From: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx> 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 <yoshihiro.shimoda.uh@xxxxxxxxxxx> Signed-off-by: Felipe Balbi <balbi@xxxxxx> Signed-off-by: Willy Tarreau <w@xxxxxx> --- drivers/usb/renesas_usbhs/fifo.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c index c531026..0c2825b 100644 --- a/drivers/usb/renesas_usbhs/fifo.c +++ b/drivers/usb/renesas_usbhs/fifo.c @@ -814,10 +814,10 @@ static void xfer_work(struct work_struct *work) fifo->name, usbhs_pipe_number(pipe), pkt->length, pkt->zero); usbhs_pipe_running(pipe, 1); - 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); } /* -- 2.8.0.rc2.1.gbe9624a