Commit 68960057 authored Mar 12, 2015 by Yoshihiro Shimoda Committed by Sasha Levin Aug 22, 2016

usb: renesas_usbhs: fix the sequence in xfer_work()



[ Upstream commit 9b53d9af7aac09cf249d72bfbf15f08e47c4f7fe ]

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: Sasha Levin <alexander.levin@verizon.com>

parent 31338a15

drivers/usb/renesas_usbhs/fifo.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -858,10 +858,10 @@ 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);
		}

		/*