From patchwork Fri Mar 15 13:28:52 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kishon Vijay Abraham I X-Patchwork-Id: 2277671 Return-Path: X-Original-To: patchwork-linux-omap@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork1.kernel.org (Postfix) with ESMTP id 633E43FC8A for ; Fri, 15 Mar 2013 13:31:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754749Ab3CON3G (ORCPT ); Fri, 15 Mar 2013 09:29:06 -0400 Received: from devils.ext.ti.com ([198.47.26.153]:60971 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754496Ab3CON3E (ORCPT ); Fri, 15 Mar 2013 09:29:04 -0400 Received: from dbdp20.itg.ti.com ([172.24.170.38]) by devils.ext.ti.com (8.13.7/8.13.7) with ESMTP id r2FDT0FD001035; Fri, 15 Mar 2013 08:29:01 -0500 Received: from DBDE71.ent.ti.com (localhost [127.0.0.1]) by dbdp20.itg.ti.com (8.13.8/8.13.8) with ESMTP id r2FDSwAM022744; Fri, 15 Mar 2013 18:59:00 +0530 (IST) Received: from dbdp33.itg.ti.com (172.24.170.252) by DBDE71.ent.ti.com (172.24.170.149) with Microsoft SMTP Server id 14.1.323.3; Fri, 15 Mar 2013 18:58:58 +0530 Received: from a0393678lt.apr.dhcp.ti.com (smtpvbd.itg.ti.com [172.24.170.250]) by dbdp33.itg.ti.com (8.13.8/8.13.8) with ESMTP id r2FDSsHQ014606; Fri, 15 Mar 2013 18:58:58 +0530 From: Kishon Vijay Abraham I To: , , , , CC: , , Kishon Vijay Abraham I Subject: [PATCH 4/4] usb: otg: twl4030: fix cold plug on OMAP3 Date: Fri, 15 Mar 2013 18:58:52 +0530 Message-ID: <1363354132-27523-4-git-send-email-kishon@ti.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1363354132-27523-1-git-send-email-kishon@ti.com> References: <1363354132-27523-1-git-send-email-kishon@ti.com> MIME-Version: 1.0 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org Having twl4030_usb_phy_init() (detects if a cable is connected before twl4030 is probed) in twl4030 probe makes cable connect events to be missed by musb glue, since it gets loaded after twl4030. Having twl4030_usb_phy_init as a usb_phy ops lets twl4030_usb_phy_init to be called when glue is ready. Signed-off-by: Kishon Vijay Abraham I Tested-by: Grazvydas Ignotas --- drivers/usb/phy/phy-twl4030-usb.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/drivers/usb/phy/phy-twl4030-usb.c b/drivers/usb/phy/phy-twl4030-usb.c index e14b03e..1986c78 100644 --- a/drivers/usb/phy/phy-twl4030-usb.c +++ b/drivers/usb/phy/phy-twl4030-usb.c @@ -510,8 +510,9 @@ static irqreturn_t twl4030_usb_irq(int irq, void *_twl) return IRQ_HANDLED; } -static void twl4030_usb_phy_init(struct twl4030_usb *twl) +static int twl4030_usb_phy_init(struct usb_phy *phy) { + struct twl4030_usb *twl = phy_to_twl(phy); enum omap_musb_vbus_id_status status; status = twl4030_usb_linkstat(twl); @@ -528,6 +529,7 @@ static void twl4030_usb_phy_init(struct twl4030_usb *twl) omap_musb_mailbox(twl->linkstat); } sysfs_notify(&twl->dev->kobj, NULL, "vbus"); + return 0; } static int twl4030_set_suspend(struct usb_phy *x, int suspend) @@ -604,6 +606,7 @@ static int twl4030_usb_probe(struct platform_device *pdev) twl->phy.otg = otg; twl->phy.type = USB_PHY_TYPE_USB2; twl->phy.set_suspend = twl4030_set_suspend; + twl->phy.init = twl4030_usb_phy_init; otg->phy = &twl->phy; otg->set_host = twl4030_set_host; @@ -641,11 +644,6 @@ static int twl4030_usb_probe(struct platform_device *pdev) return status; } - /* Power down phy or make it work according to - * current link state. - */ - twl4030_usb_phy_init(twl); - dev_info(&pdev->dev, "Initialized TWL4030 USB module\n"); return 0; }