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5907 commits

Author SHA1 Message Date
Arnd Bergmann
c116baf79f ARM: omap2: hide omap3_save_secure_ram on non-OMAP3 builds
commit 863204cfda upstream.

In configurations without CONFIG_OMAP3 but with secure RAM support,
we now run into a link failure:

arch/arm/mach-omap2/omap-secure.o: In function `omap3_save_secure_ram':
omap-secure.c:(.text+0x130): undefined reference to `save_secure_ram_context'

The omap3_save_secure_ram() function is only called from the OMAP34xx
power management code, so we can simply hide that function in the
appropriate #ifdef.

Fixes: d09220a887 ("ARM: OMAP2+: Fix SRAM virt to phys translation for save_secure_ram_context")
Acked-by: Tony Lindgren <tony@atomide.com>
Tested-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-03-15 10:54:22 +01:00
Keerthy
17e712b129 ARM: AM33xx: PRM: Remove am33xx_pwrdm_read_prev_pwrst function
[ Upstream commit b6d6af7226 ]

Referring TRM Am335X series:
http://www.ti.com/lit/ug/spruh73p/spruh73p.pdf

The LastPowerStateEntered bitfield is present only for PM_CEFUSE
domain. This is not present in any of the other power domains. Hence
remove the generic am33xx_pwrdm_read_prev_pwrst hook which wrongly
reads the reserved bit fields for all the other power domains.

Reading the reserved bits leads to wrongly interpreting the low
power transitions for various power domains that do not have the
LastPowerStateEntered field. The pm debug counters values are wrong
currently as we are incrementing them based on the reserved bits.

Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-02-25 11:07:53 +01:00
Tony Lindgren
b59a1da647 ARM: OMAP2+: Fix SRAM virt to phys translation for save_secure_ram_context
[ Upstream commit d09220a887 ]

With the CMA changes from Joonsoo Kim <iamjoonsoo.kim@lge.com>, it
was noticed that n900 stopped booting. After investigating it turned
out that n900 save_secure_ram_context does some whacky virtual to
physical address translation for the SRAM data address.

As we now only have minimal parts of omap3 idle code copied to SRAM,
running save_secure_ram_context() in SRAM is not needed. It only gets
called on PM init. And it seems there's no need to ever call this from
SRAM idle code.

So let's just keep save_secure_ram_context() in DDR, and pass it the
physical address of the parameters. We can do everything else in
omap-secure.c like we already do for other secure code.

And since we don't have any documentation, I still have no clue what
the values for 0, 1 and 1 for the parameters might be. If somebody has
figured it out, please do send a patch to add some comments.

Debugged-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-02-25 11:07:53 +01:00
Tero Kristo
5455eef0f3 ARM: OMAP3: hwmod_data: add missing module_offs for MMC3
commit 3c4d296e58 upstream.

MMC3 hwmod data is missing the module_offs definition. MMC3 belongs under
core, so add CORE_MOD for it.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Cc: Adam Ford <aford173@gmail.com>
Fixes: 6c0afb5039 ("clk: ti: convert to use proper register definition for all accesses")
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-01-23 19:58:15 +01:00
Greg Kroah-Hartman
b24413180f License cleanup: add SPDX GPL-2.0 license identifier to files with no license
Many source files in the tree are missing licensing information, which
makes it harder for compliance tools to determine the correct license.

By default all files without license information are under the default
license of the kernel, which is GPL version 2.

Update the files which contain no license information with the 'GPL-2.0'
SPDX license identifier.  The SPDX identifier is a legally binding
shorthand, which can be used instead of the full boiler plate text.

This patch is based on work done by Thomas Gleixner and Kate Stewart and
Philippe Ombredanne.

How this work was done:

Patches were generated and checked against linux-4.14-rc6 for a subset of
the use cases:
 - file had no licensing information it it.
 - file was a */uapi/* one with no licensing information in it,
 - file was a */uapi/* one with existing licensing information,

Further patches will be generated in subsequent months to fix up cases
where non-standard license headers were used, and references to license
had to be inferred by heuristics based on keywords.

The analysis to determine which SPDX License Identifier to be applied to
a file was done in a spreadsheet of side by side results from of the
output of two independent scanners (ScanCode & Windriver) producing SPDX
tag:value files created by Philippe Ombredanne.  Philippe prepared the
base worksheet, and did an initial spot review of a few 1000 files.

The 4.13 kernel was the starting point of the analysis with 60,537 files
assessed.  Kate Stewart did a file by file comparison of the scanner
results in the spreadsheet to determine which SPDX license identifier(s)
to be applied to the file. She confirmed any determination that was not
immediately clear with lawyers working with the Linux Foundation.

Criteria used to select files for SPDX license identifier tagging was:
 - Files considered eligible had to be source code files.
 - Make and config files were included as candidates if they contained >5
   lines of source
 - File already had some variant of a license header in it (even if <5
   lines).

All documentation files were explicitly excluded.

The following heuristics were used to determine which SPDX license
identifiers to apply.

 - when both scanners couldn't find any license traces, file was
   considered to have no license information in it, and the top level
   COPYING file license applied.

   For non */uapi/* files that summary was:

   SPDX license identifier                            # files
   ---------------------------------------------------|-------
   GPL-2.0                                              11139

   and resulted in the first patch in this series.

   If that file was a */uapi/* path one, it was "GPL-2.0 WITH
   Linux-syscall-note" otherwise it was "GPL-2.0".  Results of that was:

   SPDX license identifier                            # files
   ---------------------------------------------------|-------
   GPL-2.0 WITH Linux-syscall-note                        930

   and resulted in the second patch in this series.

 - if a file had some form of licensing information in it, and was one
   of the */uapi/* ones, it was denoted with the Linux-syscall-note if
   any GPL family license was found in the file or had no licensing in
   it (per prior point).  Results summary:

   SPDX license identifier                            # files
   ---------------------------------------------------|------
   GPL-2.0 WITH Linux-syscall-note                       270
   GPL-2.0+ WITH Linux-syscall-note                      169
   ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause)    21
   ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)    17
   LGPL-2.1+ WITH Linux-syscall-note                      15
   GPL-1.0+ WITH Linux-syscall-note                       14
   ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause)    5
   LGPL-2.0+ WITH Linux-syscall-note                       4
   LGPL-2.1 WITH Linux-syscall-note                        3
   ((GPL-2.0 WITH Linux-syscall-note) OR MIT)              3
   ((GPL-2.0 WITH Linux-syscall-note) AND MIT)             1

   and that resulted in the third patch in this series.

 - when the two scanners agreed on the detected license(s), that became
   the concluded license(s).

 - when there was disagreement between the two scanners (one detected a
   license but the other didn't, or they both detected different
   licenses) a manual inspection of the file occurred.

