From: Aaro Koskinen Date: Sun, 29 Jun 2014 19:52:54 +0000 (+0300) Subject: staging: octeon-usb: don't retry on data toggle error X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=d8c39d3f20049473a6d489deb82b5219f2a21316;p=linux-beck.git staging: octeon-usb: don't retry on data toggle error On data toggle error, we don't know if and how many bytes were successfully transferred by DMA. We should just fail the transaction instead of trying a retry. Signed-off-by: Aaro Koskinen Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/octeon-usb/octeon-hcd.c b/drivers/staging/octeon-usb/octeon-hcd.c index ab237c5b61b5..59cf921f1b59 100644 --- a/drivers/staging/octeon-usb/octeon-hcd.c +++ b/drivers/staging/octeon-usb/octeon-hcd.c @@ -2840,8 +2840,9 @@ static int __cvmx_usb_poll_channel(struct cvmx_usb_state *usb, int channel) __cvmx_usb_perform_complete(usb, pipe, transaction, CVMX_USB_COMPLETE_BABBLEERR); } else if (usbc_hcint.s.datatglerr) { - /* We'll retry the exact same transaction again */ - transaction->retries++; + /* Data toggle error */ + __cvmx_usb_perform_complete(usb, pipe, transaction, + CVMX_USB_COMPLETE_DATATGLERR); } else if (usbc_hcint.s.nyet) { /* * NYET as a response is only allowed in three cases: as a