:47 +02:00
Arnd Bergmann 16667625da Memory controller drivers for v5.16
1. Renesas RPC: fix unaligned bus access and QSPI data transfers in
    manual modes.
 2. Renesas RPC: select RESET_CONTROLLER as it is necessary for
    operation.
 3. FSL IFC: fix error paths.
 4. Broadcom: allow building as module.
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Merge tag 'memory-controller-drv-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl into arm/drivers

Memory controller drivers for v5.16

1. Renesas RPC: fix unaligned bus access and QSPI data transfers in
   manual modes.
2. Renesas RPC: select RESET_CONTROLLER as it is necessary for
   operation.
3. FSL IFC: fix error paths.
4. Broadcom: allow building as module.

* tag 'memory-controller-drv-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl:
  memory: fsl_ifc: fix leak of irq and nand_irq in fsl_ifc_ctrl_probe
  memory: renesas-rpc-if: RENESAS_RPCIF should select RESET_CONTROLLER
  memory: brcmstb_dpfe: Allow building Broadcom STB DPFE as module
  memory: samsung: describe drivers in KConfig
  memory: renesas-rpc-if: Avoid unaligned bus access for HyperFlash
  memory: renesas-rpc-if: Correct QSPI data transfer in Manual mode
  dt-bindings: rpc: renesas-rpc-if: Add support for the R8A779A0 RPC-IF

Link: https://lore.kernel.org/r/20211010175836.13302-1-krzysztof.kozlowski@canonical.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-11 12:07:57 +02:00
Arnd Bergmann f47794f5fa Memory controller drivers for v5.14 - Mediatek
Add MT8195 support to the Mediatek SMI memory controller driver.  This
 brings also several cleanups and minor enhancements before adding actual
 new device support.
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Merge tag 'memory-controller-drv-mtk-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl into arm/drivers

Memory controller drivers for v5.14 - Mediatek

Add MT8195 support to the Mediatek SMI memory controller driver.  This
brings also several cleanups and minor enhancements before adding actual
new device support.

* tag 'memory-controller-drv-mtk-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl:
  MAINTAINERS: Add entry for MediaTek SMI
  memory: mtk-smi: mt8195: Add initial setting for smi-larb
  memory: mtk-smi: mt8195: Add initial setting for smi-common
  memory: mtk-smi: mt8195: Add smi support
  memory: mtk-smi: Use devm_platform_ioremap_resource
  memory: mtk-smi: Add clocks for smi-sub-common
  memory: mtk-smi: Add device link for smi-sub-common
  memory: mtk-smi: Add error handle for smi_probe
  memory: mtk-smi: Adjust some code position
  memory: mtk-smi: Rename smi_gen to smi_type
  memory: mtk-smi: Use clk_bulk clock ops
  dt-bindings: memory: mediatek: Add mt8195 smi sub common
  dt-bindings: memory: mediatek: Add mt8195 smi binding

Link: https://lore.kernel.org/r/20211010175836.13302-2-krzysztof.kozlowski@canonical.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-11 12:06:46 +02:00
Krzysztof Kozlowski d611d7ea12 Merge branch 'for-v5.16/renesas-rpc' into mem-ctrl-next 2021-10-10 19:45:00 +02:00
Dongliang Mu 4ed2f3545c memory: fsl_ifc: fix leak of irq and nand_irq in fsl_ifc_ctrl_probe
The error handling code of fsl_ifc_ctrl_probe is problematic. When
fsl_ifc_ctrl_init fails or request_irq of fsl_ifc_ctrl_dev->irq fails,
it forgets to free the irq and nand_irq. Meanwhile, if request_irq of
fsl_ifc_ctrl_dev->nand_irq fails, it will still free nand_irq even if
the request_irq is not successful.

Fix this by refactoring the error handling code.

Fixes: d2ae2e20fb ("driver/memory:Move Freescale IFC driver to a common driver")
Signed-off-by: Dongliang Mu <mudongliangabcd@gmail.com>
Link: https://lore.kernel.org/r/20210925151434.8170-1-mudongliangabcd@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-10-07 20:39:17 +02:00
Kai Song 31b88d85f0 memory: tegra210-emc: replace DEFINE_SIMPLE_ATTRIBUTE with
fix debugfs_simple_attr.cocci warning:
drivers/memory/tegra/tegra210-emc-core.c:1665:0-23: WARNING:tegra210_emc_debug_min_rate_fops
should be defined with DEFINE_DEBUGFS_ATTRIBUTE

Commit 6fc5f1adf5 ("memory: tegra210-emc: replace
DEFINE_SIMPLE_ATTRIBUTE with DEFINE_DEBUGFS_ATTRIBUTE") fixed the same
warning, but didn't fix all matches in this file at once.

Signed-off-by: Kai Song <songkai01@inspur.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20211005043514.9650-1-songkai01@inspur.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-10-07 20:37:33 +02:00
Geert Uytterhoeven 4a26df8e60 memory: renesas-rpc-if: RENESAS_RPCIF should select RESET_CONTROLLER
The Renesas RPC-IF driver calls devm_reset_control_get_exclusive(),
which returns -ENOTSUPP if CONFIG_RESET_CONTROLLER is not enabled.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/e443aa66d146da5646b7ebece8876545b8621063.1633447756.git.geert+renesas@glider.be
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-10-07 20:36:12 +02:00
Yang Yingliang 982ca19a09 memory: tegra186-emc: Fix error return code in tegra186_emc_probe()
Return the error code when command fails.

Fixes: 13324edbe9 ("memory: tegra186-emc: Handle errors in BPMP response")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>
Link: https://lore.kernel.org/r/20210928021545.3774677-1-yangyingliang@huawei.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-10-07 20:32:33 +02:00
Florian Fainelli 13f995ceb4 memory: brcmstb_dpfe: Allow building Broadcom STB DPFE as module
Allow building the Broadcom STB DPFE driver as a module, it is already a
platform driver proper with all of the resource releasing device
managed.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Markus Mayer <mmayer@broadcom.com>
Link: https://lore.kernel.org/r/20210924031459.8911-1-f.fainelli@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-09-30 13:49:01 +02:00
Krzysztof Kozlowski 6b20a5d173 memory: samsung: describe drivers in KConfig
Rephrase the Kconfig option and make it clear it applies only to Samsung
SoC.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20210924133406.112174-1-krzysztof.kozlowski@canonical.com
2021-09-28 12:38:36 +02:00
Andrew Gabbasov 1869023e24 memory: renesas-rpc-if: Avoid unaligned bus access for HyperFlash
HyperFlash devices in Renesas SoCs use 2-bytes addressing, according
to HW manual paragraph 62.3.3 (which officially describes Serial Flash
access, but seems to be applicable to HyperFlash too). And 1-byte bus
read operations to 2-bytes unaligned addresses in external address space
read mode work incorrectly (returns the other byte from the same word).

Function memcpy_fromio(), used by the driver to read data from the bus,
in ARM64 architecture (to which Renesas cores belong) uses 8-bytes
bus accesses for appropriate aligned addresses, and 1-bytes accesses
for other addresses. This results in incorrect data read from HyperFlash
in unaligned cases.

This issue can be reproduced using something like the following commands
(where mtd1 is a parition on Hyperflash storage, defined properly
in a device tree):

[Correct fragment, read from Hyperflash]

    root@rcar-gen3:~# dd if=/dev/mtd1 of=/tmp/zz bs=32 count=1
    root@rcar-gen3:~# hexdump -C /tmp/zz
    00000000  f4 03 00 aa f5 03 01 aa  f6 03 02 aa f7 03 03 aa  |................|
    00000010  00 00 80 d2 40 20 18 d5  00 06 81 d2 a0 18 a6 f2  |....@ ..........|
    00000020

[Incorrect read of the same fragment: see the difference at offsets 8-11]

    root@rcar-gen3:~# dd if=/dev/mtd1 of=/tmp/zz bs=12 count=1
    root@rcar-gen3:~# hexdump -C /tmp/zz
    00000000  f4 03 00 aa f5 03 01 aa  03 03 aa aa              |............|
    0000000c

Fix this issue by creating a local replacement of the copying function,
that performs only properly aligned bus accesses, and is used for reading
from HyperFlash.

Fixes: ca7d8b980b ("memory: add Renesas RPC-IF driver")
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Gabbasov <andrew_gabbasov@mentor.com>
Link: https://lore.kernel.org/r/20210922184830.29147-1-andrew_gabbasov@mentor.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-09-28 12:34:08 +02:00
Wolfram Sang fff53a551d memory: renesas-rpc-if: Correct QSPI data transfer in Manual mode
This patch fixes 2 problems:
[1] The output warning logs and data loss when performing
mount/umount then remount the device with jffs2 format.
[2] The access width of SMWDR[0:1]/SMRDR[0:1] register is wrong.

