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clk: qcom: gcc-sm8650: Do not turn off USB GDSCs during gdsc_disable()

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

Fixes: c58225b7e3d7 ("clk: qcom: add the SM8650 Global Clock Controller driver, part 1")
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20250305-topic-sm8650-upstream-fix-usb-suspend-v1-1-649036ab0557@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
This commit is contained in:
Neil Armstrong 2025-03-05 20:00:29 +01:00 committed by Bjorn Andersson
parent a8e4ab5bde
commit 8b75c29739
1 changed files with 2 additions and 2 deletions
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4
drivers/clk/qcom/gcc-sm8650.c
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@ -3497,7 +3497,7 @@ static struct gdsc usb30_prim_gdsc = {
.pd = {
.name = "usb30_prim_gdsc",
},
.pwrsts = PWRSTS_OFF_ON,
.pwrsts = PWRSTS_RET_ON,
.flags = POLL_CFG_GDSCR | RETAIN_FF_ENABLE,
};
@ -3506,7 +3506,7 @@ static struct gdsc usb3_phy_gdsc = {
.pd = {
.name = "usb3_phy_gdsc",
},
.pwrsts = PWRSTS_OFF_ON,
.pwrsts = PWRSTS_RET_ON,
.flags = POLL_CFG_GDSCR | RETAIN_FF_ENABLE,
};