Commit Graph

3 Commits

Author SHA1 Message Date
Krzysztof Kozlowski
77706838f8 soc: qcom: mention intentionally broken module autoloading
Qualcomm PMIC ChargerPD ULOG and RPM Master Statistics drivers are
solely for debugging purposes and should not be autoloaded as modules.
Add comments to annotate missing MODULE_DEVICE_TABLE.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20240410184522.271889-1-krzk@kernel.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2024-04-21 11:22:11 -05:00
Andrew Halaney
fbfd1f55ad soc: qcom: pmic_pdcharger_ulog: Fix hypothetical ulog request message endianess
Sparse reports the following:

    % ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- make C=2 W=1 drivers/soc/qcom/pmic_pdcharger_ulog.o
    ...
      CC      drivers/soc/qcom/pmic_pdcharger_ulog.o
      CHECK   drivers/soc/qcom/pmic_pdcharger_ulog.c
    drivers/soc/qcom/pmic_pdcharger_ulog.c:57:34: warning: incorrect type in initializer (different base types)
    drivers/soc/qcom/pmic_pdcharger_ulog.c:57:34:    expected restricted __le32 [usertype] owner
    drivers/soc/qcom/pmic_pdcharger_ulog.c:57:34:    got int
    drivers/soc/qcom/pmic_pdcharger_ulog.c:58:33: warning: incorrect type in initializer (different base types)
    drivers/soc/qcom/pmic_pdcharger_ulog.c:58:33:    expected restricted __le32 [usertype] type
    drivers/soc/qcom/pmic_pdcharger_ulog.c:58:33:    got int
    drivers/soc/qcom/pmic_pdcharger_ulog.c:59:35: warning: incorrect type in initializer (different base types)
    drivers/soc/qcom/pmic_pdcharger_ulog.c:59:35:    expected restricted __le32 [usertype] opcode
    drivers/soc/qcom/pmic_pdcharger_ulog.c:59:35:    got int

Let's deal with endianness conversion in the rare case this ever runs
on a big-endian machine (and to quiet down sparse for this file).

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202312060355.M0eJtq4X-lkp@intel.com/
Fixes: 086fdb48bc ("soc: qcom: add ADSP PDCharger ULOG driver")
Signed-off-by: Andrew Halaney <ahalaney@redhat.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20231205-pmicpdcharger-ulog-fixups-v1-3-71c95162cb84@redhat.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2023-12-15 23:17:27 -06:00
Neil Armstrong
086fdb48bc soc: qcom: add ADSP PDCharger ULOG driver
The Qualcomm PMIC PDCharger ULOG driver provides access to logs of
the ADSP firmware PDCharger module in charge of Battery and Power
Delivery on modern systems.

Implement trace events as a simple rpmsg driver with an 1s interval
to retrieve the messages.

The interface allows filtering the messages by subsystem and priority
level, this could be implemented later on.

Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Tested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20230908-topic-sm8550-upstream-pdcharge-ulog-v1-1-d1b16b02ced2@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
2023-11-14 11:06:24 -06:00