This is the sample warning logs when performing mount/umount then
remount the device with jffs2 format:
jffs2: jffs2_scan_inode_node(): CRC failed on node at 0x031c51d4:
Read 0x00034e00, calculated 0xadb272a7

The reason for issue [1] is that the writing data seems to
get messed up.
Data is only completed when the number of bytes is divisible by 4.
If you only have 3 bytes of data left to write, 1 garbage byte
is inserted after the end of the write stream.
If you only have 2 bytes of data left to write, 2 bytes of '00'
are added into the write stream.
If you only have 1 byte of data left to write, 2 bytes of '00'
are added into the write stream. 1 garbage byte is inserted after
the end of the write stream.

To solve problem [1], data must be written continuously in serial
and the write stream ends when data is out.

Following HW manual 62.2.15, access to SMWDR0 register should be
in the same size as the transfer size specified in the SPIDE[3:0]
bits in the manual mode enable setting register (SMENR).
Be sure to access from address 0.

So, in 16-bit transfer (SPIDE[3:0]=b'1100), SMWDR0 should be
accessed by 16-bit width.
Similar to SMWDR1, SMDDR0/1 registers.
In current code, SMWDR0 register is accessed by regmap_write()
that only set up to do 32-bit width.

To solve problem [2], data must be written 16-bit or 8-bit when
transferring 1-byte or 2-byte.

Fixes: ca7d8b980b ("memory: add Renesas RPC-IF driver")
Cc: <stable@vger.kernel.org>
Signed-off-by: Duc Nguyen <duc.nguyen.ub@renesas.com>
[wsa: refactored to use regmap only via reg_read/reg_write]
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20210922091007.5516-1-wsa+renesas@sang-engineering.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-09-28 12:32:19 +02:00
Cai Huoqing 1d8e0223bb memory: tegra: Make use of the helper function devm_add_action_or_reset()
Use devm_add_action_or_reset() instead of devm_add_action() to simplify
the error handling.

Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Link: https://lore.kernel.org/r/20210922130002.586-1-caihuoqing@baidu.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-09-24 13:18:47 +02:00
Yong Wu fe6dd2a401 memory: mtk-smi: mt8195: Add initial setting for smi-larb
To improve the performance, We add some initial setting for smi larbs.
there are two part:
1), Each port has the special ostd(outstanding) value in each larb.
2), Two general settings for each larb.
   a. THRT_UPDATE: the value in bits[7:4] of 0x24 is not so good.
   The HW default is 4, and we expect it is 5, thus, add a flag to update
   it. This is only a DE recommendatory value, not a actual issue.
   The register name(THRT_CON) means: throttling control, and the field
   RD_NU_LMT means: Read Non-ultra commands limit.
   This change means update the Read non-ultra command from 4 to 5 here.

   b. SW_FLAG: Set 1 to the FLAG register. this is only for helping
   debug. We could confirm if the larb is reset from this value is 1 or 0.

In some SoC, this setting maybe changed dynamically for some special case
like 4K, and this initial setting is enough in mt8195.

Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Link: https://lore.kernel.org/r/20210914113703.31466-13-yong.wu@mediatek.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-09-22 08:43:09 +02:00
Yong Wu 431e9cab70 memory: mtk-smi: mt8195: Add initial setting for smi-common
To improve the performance, add initial setting for smi-common.
some register use some fix setting(suggested from DE).

Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Link: https://lore.kernel.org/r/20210914113703.31466-12-yong.wu@mediatek.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-09-22 08:43:08 +02:00
Yong Wu cc4f9dcd9c memory: mtk-smi: mt8195: Add smi support
MT8195 has two smi-common, their IP are the same. Only the larbs that
connect with the smi-common are different. thus the bus_sel are different
for the two smi-common.

Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Reviewed-by: Ikjoon Jang <ikjn@chromium.org>
Link: https://lore.kernel.org/r/20210914113703.31466-11-yong.wu@mediatek.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-09-22 08:43:08 +02:00
Yong Wu 912fea8bf8 memory: mtk-smi: Use devm_platform_ioremap_resource
No functional change. Simplify probing code.

Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Reviewed-by: Ikjoon Jang <ikjn@chromium.org>
Link: https://lore.kernel.org/r/20210914113703.31466-10-yong.wu@mediatek.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-09-22 08:43:08 +02:00
Yong Wu 3e4f74e0ea memory: mtk-smi: Add clocks for smi-sub-common
SMI sub common only have one output port. thus it has only one gals
clocks(gals0). then, smi-sub-common require the three clocks(apb/smi/gals0)
in has_gals case.

Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Link: https://lore.kernel.org/r/20210914113703.31466-9-yong.wu@mediatek.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-09-22 08:43:08 +02:00
Yong Wu 4740475770 memory: mtk-smi: Add device link for smi-sub-common
In mt8195, there are some larbs connect with the smi-sub-common, then
connect with smi-common.

Before we create device link between smi-larb with smi-common. If we have
sub-common, we should use device link the smi-larb and smi-sub-common,
then use device link between the smi-sub-common with smi-common. This is
for enabling clock/power automatically.

Move the device link code to a new interface for reusing.

Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Reviewed-by: Ikjoon Jang <ikjn@chromium.org>
Link: https://lore.kernel.org/r/20210914113703.31466-8-yong.wu@mediatek.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-09-22 08:43:08 +02:00
Yong Wu 30b869e77a memory: mtk-smi: Add error handle for smi_probe
Add error handle while component_add fail.

Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Reviewed-by: Ikjoon Jang <ikjn@chromium.org>
Link: https://lore.kernel.org/r/20210914113703.31466-7-yong.wu@mediatek.com
Fixes: 6ce2c05b21 ("memory: mtk-smi: Add device-link between smi-larb and smi-common")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-09-22 08:42:57 +02:00
Yong Wu 534e0ad2ed memory: mtk-smi: Adjust some code position
No functional change. Only move the code position to make the code more
readable.
1. Put the register smi-common above smi-larb. Prepare to add some others
   register setting.
2. Put mtk_smi_larb_unbind around larb_bind.
3. Sort the SoC data alphabetically. and put them in one line as the
   current kernel allow it.

Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Reviewed-by: Ikjoon Jang <ikjn@chromium.org>
Link: https://lore.kernel.org/r/20210914113703.31466-6-yong.wu@mediatek.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-09-22 08:40:10 +02:00
Yong Wu a5c18986f4 memory: mtk-smi: Rename smi_gen to smi_type
Prepare for adding smi sub common. Only rename from smi_gen to smi_type.
No functional change.

About the current "smi_gen", we have gen1/gen2 that stand for the
generation number for HW. I plan to add a new type(sub_common), then the
name "gen" is not proper.

Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Reviewed-by: Ikjoon Jang <ikjn@chromium.org>
Link: https://lore.kernel.org/r/20210914113703.31466-5-yong.wu@mediatek.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-09-22 08:40:10 +02:00
Yong Wu 0e14917c57 memory: mtk-smi: Use clk_bulk clock ops
Use clk_bulk interface instead of the orginal one to simplify the code.

For SMI larbs: Require apb/smi clocks while gals is optional.
For SMI common: Require apb/smi/gals0/gal1 in has_gals case. Otherwise,
                also only require apb/smi, No optional clk here.

About the "has_gals" flag, for smi larbs, the gals clock also may be
optional even this platform support it. thus it always use
*_bulk_get_optional, then the flag has_gals is unnecessary. Remove it.
The smi_common's has_gals still keep it.

Also remove clk fail logs since bulk interface already output fail log.

Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Link: https://lore.kernel.org/r/20210914113703.31466-4-yong.wu@mediatek.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-09-22 08:40:10 +02:00
Mikko Perttunen 13324edbe9 memory: tegra186-emc: Handle errors in BPMP response
The return value from tegra_bpmp_transfer indicates the success or
failure of the IPC transaction with BPMP. If the transaction
succeeded, we also need to check the actual command's result code.
Add code to do this.

Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Link: https://lore.kernel.org/r/20210915085517.1669675-3-mperttunen@nvidia.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-09-20 10:33:28 +02:00
Dmitry Osipenko 77b14c9d05 memory: tegra: Remove interconnect state syncing hack
State syncing works properly now, previously the sync callback was never
invoked. Apparently it was fixed in drivers core, so let's remove the
hack. The state won't be synced until all consumer drivers of devices
that reference memory controller in a device-tree are probed, i.e. keeping
bandwidth at maximum until both display and devfreq drivers are probed.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Link: https://lore.kernel.org/r/20210912183009.6400-1-digetx@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-09-20 10:32:53 +02:00
Jing Yangyang 6fc5f1adf5 memory: tegra210-emc: replace DEFINE_SIMPLE_ATTRIBUTE with DEFINE_DEBUGFS_ATTRIBUTE
Fix the following coccicheck warning:
  drivers/memory/tegra/tegra210-emc-core.c:1665:0-23:WARNING
    tegra210_emc_debug_min_rate_fops should be defined  with DEFINE_DEBUGFS_ATTRIBUTE

Signed-off-by: Jing Yangyang <jing.yangyang@zte.com.cn>
Link: https://lore.kernel.org/r/20210825063739.70260-1-deng.changcheng@zte.com.cn
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-09-15 09:33:58 +02:00
jing yangyang e12bc3540a memory: tegra30-emc: replace DEFINE_SIMPLE_ATTRIBUTE with DEFINE_DEBUGFS_ATTRIBUTE
Fix the following coccicheck warning:
  drivers/memory/tegra/tegra30-emc.c:1322:0-23:WARNING:
    tegra_emc_debug_max_rate_fops should be defined with DEFINE_DEBUGFS_ATTRIBUTE

Signed-off-by: jing yangyang <jing.yangyang@zte.com.cn>
Link: https://lore.kernel.org/r/20210821035223.28282-1-jing.yangyang@zte.com.cn
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-09-15 09:33:05 +02:00
Colin Ian King d71b90e363 memory: tegra: make the array list static const, makes object smaller
Don't populate the array list on the stack but instead it
static const. Makes the object code smaller by 110 bytes:

Before:
   text    data     bss     dec     hex filename
  37713   21992      64   59769    e979 .../tegra/tegra210-emc-cc-r21021.o

After:
   text    data     bss     dec     hex filename
  37539   22056      64   59659    e90b .../tegra/tegra210-emc-cc-r21021.o

(gcc version 10.3.0)

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20210819133155.10441-1-colin.king@canonical.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-09-15 09:31:19 +02:00
Krzysztof Kozlowski c28b584deb Merge branch 'for-v5.15/omap-gpmc' into for-next 2021-07-29 09:03:32 +02:00
Tony Lindgren 77ed5e9dec memory: omap-gpmc: Drop custom PM calls with cpu_pm notifier
We can now switch over to using cpu_pm instead of custom calls and make
the context save and restore functions static.

Let's also move the save and restore functions to avoid adding forward
declarations for them. And get rid of the static data pointer while at it.

Cc: Roger Quadros <rogerq@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Link: https://lore.kernel.org/r/20210727101034.32148-2-tony@atomide.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-07-29 09:02:27 +02:00
Tony Lindgren 0f78964b52 memory: omap-gpmc: Clear GPMC_CS_CONFIG7 register on restore if unused
We want to clear any unused GPMC_CS_CONFIG7 register on restore to
ensure unused chip selects are not enabled.

Cc: Roger Quadros <rogerq@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Link: https://lore.kernel.org/r/20210727101034.32148-1-tony@atomide.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-07-29 09:02:27 +02:00
Arnd Bergmann eaf89f1cd3 memory: tegra: fix unused-function warning
The tegra186_mc_client_sid_override() is only called from
an #ifdef block:

drivers/memory/tegra/tegra186.c:74:13: error: 'tegra186_mc_client_sid_override' defined but not used [-Werror=unused-function]
   74 | static void tegra186_mc_client_sid_override(struct tegra_mc *mc,
      |             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Add another #ifdef around the called function.

Fixes: 393d66fd2c ("memory: tegra: Implement SID override programming")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Link: https://lore.kernel.org/r/20210722090748.1157470-1-arnd@kernel.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-07-23 08:25:34 +02:00
Olof Johansson 1eb5f83ee9 Memory controller drivers for v5.14 - Tegra SoC, part two
Second set of changes for Tegra SoC memory controller drivers,
 containing patchset from Thierry Reding:
 
 "The goal here is to avoid early identity mappings altogether and instead
 postpone the need for the identity mappings to when devices are attached
 to the SMMU. This works by making the SMMU driver coordinate with the
 memory controller driver on when to start enforcing SMMU translations.
 This makes Tegra behave in a more standard way and pushes the code to
 deal with the Tegra-specific programming into the NVIDIA SMMU
 implementation."
 
 This pulls a dependency from Will Deacon (ARM SMMU driver) and contains
 further ARM SMMU driver patches to resolve complex dependencies between
 different patchsets.  The pull from Will contains only one patch
 ("Implement ->probe_finalize()").  Further work in Will's tree might
 depend on this patch, therefore patch was applied there.
 
 On the other hand, this ("Implement ->probe_finalize()") patch is also a
 dependency for ARM SMMU driver changes for Tegra.  These changes,
 bringing seamless transition from the firmware framebuffer to the OS
 framebuffer, depend on earlier Tegra memory controller driver patches.
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Merge tag 'memory-controller-drv-tegra-5.14-2' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl into arm/drivers

Memory controller drivers for v5.14 - Tegra SoC, part two

Second set of changes for Tegra SoC memory controller drivers,
containing patchset from Thierry Reding:

"The goal here is to avoid early identity mappings altogether and instead
postpone the need for the identity mappings to when devices are attached
to the SMMU. This works by making the SMMU driver coordinate with the
memory controller driver on when to start enforcing SMMU translations.
This makes Tegra behave in a more standard way and pushes the code to
deal with the Tegra-specific programming into the NVIDIA SMMU
implementation."

This pulls a dependency from Will Deacon (ARM SMMU driver) and contains
further ARM SMMU driver patches to resolve complex dependencies between
different patchsets.  The pull from Will contains only one patch
("Implement ->probe_finalize()").  Further work in Will's tree might
depend on this patch, therefore patch was applied there.

On the other hand, this ("Implement ->probe_finalize()") patch is also a
dependency for ARM SMMU driver changes for Tegra.  These changes,
bringing seamless transition from the firmware framebuffer to the OS
framebuffer, depend on earlier Tegra memory controller driver patches.

* tag 'memory-controller-drv-tegra-5.14-2' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl: (37 commits)
  iommu/arm-smmu: Use Tegra implementation on Tegra186
  iommu/arm-smmu: tegra: Implement SID override programming
  iommu/arm-smmu: tegra: Detect number of instances at runtime
  dt-bindings: arm-smmu: Add Tegra186 compatible string
  memory: tegra: Delete dead debugfs checking code
  iommu/arm-smmu: Implement ->probe_finalize()
  memory: tegra: Implement SID override programming
  memory: tegra: Split Tegra194 data into separate file
  memory: tegra: Add memory client IDs to tables
  memory: tegra: Unify drivers
  memory: tegra: Only initialize reset controller if available
  memory: tegra: Make IRQ support opitonal
  memory: tegra: Parameterize interrupt handler
  memory: tegra: Extract setup code into callback
  memory: tegra: Make per-SoC setup more generic
  memory: tegra: Push suspend/resume into SoC drivers
  memory: tegra: Introduce struct tegra_mc_ops
  memory: tegra: Unify struct tegra_mc across SoC generations
  memory: tegra: Consolidate register fields
  memory: tegra30-emc: Use devm_tegra_core_dev_init_opp_table()
  ...

Link: https://lore.kernel.org/r/20210614195200.21657-1-krzysztof.kozlowski@canonical.com
Signed-off-by: Olof Johansson <olof@lixom.net>
2021-06-16 17:36:30 -07:00
Olof Johansson 361aa4be70 Memory controller drivers for v5.14 - PL353
Bigger work around ARM Primecell PL35x SMC memory controller driver by
 Miquel Raynal built on previous series from Naga Sureshkumar Relli.
 
 This includes bindings cleanup and correction, converting these to
 dtschema and several cleanyps in pl353-smc driver.
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Merge tag 'memory-controller-drv-pl353-5.14' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl into arm/drivers

Memory controller drivers for v5.14 - PL353

Bigger work around ARM Primecell PL35x SMC memory controller driver by
Miquel Raynal built on previous series from Naga Sureshkumar Relli.

This includes bindings cleanup and correction, converting these to
dtschema and several cleanyps in pl353-smc driver.

* tag 'memory-controller-drv-pl353-5.14' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl:
  dt-binding: memory: pl353-smc: Convert to yaml
  MAINTAINERS: Add PL353 SMC entry
  memory: pl353-smc: Declare variables following a reverse christmas tree order
  memory: pl353-smc: Avoid useless acronyms in descriptions
  memory: pl353-smc: Let lower level controller drivers handle inits
  memory: pl353-smc: Rename goto labels
  memory: pl353-smc: Fix style
  dt-binding: memory: pl353-smc: Fix the NAND controller node in the example
  dt-binding: memory: pl353-smc: Drop unsupported nodes from the example
  dt-binding: memory: pl353-smc: Fix the example syntax and style
  dt-binding: memory: pl353-smc: Describe the child reg property
  dt-binding: memory: pl353-smc: Drop the partitioning section
  dt-binding: memory: pl353-smc: Document the range property
  dt-binding: memory: pl353-smc: Rephrase the binding

Link: https://lore.kernel.org/r/20210611140659.61980-2-krzysztof.kozlowski@canonical.com
Signed-off-by: Olof Johansson <olof@lixom.net>
2021-06-12 08:53:06 -07:00
Miquel Raynal df6c2646d0 memory: pl353-smc: Declare variables following a reverse christmas tree order
This is a purely cosmetic change.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/r/20210610082040.2075611-15-miquel.raynal@bootlin.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-06-10 17:15:16 +02:00
Miquel Raynal 9d7bb4493a memory: pl353-smc: Avoid useless acronyms in descriptions
APER does not mean anything, while it seems legitimate to call this
clock the AXI peripheral clock.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/r/20210610082040.2075611-14-miquel.raynal@bootlin.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-06-10 17:15:16 +02:00
Miquel Raynal 493db2b05d memory: pl353-smc: Let lower level controller drivers handle inits
There is no point in having all these definitions at the SMC bus level,
these are extremely tight to the NAND controller driver implementation,
are not particularly generic, imply more boilerplate than needed, do
not really follow the device model by receiving no argument and some of
them are actually buggy.

