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| author | Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> | 2024-07-19 19:12:38 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-10-10 12:01:01 +0200 |
| commit | cefa27681fa6c24209f8275f084b650221d8c05c (patch) | |
| tree | ff0bb682d9e5dc1a51a4a8decd5263cd152ee0b0 | |
| parent | d925e9f7fb5a2dbefd1a73fc01061f38c7becd4c (diff) | |
| download | linux-stable-cefa27681fa6c24209f8275f084b650221d8c05c.tar.gz linux-stable-cefa27681fa6c24209f8275f084b650221d8c05c.tar.bz2 linux-stable-cefa27681fa6c24209f8275f084b650221d8c05c.zip | |
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>
| -rw-r--r-- | drivers/clk/qcom/gcc-sm8250.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/clk/qcom/gcc-sm8250.c b/drivers/clk/qcom/gcc-sm8250.c index e630bfa2d0c1..e71b7b7cb514 100644 --- a/drivers/clk/qcom/gcc-sm8250.c +++ b/drivers/clk/qcom/gcc-sm8250.c @@ -3226,7 +3226,7 @@ static struct gdsc pcie_0_gdsc = { .pd = { .name = "pcie_0_gdsc", }, - .pwrsts = PWRSTS_OFF_ON, + .pwrsts = PWRSTS_RET_ON, }; static struct gdsc pcie_1_gdsc = { @@ -3234,7 +3234,7 @@ static struct gdsc pcie_1_gdsc = { .pd = { .name = "pcie_1_gdsc", }, - .pwrsts = PWRSTS_OFF_ON, + .pwrsts = PWRSTS_RET_ON, }; static struct gdsc pcie_2_gdsc = { @@ -3242,7 +3242,7 @@ static struct gdsc pcie_2_gdsc = { .pd = { .name = "pcie_2_gdsc", }, - .pwrsts = PWRSTS_OFF_ON, + .pwrsts = PWRSTS_RET_ON, }; static struct gdsc ufs_card_gdsc = { |