[PATCH v2 3/4] usb: renesas_usbhs: fix the sequence in xfer_work()
From: Yoshihiro Shimoda <hidden>
Date: 2015-02-16 01:52:58
Also in:
linux-sh
Subsystem:
the rest, usb subsystem · Maintainers:
Linus Torvalds, Greg Kroah-Hartman
This patch fixes the setup sequence in xfer_work(). Otherwise, sometimes a usb transaction will get stuck. Signed-off-by: Yoshihiro Shimoda <redacted> --- 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 28d10eb..b737661 100644
--- a/drivers/usb/renesas_usbhs/fifo.c
+++ b/drivers/usb/renesas_usbhs/fifo.c@@ -822,10 +822,10 @@ 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); } /*
--
1.7.9.5
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