Let's get rid of these right now as there is no current user and keep
this driver at a simple level: only the SMC bare initializations.

The NAND controller driver which I am going to introduce will take care
of redefining properly all these helpers and using them directly.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/r/20210610082040.2075611-13-miquel.raynal@bootlin.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-06-10 17:15:16 +02:00
Miquel Raynal edd84c4256 memory: pl353-smc: Rename goto labels
A goto label is better named

        do_something:

than

        out_something_to_do:

Use the former wording and really describe what the jump involves.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/r/20210610082040.2075611-12-miquel.raynal@bootlin.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-06-10 17:15:16 +02:00
Miquel Raynal 62584c870c memory: pl353-smc: Fix style
Use proper spacing.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/r/20210610082040.2075611-11-miquel.raynal@bootlin.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-06-10 17:15:15 +02:00
Krzysztof Kozlowski 729a611e6f memory: emif: remove unused frequency and voltage notifiers
The driver defined several functions related to handling of frequency
and voltage changes:
 - freq_post_notify_handling
 - freq_pre_notify_handling
 - volt_notify_handling

All these are static, not used inside or outside of driver, and marked
as unused with comment: "TODO: voltage notify handling should be hooked
up to regulator framework as soon as the necessary support is available
in mainline kernel. This function is un-used right now.".

These have been added with commit a93de288aa ("memory: emif: handle
frequency and voltage change events") in 2012 and are unused since then.
Additionally mentioned regulator and clock hooking did not happen since
then.  If it did not happen for nine years, let's assume it will not
happen suddenly now.

Remove all unused functions which also allows removal of "t_ck" static
variable "t_ck" and "addressing" member of private structure.

No functionality is lost.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20210527154101.80556-1-krzysztof.kozlowski@canonical.com
2021-06-10 09:24:46 +02:00
Krzysztof Kozlowski 8e0d09b123 memory: fsl_ifc: fix leak of private memory on probe failure
On probe error the driver should free the memory allocated for private
structure.  Fix this by using resource-managed allocation.

Fixes: a20cbdeffc ("powerpc/fsl: Add support for Integrated Flash Controller")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20210527154322.81253-2-krzysztof.kozlowski@canonical.com
2021-06-10 09:24:37 +02:00
Krzysztof Kozlowski 3b132ab67f memory: fsl_ifc: fix leak of IO mapping on probe failure
On probe error the driver should unmap the IO memory.  Smatch reports:

  drivers/memory/fsl_ifc.c:298 fsl_ifc_ctrl_probe() warn: 'fsl_ifc_ctrl_dev->gregs' not released on lines: 298.

Fixes: a20cbdeffc ("powerpc/fsl: Add support for Integrated Flash Controller")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20210527154322.81253-1-krzysztof.kozlowski@canonical.com
2021-06-10 09:24:16 +02:00
Dan Carpenter c7c6570326 memory: tegra: Delete dead debugfs checking code
The debugfs_create_dir() function does not return NULL, it returns error
pointers.  But in normal situations like this where the caller is not
dereferencing "emc->debugfs.root" then we are not supposed to check the
return.  So instead of fixing these checks, we should delete them.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/YMCQDTSyG8UuQoh0@mwanda
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-06-10 09:18:15 +02:00
Thierry Reding 393d66fd2c memory: tegra: Implement SID override programming
Instead of programming all SID overrides during early boot, perform the
operation on-demand after the SMMU translations have been set up for a
device. This reuses data from device tree to match memory clients for a
device and programs the SID specified in device tree, which corresponds
to the SID used for the SMMU context banks for the device.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20210603164632.1000458-2-thierry.reding@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-06-03 21:50:43 +02:00
Thierry Reding 8fd9f632ba memory: tegra: Split Tegra194 data into separate file
Keep the directory structure consistent by splitting the Tegra194 data
into a separate file.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20210602163302.120041-13-thierry.reding@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-06-03 21:49:41 +02:00
Thierry Reding 7191b623a2 memory: tegra: Add memory client IDs to tables
The memory client IDs will subsequently be used to program override SIDs
for the given clients depending on the device tree configuration.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20210602163302.120041-12-thierry.reding@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-06-03 21:49:41 +02:00
Thierry Reding 7355c7b9ae memory: tegra: Unify drivers
The Tegra210 (and earlier) driver now supports all the functionality
that the Tegra186 (and later) driver does, so they can be unified.

Note that previously the Tegra186 (and later) driver could be unloaded,
even if that was perhaps not very useful. Older chips don't support that
yet, but once they do this code can be reenabled.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20210602163302.120041-11-thierry.reding@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-06-03 21:49:41 +02:00
Thierry Reding 0de93c6985 memory: tegra: Only initialize reset controller if available
The memory controller hot resets are implemented in the BPMP on Tegra186
and later, so there's no need to provide an implementation via the
memory controller driver. Conditionally register the reset controller
only if needed.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20210602163302.120041-10-thierry.reding@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-06-03 21:49:41 +02:00
Thierry Reding e474b3a15d memory: tegra: Make IRQ support opitonal
Make IRQ support optional to help unify the Tegra186 memory controller
driver with this one.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20210602163302.120041-9-thierry.reding@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-06-03 21:49:41 +02:00
Thierry Reding 1079a66bc3 memory: tegra: Parameterize interrupt handler
Tegra20 requires a slightly different interrupt handler than Tegra30 and
later, so parameterize the handler, so that each SoC implementation can
provide its own.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20210602163302.120041-8-thierry.reding@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-06-03 21:49:41 +02:00
Thierry Reding ddeceab0a9 memory: tegra: Extract setup code into callback
Separate the setup code for Tegra30 and later into a ->setup() callback
and set it for all applicable chips.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20210602163302.120041-7-thierry.reding@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-06-03 21:49:41 +02:00
Thierry Reding c64738e949 memory: tegra: Make per-SoC setup more generic
The current per-SoC setup code runs at a fairly arbitrary point during
probe, thereby making it less flexible for other SoC generations. Move
the call around slightly (after only the very basic, common setup that
applies to all SoC generations has been performed), which will allow
it to be used for other implementations.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20210602163302.120041-6-thierry.reding@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-06-03 21:49:41 +02:00
Thierry Reding 5c9016f0a8 memory: tegra: Push suspend/resume into SoC drivers
Continuing the scheme of unification, push suspend/resume callbacks into
per-SoC driver so that they can be properly parameterized.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20210602163302.120041-5-thierry.reding@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-06-03 21:49:41 +02:00
Thierry Reding 6cc884c1c7 memory: tegra: Introduce struct tegra_mc_ops
Subsequent patches will introduce further callbacks, so create a new
struct tegra_mc_ops to collect all of them in a single place. Move the
existing ->init() callback into the new structure.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20210602163302.120041-4-thierry.reding@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-06-03 21:49:40 +02:00
Thierry Reding e899993845 memory: tegra: Unify struct tegra_mc across SoC generations
As another step towards unifying both the Tegra210 (and earlier) and
Tegra186 (and later) memory controller drivers, unify the structures
that are used to represent them.

Note that this comes at a slight space penalty since some fields are
not used on all generations, but the benefits of unifying the driver
outweigh the downsides.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20210602163302.120041-3-thierry.reding@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-06-03 21:49:40 +02:00
Thierry Reding 4f1ac76e5e memory: tegra: Consolidate register fields
Subsequent patches will add more register fields to the tegra_mc_client
structure, so consolidate all register field definitions into a common
sub-structure for coherency.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20210602163302.120041-2-thierry.reding@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-06-03 21:49:40 +02:00
Dmitry Osipenko b4f74b59b9 memory: tegra30-emc: Use devm_tegra_core_dev_init_opp_table()
Use common devm_tegra_core_dev_init_opp_table() helper for the OPP table
initialization.

Tested-by: Peter Geis <pgwipeout@gmail.com> # Ouya T30
Tested-by: Matt Merhar <mattmerhar@protonmail.com> # Ouya T30
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2021-06-03 14:24:03 +02:00
Dmitry Osipenko f8c9670fff memory: tegra20-emc: Use devm_tegra_core_dev_init_opp_table()
Use common devm_tegra_core_dev_init_opp_table() helper for the OPP table
initialization.

