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-rw-r--r--drivers/usb/dwc3/gadget.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 7b58e0e1e438..8adb59f8e4f1 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -2083,9 +2083,19 @@ static void dwc3_gadget_config_params(struct usb_gadget *g,
/* Recommended BESL */
if (!dwc->dis_enblslpm_quirk) {
- params->besl_baseline = 0;
+ /*
+ * If the recommended BESL baseline is 0 or if the BESL deep is
+ * less than 2, Microsoft's Windows 10 host usb stack will issue
+ * a usb reset immediately after it receives the extended BOS
+ * descriptor and the enumeration will fail. To maintain
+ * compatibility with the Windows' usb stack, let's set the
+ * recommended BESL baseline to 1 and clamp the BESL deep to be
+ * within 2 to 15.
+ */
+ params->besl_baseline = 1;
if (dwc->is_utmi_l1_suspend)
- params->besl_deep = min_t(u8, dwc->hird_threshold, 15);
+ params->besl_deep =
+ clamp_t(u8, dwc->hird_threshold, 2, 15);
}
/* U1 Device exit Latency */