 - In most cases a manual inspection of the information in the file
   resulted in a clear resolution of the license that should apply (and
   which scanner probably needed to revisit its heuristics).

 - When it was not immediately clear, the license identifier was
   confirmed with lawyers working with the Linux Foundation.

 - If there was any question as to the appropriate license identifier,
   the file was flagged for further research and to be revisited later
   in time.

In total, over 70 hours of logged manual review was done on the
spreadsheet to determine the SPDX license identifiers to apply to the
source files by Kate, Philippe, Thomas and, in some cases, confirmation
by lawyers working with the Linux Foundation.

Kate also obtained a third independent scan of the 4.13 code base from
FOSSology, and compared selected files where the other two scanners
disagreed against that SPDX file, to see if there was new insights.  The
Windriver scanner is based on an older version of FOSSology in part, so
they are related.

Thomas did random spot checks in about 500 files from the spreadsheets
for the uapi headers and agreed with SPDX license identifier in the
files he inspected. For the non-uapi files Thomas did random spot checks
in about 15000 files.

In initial set of patches against 4.14-rc6, 3 files were found to have
copy/paste license identifier errors, and have been fixed to reflect the
correct identifier.

Additionally Philippe spent 10 hours this week doing a detailed manual
inspection and review of the 12,461 patched files from the initial patch
version early this week with:
 - a full scancode scan run, collecting the matched texts, detected
   license ids and scores
 - reviewing anything where there was a license detected (about 500+
   files) to ensure that the applied SPDX license was correct
 - reviewing anything where there was no detection but the patch license
   was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied
   SPDX license was correct

This produced a worksheet with 20 files needing minor correction.  This
worksheet was then exported into 3 different .csv files for the
different types of files to be modified.

These .csv files were then reviewed by Greg.  Thomas wrote a script to
parse the csv files and add the proper SPDX tag to the file, in the
format that the file expected.  This script was further refined by Greg
based on the output to detect more types of files automatically and to
distinguish between header and source .c files (which need different
comment types.)  Finally Greg ran the script using the .csv files to
generate the patches.

Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-11-02 11:10:55 +01:00
H. Nikolaus Schaller
20547dfd85 ARM: OMAP2+: hsmmc: fix logic to call either omap_hsmmc_init or omap_hsmmc_late_init but not both
With 4.13 kernel I get this boot message:

[    1.051727] ------------[ cut here ]------------
[    1.051818] WARNING: CPU: 0 PID: 1 at fs/sysfs/dir.c:31 sysfs_warn_dup+0x54/0x74
[    1.051849] sysfs: cannot create duplicate filename '/devices/platform/omap_hsmmc.2'
[    1.051879] Modules linked in:
[    1.051971] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.13.0-letux+ #1360
[    1.052001] Hardware name: Generic OMAP3 (Flattened Device Tree)
[    1.052062] [<c010f690>] (unwind_backtrace) from [<c010bba8>] (show_stack+0x10/0x14)
[    1.052124] [<c010bba8>] (show_stack) from [<c075dc88>] (dump_stack+0x98/0xd0)
[    1.052185] [<c075dc88>] (dump_stack) from [<c012f398>] (__warn+0xd0/0x100)
[    1.052215] [<c012f398>] (__warn) from [<c012f3fc>] (warn_slowpath_fmt+0x34/0x44)
[    1.052276] [<c012f3fc>] (warn_slowpath_fmt) from [<c02ebcb4>] (sysfs_warn_dup+0x54/0x74)
[    1.052337] [<c02ebcb4>] (sysfs_warn_dup) from [<c02ebd90>] (sysfs_create_dir_ns+0x74/0x84)
[    1.052398] [<c02ebd90>] (sysfs_create_dir_ns) from [<c0761b8c>] (kobject_add_internal+0xd0/0x294)
[    1.052429] [<c0761b8c>] (kobject_add_internal) from [<c0761f00>] (kobject_add+0x6c/0x8c)
[    1.052490] [<c0761f00>] (kobject_add) from [<c04e831c>] (device_add+0xe4/0x510)
[    1.052551] [<c04e831c>] (device_add) from [<c04ec6e4>] (platform_device_add+0x130/0x1c0)
[    1.052612] [<c04ec6e4>] (platform_device_add) from [<c01281c0>] (omap_hsmmc_late_init+0x3c/0x60)
[    1.052673] [<c01281c0>] (omap_hsmmc_late_init) from [<c0b0fa44>] (omap3_pandora_legacy_init+0x24/0xb4)
[    1.052734] [<c0b0fa44>] (omap3_pandora_legacy_init) from [<c0128178>] (pdata_quirks_check+0x30/0x3c)
[    1.052795] [<c0128178>] (pdata_quirks_check) from [<c0b0f950>] (omap_generic_init+0xc/0x18)
[    1.052856] [<c0b0f950>] (omap_generic_init) from [<c0b03480>] (customize_machine+0x1c/0x28)
[    1.052917] [<c0b03480>] (customize_machine) from [<c0101938>] (do_one_initcall+0xa8/0x150)
[    1.052947] [<c0101938>] (do_one_initcall) from [<c0b00d70>] (kernel_init_freeable+0x110/0x1d4)
[    1.053009] [<c0b00d70>] (kernel_init_freeable) from [<c076f198>] (kernel_init+0x8/0x10c)
[    1.053070] [<c076f198>] (kernel_init) from [<c01070f0>] (ret_from_fork+0x14/0x24)
[    1.055023] ---[ end trace 44e490b09ac4ab88 ]---

This can be traced down to the calls of

	omap_hsmmc_init(pandora_mmc3);
	omap_hsmmc_late_init(pandora_mmc3);

in omap3_pandora_legacy_init().

It turns out that both funcions disagree how to decide if the other one was alredy called.

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2017-09-19 10:59:26 -07:00
Keerthy
06480f8cf5 ARM: OMAP2+: dra7xx: Set OPT_CLKS_IN_RESET flag for gpio1
gpio1 soft reset fails in the kexec path as the optional clock
is not enabled hence enable the HWMOD_CONTROL_OPT_CLKS_IN_RESET
flag for gpio1 hwmod.

Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2017-09-19 10:43:23 -07:00
Linus Torvalds
8fac2f96ab Merge branch 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm
Pull ARM updates from Russell King:
 "Low priority fixes and updates for ARM:

   - add some missing includes

   - efficiency improvements in system call entry code when tracing is
     enabled

   - ensure ARMv6+ is always built as EABI

   - export save_stack_trace_tsk()

   - fix fatal signal handling during mm fault

   - build translation table base address register from scratch

   - appropriately align the .data section to a word boundary where we
     rely on that data being word aligned"

* 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
  ARM: 8691/1: Export save_stack_trace_tsk()
  ARM: 8692/1: mm: abort uaccess retries upon fatal signal
  ARM: 8690/1: lpae: build TTB control register value from scratch in v7_ttb_setup
  ARM: align .data section
  ARM: always enable AEABI for ARMv6+
  ARM: avoid saving and restoring registers unnecessarily
  ARM: move PC value into r9
  ARM: obtain thread info structure later
  ARM: use aliases for registers in entry-common
  ARM: 8689/1: scu: add missing errno include
  ARM: 8688/1: pm: add missing types include
2017-09-12 06:10:44 -07:00
Linus Torvalds
7f1b9be13a ARM/arm64: SoC platform updates for v4.14
This branch contains platform updates for 32- and 64-bit ARM,
 including defconfig updates to enable new options, drivers and
 platforms. There are also a few fixes and cleanups for some existing vendors.
 
 Some of the things worth highlighting here are:
 
  - Enabling new crypt drivers on arm64 defconfig
  - QCOM IPQ8074 clocks and pinctrl drivers on arm64 defconfig
  - Debug support enabled for Renesas r8a7743
  - Various config updates for Renesas platforms (sound, USB, other drivers)
  - Platform support (including SMP) for TI dra762
  - OMAP cleanups: Move to use generic 8250 debug_ll, removal of stale DMA code
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Merge tag 'armsoc-platforms' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM/arm64 SoC platform updates from Olof Johansson: "This branch
  contains platform updates for 32- and 64-bit ARM, including defconfig
  updates to enable new options, drivers and platforms. There are also a
  few fixes and cleanups for some existing vendors.

  Some of the things worth highlighting here are:

   - Enabling new crypt drivers on arm64 defconfig

   - QCOM IPQ8074 clocks and pinctrl drivers on arm64 defconfig

   - Debug support enabled for Renesas r8a7743

   - Various config updates for Renesas platforms (sound, USB, other
     drivers)

   - Platform support (including SMP) for TI dra762

   - OMAP cleanups: Move to use generic 8250 debug_ll, removal of stale
     DMA code"

* tag 'armsoc-platforms' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (109 commits)
  ARM: multi_v7_defconfig: make eSDHC driver built-in
  arm64: defconfig: enable rockchip graphics
  MAINTAINERS: Update Cavium ThunderX2 entry
  ARM: config: aspeed: Add I2C, VUART, LPC Snoop
  ARM: configs: aspeed: Update Aspeed G4 with VMSPLIT_2G
  ARM: s3c24xx: Fix NAND ECC mode for mini2440 board
  ARM: davinci_all_defconfig: enable tinydrm and ST7586
  arm64: defconfig: Enable QCOM IPQ8074 clock and pinctrl
  ARM: defconfig: tegra: Enable ChipIdea UDC driver
  ARM: configs: Add Tegra I2S interfaces to multi_v7_defconfig
  ARM: tegra: Add Tegra I2S interfaces to defconfig
  ARM: tegra: Update default configuration for v4.13-rc1
  MAINTAINERS: update ARM/ZTE entry
  soc: versatile: remove unnecessary static in realview_soc_probe()
  ARM: Convert to using %pOF instead of full_name
  ARM: hisi: Fix typo in comment
  ARM: multi_v7_defconfig: add CONFIG_BRCMSTB_THERMAL
  arm64: defconfig: add CONFIG_BRCMSTB_THERMAL
  arm64: defconfig: add recently added crypto drivers as modules
  arm64: defconfig: enable CONFIG_UNIPHIER_WATCHDOG
  ...
2017-09-10 20:35:46 -07:00
Russell King
e558bdc21a Merge branches 'fixes' and 'misc' into for-linus 2017-09-09 16:34:41 +01:00
Linus Torvalds
968c61f7da - New Drivers
- RK805 Power Management IC (PMIC)
    - ROHM BD9571MWV-M MFD Power Management IC (PMIC)
    - Texas Instruments TPS68470 Power Management IC (PMIC) & LEDs
 
  - New Device Support
    - Add support for HiSilicon Hi6421v530 to hi6421-pmic-core
    - Add support for X-Powers AXP806 to axp20x
    - Add support for X-Powers AXP813 to axp20x
    - Add support for Intel Sunrise Point LPSS to intel-lpss-pci
 
  - New Functionality
    - Amend API to provide register layout; atmel-smc
 
 - Fix-ups
    - DT re-work; omap, nokia
    - Header file location change {I2C => MFD}; dm355evm_msp, tps65010
    - Fix chip ID formatting issue(s); rk808
    - Optionally register touchscreen devices; da9052-core
    - Documentation improvements; twl-core
    - Constification; rtsx_pcr, ab8500-core, da9055-i2c, da9052-spi
    - Drop unnecessary static declaration; max8925-i2c
    - Kconfig changes (missing deps and remove module support)
    - Slim down oversized licence statement; hi6421-pmic-core
    - Use managed resources (devm_*); lp87565
    - Supply proper error checking/handling; t7l66xb
 
  - Bug Fixes
    - Fix counter duplication issue; da9052-core
    - Fix potential NULL deference issue; max8998
    - Leave SPI-NOR write-protection bit alone; lpc_ich
    - Ensure device is put into reset during suspend; intel-lpss
    - Correct register offset variable size; omap-usb-tll
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Merge tag 'mfd-next-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "New Drivers
   - RK805 Power Management IC (PMIC)
   - ROHM BD9571MWV-M MFD Power Management IC (PMIC)
   - Texas Instruments TPS68470 Power Management IC (PMIC) & LEDs

  New Device Support:
   - Add support for HiSilicon Hi6421v530 to hi6421-pmic-core
   - Add support for X-Powers AXP806 to axp20x
   - Add support for X-Powers AXP813 to axp20x
   - Add support for Intel Sunrise Point LPSS to intel-lpss-pci

  New Functionality:
   - Amend API to provide register layout; atmel-smc

  Fix-ups:
   - DT re-work; omap, nokia
   - Header file location change {I2C => MFD}; dm355evm_msp, tps65010
   - Fix chip ID formatting issue(s); rk808
   - Optionally register touchscreen devices; da9052-core
   - Documentation improvements; twl-core
   - Constification; rtsx_pcr, ab8500-core, da9055-i2c, da9052-spi
   - Drop unnecessary static declaration; max8925-i2c
   - Kconfig changes (missing deps and remove module support)
   - Slim down oversized licence statement; hi6421-pmic-core
   - Use managed resources (devm_*); lp87565
   - Supply proper error checking/handling; t7l66xb

