The isr is going to check for a status phase on the indexed endpoint.
Input endpoints have no status bits and can be skipped for that test.
Signed-off-by: Michael Grzeschik <m.grzesc...@pengutronix.de>
---
This patch is based on the change mentioned by Matthieu CASTET,
but moves the check before using hw_test_and_clear_setup_status.
drivers/usb/chipidea/udc.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c
index 69d20fb..9364184 100644
--- a/drivers/usb/chipidea/udc.c
+++ b/drivers/usb/chipidea/udc.c
@@ -989,6 +989,7 @@ __acquires(ci->lock)
}
if (hwep->type != USB_ENDPOINT_XFER_CONTROL ||
+ (i >= ci->hw_ep_max / 2) ||
!hw_test_and_clear_setup_status(ci, i))
continue;
--
1.8.5.2
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