Tested-by: Paul Fertser <fercerpav@gmail.com> # PAZ00 T20
Tested-by: Nicolas Chauvet <kwizart@gmail.com> # PAZ00 T20
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2021-06-03 14:24:03 +02:00
Dmitry Osipenko 56ebc9b0d7 memory: tegra: Enable compile testing for all drivers
Enable compile testing for all Tegra memory drivers.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2021-06-03 14:24:03 +02:00
Dmitry Osipenko e0740fb869 memory: tegra: Fix compilation warnings on 64bit platforms
Fix compilation warning on 64bit platforms caused by implicit promotion
of 32bit signed integer to a 64bit unsigned value which happens after
enabling compile-testing of the EMC drivers.

Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
2021-06-01 13:42:53 +02:00
Zhen Lei 76e5624f3f memory: pl353: Fix error return code in pl353_smc_probe()
When no child nodes are matched, an appropriate error code -ENODEV should
be returned. However, we currently do not explicitly assign this error
code to 'err'. As a result, 0 was incorrectly returned.

Fixes: fee10bd226 ("memory: pl353: Add driver for arm pl353 static memory controller")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Link: https://lore.kernel.org/r/20210515040004.6983-1-thunder.leizhen@huawei.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-05-17 07:21:32 -04:00
Krzysztof Kozlowski 907c5bbb51 memory: atmel-ebi: add missing of_node_put for loop iteration
Early exits from for_each_available_child_of_node() should decrement the
node reference counter.  Reported by Coccinelle:

  drivers/memory/atmel-ebi.c:593:1-33: WARNING:
    Function "for_each_available_child_of_node" should have of_node_put() before return around line 604.

Fixes: 6a4ec4cd08 ("memory: add Atmel EBI (External Bus Interface) driver")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20210423101815.119341-2-krzysztof.kozlowski@canonical.com
2021-05-11 08:49:18 -04:00
Krzysztof Kozlowski 2f9dc6a357 memory: stm32-fmc2-ebi: add missing of_node_put for loop iteration
Early exits from for_each_available_child_of_node() should decrement the
node reference counter.  Reported by Coccinelle:

  drivers/memory/stm32-fmc2-ebi.c:1046:1-33: WARNING:
    Function "for_each_available_child_of_node" should have of_node_put() before return around line 1051.

Fixes: 66b8173a19 ("memory: stm32-fmc2-ebi: add STM32 FMC2 EBI controller driver")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Christophe Kerello <christophe.kerello@foss.st.com>
Link: https://lore.kernel.org/r/20210423101815.119341-1-krzysztof.kozlowski@canonical.com
2021-05-11 08:49:18 -04:00
Masahiro Yamada 9009b45581 .gitignore: prefix local generated files with a slash
The pattern prefixed with '/' matches files in the same directory,
but not ones in sub-directories.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Acked-by: Miguel Ojeda <ojeda@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Andra Paraschiv <andraprs@amazon.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Gabriel Krisman Bertazi <krisman@collabora.com>
2021-05-02 00:43:35 +09:00
Linus Torvalds 5469f160e6 Power management updates for 5.13-rc1
- Add idle states table for IceLake-D to the intel_idle driver and
    update IceLake-X C6 data in it (Artem Bityutskiy).
 
  - Fix the C7 idle state on Tegra114 in the tegra cpuidle driver and
    drop the unused do_idle() firmware call from it (Dmitry Osipenko).
 
  - Fix cpuidle-qcom-spm Kconfig entry (He Ying).
 
  - Fix handling of possible negative tick_nohz_get_next_hrtimer()
    return values of in cpuidle governors (Rafael Wysocki).
 
  - Add support for frequency-invariance to the ACPI CPPC cpufreq
    driver and update the frequency-invariance engine (FIE) to use it
    as needed (Viresh Kumar).
 
  - Simplify the default delay_us setting in the ACPI CPPC cpufreq
    driver (Tom Saeger).
 
  - Clean up frequency-related computations in the intel_pstate
    cpufreq driver (Rafael Wysocki).
 
  - Fix TBG parent setting for load levels in the armada-37xx
    cpufreq driver and drop the CPU PM clock .set_parent method for
    armada-37xx (Marek Behún).
 
  - Fix multiple issues in the armada-37xx cpufreq driver (Pali Rohár).
 
  - Fix handling of dev_pm_opp_of_cpumask_add_table() return values
    in cpufreq-dt to take the -EPROBE_DEFER one into acconut as
    appropriate (Quanyang Wang).
 
  - Fix format string in ia64-acpi-cpufreq (Sergei Trofimovich).
 
  - Drop the unused for_each_policy() macro from cpufreq (Shaokun
    Zhang).
 
  - Simplify computations in the schedutil cpufreq governor to avoid
    unnecessary overhead (Yue Hu).
 
  - Fix typos in the s5pv210 cpufreq driver (Bhaskar Chowdhury).
 
  - Fix cpufreq documentation links in Kconfig (Alexander Monakov).
 
  - Fix PCI device power state handling in pci_enable_device_flags()
    to avoid issuse in some cases when the device depends on an ACPI
    power resource (Rafael Wysocki).
 
  - Add missing documentation of pm_runtime_resume_and_get() (Alan
    Stern).
 
  - Add missing static inline stub for pm_runtime_has_no_callbacks()
    to pm_runtime.h and drop the unused try_to_freeze_nowarn()
    definition (YueHaibing).
 
  - Drop duplicate struct device declaration from pm.h and fix a
    structure type declaration in intel_rapl.h (Wan Jiabing).
 
  - Use dev_set_name() instead of an open-coded equivalent of it in
    the wakeup sources code and drop a redundant local variable
    initialization from it (Andy Shevchenko, Colin Ian King).
 
  - Use crc32 instead of md5 for e820 memory map integrity check
    during resume from hibernation on x86 (Chris von Recklinghausen).
 
  - Fix typos in comments in the system-wide and hibernation support
    code (Lu Jialin).
 
  - Modify the generic power domains (genpd) code to avoid resuming
    devices in the "prepare" phase of system-wide suspend and
    hibernation (Ulf Hansson).
 
  - Add Hygon Fam18h RAPL support to the intel_rapl power capping
    driver (Pu Wen).
 
  - Add MAINTAINERS entry for the dynamic thermal power management
    (DTPM) code (Daniel Lezcano).
 
  - Add devm variants of operating performance points (OPP) API
    functions and switch over some users of the OPP framework to
    the new resource-managed API (Yangtao Li and Dmitry Osipenko).
 
  - Update devfreq core:
 
    * Register devfreq devices as cooling devices on demand (Daniel
      Lezcano).
 
    * Add missing unlock opeation in devfreq_add_device() (Lukasz
      Luba).
 
    * Use the next frequency as resume_freq instead of the previous
      frequency when using the opp-suspend property (Dong Aisheng).
 
    * Check get_dev_status in devfreq_update_stats() (Dong Aisheng).
 
    * Fix set_freq path for the userspace governor in Kconfig (Dong
      Aisheng).
 
    * Remove invalid description of get_target_freq() (Dong Aisheng).
 
  - Update devfreq drivers:
 
    * imx8m-ddrc: Remove imx8m_ddrc_get_dev_status() and unneeded
      of_match_ptr() (Dong Aisheng, Fabio Estevam).
 
    * rk3399_dmc: dt-bindings: Add rockchip,pmu phandle and drop
      references to undefined symbols (Enric Balletbo i Serra, Gaël
      PORTAY).
 
    * rk3399_dmc: Use dev_err_probe() to simplify the code (Krzysztof
      Kozlowski).
 
    * imx-bus: Remove unneeded of_match_ptr() (Fabio Estevam).
 
  - Fix kernel-doc warnings in three places (Pierre-Louis Bossart).
 
  - Fix typo in the pm-graph utility code (Ricardo Ribalda).
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Merge tag 'pm-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management updates from Rafael Wysocki:
 "These add some new hardware support (for example, IceLake-D idle
  states in intel_idle), fix some issues (for example, the handling of
  negative "sleep length" values in cpuidle governors), add new
  functionality to the existing drivers (for example, scale-invariance
  support in the ACPI CPPC cpufreq driver) and clean up code all over.

  Specifics:

   - Add idle states table for IceLake-D to the intel_idle driver and
     update IceLake-X C6 data in it (Artem Bityutskiy).

   - Fix the C7 idle state on Tegra114 in the tegra cpuidle driver and
     drop the unused do_idle() firmware call from it (Dmitry Osipenko).

   - Fix cpuidle-qcom-spm Kconfig entry (He Ying).

   - Fix handling of possible negative tick_nohz_get_next_hrtimer()
     return values of in cpuidle governors (Rafael Wysocki).

   - Add support for frequency-invariance to the ACPI CPPC cpufreq
     driver and update the frequency-invariance engine (FIE) to use it
     as needed (Viresh Kumar).

   - Simplify the default delay_us setting in the ACPI CPPC cpufreq
     driver (Tom Saeger).

