From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755565AbaHYM0O (ORCPT ); Mon, 25 Aug 2014 08:26:14 -0400 Received: from ns.mm-sol.com ([37.157.136.199]:47590 "EHLO extserv.mm-sol.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755458AbaHYM0M (ORCPT ); Mon, 25 Aug 2014 08:26:12 -0400 From: "Ivan T. Ivanov" To: Peter Chen Cc: "Ivan T. Ivanov" , Greg Kroah-Hartman , balbi@ti.com, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/2] usb: chipidea: msm: Use USB PHY API to control PHY state Date: Mon, 25 Aug 2014 15:26:00 +0300 Message-Id: <1408969561-6662-1-git-send-email-iivanov@mm-sol.com> X-Mailer: git-send-email 1.9.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org PHY drivers keep track of the current state of the hardware, so don't change PHY settings under it. Signed-off-by: Ivan T. Ivanov Acked-by: Felipe Balbi --- drivers/usb/chipidea/ci_hdrc_msm.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/drivers/usb/chipidea/ci_hdrc_msm.c b/drivers/usb/chipidea/ci_hdrc_msm.c index d72b9d2..30bdd51 100644 --- a/drivers/usb/chipidea/ci_hdrc_msm.c +++ b/drivers/usb/chipidea/ci_hdrc_msm.c @@ -20,7 +20,6 @@ static void ci_hdrc_msm_notify_event(struct ci_hdrc *ci, unsigned event) { struct device *dev = ci->gadget.dev.parent; - int val; switch (event) { case CI_HDRC_CONTROLLER_RESET_EVENT: @@ -34,10 +33,7 @@ static void ci_hdrc_msm_notify_event(struct ci_hdrc *ci, unsigned event) * Put the transceiver in non-driving mode. Otherwise host * may not detect soft-disconnection. */ - val = usb_phy_io_read(ci->transceiver, ULPI_FUNC_CTRL); - val &= ~ULPI_FUNC_CTRL_OPMODE_MASK; - val |= ULPI_FUNC_CTRL_OPMODE_NONDRIVING; - usb_phy_io_write(ci->transceiver, val, ULPI_FUNC_CTRL); + usb_phy_notify_disconnect(ci->transceiver, USB_SPEED_UNKNOWN); break; default: dev_dbg(dev, "unknown ci_hdrc event\n"); -- 1.9.1