3.16.39-rc1 review patch. If anyone has any objections, please let me know.
------------------ From: Yoshihiro Shimoda <[email protected]> commit 9b53d9af7aac09cf249d72bfbf15f08e47c4f7fe upstream. This patch fixes the setup sequence in xfer_work(). Otherwise, sometimes a usb transaction will get stuck. Signed-off-by: Yoshihiro Shimoda <[email protected]> Signed-off-by: Felipe Balbi <[email protected]> [bwh: Backported to 3.16: adjust context] Signed-off-by: Ben Hutchings <[email protected]> --- drivers/usb/renesas_usbhs/fifo.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/usb/renesas_usbhs/fifo.c +++ b/drivers/usb/renesas_usbhs/fifo.c @@ -806,10 +806,10 @@ static void xfer_work(struct work_struct dev_dbg(dev, " %s %d (%d/ %d)\n", fifo->name, usbhs_pipe_number(pipe), pkt->length, pkt->zero); - usbhs_pipe_set_trans_count_if_bulk(pipe, pkt->trans); - usbhs_pipe_enable(pipe); usbhsf_dma_start(pipe, fifo); + usbhs_pipe_set_trans_count_if_bulk(pipe, pkt->trans); dma_async_issue_pending(chan); + usbhs_pipe_enable(pipe); } /*