  Bug Fixes:
   - Fix counter duplication issue; da9052-core
   - Fix potential NULL deference issue; max8998
   - Leave SPI-NOR write-protection bit alone; lpc_ich
   - Ensure device is put into reset during suspend; intel-lpss
   - Correct register offset variable size; omap-usb-tll"

* tag 'mfd-next-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (61 commits)
  mfd: intel_soc_pmic: Differentiate between Bay and Cherry Trail CRC variants
  mfd: intel_soc_pmic: Export separate mfd-cell configs for BYT and CHT
  dt-bindings: mfd: Add bindings for ZII RAVE devices
  mfd: omap-usb-tll: Fix register offsets
  mfd: da9052: Constify spi_device_id
  mfd: intel-lpss: Put I2C and SPI controllers into reset state on suspend
  mfd: da9055: Constify i2c_device_id
  mfd: intel-lpss: Add missing PCI ID for Intel Sunrise Point LPSS devices
  mfd: t7l66xb: Handle return value of clk_prepare_enable
  mfd: Add ROHM BD9571MWV-M PMIC DT bindings
  mfd: intel_soc_pmic_chtwc: Turn Kconfig option into a bool
  mfd: lp87565: Convert to use devm_mfd_add_devices()
  mfd: Add support for TPS68470 device
  mfd: lpc_ich: Do not touch SPI-NOR write protection bit on Haswell/Broadwell
  mfd: syscon: atmel-smc: Add helper to retrieve register layout
  mfd: axp20x: Use correct platform device ID for many PEK
  dt-bindings: mfd: axp20x: Introduce bindings for AXP813
  mfd: axp20x: Add support for AXP813 PMIC
  dt-bindings: mfd: axp20x: Add AXP806 to supported list of chips
  mfd: Add ROHM BD9571MWV-M MFD PMIC driver
  ...
2017-09-07 13:51:13 -07:00
Olof Johansson
9ec83463d6 Merge branch 'next/cleanup' into next/soc
* next/cleanup:
  soc: versatile: remove unnecessary static in realview_soc_probe()
  ARM: Convert to using %pOF instead of full_name
  ARM: hisi: Fix typo in comment
  ARM: OMAP4+: PRM: fix of_irq_get() result checks
  ARM: OMAP3+: PRM: fix of_irq_get() result check
  ARM: dts: dra72-evm-revc: workaround incorrect DP83867 RX_CTRL pin strap
  ARM: dts: dra71-evm: workaround incorrect DP83867 RX_CTRL pin strap
  ARM: OMAP2+: omap_device: drop broken RPM status update from suspend_noirq
  bus: omap-ocp2scp: Fix error handling in omap_ocp2scp_probe
2017-09-05 20:29:46 -07:00
Wolfram Sang
a205425658 mfd: twl: Move header file out of I2C realm
include/linux/i2c is not for client devices. Move the header file to a
more appropriate location.

Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Acked-by: Thierry Reding <thierry.reding@gmail.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Daniel Thompson <daniel.thompson@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2017-09-04 14:41:02 +01:00
Arnd Bergmann
d1bbc82378 ARM: OMAP2+: fix missing variable declaration
The function that was added doesn't actually build:

arch/arm/mach-omap2/display.c: In function 'omapdss_init_fbdev':
arch/arm/mach-omap2/display.c:184:2: error: 'r' undeclared (first use in this function)

This adds a declaration for 'r' to fix it.

Fixes: 5ce783025c ("ARM: OMAP2+: Don't register omapdss device for omapdrm")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2017-08-24 15:17:25 +03:00
Arnd Bergmann
2ad93fa37f Non-urgent fixes for omaps for v4.14 merge window. These all
can wait for the merge window as we have not seemed to hit
 any of these so far:
 
 - Fix error handling in omap_ocp2scp_probe affecting runtime
   PM error path
 
 - Drop broken RPM status update for omap_device
 
 - Two fixes for of_irq_get() usage that can return 0
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Merge tag 'omap-for-v4.14/fixes-not-urgent-v2-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/cleanup

Pull "non-urgent fixes for omaps for v4.14" from Tony Lindgren:

Non-urgent fixes for omaps for v4.14 merge window. These all
can wait for the merge window as we have not seemed to hit
any of these so far:

- Fix error handling in omap_ocp2scp_probe affecting runtime
  PM error path

- Drop broken RPM status update for omap_device

- Two fixes for of_irq_get() usage that can return 0

* tag 'omap-for-v4.14/fixes-not-urgent-v2-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP4+: PRM: fix of_irq_get() result checks
  ARM: OMAP3+: PRM: fix of_irq_get() result check
  ARM: OMAP2+: omap_device: drop broken RPM status update from suspend_noirq
  bus: omap-ocp2scp: Fix error handling in omap_ocp2scp_probe
2017-08-19 00:07:56 +02:00
Arnd Bergmann
a968bc52fe SoC updates for omaps for v4.14. Most of the chages are to add
support for new dra762 SoC. The other changes are are for legacy
 DMA code removal, and MMC quirk and iodelay config for dra7.
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Merge tag 'omap-for-v4.14/soc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc

Pull "soc changes for omaps for v4.14" from Tony Lindgren:

SoC updates for omaps for v4.14. Most of the chages are to add
support for new dra762 SoC. The other changes are are for legacy
DMA code removal, and MMC quirk and iodelay config for dra7.

* tag 'omap-for-v4.14/soc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP: dra7: powerdomain data: Register SoC specific powerdomains
  ARM: dra762: Enable SMP for dra762
  ARM: dra7: hwmod: Register dra76x specific hwmod
  ARM: dra762: Add support for device identification
  ARM: OMAP2+: board-generic: add support for dra762 family
  ARM: OMAP2+: Select PINCTRL_TI_IODELAY for SOC_DRA7XX
  ARM: OMAP2+: Add pdata-quirks for MMC/SD on DRA74x EVM
  ARM: OMAP2+: Remove unused legacy code for DMA
2017-08-16 22:34:15 +02:00
Rob Herring
a8e65e06ec ARM: Convert to using %pOF instead of full_name
Now that we have a custom printf format specifier, convert users of
full_name to use %pOF instead. This is preparation to remove storing
of the full path string for each node.

Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Acked-by: Shawn Guo <shawnguo@kernel.org>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Kukjin Kim <kgene@kernel.org>
Cc: Javier Martinez Canillas <javier@osg.samsung.com>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: "Benoît Cousson" <bcousson@baylibre.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Magnus Damm <magnus.damm@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2017-08-16 22:25:30 +02:00
Laurent Pinchart
5ce783025c ARM: OMAP2+: Don't register omapdss device for omapdrm
The omapdrm driver doesn't need the omapdss device anymore. Although it
can't be removed completely as the fbdev driver still requires it, we
can condition its registration to the usage of the omapfb driver.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2017-08-16 15:38:51 +03:00
Laurent Pinchart
d86bd82c1a ARM: OMAP2+: Remove unused omapdrm platform device
The omapdrm platform device is unused, as a replacement is now
registered in the omapdss driver. Remove it.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2017-08-16 15:38:51 +03:00
Sergei Shtylyov
879dce7953 ARM: OMAP4+: PRM: fix of_irq_get() result checks
of_irq_get() may return 0 as well as a nagative error number on failure,
(and never on success), however omap44xx_prm_late_init() regards 0 as a
valid IRQ -- fix this.

Fixes: a8f83aefcd ("ARM: OMAP4+: PRM: register interrupt information from DT")
Fixes: c5b3955828 ("ARM: OMAP4: Fix legacy code clean-up regression")
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2017-08-15 08:53:28 -07:00
Sergei Shtylyov
d683878dbe ARM: OMAP3+: PRM: fix of_irq_get() result check
of_irq_get() may return 0 as well as a nagative error number on failure
(and never on success), however omap3xxx_prm_late_init() regards 0 as a
valid IRQ -- fix this.

Fixes: 1e037794f7 ("ARM: OMAP3+: PRM: register interrupt information from DT")
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2017-08-15 08:53:18 -07:00
Laurent Pinchart
07e72f9a3f ARM: OMAP2+: Register SoC device attributes from machine .init()
SoC device attributes are registered with a call to
soc_device_register() from the machine .init_late() operation, which is
called from the late initcall, after all drivers built-in drivers have
been probed. This results in the impossibility for drivers to use SoC
device matching in their probe function.

The omap_soc_device_init() function is safe to call from the machine
.init() operation, as all data it depends on is initialized from the
.init_early() operation. Move SoC device attribute registration to
machine .init() like on all other ARM platforms.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
2017-08-15 15:18:25 +03:00
Lokesh Vutla
3af6ccc3d1 ARM: OMAP: dra7: powerdomain data: Register SoC specific powerdomains
Custom efuse powerdomain is always on in dra72 ES2.0
and dra76 SoCs. So register it as aon for these SoCs.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2017-08-14 10:33:29 -07:00
Lokesh Vutla
59895a7b41 ARM: dra762: Enable SMP for dra762
smp specific routines are called based on soc_is_*() api in omap-smc.c.
Add soc_is_dra76x() to the condition so that smp specific routines are
called for dra76 SoC.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2017-08-14 10:33:13 -07:00
Lokesh Vutla
6694c7497e ARM: dra7: hwmod: Register dra76x specific hwmod
Certain IPs are available on dra76 which are not present
either in dra74 or dra72. So add provision to register dra76
specific IPs separately.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2017-08-14 10:32:22 -07:00
Lokesh Vutla
c15ab99637 ARM: dra762: Add support for device identification
Add ID code detection for dra762 SoC.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2017-08-14 10:32:02 -07:00
Lokesh Vutla
4dc6760d3d ARM: OMAP2+: board-generic: add support for dra762 family
Adding board generic support for dra762 family.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2017-08-14 10:31:26 -07:00
Russell King
1abd350237 ARM: align .data section
Robert Jarzmik reports that his PXA25x system fails to boot with 4.12,
failing at __flush_whole_cache in arch/arm/mm/proc-xscale.S:215:

   0xc0019e20 <+0>:     ldr     r1, [pc, #788]
   0xc0019e24 <+4>:     ldr     r0, [r1]	<== here

with r1 containing 0xc06f82cd, which is the address of "clean_addr".
Examination of the System.map shows:

c06f22c8 D user_pmd_table
c06f22cc d __warned.19178
c06f22cd d clean_addr

indicating that a .data.unlikely section has appeared just before the
.data section from proc-xscale.S.  According to objdump -h, it appears
that our assembly files default their .data alignment to 2**0, which
is bad news if the preceding .data section size is not power-of-2
aligned at link time.

Add the appropriate .align directives to all assembly files in arch/arm
that are missing them where we require an appropriate alignment.

Reported-by: Robert Jarzmik <robert.jarzmik@free.fr>
Tested-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2017-08-14 16:22:55 +01:00
Kishon Vijay Abraham I
c2818a190a ARM: OMAP2+: Select PINCTRL_TI_IODELAY for SOC_DRA7XX
PINCTRL_TI_IODELAY should be enabled so that "pinctrl_dev" can be created
for pinctrl entries populated with iodelay values in device tree data.
Select PINCTRL_TI_IODELAY for SOC_DRA7XX here.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2017-08-10 09:56:20 -07:00
Sekhar Nori
fc66ce0b72 ARM: OMAP2+: Add pdata-quirks for MMC/SD on DRA74x EVM
DRA74x EVM Rev H EVM comes with revision 2.0 silicon.
However, earlier versions of EVM can come with either
revision 1.1 or revision 1.0 of silicon.

The device-tree file is written to support rev 2.0 of
silicon. pdata quirks are used to then override the
settings needed for PG 1.1 silicon.

PG 1.1 silicon has limitations w.r.t frequencies at
which MMC1/2/3 can operate as well as different IOdelay
numbers.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2017-08-10 09:02:37 -07:00
Tony Lindgren
0278bad18e ARM: OMAP2+: Remove unused legacy code for DMA
We are now booting all mach-omap2 in device tree only mode.
Any code that is only called in legacy boot mode where
of_have_populated_dt() is not set is safe to remove now.

Let's leave the dummy omap2_system_dma_init_dev() check
in place for now to avoid a pointless merge conflict with
tusb6010 dmaengine conversion as pointed out by Peter
Ujfalusi <peter.ujfalusi@ti.com>.

Signed-off-by: Tony Lindgren <tony@atomide.com>
2017-08-10 08:21:40 -07:00
Johan Hovold
90de9634a5 ARM: OMAP2+: omap_device: drop broken RPM status update from suspend_noirq
Since commit a8636c8964 ("PM / Runtime: Don't allow to suspend a
device with an active child"), which went into 4.10, it is no longer
permitted to set RPM_SUSPENDED state for a device with active children
(unless power.ignore_children is set).

This specifically means that the attempts to do just that from the omap
pm-domain suspend_noirq callback have since been failing whenever a
child is active, for example:

  am335x-usb-childs 47400000.usb: runtime PM trying to suspend
    device but active child

Silence this warning by dropping the broken pm_runtime_set_suspended()
call from the omap suspend_noirq callback along with the redundant
pm_runtime_set_active() in resume_noirq.

