]> git.hungrycats.org Git - linux/commit
clk: qcom: gcc-sm8450: Do not turn off PCIe GDSCs during gdsc_disable()
authorManivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Mon, 22 Jul 2024 10:57:33 +0000 (16:27 +0530)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 10 Oct 2024 10:01:00 +0000 (12:01 +0200)
commita854c234d8f3470616f8db10e885122dcebd742f
tree2915436dd28dcbf809cc6d6e6bc5e42c90bc156f
parenteae1775330464c4d95a21294b9571754388c0795
clk: qcom: gcc-sm8450: Do not turn off PCIe GDSCs during gdsc_disable()

commit 889e1332310656961855c0dcedbb4dbe78e39d22 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 # 5.17
Fixes: db0c944ee92b ("clk: qcom: Add clock driver for SM8450")
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20240722105733.13040-1-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-sm8450.c