Keep the power domain on in order to retail controller status and to support wakeup from devices. Signed-off-by: Sandeep Maheswaram <quic_c_sanm@xxxxxxxxxxx> --- drivers/usb/dwc3/dwc3-qcom.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c index b13e542..54dc3d3 100644 --- a/drivers/usb/dwc3/dwc3-qcom.c +++ b/drivers/usb/dwc3/dwc3-qcom.c @@ -17,6 +17,7 @@ #include <linux/of_platform.h> #include <linux/platform_device.h> #include <linux/phy/phy.h> +#include <linux/pm_domain.h> #include <linux/usb/of.h> #include <linux/reset.h> #include <linux/iopoll.h> @@ -710,6 +711,7 @@ static int dwc3_qcom_probe(struct platform_device *pdev) struct resource *res, *parent_res = NULL; int ret, i; bool ignore_pipe_clk; + struct generic_pm_domain *genpd; qcom = devm_kzalloc(&pdev->dev, sizeof(*qcom), GFP_KERNEL); if (!qcom) @@ -718,6 +720,8 @@ static int dwc3_qcom_probe(struct platform_device *pdev) platform_set_drvdata(pdev, qcom); qcom->dev = &pdev->dev; + genpd = pd_to_genpd(qcom->dev->pm_domain); + if (has_acpi_companion(dev)) { qcom->acpi_pdata = acpi_device_get_match_data(dev); if (!qcom->acpi_pdata) { @@ -825,6 +829,8 @@ static int dwc3_qcom_probe(struct platform_device *pdev) if (ret) goto interconnect_exit; + genpd->flags |= GENPD_FLAG_ALWAYS_ON; + device_init_wakeup(&pdev->dev, 1); qcom->is_suspended = false; pm_runtime_set_active(dev); -- 2.7.4