From mboxrd@z Thu Jan 1 00:00:00 1970 From: George Cherian Subject: [PATCH v5 3/6] usb: musb: dsps: Call usb_phy(_shutdown/_init) during musb_platform_reset() Date: Thu, 22 May 2014 11:59:38 +0530 Message-ID: <1400740181-31213-4-git-send-email-george.cherian@ti.com> References: <1400740181-31213-1-git-send-email-george.cherian@ti.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1400740181-31213-1-git-send-email-george.cherian-l0cyMroinI0@public.gmane.org> Sender: linux-usb-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org, balbi-l0cyMroinI0@public.gmane.org, zonque-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, b-liu-l0cyMroinI0@public.gmane.org, George Cherian List-Id: linux-omap@vger.kernel.org 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 --- drivers/usb/musb/musb_dsps.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c index 51beb13..74c4193 100644 --- a/drivers/usb/musb/musb_dsps.c +++ b/drivers/usb/musb/musb_dsps.c @@ -543,7 +543,11 @@ 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 = { -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html