This effectively reverts commit 3522bf7bfa ("ARM: OMAP2+: omap_device:
maintain sane runtime pm status around suspend/resume"), which started
updating the RPM state after the runtime_suspend callback (!) for active
omap devices had been called during system suspend. The rationale was
that a later pm_runtime_get_sync() would then fail (even after runtime
pm had been disabled) and that this in turn would avoid any external
aborts when accessing registers with clocks disabled. (See also commit
6f3c77b040 ("PM / Runtime: let rpm_resume() succeed if RPM_ACTIVE,
even when disabled, v2").

But during the suspend_noirq phase all children would already have been
suspended and their drivers would specifically not attempt any further
register accesses. And if this was all just a workaround for random
device drivers doing cross-tree calls during system suspend, those
drivers should be fixed and updated to explicitly model such
dependencies using device-links instead (and either way, any such calls
have been causing crashes since 4.10).

Fixes: 3522bf7bfa ("ARM: OMAP2+: omap_device: maintain sane runtime pm status around suspend/resume")
Fixes: a8636c8964 ("PM / Runtime: Don't allow to suspend a device with an active child")
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Dave Gerlach <d-gerlach@ti.com>
Cc: Kevin Hilman <khilman@baylibre.com>
Cc: Nishanth Menon <nm@ti.com>
Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Tested-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2017-08-10 08:06:39 -07:00
Linus Torvalds
65f4740e72 ARM: SoC fixes for 4.13
This comes a bit later than I planned, and as a consequence is a larger
 than it should be.
 
 Most of the changes are devicetree fixes, across lots of platforms:
 Renesas, Samsung Exynos, Marvell EBU, TI OMAP, Rockchips, Amlogic Meson,
 Sigma Desings Tango, Allwinner SUNxi and TI Davinci.
 
 Also across many platforms, I applied an older series of simple randconfig
 build fixes. This includes making the CONFIG_MTD_XIP option compile again,
 which had been broken for many years and probably has not been missed, but
 it felt wrong to just remove it completely.
 
 The only other changes are:
 
  - We enable HWSPINLOCK in defconfig to get some Qualcomm boards
    to work out of the box.
 
  - A few regression fixes for Texas Instruments OMAP2+.
 
  - A boot regression fix for the Renesas regulator quirk.
 
  - A suspend/resume fix for Uniphier SoCs, fixing the resume of the
    system bus.
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Arnd Bergmann:
 "This comes a bit later than I planned, and as a consequence is a
  larger than it should be.

  Most of the changes are devicetree fixes, across lots of platforms:
  Renesas, Samsung Exynos, Marvell EBU, TI OMAP, Rockchips, Amlogic
  Meson, Sigma Desings Tango, Allwinner SUNxi and TI Davinci.

  Also across many platforms, I applied an older series of simple
  randconfig build fixes. This includes making the CONFIG_MTD_XIP option
  compile again, which had been broken for many years and probably has
  not been missed, but it felt wrong to just remove it completely.

  The only other changes are:

   - We enable HWSPINLOCK in defconfig to get some Qualcomm boards to
     work out of the box.

   - A few regression fixes for Texas Instruments OMAP2+.

   - A boot regression fix for the Renesas regulator quirk.

   - A suspend/resume fix for Uniphier SoCs, fixing the resume of the
     system bus"

* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (43 commits)
  ARM: dts: tango4: Request RGMII RX and TX clock delays
  bus: uniphier-system-bus: set up registers when resuming
  ARM64: dts: marvell: armada-37xx: Fix the number of GPIO on south bridge
  ARM: shmobile: rcar-gen2: Fix deadlock in regulator quirk
  arm64: defconfig: enable missing HWSPINLOCK
  ARM: pxa: select both FB and FB_W100 for eseries
  ARM: ixp4xx: fix ioport_unmap definition
  ARM: ep93xx: use ARM_PATCH_PHYS_VIRT correctly
  ARM: mmp: mark usb_dma_mask as __maybe_unused
  ARM: omap2: mark unused functions as __maybe_unused
  ARM: omap1: avoid unused variable warning
  ARM: sirf: mark sirfsoc_init_late as __maybe_unused
  ARM: ixp4xx: use normal prototype for {read,write}s{b,w,l}
  ARM: omap1/ams-delta: warn about failed regulator enable
  ARM: rpc: rename RAM_SIZE macro
  ARM: w90x900: normalize clk API
  ARM: ep93xx: normalize clk API
  ARM: dts: sun8i: a83t: Switch to CCU device tree binding macros
  arm64: allwinner: sun50i-a64: Correct emac register size
  ARM: dts: sunxi: h3/h5: Correct emac register size
  ...
2017-08-04 15:12:15 -07:00
Arnd Bergmann
293ea3d0ab ARM: omap2: mark unused functions as __maybe_unused
The omap_generic_init() and omap_hwmod_init_postsetup() functions are
used in the initialization for all OMAP2+ SoC types, but in the
extreme case that those are all disabled, we get a warning about
unused code:

arch/arm/mach-omap2/io.c:412:123: error: 'omap_hwmod_init_postsetup' defined but not used [-Werror=unused-function]
arch/arm/mach-omap2/board-generic.c:30:123: error: 'omap_generic_init' defined but not used [-Werror=unused-function]

This annotates both as __maybe_unused to shut up that warning.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Tony Lindgren <tony@atomide.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
2017-07-27 22:57:48 +02:00
Arnd Bergmann
d4e740053a Few fixes for omaps for issues found recently:
- Fix disable_irq related shared IRQ warnings for omap3 PRM
 
 - Fix omap4 legacy code regression that accidentally removed code that
   we still need for PRM interrupts
 
 - Fix dm8168-evm NAND pins and MMC write protect pin direction
 
 - Fix dra71-evm mdio impedance values
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Merge tag 'omap-for-v4.13/fixes-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes

Pull "Few fixes for omaps for issues found recently" from Tony Lindgren:

- Fix disable_irq related shared IRQ warnings for omap3 PRM

- Fix omap4 legacy code regression that accidentally removed code that
  we still need for PRM interrupts

- Fix dm8168-evm NAND pins and MMC write protect pin direction

- Fix dra71-evm mdio impedance values

* tag 'omap-for-v4.13/fixes-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: dts: dra71-evm: mdio: Fix impedance values
  ARM: dts: dm816x: Correct the state of the write protect pin
  ARM: dts: dm816x: Correct NAND support nodes
  ARM: OMAP4: Fix legacy code clean-up regression
  ARM: OMAP2+: Fix omap3 prm shared irq
2017-07-27 12:50:35 +02:00
Faiz Abbas
ba64792ff9 ARM: OMAP2+: hsmmc.c: Remove dead code
Most platforms using OMAP hsmmc driver have switched to device tree
for passing platform data to omap_hsmmc.c driver.