   - Clean up frequency-related computations in the intel_pstate cpufreq
     driver (Rafael Wysocki).

   - Fix TBG parent setting for load levels in the armada-37xx cpufreq
     driver and drop the CPU PM clock .set_parent method for armada-37xx
     (Marek Behún).

   - Fix multiple issues in the armada-37xx cpufreq driver (Pali Rohár).

   - Fix handling of dev_pm_opp_of_cpumask_add_table() return values in
     cpufreq-dt to take the -EPROBE_DEFER one into acconut as
     appropriate (Quanyang Wang).

   - Fix format string in ia64-acpi-cpufreq (Sergei Trofimovich).

   - Drop the unused for_each_policy() macro from cpufreq (Shaokun
     Zhang).

   - Simplify computations in the schedutil cpufreq governor to avoid
     unnecessary overhead (Yue Hu).

   - Fix typos in the s5pv210 cpufreq driver (Bhaskar Chowdhury).

   - Fix cpufreq documentation links in Kconfig (Alexander Monakov).

   - Fix PCI device power state handling in pci_enable_device_flags() to
     avoid issuse in some cases when the device depends on an ACPI power
     resource (Rafael Wysocki).

   - Add missing documentation of pm_runtime_resume_and_get() (Alan
     Stern).

   - Add missing static inline stub for pm_runtime_has_no_callbacks() to
     pm_runtime.h and drop the unused try_to_freeze_nowarn() definition
     (YueHaibing).

   - Drop duplicate struct device declaration from pm.h and fix a
     structure type declaration in intel_rapl.h (Wan Jiabing).

   - Use dev_set_name() instead of an open-coded equivalent of it in the
     wakeup sources code and drop a redundant local variable
     initialization from it (Andy Shevchenko, Colin Ian King).

   - Use crc32 instead of md5 for e820 memory map integrity check during
     resume from hibernation on x86 (Chris von Recklinghausen).

   - Fix typos in comments in the system-wide and hibernation support
     code (Lu Jialin).

   - Modify the generic power domains (genpd) code to avoid resuming
     devices in the "prepare" phase of system-wide suspend and
     hibernation (Ulf Hansson).

   - Add Hygon Fam18h RAPL support to the intel_rapl power capping
     driver (Pu Wen).

   - Add MAINTAINERS entry for the dynamic thermal power management
     (DTPM) code (Daniel Lezcano).

   - Add devm variants of operating performance points (OPP) API
     functions and switch over some users of the OPP framework to the
     new resource-managed API (Yangtao Li and Dmitry Osipenko).

   - Update devfreq core:

      * Register devfreq devices as cooling devices on demand (Daniel
        Lezcano).

      * Add missing unlock opeation in devfreq_add_device() (Lukasz
        Luba).

      * Use the next frequency as resume_freq instead of the previous
        frequency when using the opp-suspend property (Dong Aisheng).

      * Check get_dev_status in devfreq_update_stats() (Dong Aisheng).

      * Fix set_freq path for the userspace governor in Kconfig (Dong
        Aisheng).

      * Remove invalid description of get_target_freq() (Dong Aisheng).

   - Update devfreq drivers:

      * imx8m-ddrc: Remove imx8m_ddrc_get_dev_status() and unneeded
        of_match_ptr() (Dong Aisheng, Fabio Estevam).

      * rk3399_dmc: dt-bindings: Add rockchip,pmu phandle and drop
        references to undefined symbols (Enric Balletbo i Serra, Gaël
        PORTAY).

      * rk3399_dmc: Use dev_err_probe() to simplify the code (Krzysztof
        Kozlowski).

      * imx-bus: Remove unneeded of_match_ptr() (Fabio Estevam).

   - Fix kernel-doc warnings in three places (Pierre-Louis Bossart).

   - Fix typo in the pm-graph utility code (Ricardo Ribalda)"

* tag 'pm-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (74 commits)
  PM: wakeup: remove redundant assignment to variable retval
  PM: hibernate: x86: Use crc32 instead of md5 for hibernation e820 integrity check
  cpufreq: Kconfig: fix documentation links
  PM: wakeup: use dev_set_name() directly
  PM: runtime: Add documentation for pm_runtime_resume_and_get()
  cpufreq: intel_pstate: Simplify intel_pstate_update_perf_limits()
  cpufreq: armada-37xx: Fix module unloading
  cpufreq: armada-37xx: Remove cur_frequency variable
  cpufreq: armada-37xx: Fix determining base CPU frequency
  cpufreq: armada-37xx: Fix driver cleanup when registration failed
  clk: mvebu: armada-37xx-periph: Fix workaround for switching from L1 to L0
  clk: mvebu: armada-37xx-periph: Fix switching CPU freq from 250 Mhz to 1 GHz
  cpufreq: armada-37xx: Fix the AVS value for load L1
  clk: mvebu: armada-37xx-periph: remove .set_parent method for CPU PM clock
  cpufreq: armada-37xx: Fix setting TBG parent for load levels
  cpuidle: Fix ARM_QCOM_SPM_CPUIDLE configuration
  cpuidle: tegra: Remove do_idle firmware call
  cpuidle: tegra: Fix C7 idling state on Tegra114
  PM: sleep: fix typos in comments
  cpufreq: Remove unused for_each_policy macro
  ...
2021-04-26 15:10:25 -07:00
Arnd Bergmann 8c0bd213de Memory controller drivers for v5.13, part two
1. Renesas RPC: fix possible NULL pointer.
 2. Exynos5422 DMC: add proper error checking for clk_prepare.
 3. Mediatek SMI: use device-links instead of explicit PM runtime calls.
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Merge tag 'memory-controller-drv-5.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl into arm/drivers

Memory controller drivers for v5.13, part two

1. Renesas RPC: fix possible NULL pointer.
2. Exynos5422 DMC: add proper error checking for clk_prepare.
3. Mediatek SMI: use device-links instead of explicit PM runtime calls.

* tag 'memory-controller-drv-5.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl:
  memory: mtk-smi: Add device-link between smi-larb and smi-common
  memory: samsung: exynos5422-dmc: handle clk_set_parent() failure
  memory: renesas-rpc-if: fix possible NULL pointer dereference of resource

Link: https://lore.kernel.org/r/20210415065514.7385-1-krzysztof.kozlowski@canonical.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-04-19 16:32:34 +02:00
Yong Wu 6ce2c05b21 memory: mtk-smi: Add device-link between smi-larb and smi-common
Normally, If the smi-larb HW need work, we should enable the smi-common
HW power and clock firstly.
This patch adds device-link between the smi-larb dev and the smi-common
dev. then If pm_runtime_get_sync(smi-larb-dev), the pm_runtime_get_sync
(smi-common-dev) will be called automatically.

Also, Add DL_FLAG_STATELESS to avoid the smi-common clocks be gated when
probe.

CC: Matthias Brugger <matthias.bgg@gmail.com>
Suggested-by: Tomasz Figa <tfiga@chromium.org>
Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20210410091128.31823-5-yong.wu@mediatek.com
2021-04-13 16:56:31 +02:00
Krzysztof Kozlowski 132c17c3ff memory: samsung: exynos5422-dmc: handle clk_set_parent() failure
clk_set_parent() can fail and ignoring such case could lead to invalid
clock setup for given frequency.

Addresses-Coverity: Unchecked return value
Fixes: 6e7674c3c6 ("memory: Add DMC driver for Exynos5422")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Link: https://lore.kernel.org/r/20210407154535.70756-1-krzysztof.kozlowski@canonical.com
2021-04-13 16:55:41 +02:00
Krzysztof Kozlowski 59e27d7c94 memory: renesas-rpc-if: fix possible NULL pointer dereference of resource
The platform_get_resource_byname() can return NULL which would be
immediately dereferenced by resource_size().  Instead dereference it
after validating the resource.

Addresses-Coverity: Dereference null return value
Fixes: ca7d8b980b ("memory: add Renesas RPC-IF driver")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20210407154357.70200-1-krzysztof.kozlowski@canonical.com
2021-04-13 16:55:02 +02:00
Arnd Bergmann 0a8e73301d Memory controller drivers for v5.13 - Tegra SoC
1. Few cleanups.
 2. Add debug statistics to Tegra20 memory controller.
 3. Update bindings and convert to dtschema.  This update is not
    backwards compatible (ABI break) however the broken part was added
    recently (v5.11) and there are no users of it yet.
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Merge tag 'memory-controller-drv-tegra-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl into arm/drivers

Memory controller drivers for v5.13 - Tegra SoC

1. Few cleanups.
2. Add debug statistics to Tegra20 memory controller.
3. Update bindings and convert to dtschema.  This update is not
   backwards compatible (ABI break) however the broken part was added
   recently (v5.11) and there are no users of it yet.

