From: George Cherian <george.cherian@ti.com>
Date: Mon, 26 May 2014 09:20:10 +0000 (+0530)
Subject: usb: musb: dsps: Call usb_phy(_shutdown/_init) during musb_platform_reset()
X-Git-Tag: v3.17-rc1~121^2~18^2~73
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=56700178493eaab243b7b7b04077775cea6a87bd;p=karo-tx-linux.git

usb: musb: dsps: Call usb_phy(_shutdown/_init) during musb_platform_reset()

For DSPS platform usb_phy_vbus(_off/_on) are NOPs.
So during musb_platform_reset() call usb_phy(_shutdown/_init)

Signed-off-by: George Cherian <george.cherian@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
---

diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c
index 56c5d3fd6f6c..b29f59f718bb 100644
--- a/drivers/usb/musb/musb_dsps.c
+++ b/drivers/usb/musb/musb_dsps.c
@@ -551,7 +551,11 @@ static void dsps_musb_reset(struct musb *musb)
 	const struct dsps_musb_wrapper *wrp = glue->wrp;
 
 	dsps_writel(musb->ctrl_base, wrp->control, (1 << wrp->reset));
-	udelay(100);
+	usleep_range(100, 200);
+	usb_phy_shutdown(musb->xceiv);
+	usleep_range(100, 200);
+	usb_phy_init(musb->xceiv);
+
 }
 
 static struct musb_platform_ops dsps_ops = {