]> git.ipfire.org Git - thirdparty/kernel/stable.git/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, 17 Oct 2024 13:11:40 +0000 (15:11 +0200)
commitc02e3ab7ec6c02c810de582f3b3e4455cfb7e291
tree29f10820c2e3f6d55bc559c370f90bb2088139bc
parentbf6be32e2d39f6301ff1831e249d32a8744ab28a
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