The hsmmc.c file in mach-omap2 exists only to support pandora board
which uses wl1251 driver in legacy platform data mode.

Hence, remove the dead code not used by the pandora board.

Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2017-07-17 15:04:47 +02:00
Linus Torvalds
8ca302e9c6 ARM: SoC platform updates
SoC platform changes (arch/arm/mach-*). This merge window, the bulk is
 for a few platforms:
 
 - Andres Färber adds initial support for the Actions Semi S500 (a.k.a.
   'owl') platform, a close relative of the S900 platform he adds for arm64.
 
 - in mach-omap2, we remove more legacy code
 
 - Rockchips gains support for the RV1108 SoC designed for camera
   applications.
 
 - For Atmel, we gain support for MMU-less SoCs (SAME70/V71/S70/V70)
 
 - Minor updates for other platforms, including davinci, s3c64xx,
   prima2, stm32, broadcom nsp, amlogic, pxa, imx and renesas
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC platform updates from Arnd Bergmann:
 "SoC platform changes (arch/arm/mach-*). This merge window, the bulk is
  for a few platforms:

   - Andres Färber adds initial support for the Actions Semi S500 (aka
     'owl') platform, a close relative of the S900 platform he adds for
     arm64.

   - in mach-omap2, we remove more legacy code

   - Rockchips gains support for the RV1108 SoC designed for camera
     applications.

   - For Atmel, we gain support for MMU-less SoCs (SAME70/V71/S70/V70)

   - Minor updates for other platforms, including davinci, s3c64xx,
     prima2, stm32, broadcom nsp, amlogic, pxa, imx and renesas"

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (74 commits)
  ARM: owl: smp: Drop bogus holding pen
  ARM: owl: Drop custom machine
  ARM: owl: smp: Implement SPS power-gating for CPU2 and CPU3
  soc: actions: owl-sps: Factor out owl_sps_set_pg() for power-gating
  soc: actions: Add Owl SPS
  dt-bindings: power: Add Owl SPS power domains
  MAINTAINERS: Update Actions Semi section with SPS
  ARM: owl: Implement CPU enable-method for S500
  MAINTAINERS: Add Actions Semi Owl section
  ARM: Prepare Actions Semi S500
  ARM: socfpga: Increase max number of GPIOs
  ARM: stm32: Introduce MACH_STM32F469 flag
  ARM: prima2: remove redundant select CPU_V7
  ARM: davinci: fix const warnings
  ARM: shmobile: pm-rmobile: Use GENPD_FLAG_ALWAYS_ON
  ARM: OMAP4: hwmod_data: add SHAM crypto accelerator
  ARM: OMAP4: hwmod data: add des
  ARM: OMAP4: hwmod data: add aes2
  ARM: OMAP4: hwmod data: add aes1
  ARM: pxa: Delete an error message for a failed memory allocation in pxa3xx_u2d_probe()
  ...
2017-07-04 14:34:51 -07:00
Linus Torvalds
362f6729cb USB/PHY patches for 4.13-rc1
Here is the big patchset of USB and PHY driver updates for 4.13-rc1.
 
 On the PHY side, they decided to move files around to "make things
 easier" in their tree.  Hopefully that wasn't a mistake, but in
 linux-next testing, we haven't had any reported problems.
 
 There's the usual set of gadget and xhci and musb updates in here as
 well, along with a number of smaller updates for a raft of different USB
 drivers.  Full details in the shortlog, nothing really major.
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB/PHY updates from Greg KH:
 "Here is the big patchset of USB and PHY driver updates for 4.13-rc1.

  On the PHY side, they decided to move files around to "make things
  easier" in their tree. Hopefully that wasn't a mistake, but in
  linux-next testing, we haven't had any reported problems.

  There's the usual set of gadget and xhci and musb updates in here as
  well, along with a number of smaller updates for a raft of different
  USB drivers. Full details in the shortlog, nothing really major.

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'usb-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (173 commits)
  Add USB quirk for HVR-950q to avoid intermittent device resets
  USB hub_probe: rework ugly goto-into-compound-statement
  usb: host: ohci-pxa27x: Handle return value of clk_prepare_enable
  USB: serial: cp210x: add ID for CEL EM3588 USB ZigBee stick
  usbip: Fix uninitialized variable bug in vhci
  usb: core: read USB ports from DT in the usbport LED trigger driver
  dt-bindings: leds: document new trigger-sources property
  usb: typec: ucsi: Add ACPI driver
  usb: typec: Add support for UCSI interface
  usb: musb: compress return logic into one line
  USB: serial: propagate late probe errors
  USB: serial: refactor port endpoint setup
  usb: musb: tusb6010_omap: Convert to DMAengine API
  ARM: OMAP2+: DMA: Add slave map entries for 24xx external request lines
  usb: musb: tusb6010: Handle DMA TX completion in DMA callback as well
  usb: musb: tusb6010_omap: Allocate DMA channels upfront
  usb: musb: tusb6010_omap: Create new struct for DMA data/parameters
  usb: musb: tusb6010_omap: Use one musb_ep_select call in tusb_omap_dma_program
  usb: musb: tusb6010: Add MUSB_G_NO_SKB_RESERVE to quirks
  usb: musb: Add quirk to avoid skb reserve in gadget mode
  ...
2017-07-03 19:30:55 -07:00
Tony Lindgren
c5b3955828 ARM: OMAP4: Fix legacy code clean-up regression
Commit 2a26d31b1b ("ARM: OMAP2+: Remove unused legacy code for PRM")
removed PRM platform init code that I thought is unused. Turns out omap4
still needs this code, so let's do a partial revert to add it back.

I probably missed this earlier as the comments used to say
"OMAP4+ is DT only now" for !of_have_populated_dt() to exit early and
missed the negative test. Let's not add those lines back as they are
confusing and no longer needed as we only boot in device tree mode.

Without things things can mysterious fail for i2c, for example LM75
I2C temperature sensor can stop working as the PRM interrupts won't work.

Fixes: 2a26d31b1b ("ARM: OMAP2+: Remove unused legacy code for PRM")
Signed-off-by: Tony Lindgren <tony@atomide.com>
2017-06-30 03:37:03 -07:00
Tony Lindgren
324dd7a6ac ARM: OMAP2+: Fix omap3 prm shared irq
Shared interrupts with IRQ_NOAUTOEN got a warning added with commit
04c848d398 ("genirq: Warn when IRQ_NOAUTOEN is used with shared
interrupts").

Let's just drop the IRQ_NOAUTOEN use for omap3 PRM shared interrupt as
it does not seem to cause any other issues based on my testing. We have
moved a lot of the code to initialize later, and whatever problems the
legacy booting had seem to be gone now with pinctrl driver and device
tree based booting.

