The ACV BCM is voted using bitmasks. Add the proper mask for this
target.
Fixes: 9f19677284 ("interconnect: qcom: Add X1E80100 interconnect provider driver")
Signed-off-by: Mike Tipton <quic_mdtipton@quicinc.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Tested-by: Abel Vesa <abel.vesa@linaro.org>
Link: https://lore.kernel.org/r/20240202014806.7876-3-quic_mdtipton@quicinc.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
The ACV enable_mask is historically BIT(3), but it's BIT(0) on this
target. Fix it.
Fixes: c062bcab59 ("interconnect: qcom: introduce RPMh Network-On-Chip Interconnect on SM8650 SoC")
Signed-off-by: Mike Tipton <quic_mdtipton@quicinc.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20240202014806.7876-2-quic_mdtipton@quicinc.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
To ensure the interconnect votes are actually meaningful and in order to
prevent holding all buses at FMAX, introduce the sync state callback.
Fixes: e6f0d6a30f ("interconnect: qcom: Add SM8550 interconnect provider driver")
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20231218-topic-8550_fixes-v1-2-ce1272d77540@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
The CO0 BCM needs to be up at all times, otherwise some hardware (like
the UFS controller) loses its connection to the rest of the SoC,
resulting in a hang of the platform, accompanied by a spectacular
logspam.
Mark it as keepalive to prevent such cases.
Fixes: 9c8c6bac1a ("interconnect: qcom: Add SC8180x providers")
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20231214-topic-sc8180_fixes-v1-1-421904863006@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
Here is the big set of char/misc and other driver subsystem changes for
6.8-rc1. Lots of stuff in here, but first off, you will get a merge
conflict in drivers/android/binder_alloc.c when merging this tree due to
changing coming in through the -mm tree.
The resolution of the merge issue can be found here:
https://lore.kernel.org/r/20231207134213.25631ae9@canb.auug.org.au
or in a simpler patch form in that thread:
https://lore.kernel.org/r/ZXHzooF07LfQQYiE@google.com
If there are issues with the merge of this file, please let me know.
Other than lots of binder driver changes (as you can see by the merge
conflicts) included in here are:
- lots of iio driver updates and additions
- spmi driver updates
- eeprom driver updates
- firmware driver updates
- ocxl driver updates
- mhi driver updates
- w1 driver updates
- nvmem driver updates
- coresight driver updates
- platform driver remove callback api changes
- tags.sh script updates
- bus_type constant marking cleanups
- lots of other small driver updates
All of these have been in linux-next for a while with no reported issues
(other than the binder merge conflict.)
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc and other driver updates from Greg KH:
"Here is the big set of char/misc and other driver subsystem changes
for 6.8-rc1.
Other than lots of binder driver changes (as you can see by the merge
conflicts) included in here are:
- lots of iio driver updates and additions
- spmi driver updates
- eeprom driver updates
- firmware driver updates
- ocxl driver updates
- mhi driver updates
- w1 driver updates
- nvmem driver updates
- coresight driver updates
- platform driver remove callback api changes
- tags.sh script updates
- bus_type constant marking cleanups
- lots of other small driver updates
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (341 commits)
android: removed duplicate linux/errno
uio: Fix use-after-free in uio_open
drivers: soc: xilinx: add check for platform
firmware: xilinx: Export function to use in other module
scripts/tags.sh: remove find_sources
scripts/tags.sh: use -n to test archinclude
scripts/tags.sh: add local annotation
scripts/tags.sh: use more portable -path instead of -wholename
scripts/tags.sh: Update comment (addition of gtags)
firmware: zynqmp: Convert to platform remove callback returning void
firmware: turris-mox-rwtm: Convert to platform remove callback returning void
firmware: stratix10-svc: Convert to platform remove callback returning void
firmware: stratix10-rsu: Convert to platform remove callback returning void
firmware: raspberrypi: Convert to platform remove callback returning void
firmware: qemu_fw_cfg: Convert to platform remove callback returning void
firmware: mtk-adsp-ipc: Convert to platform remove callback returning void
firmware: imx-dsp: Convert to platform remove callback returning void
firmware: coreboot_table: Convert to platform remove callback returning void
firmware: arm_scpi: Convert to platform remove callback returning void
firmware: arm_scmi: Convert to platform remove callback returning void
...
Remove some unnecessary includes and get rid of the abusive of_platform
in favor of the correct headers.
Reported-by: Rob Herring <robh+dt@kernel.org>
Reported-by: Georgi Djakov <djakov@kernel.org>
Fixes: 2eab57b131 ("interconnect: qcom: Add SM6115 interconnect provider driver")
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20231214-topic-6115iccfix-v1-1-9ad999683a7d@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
Per the commit message of commit 'dd014803f260 ("interconnect: qcom:
icc-rpm: Add AB/IB calculations coefficients")', the peak rate should be
100/ib_percent. But, in what looks like a typical typo, the numerator
value is discarded in the calculation.
