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Merge "usb: dwc3: dwc3-msm-core: Add support for adding xhci quirks to roothub"

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qctecmdr 2024-06-19 16:00:27 -07:00 committed by Gerrit - the friendly Code Review server
commit e90932edc7
1 changed files with 14 additions and 0 deletions
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14
drivers/usb/dwc3/dwc3-msm-core.c
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@ -580,6 +580,7 @@ struct dwc3_msm {
bool host_poweroff_in_pm_suspend;
bool disable_host_ssphy_powerdown;
bool hibernate_skip_thaw;
bool enable_host_slow_suspend;
unsigned long lpm_flags;
unsigned int vbus_draw;
#define MDWC3_SS_PHY_SUSPEND BIT(0)
@ -6129,6 +6130,8 @@ static int dwc3_msm_parse_params(struct dwc3_msm *mdwc, struct device_node *node
mdwc->hibernate_skip_thaw = of_property_read_bool(node,
"qcom,hibernate-skip-thaw");
mdwc->enable_host_slow_suspend = of_property_read_bool(node,
"qcom,enable_host_slow_suspend");
mdwc->dis_sending_cm_l1_quirk = of_property_read_bool(node,
"qcom,dis-sending-cm-l1-quirk");
@ -6678,6 +6681,17 @@ static int dwc3_msm_host_notifier(struct notifier_block *nb,
struct dwc3 *dwc = platform_get_drvdata(mdwc->dwc3);
struct usb_device *udev = ptr;
if (event == USB_BUS_ADD && mdwc->enable_host_slow_suspend) {
struct usb_bus *ubus = ptr;
struct usb_hcd *hcd = bus_to_hcd(ubus);
struct xhci_hcd *xhci = hcd_to_xhci(hcd);
if (usb_hcd_is_primary_hcd(hcd)) {
dev_dbg(ubus->controller, "enable slow suspend\n");
xhci->quirks |= XHCI_SLOW_SUSPEND;
}
}
if (event != USB_DEVICE_ADD && event != USB_DEVICE_REMOVE)
return NOTIFY_DONE;