usb: musb: host: clear rxcsr error bit if set

The MUSB Programming Guide states that the driver should clear RXCSR bit2 when the controller sets the bit. Signed-off-by: Bin Liu <b-liu@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
mariux64 · Jun 1, 2016 · b580121 · b580121
1 parent d95815b
commit b580121
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
@@ -1870,6 +1870,9 @@ void musb_host_rx(struct musb *musb, u8 epnum)
 		status = -EPROTO;
 		musb_writeb(epio, MUSB_RXINTERVAL, 0);
 
+		rx_csr &= ~MUSB_RXCSR_H_ERROR;
+		musb_writew(epio, MUSB_RXCSR, rx_csr);
+
 	} else if (rx_csr & MUSB_RXCSR_DATAERROR) {
 
 		if (USB_ENDPOINT_XFER_ISOC != qh->type) {