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For !OF builds, the qcom_scm_qseecom_allowlist is unused:
drivers/firmware/qcom/qcom_scm.c:1652:34: error: ‘qcom_scm_qseecom_allowlist’ defined but not used [-Werror=unused-const-variable=]
Fixes: 00b1248606ba ("firmware: qcom_scm: Add support for Qualcomm Secure Execution Environment SCM interface")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202311191654.S4wlVUrz-lkp@intel.com/
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Maximilian Luz <luzmaximilian@gmail.com>
Link: https://lore.kernel.org/r/20231120185623.338608-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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Since the qcom_scm_probe() function returns with an error if
__scm->path contains an error pointer, it is not needed to
verify that again in the qcom_scm_bw_{en,dis}able() functions
so remove the superfluous IS_ERR() checks.
Signed-off-by: Gabor Juhos <j4g8y7@gmail.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240308-qcom_scm-is_err-check-v1-1-9c3e1ceefafe@gmail.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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There are several functions which are calling qcom_scm_bw_enable()
then returns immediately if the call fails and leaves the clocks
enabled.
Change the code of these functions to disable clocks when the
qcom_scm_bw_enable() call fails. This also fixes a possible dma
buffer leak in the qcom_scm_pas_init_image() function.
Compile tested only due to lack of hardware with interconnect
support.
Cc: stable@vger.kernel.org
Fixes: 65b7ebda5028 ("firmware: qcom_scm: Add bw voting support to the SCM interface")
Signed-off-by: Gabor Juhos <j4g8y7@gmail.com>
Reviewed-by: Mukesh Ojha <quic_mojha@quicinc.com>
Link: https://lore.kernel.org/r/20240304-qcom-scm-disable-clk-v1-1-b36e51577ca1@gmail.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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Fix instances of returning error codes directly instead of jumping to
the relevant labels where memory allocated for the SCM calls would be
freed.
Fixes: 759e7a2b62eb ("firmware: Add support for Qualcomm UEFI Secure Application")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <error27@gmail.com>
Closes: https://lore.kernel.org/r/202311270828.k4HGcjiL-lkp@intel.com/
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Maximilian Luz <luzmaximilian@gmail.com>
Tested-by: Deepti Jaggi <quic_djaggi@quicinc.com> #sa8775p-ride
Link: https://lore.kernel.org/r/20231127141600.20929-2-brgl@bgdev.pl
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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'extern' specifiers do nothing for function declarations. Remove them
from the private qcom-scm header.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Andrew Halaney <ahalaney@redhat.com>
Tested-by: Andrew Halaney <ahalaney@redhat.com> # sc8280xp-lenovo-thinkpad-x13s
Link: https://lore.kernel.org/r/20231017092732.19983-4-brgl@bgdev.pl
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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We reference struct device in the private scm header but we neither
include linux/device.h nor forward declare it. Fix it.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Andrew Halaney <ahalaney@redhat.com>
Tested-by: Andrew Halaney <ahalaney@redhat.com> # sc8280xp-lenovo-thinkpad-x13s
Link: https://lore.kernel.org/r/20231017092732.19983-3-brgl@bgdev.pl
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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We're getting more and more qcom specific .c files in drivers/firmware/
and about to get even more. Create a separate directory for Qualcomm
firmware drivers and move existing sources in there.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Acked-by: Elliot Berman <quic_eberman@quicinc.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Maximilian Luz <luzmaximilian@gmail.com>
Tested-by: Andrew Halaney <ahalaney@redhat.com> # sc8280xp-lenovo-thinkpad-x13s
Link: https://lore.kernel.org/r/20231017092732.19983-2-brgl@bgdev.pl
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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