Update the implementation to match the described intention.
Fixes: dd014803f2 ("interconnect: qcom: icc-rpm: Add AB/IB calculations coefficients")
Cc: stable@vger.kernel.org
Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20231205-qcom_icc_calc_rate-typo-v1-1-9d4378dcf53e@quicinc.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
Add the generic icc sync_state callback to ensure interconnect votes
are taken into account, instead of being pegged at maximum values.
Fixes: b95b668eaa ("interconnect: qcom: icc-rpmh: Add BCMs to commit list in pre_aggregate")
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20231130-topic-8250icc_syncstate-v1-1-7ce78ba6e04c@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
* icc-x1e80100
dt-bindings: interconnect: document the RPMh Network-On-Chip Interconnect in Qualcomm SM8650 SoC
interconnect: qcom: introduce RPMh Network-On-Chip Interconnect on SM8650 SoC
dt-bindings: interconnect: qcom-bwmon: document SM8650 BWMONs
This series adds interconnect support for the Qualcomm X1E80100 platform,
aka Snapdragon X Elite.
Our v1 post of the patchsets adding support for Snapdragon X Elite SoC had
the part number sc8380xp which is now updated to the new part number x1e80100
based on the new branding scheme and refers to the exact same SoC.
Release Link: https://www.qualcomm.com/news/releases/2023/10/qualcomm-unleashes-snapdragon-x-elite--the-ai-super-charged-plat
Link: https://lore.kernel.org/r/20231123135028.29433-1-quic_sibis@quicinc.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
Add driver for the Qualcomm interconnect buses found in X1E80100 based
platforms. The topology consists of several NoCs that are controlled by
a remote processor that collects the aggregated bandwidth for each
master-slave pairs.
Co-developed-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Rajendra Nayak <quic_rjendra@quicinc.com>
Co-developed-by: Sibi Sankar <quic_sibis@quicinc.com>
Signed-off-by: Sibi Sankar <quic_sibis@quicinc.com>
Link: https://lore.kernel.org/r/20231123135028.29433-3-quic_sibis@quicinc.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
* icc-platform-remove
interconnect: qcom: Make qnoc_remove return void
interconnect: imx8mm: Convert to platform remove callback returning void
interconnect: imx8mn: Convert to platform remove callback returning void
interconnect: imx8mp: Convert to platform remove callback returning void
interconnect: imx8mq: Convert to platform remove callback returning void
interconnect: qcom/msm8974: Convert to platform remove callback returning void
interconnect: qcom/osm-l3: Convert to platform remove callback returning void
interconnect: qcom/smd-rpm: Convert to platform remove callback returning void
interconnect: exynos: Convert to platform remove callback returning void
This series converts all platform drivers below drivers/interconnect to
use .remove_new(). Compared to the traditional .remove() callback
.remove_new() returns no value. This is a good thing because the driver
core doesn't (and cannot) cope for errors during remove. The only effect
of a non-zero return value in .remove() is that the driver core emits a
warning. The device is removed anyhow and an early return from .remove()
usually yields resource leaks and/or use-after-free bugs.
See commit 5c5a7680e6 ("platform: Provide a remove callback that
returns no value") for an extended explanation and the eventual goal.
All drivers converted here already returned zero unconditionally in
.remove(), so they are converted here trivially. The imx drivers could
be slightly simplified, because the remove callback only called a single
function with the same prototype as .remove_new().
Link: https://lore.kernel.org/r/20231031222851.3126434-11-u.kleine-koenig@pengutronix.de
Signed-off-by: Georgi Djakov <djakov@kernel.org>
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20231031222851.3126434-20-u.kleine-koenig@pengutronix.de
Signed-off-by: Georgi Djakov <djakov@kernel.org>
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20231031222851.3126434-19-u.kleine-koenig@pengutronix.de
Signed-off-by: Georgi Djakov <djakov@kernel.org>
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20231031222851.3126434-18-u.kleine-koenig@pengutronix.de
Signed-off-by: Georgi Djakov <djakov@kernel.org>
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20231031222851.3126434-17-u.kleine-koenig@pengutronix.de
Signed-off-by: Georgi Djakov <djakov@kernel.org>
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20231031222851.3126434-16-u.kleine-koenig@pengutronix.de
Signed-off-by: Georgi Djakov <djakov@kernel.org>
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20231031222851.3126434-15-u.kleine-koenig@pengutronix.de
Signed-off-by: Georgi Djakov <djakov@kernel.org>
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20231031222851.3126434-14-u.kleine-koenig@pengutronix.de
Signed-off-by: Georgi Djakov <djakov@kernel.org>
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20231031222851.3126434-13-u.kleine-koenig@pengutronix.de
Signed-off-by: Georgi Djakov <djakov@kernel.org>
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Several interconnect/qcom drivers use qnoc_remove() as remove callback.