* tag 'memory-controller-drv-tegra-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl:
  dt-bindings: memory: tegra20: mc: Convert to schema
  dt-bindings: memory: tegra124: emc: Replace core regulator with power domain
  dt-bindings: memory: tegra30: emc: Replace core regulator with power domain
  dt-bindings: memory: tegra20: emc: Replace core regulator with power domain
  memory: tegra: Print out info-level once per driver probe
  memory: tegra20: Protect debug code with a lock
  memory: tegra20: Correct comment to MC_STAT registers writes
  memory: tegra20: Add debug statistics
  memory: tegra: replace DEFINE_SIMPLE_ATTRIBUTE with DEFINE_DEBUGFS_ATTRIBUTE

Link: https://lore.kernel.org/r/20210407161333.73013-2-krzysztof.kozlowski@canonical.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-04-08 17:47:49 +02:00
gexueyuan 25dcca7fed memory: pl353: fix mask of ECC page_size config register
The mask for page size of ECC Configuration Register should be 0x3,
according to  the datasheet of PL353 smc.

Fixes: fee10bd226 ("memory: pl353: Add driver for arm pl353 static memory controller")
Signed-off-by: gexueyuan <gexueyuan@gmail.com>
Link: https://lore.kernel.org/r/20210331031056.5326-1-gexueyuan@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-04-05 16:15:58 +02:00
Dmitry Osipenko f012ade8aa memory: tegra: Print out info-level once per driver probe
Probing of EMC drivers may be deferred and in this case we get duplicated
info messages during kernel boot. Use dev_info_once() helper to silence
the duplicated messages.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Link: https://lore.kernel.org/r/20210330230445.26619-7-digetx@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-04-01 19:58:22 +02:00
Dmitry Osipenko 289471984f memory: tegra20: Protect debug code with a lock
Simultaneous accesses to MC_STAT h/w shouldn't be allowed since one
collection process stomps on another. There is no good reason for
polling stats in parallel in practice, nevertheless let's add a
protection lock, just for consistency.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Link: https://lore.kernel.org/r/20210323210446.24867-2-digetx@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-04-01 19:58:22 +02:00
Dmitry Osipenko 7ebb09db5b memory: tegra20: Correct comment to MC_STAT registers writes
The code was changed multiple times and the comment to MC_STAT
registers writes became slightly outdated. The MC_STAT programming
now isn't hardcoded to the "bandwidth" mode, let's clarify this in
the comment.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Link: https://lore.kernel.org/r/20210323210446.24867-1-digetx@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-04-01 19:58:22 +02:00
Dmitry Osipenko fbd31f5aa6 memory: tegra20: Add debug statistics
Add debug statistics collection support. The statistics is available
via debugfs in '/sys/kernel/debug/mc/stats', it shows percent of memory
controller utilization for each memory client. This information is
intended to help with debugging of memory performance issues, it already
was proven to be useful by helping to improve memory bandwidth management
of the display driver.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20210319130933.23261-1-digetx@gmail.com
2021-04-01 19:58:22 +02:00
Yang Li e47faa54c3 memory: tegra: replace DEFINE_SIMPLE_ATTRIBUTE with DEFINE_DEBUGFS_ATTRIBUTE
Fix the following coccicheck warning:

  drivers/memory/tegra/tegra124-emc.c:1207:0-23: WARNING:
    tegra_emc_debug_min_rate_fops should be defined with DEFINE_DEBUGFS_ATTRIBUTE

Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Link: https://lore.kernel.org/r/1614243958-55847-1-git-send-email-yang.lee@linux.alibaba.com
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
2021-04-01 19:58:22 +02:00
Qiheng Lin b11a188aef memory: fsl-corenet-cf: Remove redundant dev_err call in ccf_probe()
There is a error message within devm_ioremap_resource already, so remove
the dev_err call to avoid redundant error message.

Signed-off-by: Qiheng Lin <linqiheng@huawei.com>
Link: https://lore.kernel.org/r/20210331093244.3238-1-linqiheng@huawei.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
2021-04-01 19:56:52 +02:00
Yangtao Li a8bb0e872b memory: samsung: exynos5422-dmc: Convert to use resource-managed OPP API
Use resource-managed OPP API to simplify code.

Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
2021-03-25 14:38:48 +05:30
Colin Ian King e004c3e67b memory: gpmc: fix out of bounds read and dereference on gpmc_cs[]
Currently the array gpmc_cs is indexed by cs before it cs is range checked
and the pointer read from this out-of-index read is dereferenced. Fix this
by performing the range check on cs before the read and the following
pointer dereference.

Addresses-Coverity: ("Negative array index read")
Fixes: 9ed7a776eb ("ARM: OMAP2+: Fix support for multiple devices on a GPMC chip select")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Tony Lindgren <tony@atomide.com>
Link: https://lore.kernel.org/r/20210223193821.17232-1-colin.king@canonical.com
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
2021-03-07 20:55:00 +01:00
Linus Torvalds e229b429bb Char/Misc driver patches for 5.12-rc1
Here is the large set of char/misc/whatever driver subsystem updates for
 5.12-rc1.  Over time it seems like this tree is collecting more and more
 tiny driver subsystems in one place, making it easier for those
 maintainers, which is why this is getting larger.
 
 Included in here are:
 	- coresight driver updates
 	- habannalabs driver updates
 	- virtual acrn driver addition (proper acks from the x86
 	  maintainers)
 	- broadcom misc driver addition
 	- speakup driver updates
 	- soundwire driver updates
 	- fpga driver updates
 	- amba driver updates
 	- mei driver updates
 	- vfio driver updates
 	- greybus driver updates
 	- nvmeem driver updates
 	- phy driver updates
 	- mhi driver updates
 	- interconnect driver udpates
 	- fsl-mc bus driver updates
 	- random driver fix
 	- some small misc driver updates (rtsx, pvpanic, etc.)
 
 All of these have been in linux-next for a while, with the only reported
 issue being a merge conflict in include/linux/mod_devicetable.h that you
 will hit in your tree due to the dfl_device_id addition from the fpga
 subsystem in here.  The resolution should be simple.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver updates from Greg KH:
 "Here is the large set of char/misc/whatever driver subsystem updates
  for 5.12-rc1. Over time it seems like this tree is collecting more and
  more tiny driver subsystems in one place, making it easier for those
  maintainers, which is why this is getting larger.

  Included in here are:

   - coresight driver updates

   - habannalabs driver updates

   - virtual acrn driver addition (proper acks from the x86 maintainers)

   - broadcom misc driver addition

   - speakup driver updates

   - soundwire driver updates

   - fpga driver updates

   - amba driver updates

   - mei driver updates

   - vfio driver updates

   - greybus driver updates

   - nvmeem driver updates

   - phy driver updates

   - mhi driver updates

   - interconnect driver udpates

   - fsl-mc bus driver updates

   - random driver fix

   - some small misc driver updates (rtsx, pvpanic, etc.)

  All of these have been in linux-next for a while, with the only
  reported issue being a merge conflict due to the dfl_device_id
  addition from the fpga subsystem in here"

* tag 'char-misc-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (311 commits)
  spmi: spmi-pmic-arb: Fix hw_irq overflow
  Documentation: coresight: Add PID tracing description
  coresight: etm-perf: Support PID tracing for kernel at EL2
  coresight: etm-perf: Clarify comment on perf options
  ACRN: update MAINTAINERS: mailing list is subscribers-only
  regmap: sdw-mbq: use MODULE_LICENSE("GPL")
  regmap: sdw: use no_pm routines for SoundWire 1.2 MBQ
  regmap: sdw: use _no_pm functions in regmap_read/write
  soundwire: intel: fix possible crash when no device is detected
  MAINTAINERS: replace my with email with replacements
  mhi: Fix double dma free
  uapi: map_to_7segment: Update example in documentation
  uio: uio_pci_generic: don't fail probe if pdev->irq equals to IRQ_NOTCONNECTED
  drivers/misc/vmw_vmci: restrict too big queue size in qp_host_alloc_queue
  firewire: replace tricky statement by two simple ones
  vme: make remove callback return void
  firmware: google: make coreboot driver's remove callback return void
  firmware: xilinx: Use explicit values for all enum values
  sample/acrn: Introduce a sample of HSM ioctl interface usage
  virt: acrn: Introduce an interface for Service VM to control vCPU
  ...
2021-02-24 10:25:37 -08:00
Linus Torvalds 6ff6f86bc4 ARM updates for 5.12-rc1:
- Generalise byte swapping assembly
 - Update debug addresses for STI
 - Validate start of physical memory with DTB
 - Do not clear SCTLR.nTLSMD in decompressor
 - amba/locomo/sa1111 devices remove method return type is void
 - address markers for KASAN in page table dump
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Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm

Pull ARM updates from Russell King:

