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Subject[PATCH 3.10 014/139] usb: renesas_usbhs: fix the sequence in xfer_work()
Date
From: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>

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@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Willy Tarreau <w@1wt.eu>
---
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
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