Make this function return void (instead of unconditionally zero) and
adapt the drivers using this function accordingly.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20231031222851.3126434-12-u.kleine-koenig@pengutronix.de
Signed-off-by: Georgi Djakov <djakov@kernel.org>
Currently, if provider->xlate() or provider->xlate_extended()
"successfully" return a NULL node, then of_icc_get_from_provider() won't
consider that an error and will successfully return the NULL node. This
bypasses error handling in of_icc_get_by_index() and leads to NULL
dereferences in path_find().
This could be avoided by ensuring provider callbacks always return an
error for NULL nodes, but it's better to explicitly protect against this
in the common framework.
Fixes: 87e3031b6f ("interconnect: Allow endpoints translation via DT")
Signed-off-by: Mike Tipton <quic_mdtipton@quicinc.com>
Link: https://lore.kernel.org/r/20231025145829.11603-1-quic_mdtipton@quicinc.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new() which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Several drivers use qcom_icc_rpmh_remove() as remove callback which
returns zero unconditionally. Make it return void and use .remove_new in
the drivers. There is no change in behaviour.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20231015135955.1537751-2-u.kleine-koenig@pengutronix.de
Signed-off-by: Georgi Djakov <djakov@kernel.org>
* icc-misc
interconnect: imx: Replace custom implementation of COUNT_ARGS()
interconnect: msm8974: Replace custom implementation of COUNT_ARGS()
interconnect: qcom: osm-l3: Replace custom implementation of COUNT_ARGS()
interconnect: fix error handling in qnoc_probe()
interconnect: imx: Replace inclusion of kernel.h in the header
dt-bindings: interconnect: qcom,rpmh: do not require reg on SDX65 MC virt
Signed-off-by: Georgi Djakov <djakov@kernel.org>
Add missing clk_disable_unprepare() and clk_bulk_disable_unprepare()
in the error path in qnoc_probe(). And when qcom_icc_qos_set() fails,
it needs remove nodes and disable clks.
Fixes: 2e2113c8a6 ("interconnect: qcom: rpm: Handle interface clocks")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20230803130521.959487-1-yangyingliang@huawei.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
Add interconnect driver support for SDX75 platform.
* icc-sdx75
dt-bindings: interconnect: Add compatibles for SDX75
interconnect: qcom: Add SDX75 interconnect provider driver
Link: https://lore.kernel.org/r/1694614256-24109-1-git-send-email-quic_rohiagar@quicinc.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>anter a commit message to explain why this merge is necessary,
ACV expects an enable_mask corresponding to the APPS RSC, fill it in.
Fixes: d26a566744 ("interconnect: qcom: Add SM8350 interconnect provider driver")
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20230811-topic-acv-v2-11-765ad70e539a@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
ACV expects an enable_mask corresponding to the APPS RSC, fill it in.
Fixes: 6df5b34949 ("interconnect: qcom: Add SM8250 interconnect provider driver")
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20230811-topic-acv-v2-10-765ad70e539a@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
ACV expects an enable_mask corresponding to the APPS RSC, fill it in.
Fixes: a09b817c8b ("interconnect: qcom: Add SM8150 interconnect provider driver")
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20230811-topic-acv-v2-9-765ad70e539a@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
ACV expects an enable_mask corresponding to the APPS RSC, fill it in.
Fixes: b5d2f74107 ("interconnect: qcom: Add sdm845 interconnect provider driver")
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20230811-topic-acv-v2-7-765ad70e539a@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
ACV expects an enable_mask corresponding to the APPS RSC, fill it in.
Fixes: 46bdcac533 ("interconnect: qcom: Add SC7280 interconnect provider driver")
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20230811-topic-acv-v2-3-765ad70e539a@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
ACV expects an enable_mask corresponding to the APPS RSC, fill it in.
Fixes: 2d1f95ab9f ("interconnect: qcom: Add SC7180 interconnect provider driver")
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20230811-topic-acv-v2-2-765ad70e539a@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
ACV expects an enable_mask corresponding to the APPS RSC, fill it in.
Fixes: 1f51339f7d ("interconnect: qcom: Add QDU1000/QRU1000 interconnect driver")
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20230811-topic-acv-v2-1-765ad70e539a@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
QCM2290 can support two memory configurations: single-channel, 32-bit
wide LPDDR3 @ up to 933MHz (bus clock) or dual-channel, 16-bit wide
LPDDR4X @ up to 1804 MHz. The interconnect driver in its current form
seems to gravitate towards the first one, however there are no LPDDR3-
equipped boards upstream and we still don't have a great way to discern
the DDR generations on the kernel side.
To make DDR scaling possible on the only currently-supported 2290
board, stick with the LPDDR4X config by default. The side effect on any
potential LPDDR3 board would be that the requested bus clock rate is
too high (but still capped to the firmware-configured FMAX).
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20230726-topic-icc_coeff-v4-7-c04b60caa467@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
Mike Tipton