Messages in this thread Patch in this message | | | Date | Thu, 08 Apr 2021 13:44:53 +0400 | From | Artur Petrosyan <> | Subject | [PATCH v3 04/14] usb: dwc2: Add partial power down exit flow in wakeup intr. |
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According to programming guide added host partial power down exit flow in wakeup detected interrupt handler.
Signed-off-by: Artur Petrosyan <Arthur.Petrosyan@synopsys.com> Acked-by: Minas Harutyunyan <Minas.Harutyunyan@synopsys.com> --- drivers/usb/dwc2/core_intr.c | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-)
diff --git a/drivers/usb/dwc2/core_intr.c b/drivers/usb/dwc2/core_intr.c index 1fb957ce6c25..0a7f9330907f 100644 --- a/drivers/usb/dwc2/core_intr.c +++ b/drivers/usb/dwc2/core_intr.c @@ -423,15 +423,14 @@ static void dwc2_handle_wakeup_detected_intr(struct dwc2_hsotg *hsotg) hsotg->lx_state = DWC2_L0; } } else { - if (hsotg->params.power_down) - return; - - if (hsotg->lx_state != DWC2_L1) { - u32 pcgcctl = dwc2_readl(hsotg, PCGCTL); - - /* Restart the Phy Clock */ - pcgcctl &= ~PCGCTL_STOPPCLK; - dwc2_writel(hsotg, pcgcctl, PCGCTL); + if (hsotg->lx_state == DWC2_L2) { + if (hsotg->in_ppd) { + ret = dwc2_exit_partial_power_down(hsotg, 1, + true); + if (ret) + dev_err(hsotg->dev, + "exit partial_power_down failed\n"); + } /* * If we've got this quirk then the PHY is stuck upon -- 2.25.1
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