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This patch fixes the following sparse warnings:
drivers/thermal/qcom/tsens-v1.c:24:40: sparse: warning: symbol 'tsens_qcs404_nvmem' was not declared. Should it be static?
drivers/thermal/qcom/tsens-v0_1.c:26:40: sparse: warning: symbol 'tsens_8916_nvmem' was not declared. Should it be static?
drivers/thermal/qcom/tsens-v0_1.c:42:40: sparse: warning: symbol 'tsens_8974_nvmem' was not declared. Should it be static?
drivers/thermal/qcom/tsens-v0_1.c:64:40: sparse: warning: symbol 'tsens_8974_backup_nvmem' was not declared. Should it be static?
No functional change intended.
Signed-off-by: Min-Hua Chen <minhuadotchen@gmail.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20230713160415.149381-1-minhuadotchen@gmail.com
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The old single-cell parsing code was removed for MSM8939, MDM9607 and
MSM8976 but for some reason the structs defining the bit positions etc
were kept around (unused). Drop them now.
Cc: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Fixes: 51d78b8b1beb ("thermal/drivers/tsens: Drop single-cell code for mdm9607")
Fixes: dfadb4599ab0 ("thermal/drivers/tsens: Drop single-cell code for msm8939")
Fixes: 3a908971f7cb ("thermal/drivers/tsens: Drop single-cell code for msm8976/msm8956")
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Stephan Gerhold <stephan.gerhold@kernkonzept.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20230508-msm8909-tsens-v5-1-5eb632235ba7@kernkonzept.com
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There is no dtsi file for msm8976 in the kernel sources. Drop the
compatibility with unofficial dtsi and remove support for handling the
single-cell calibration data on msm8976.
Cc: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230101194034.831222-15-dmitry.baryshkov@linaro.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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Rework existing calibration parsing code to use simple data structure
describing data layout. This allows us to drop all the mask & shift
values, replacing them with data tables.
The code for msm8974 is not reworked, as it has separate calibration and
backup data.
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20230101194034.831222-12-dmitry.baryshkov@linaro.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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Add a unified function using nvmem cells for parsing the calibration
data rather than parsing the calibration blob manually.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20230101194034.831222-10-dmitry.baryshkov@linaro.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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Tsens driver mentions that msm8976 data should be used for both msm8976
and msm8956 SoCs. This is not quite correct, as according to the
vendor kernels, msm8976 should use standard slope values (3200), while
msm8956 really uses the slope values found in the driver.
Add separate compatibility string for msm8956, move slope value
overrides to the corresponding init function and use the standard
compute_intercept_slope() function for both platforms.
Fixes: 0e580290170d ("thermal: qcom: tsens-v1: Add support for MSM8956 and MSM8976")
Cc: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20230101194034.831222-7-dmitry.baryshkov@linaro.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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Drop msm8976-specific defines, which duplicate generic ones.
Fixes: 0e580290170d ("thermal: qcom: tsens-v1: Add support for MSM8956 and MSM8976")
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20230101194034.831222-6-dmitry.baryshkov@linaro.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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The tsens driver defaults to using hw_id equal to the index of the
sensor. Thus it is superfluous to declare such hw_id arrays. Drop such
arrays from mdm9607 and msm8976 data.
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20230101194034.831222-5-dmitry.baryshkov@linaro.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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IPQ8074 and IPQ6018 dont support negative trip temperatures and support
up to 204 degrees C as the max trip temperature.
So, instead of always setting the -40 as min and 120 degrees C as max
allow it to be configured as part of the features.
Signed-off-by: Robert Marko <robimarko@gmail.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220818220245.338396-3-robimarko@gmail.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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Despite using tsens v2.3 IP, IPQ8074 and IPQ6018 only have one IRQ for
signaling both up/low and critical trips.
Signed-off-by: Robert Marko <robimarko@gmail.com>
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20220818220245.338396-2-robimarko@gmail.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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The sensor *is* in fact used and does report temperature.
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
Acked-by: Thara Gopinath <thara.gopinath@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20210225213119.116550-1-konrad.dybcio@somainline.org
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Replace the existing /* fall through */ comments and its variants with
the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary
fall-through markings when it is the case.
[1] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
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struct tsens_features is currently initialized as part of platform data
at compile-time and not modifiable. We now have some usecases in feature
detection across IP versions where it is more flexible to update the
features after probing registers.
Remove const qualifier from tsens_features and the encapsulating
tsens_plat_data.
Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/2919a72220470366ae11e0bb5330a4ea39838f71.1584015867.git.amit.kucheria@linaro.org
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Currently the kfree of pointer qfprom_cdata is kfreeing an
error value that has been cast to a pointer rather than a
valid address. Fix this by removing the kfree.
Fixes: 95ededc17e4e ("thermal: qcom: tsens-v1: Add support for MSM8956 and MSM8976")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Tested-by: AngeloGioacchino Del Regno <kholk11@gmail.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20191022111806.23143-1-colin.king@canonical.com
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Add support for reading calibrated value from thermistors in
MSM8956, MSM8976 and their APQ variants.
Signed-off-by: AngeloGioacchino Del Regno <kholk11@gmail.com>
Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20191005104133.30297-2-kholk11@gmail.com
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Depending on the IP version, TSENS supports upper, lower and critical
threshold interrupts. We only add support for upper and lower threshold
interrupts for now.
TSENSv2 has an irq [status|clear|mask] bit tuple for each sensor while
earlier versions only have a single bit per sensor to denote status and
clear. These differences are handled transparently by the interrupt
handler. At each interrupt, we reprogram the new upper and lower threshold
in the .set_trip callback.
Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/7508ba143f144407e5dd546107ddae65c380a76f.1572526427.git.amit.kucheria@linaro.org
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memory returned as part of nvmem_read via qfprom_read should be
freed by the consumer once done.
Existing code is not doing it so fix it.
Below memory leak detected by kmemleak
[<ffffff80088b7658>] kmemleak_alloc+0x50/0x84
[<ffffff80081df120>] __kmalloc+0xe8/0x168
[<ffffff80086db350>] nvmem_cell_read+0x30/0x80
[<ffffff8008632790>] qfprom_read+0x4c/0x7c
[<ffffff80086335a4>] calibrate_v1+0x34/0x204
[<ffffff8008632518>] tsens_probe+0x164/0x258
[<ffffff80084e0a1c>] platform_drv_probe+0x80/0xa0
[<ffffff80084de4f4>] really_probe+0x208/0x248
[<ffffff80084de2c4>] driver_probe_device+0x98/0xc0
[<ffffff80084dec54>] __device_attach_driver+0x9c/0xac
[<ffffff80084dca74>] bus_for_each_drv+0x60/0x8c
[<ffffff80084de634>] __device_attach+0x8c/0x100
[<ffffff80084de6c8>] device_initial_probe+0x20/0x28
[<ffffff80084dcbb8>] bus_probe_device+0x34/0x7c
[<ffffff80084deb08>] deferred_probe_work_func+0x6c/0x98
[<ffffff80080c3da8>] process_one_work+0x160/0x2f8
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Acked-by: Amit Kucheria <amit.kucheria@linaro.org>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
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qcs404 has a single TSENS IP block with 10 sensors. It uses version 1.4
of the TSENS IP, functionality for which is encapsulated inside the
qcom,tsens-v1 compatible.
Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
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