Otherwise we will get:

WARNING: CPU: 0 PID: 1 at kernel/irq/manage.c:1348 __setup_irq+0x5d0/0x64c
[<c01b0260>] (__setup_irq) from [<c01b0480>]
(request_threaded_irq+0xdc/0x188)
[<c01b0480>] (request_threaded_irq) from [<c051c780>]
(pcs_probe+0x6ec/0x8a4)
[<c051c780>] (pcs_probe) from [<c05a84b8>] (platform_drv_probe+0x50/0xb0)
[<c05a84b8>] (platform_drv_probe) from [<c05a6288>]
(driver_probe_device+0x33c/0x478)

Note that we also need to remove the related enable_irq() to avoid
getting the following:

WARNING: CPU: 0 PID: 1 at kernel/irq/manage.c:529 enable_irq+0x34/0x70
[<c01afa04>] (enable_irq) from [<c0c0f1fc>] (omap3_pm_init+0x118/0x3f8)
[<c0c0f1fc>] (omap3_pm_init) from [<c0c0ae7c>] (am35xx_init_late+0x10/0x18)

Cc: Kevin Hilman <khilman@baylibre.com>
Cc: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2017-06-29 23:30:18 -07:00
Peter Ujfalusi
868772d89d ARM: OMAP2+: DMA: Add slave map entries for 24xx external request lines
The external request lines are used by tusb6010 on OMAP24xx platforms.
Update the map so the driver can use dmaengine API to request the DMA
channel. At the same time add temporary map containing only the external
DMA request numbers for DT booted case on omap24xx since the tusb6010 stack
is not yet supports DT boot.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Bin Liu <b-liu@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-06-20 11:45:01 +08:00
Olof Johansson
2b1ee3061f SoC changes for omap variants for v4.13 merge window:
- PM clean-up in preparation of adding am335x/am437x PM support
 
 - Fixes for issues found by Coccinelle
 
 - Legacy code removal now that everything boots in device
   tree only mode
 
 - Interconnect changes in preparation of moving clkctrl clocks
   to be managed by clkctrl clock driver
 
 - Interconnect changes to add omap4 crypto acceclerator
   support
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Merge tag 'omap-for-v4.13/soc-v4-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc

SoC changes for omap variants for v4.13 merge window:

- PM clean-up in preparation of adding am335x/am437x PM support

- Fixes for issues found by Coccinelle

- Legacy code removal now that everything boots in device
  tree only mode

- Interconnect changes in preparation of moving clkctrl clocks
  to be managed by clkctrl clock driver

- Interconnect changes to add omap4 crypto acceclerator
  support

* tag 'omap-for-v4.13/soc-v4-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (27 commits)
  ARM: OMAP4: hwmod_data: add SHAM crypto accelerator
  ARM: OMAP4: hwmod data: add des
  ARM: OMAP4: hwmod data: add aes2
  ARM: OMAP4: hwmod data: add aes1
  ARM: OMAP2+: Remove unused legacy code for n8x0
  ARM: OMAP2+: Remove unused legacy code for watchdog
  ARM: OMAP2+: Remove unused legacy code for interconnects
  ARM: OMAP2+: Remove unused legacy code for PRM
  ARM: OMAP2+: Remove unused legacy code for io.c
  ARM: OMAP2+: Remove unused legacy code for McBSP
  ARM: OMAP2+: SmartReflex: Delete an error message for a failed memory allocation in two functions
  ARM: OMAP2+: Use kcalloc() in sr_set_nvalues()
  ARM: OMAP2+: Improve a size determination in sr_dev_init()
  ARM: OMAP2+: Delete an error message for a failed memory allocation in two functions
  ARM: OMAP2+: Remove unused legacy code for device init
  ARM: OMAP2+: Remove unused legacy code for PMU
  ARM: OMAP2+: Remove unused legacy code for opp
  ARM: OMAP2+: hwmod: populate clkctrl clocks for hwmods if available
  ARM: OMAP4: cminst: add support for clkdm_xlate_address
  ARM: omap2+: clockdomain: add clkdm_xlate_address
  ...

Signed-off-by: Olof Johansson <olof@lixom.net>
2017-06-18 20:46:30 -07:00
Daniel Lezcano
ba5d08c0ea clocksource/drivers: Rename clocksource_probe to timer_probe
The function name is now renamed to 'timer_probe' for consistency with
the CLOCKSOURCE_OF_DECLARE => TIMER_OF_DECLARE change.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
2017-06-14 11:59:16 +02:00
Tero Kristo
1df5eaa6bc ARM: OMAP4: hwmod_data: add SHAM crypto accelerator
OMAP4 SoC contains SHAM crypto hardware accelerator. Add hwmod data for
this IP so that it can be utilized by crypto frameworks.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2017-06-14 00:53:51 -07:00
Sebastian Reichel
ebea90df78 ARM: OMAP4: hwmod data: add des
This fixes the following error during kernel boot:

platform 480a5000.des: Cannot lookup hwmod 'des'

Unfortunately the DES module is only documented partly
in the OMAP4430 TRM. I found an old patch from Joel,
which I took over and updated for currently mainline.

Signed-off-by: Joel Fernandes <joelf@ti.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Acked-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2017-06-14 00:52:57 -07:00
Sebastian Reichel
478523dd03 ARM: OMAP4: hwmod data: add aes2
This adds the hwmod entry for the second AES module
available on OMAP4.

Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Acked-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2017-06-14 00:52:38 -07:00
Sebastian Reichel
9a9ded89ad ARM: OMAP4: hwmod data: add aes1
This fixes the following error during kernel boot:

platform 4b501000.aes: Cannot lookup hwmod 'aes1'

Unfortunately the AES module is only documented partly
in the OMAP4430 TRM. I found an old patch from Joel,
which I took over and updated for currently mainline.

Signed-off-by: Joel Fernandes <joelf@ti.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Acked-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2017-06-14 00:51:35 -07:00
Tony Lindgren
67d00470ac Merge branch 'omap-for-v4.13/clkctrl' into omap-for-v4.13/soc-v4 2017-06-12 03:27:30 -07:00
Tony Lindgren
018b732458 Merge branch 'omap-for-v4.13/legacy-v2' into omap-for-v4.13/soc-v3 2017-06-12 00:07:44 -07:00
Tony Lindgren
0e78b1218d ARM: OMAP2+: Remove unused legacy code for n8x0
We are now booting all mach-omap2 in device tree only mode.
Any code that is only called in legacy boot mode where
of_have_populated_dt() is not set is safe to remove now.

Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
[tony@atomide.com: left out probe changes to avoid merge conflict]
Signed-off-by: Tony Lindgren <tony@atomide.com>
2017-06-08 04:15:10 -07:00