From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932638Ab3DCIri (ORCPT ); Wed, 3 Apr 2013 04:47:38 -0400 Received: from mail-ea0-f181.google.com ([209.85.215.181]:36609 "EHLO mail-ea0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932580Ab3DCIrd (ORCPT ); Wed, 3 Apr 2013 04:47:33 -0400 From: Fabio Baltieri To: Felipe Balbi Cc: Linus Walleij , Praveena Nadahally , linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, Fabio Baltieri Subject: [PATCH 06/12] usb: phy: ab8500-usb: split ab8500_usb_phy_ctrl Date: Wed, 3 Apr 2013 10:45:07 +0200 Message-Id: <1364978713-19612-7-git-send-email-fabio.baltieri@linaro.org> X-Mailer: git-send-email 1.8.1.3 In-Reply-To: <1364978713-19612-1-git-send-email-fabio.baltieri@linaro.org> References: <1364978713-19612-1-git-send-email-fabio.baltieri@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Split ab8500_usb_phy_ctrl into separate enable/disable functions to make the code more linear and readable. Acked-by: Linus Walleij Signed-off-by: Fabio Baltieri --- drivers/usb/phy/phy-ab8500-usb.c | 55 +++++++++++++++++++--------------------- 1 file changed, 26 insertions(+), 29 deletions(-) diff --git a/drivers/usb/phy/phy-ab8500-usb.c b/drivers/usb/phy/phy-ab8500-usb.c index 4caa820..1c6eec9 100644 --- a/drivers/usb/phy/phy-ab8500-usb.c +++ b/drivers/usb/phy/phy-ab8500-usb.c @@ -172,40 +172,37 @@ static void ab8500_usb_wd_linkstatus(struct ab8500_usb *ab, u8 bit) } } -static void ab8500_usb_phy_ctrl(struct ab8500_usb *ab, bool sel_host, - bool enable) +static void ab8500_usb_phy_enable(struct ab8500_usb *ab, bool sel_host) { - u8 ctrl_reg; - abx500_get_register_interruptible(ab->dev, - AB8500_USB, - AB8500_USB_PHY_CTRL_REG, - &ctrl_reg); - if (sel_host) { - if (enable) - ctrl_reg |= AB8500_BIT_PHY_CTRL_HOST_EN; - else - ctrl_reg &= ~AB8500_BIT_PHY_CTRL_HOST_EN; - } else { - if (enable) - ctrl_reg |= AB8500_BIT_PHY_CTRL_DEVICE_EN; - else - ctrl_reg &= ~AB8500_BIT_PHY_CTRL_DEVICE_EN; - } + u8 bit; + bit = sel_host ? AB8500_BIT_PHY_CTRL_HOST_EN : + AB8500_BIT_PHY_CTRL_DEVICE_EN; - abx500_set_register_interruptible(ab->dev, - AB8500_USB, - AB8500_USB_PHY_CTRL_REG, - ctrl_reg); + abx500_mask_and_set_register_interruptible(ab->dev, + AB8500_USB, AB8500_USB_PHY_CTRL_REG, + bit, bit); +} - /* Needed to enable the phy.*/ - if (enable) - ab8500_usb_wd_workaround(ab); +static void ab8500_usb_phy_disable(struct ab8500_usb *ab, bool sel_host) +{ + u8 bit; + bit = sel_host ? AB8500_BIT_PHY_CTRL_HOST_EN : + AB8500_BIT_PHY_CTRL_DEVICE_EN; + + ab8500_usb_wd_linkstatus(ab, bit); + + abx500_mask_and_set_register_interruptible(ab->dev, + AB8500_USB, AB8500_USB_PHY_CTRL_REG, + bit, 0); + + /* Needed to disable the phy.*/ + ab8500_usb_wd_workaround(ab); } -#define ab8500_usb_host_phy_en(ab) ab8500_usb_phy_ctrl(ab, true, true) -#define ab8500_usb_host_phy_dis(ab) ab8500_usb_phy_ctrl(ab, true, false) -#define ab8500_usb_peri_phy_en(ab) ab8500_usb_phy_ctrl(ab, false, true) -#define ab8500_usb_peri_phy_dis(ab) ab8500_usb_phy_ctrl(ab, false, false) +#define ab8500_usb_host_phy_en(ab) ab8500_usb_phy_enable(ab, true) +#define ab8500_usb_host_phy_dis(ab) ab8500_usb_phy_disable(ab, true) +#define ab8500_usb_peri_phy_en(ab) ab8500_usb_phy_enable(ab, false) +#define ab8500_usb_peri_phy_dis(ab) ab8500_usb_phy_disable(ab, false) static int ab8505_usb_link_status_update(struct ab8500_usb *ab, enum ab8505_usb_link_status lsts) -- 1.8.1.3