1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c
index 1ab4df1de2da..b2a540b43f97 100644
--- a/drivers/usb/core/config.c
+++ b/drivers/usb/core/config.c
@@ -199,6 +199,17 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno, int inum,
                         if (n == 0)
                                 n = 9;  /* 32 ms = 2^(9-1) uframes */
                         j = 16;
+
+                        /*
+                         * Adjust bInterval for quirked devices.
+                         * This quirk fixes bIntervals reported in
+                         * linear microframes.
+                         */
+                        if (to_usb_device(ddev)->quirks &
+                                USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL) {
+                                n = clamp(fls(d->bInterval), i, j);
+                                i = j = n;
+                        }
                         break;
                 default:                /* USB_SPEED_FULL or _LOW */
                         /* For low-speed, 10 ms is the official minimum.