From: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Date: Wed, 9 Jul 2014 11:30:03 +0000 (+0900)
Subject: usb: renesas_usbhs: fix usbhs_pipe_malloc() to re-enable a pipe.
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=6a0541599f54b556442d6130e4f9faaad91bf3a2;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

usb: renesas_usbhs: fix usbhs_pipe_malloc() to re-enable a pipe.

This patch fixes an issue that the driver cannot push a new data when
a pipe is re-enabled after the pipe is queued.

Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
---

diff --git a/drivers/usb/renesas_usbhs/pipe.c b/drivers/usb/renesas_usbhs/pipe.c
index 7926e1c700f1..239b889ca5b5 100644
--- a/drivers/usb/renesas_usbhs/pipe.c
+++ b/drivers/usb/renesas_usbhs/pipe.c
@@ -710,6 +710,7 @@ struct usbhs_pipe *usbhs_pipe_malloc(struct usbhs_priv *priv,
 	usbhsp_pipe_select(pipe);
 	usbhsp_pipe_cfg_set(pipe, 0xFFFF, pipecfg);
 	usbhsp_pipe_buf_set(pipe, 0xFFFF, pipebuf);
+	usbhs_pipe_clear(pipe);
 
 	usbhs_pipe_sequence_data0(pipe);