From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Fri, 25 Nov 2011 01:27:32 +0000 (-0800)
Subject: usb: renesas_usbhs: add usbhs_pipe_is_stall()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=9cf1b06e906d8590fc027264af30b37754bd8226;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

usb: renesas_usbhs: add usbhs_pipe_is_stall()

This is preparation for chapter 9 test

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@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 c74389ce2177..c36ad4c3a259 100644
--- a/drivers/usb/renesas_usbhs/pipe.c
+++ b/drivers/usb/renesas_usbhs/pipe.c
@@ -257,6 +257,13 @@ void usbhs_pipe_stall(struct usbhs_pipe *pipe)
 	}
 }
 
+int usbhs_pipe_is_stall(struct usbhs_pipe *pipe)
+{
+	u16 pid = usbhsp_pipectrl_get(pipe) & PID_MASK;
+
+	return (int)(pid == PID_STALL10 || pid == PID_STALL11);
+}
+
 /*
  *		pipe setup
  */
diff --git a/drivers/usb/renesas_usbhs/pipe.h b/drivers/usb/renesas_usbhs/pipe.h
index 6334fc644cc0..fa18b7dc2b2a 100644
--- a/drivers/usb/renesas_usbhs/pipe.h
+++ b/drivers/usb/renesas_usbhs/pipe.h
@@ -87,6 +87,7 @@ int usbhs_pipe_is_accessible(struct usbhs_pipe *pipe);
 void usbhs_pipe_enable(struct usbhs_pipe *pipe);
 void usbhs_pipe_disable(struct usbhs_pipe *pipe);
 void usbhs_pipe_stall(struct usbhs_pipe *pipe);
+int usbhs_pipe_is_stall(struct usbhs_pipe *pipe);
 void usbhs_pipe_select_fifo(struct usbhs_pipe *pipe, struct usbhs_fifo *fifo);
 void usbhs_pipe_config_update(struct usbhs_pipe *pipe, u16 devsel,
 			      u16 epnum, u16 maxp);