From mboxrd@z Thu Jan 1 00:00:00 1970 From: Grazvydas Ignotas Subject: [PATCHv2 6/7] usb: musb: omap2430: turn off vbus on cable disconnect Date: Sun, 17 Mar 2013 20:23:26 +0200 Message-ID: <1363544607-17634-7-git-send-email-notasas@gmail.com> References: <1363544607-17634-1-git-send-email-notasas@gmail.com> Return-path: Received: from mail-ea0-f178.google.com ([209.85.215.178]:43408 "EHLO mail-ea0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932756Ab3CQSXw (ORCPT ); Sun, 17 Mar 2013 14:23:52 -0400 In-Reply-To: <1363544607-17634-1-git-send-email-notasas@gmail.com> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: linux-usb@vger.kernel.org Cc: linux-omap@vger.kernel.org, Felipe Balbi , NeilBrown , kishon , Grazvydas Ignotas On USB_EVENT_ID event the musb glue enables VBUS by calling omap2430_musb_set_vbus(musb, 1) that sets the session bit, but on USB_EVENT_NONE reverse action is never made, and that breaks PM. Disable VBUS on USB_EVENT_NONE to be sure musb session is ended on cable unplug so that PM works. Signed-off-by: Grazvydas Ignotas --- drivers/usb/musb/omap2430.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c index ec460ea..780a750 100644 --- a/drivers/usb/musb/omap2430.c +++ b/drivers/usb/musb/omap2430.c @@ -291,6 +291,7 @@ static void omap_musb_set_mailbox(struct omap2430_glue *glue) musb->xceiv->last_event = USB_EVENT_NONE; if (musb->gadget_driver) { + omap2430_musb_set_vbus(musb, 0); pm_runtime_mark_last_busy(dev); pm_runtime_put_autosuspend(dev); } -- 1.7.9.5