]> git.hungrycats.org Git - linux/commit
clk: qcom: gcc-sm8250: Do not turn off PCIe GDSCs during gdsc_disable()
authorManivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Fri, 19 Jul 2024 13:42:38 +0000 (19:12 +0530)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 10 Oct 2024 10:01:01 +0000 (12:01 +0200)
commitcefa27681fa6c24209f8275f084b650221d8c05c
treeff0bb682d9e5dc1a51a4a8decd5263cd152ee0b0
parentd925e9f7fb5a2dbefd1a73fc01061f38c7becd4c
clk: qcom: gcc-sm8250: Do not turn off PCIe GDSCs during gdsc_disable()

commit ade508b545c969c72cd68479f275a5dd640fd8b9 upstream.

With PWRSTS_OFF_ON, PCIe GDSCs are turned off during gdsc_disable(). This
can happen during scenarios such as system suspend and breaks the resume
of PCIe controllers from suspend.

So use PWRSTS_RET_ON to indicate the GDSC driver to not turn off the GDSCs
during gdsc_disable() and allow the hardware to transition the GDSCs to
retention when the parent domain enters low power state during system
suspend.

Cc: stable@vger.kernel.org # 5.7
Fixes: 3e5770921a88 ("clk: qcom: gcc: Add global clock controller driver for SM8250")
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20240719134238.312191-1-manivannan.sadhasivam@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/clk/qcom/gcc-sm8250.c