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authorBin Liu <b-liu@ti.com>2016-05-31 18:05:03 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-06-02 00:58:59 +0300
commitb5801212229f6ca5c418c68cd1e0548f4b53f624 (patch)
treeecc18eff8ca6a4e9b661a11e20cb651b4b8b68d3 /drivers/usb/musb/musb_host.c
parentd95815ba6a0f287213118c136e64d8c56daeaeab (diff)
downloadlinux-b5801212229f6ca5c418c68cd1e0548f4b53f624.tar.xz
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>
Diffstat (limited to 'drivers/usb/musb/musb_host.c')
-rw-r--r--drivers/usb/musb/musb_host.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index 2f8ad7f1f482..931381c51ad7 100644
--- 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) {