 - Generalise byte swapping assembly

 - Update debug addresses for STI

 - Validate start of physical memory with DTB

 - Do not clear SCTLR.nTLSMD in decompressor

 - amba/locomo/sa1111 devices remove method return type is void

 - address markers for KASAN in page table dump

* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
  ARM: 9065/1: OABI compat: fix build when EPOLL is not enabled
  ARM: 9055/1: mailbox: arm_mhuv2: make remove callback return void
  amba: Make use of bus_type functions
  amba: Make the remove callback return void
  vfio: platform: simplify device removal
  amba: reorder functions
  amba: Fix resource leak for drivers without .remove
  ARM: 9054/1: arch/arm/mm/mmu.c: Remove duplicate header
  ARM: 9053/1: arm/mm/ptdump:Add address markers for KASAN regions
  ARM: 9051/1: vdso: remove unneded extra-y addition
  ARM: 9050/1: Kconfig: Select ARCH_HAVE_NMI_SAFE_CMPXCHG where possible
  ARM: 9049/1: locomo: make locomo bus's remove callback return void
  ARM: 9048/1: sa1111: make sa1111 bus's remove callback return void
  ARM: 9047/1: smp: remove unused variable
  ARM: 9046/1: decompressor: Do not clear SCTLR.nTLSMD for ARMv7+ cores
  ARM: 9045/1: uncompress: Validate start of physical memory against passed DTB
  ARM: 9042/1: debug: no uncompress debugging while semihosting
  ARM: 9041/1: sti LL_UART: add STiH418 SBC UART0 support
  ARM: 9040/1: use DEBUG_UART_PHYS and DEBUG_UART_VIRT for sti LL_UART
  ARM: 9039/1: assembler: generalize byte swapping macro into rev_l
2021-02-22 14:27:07 -08:00
Linus Torvalds d652ea30ba IOMMU Updates for Linux v5.12
Including:
 
 	- ARM SMMU and Mediatek updates from Will Deacon:
 
 		- Support for MT8192 IOMMU from Mediatek
 
 		- Arm v7s io-pgtable extensions for MT8192
 
 		- Removal of TLBI_ON_MAP quirk
 
 		- New Qualcomm compatible strings
 
 		- Allow SVA without hardware broadcast TLB maintenance
 		  on SMMUv3
 
 		- Virtualization Host Extension support for SMMUv3 (SVA)
 
 		- Allow SMMUv3 PMU (perf) driver to be built
 		  independently from IOMMU
 
 	- Some tidy-up in IOVA and core code
 
 	- Conversion of the AMD IOMMU code to use the generic
 	  IO-page-table framework
 
 	- Intel VT-d updates from Lu Baolu:
 
 		- Audit capability consistency among different IOMMUs
 
 		- Add SATC reporting structure support
 
 		- Add iotlb_sync_map callback support
 
 	- SDHI Support for Renesas IOMMU driver
 
 	- Misc Cleanups and other small improvments
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Merge tag 'iommu-updates-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull iommu updates from Joerg Roedel:

 - ARM SMMU and Mediatek updates from Will Deacon:
     - Support for MT8192 IOMMU from Mediatek
     - Arm v7s io-pgtable extensions for MT8192
     - Removal of TLBI_ON_MAP quirk
     - New Qualcomm compatible strings
     - Allow SVA without hardware broadcast TLB maintenance on SMMUv3
     - Virtualization Host Extension support for SMMUv3 (SVA)
     - Allow SMMUv3 PMU perf driver to be built independently from IOMMU

 - Some tidy-up in IOVA and core code

 - Conversion of the AMD IOMMU code to use the generic IO-page-table
   framework

 - Intel VT-d updates from Lu Baolu:
     - Audit capability consistency among different IOMMUs
     - Add SATC reporting structure support
     - Add iotlb_sync_map callback support

 - SDHI support for Renesas IOMMU driver

 - Misc cleanups and other small improvments

* tag 'iommu-updates-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (94 commits)
  iommu/amd: Fix performance counter initialization
  MAINTAINERS: repair file pattern in MEDIATEK IOMMU DRIVER
  iommu/mediatek: Fix error code in probe()
  iommu/mediatek: Fix unsigned domid comparison with less than zero
  iommu/vt-d: Parse SATC reporting structure
  iommu/vt-d: Add new enum value and structure for SATC
  iommu/vt-d: Add iotlb_sync_map callback
  iommu/vt-d: Move capability check code to cap_audit files
  iommu/vt-d: Audit IOMMU Capabilities and add helper functions
  iommu/vt-d: Fix 'physical' typos
  iommu: Properly pass gfp_t in _iommu_map() to avoid atomic sleeping
  iommu/vt-d: Fix compile error [-Werror=implicit-function-declaration]
  driver/perf: Remove ARM_SMMU_V3_PMU dependency on ARM_SMMU_V3
  MAINTAINERS: Add entry for MediaTek IOMMU
  iommu/mediatek: Add mt8192 support
  iommu/mediatek: Remove unnecessary check in attach_device
  iommu/mediatek: Support master use iova over 32bit
  iommu/mediatek: Add iova reserved function
  iommu/mediatek: Support for multi domains
  iommu/mediatek: Add get_domain_id from dev->dma_range_map
  ...
2021-02-22 10:31:29 -08:00
Arnd Bergmann f464252181 Memory controller drivers for v5.12, part two
Two minor cleanups and one fix for compile testing (when !CONFIG_OF).
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Merge tag 'memory-controller-drv-5.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl into arm/drivers

Memory controller drivers for v5.12, part two

Two minor cleanups and one fix for compile testing (when !CONFIG_OF).

* tag 'memory-controller-drv-5.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl:
  memory: tegra186-emc: Replace DEFINE_SIMPLE_ATTRIBUTE with DEFINE_DEBUGFS_ATTRIBUTE
  memory: samsung: exynos5422-dmc: Correct function names in kerneldoc
  memory: ti-emif-pm: Drop of_match_ptr from of_device_id table

Link: https://lore.kernel.org/r/20210211081829.7317-1-krzk@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-02-11 13:48:49 +01:00
Jiapeng Chong 321b36c79c memory: tegra186-emc: Replace DEFINE_SIMPLE_ATTRIBUTE with DEFINE_DEBUGFS_ATTRIBUTE
Fix the following coccicheck warning:

drivers/memory/tegra/tegra186-emc.c:158:0-23: WARNING:
  tegra186_emc_debug_max_rate_fops should be defined with DEFINE_DEBUGFS_ATTRIBUTE.

Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Link: https://lore.kernel.org/r/1612684970-125948-1-git-send-email-jiapeng.chong@linux.alibaba.com
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
2021-02-08 18:15:45 +01:00
Krzysztof Kozlowski 0e9bc42089 memory: samsung: exynos5422-dmc: Correct function names in kerneldoc
Correct kerneldoc to fix W=1 warnings:

    drivers/memory/samsung/exynos5422-dmc.c:290: warning:
        expecting prototype for find_target_freq_id(). Prototype was for find_target_freq_idx() instead
    drivers/memory/samsung/exynos5422-dmc.c:1015: warning:
        expecting prototype for exynos5_dmc_align_initial_frequency(). Prototype was for exynos5_dmc_align_init_freq() instead

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Link: https://lore.kernel.org/r/20210206111715.20774-1-krzk@kernel.org
2021-02-08 18:13:46 +01:00
Krzysztof Kozlowski 62c290a678 memory: ti-emif-pm: Drop of_match_ptr from of_device_id table
The driver can match only via the DT table so the table should be always
used and the of_match_ptr does not have any sense (this also allows ACPI
matching via PRP0001, even though it might be not relevant here).  This
fixes compile warning (!CONFIG_OF with clang):

    drivers/memory/ti-emif-pm.c:238:34: warning:
        unused variable 'ti_emif_of_match' [-Wunused-const-variable]

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/r/20210206111343.19273-1-krzk@kernel.org
2021-02-08 18:13:24 +01:00
Greg Kroah-Hartman 0573d3fa48 Merge branch 'devel-stable' of git://git.armlinux.org.uk/~rmk/linux-arm into char-misc-next
This merges from linux-arm at 860660fd82 ("ARM: 9055/1: mailbox:
arm_mhuv2: make remove callback return void") into char-misc-next to get
the amba fixes from Uwe.

Cc: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: Russell King <linux@armlinux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-02-05 11:15:43 +01:00
Arnd Bergmann 4d29b82686 Memory controller drivers for v5.12 - Tegra SoC
1. Make the tegra124-emc driver modular.
 2. Add interconnect support to Tegra124 memory controller drivers.
 3. Minor fixes.
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Merge tag 'memory-controller-drv-tegra-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl into arm/drivers

Memory controller drivers for v5.12 - Tegra SoC

1. Make the tegra124-emc driver modular.
2. Add interconnect support to Tegra124 memory controller drivers.
3. Minor fixes.

* tag 'memory-controller-drv-tegra-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl:
  memory: tegra: Remove calls to dev_pm_opp_set_clkname()
  memory: tegra: Check whether reset is already asserted
  memory: tegra124: Support interconnect framework
  memory: tegra124-emc: Continue probing if timings are missing in device-tree
  memory: tegra124-emc: Make driver modular

Link: https://lore.kernel.org/r/20210131180109.11510-2-krzk@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-02-02 22:20:34 +01:00