From patchwork Fri Sep 17 09:54:29 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= X-Patchwork-Id: 187712 Received: from lists.sourceforge.net (lists.sourceforge.net [216.34.181.88]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id o8H9t9iF004625 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Fri, 17 Sep 2010 09:55:50 GMT Received: from localhost ([127.0.0.1] helo=sfs-ml-1.v29.ch3.sourceforge.com) by sfs-ml-1.v29.ch3.sourceforge.com with esmtp (Exim 4.69) (envelope-from ) id 1OwXev-0007iK-3J; Fri, 17 Sep 2010 09:55:09 +0000 Received: from sog-mx-1.v43.ch3.sourceforge.com ([172.29.43.191] helo=mx.sourceforge.net) by sfs-ml-1.v29.ch3.sourceforge.com with esmtp (Exim 4.69) (envelope-from ) id 1OwXet-0007iB-UP for spi-devel-general@lists.sourceforge.net; Fri, 17 Sep 2010 09:55:07 +0000 X-ACL-Warn: Received: from metis.ext.pengutronix.de ([92.198.50.35]) by sog-mx-1.v43.ch3.sourceforge.com with esmtps (TLSv1:AES256-SHA:256) (Exim 4.69) id 1OwXes-0003Ji-V7 for spi-devel-general@lists.sourceforge.net; Fri, 17 Sep 2010 09:55:07 +0000 Received: from octopus.hi.pengutronix.de ([2001:6f8:1178:2:215:17ff:fe12:23b0]) by metis.ext.pengutronix.de with esmtp (Exim 4.71) (envelope-from ) id 1OwXec-0005mn-Qu; Fri, 17 Sep 2010 11:54:50 +0200 Received: from ukl by octopus.hi.pengutronix.de with local (Exim 4.69) (envelope-from ) id 1OwXec-0003MI-J0; Fri, 17 Sep 2010 11:54:50 +0200 From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= To: Jason Wang Subject: [PATCH 11/16] ARM: mx5/clock-mx51: refactor ccgr callbacks to use common code Date: Fri, 17 Sep 2010 11:54:29 +0200 Message-Id: <1284717274-12850-11-git-send-email-u.kleine-koenig@pengutronix.de> X-Mailer: git-send-email 1.7.2.3 In-Reply-To: <20100917095247.GB30441@pengutronix.de> References: <20100917095247.GB30441@pengutronix.de> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2001:6f8:1178:2:215:17ff:fe12:23b0 X-SA-Exim-Mail-From: ukl@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: spi-devel-general@lists.sourceforge.net X-Spam-Score: -0.0 (/) X-Spam-Report: Spam Filtering performed by mx.sourceforge.net. See http://spamassassin.org/tag/ for more details. -0.0 T_RP_MATCHES_RCVD Envelope sender domain matches handover relay domain X-Headers-End: 1OwXes-0003Ji-V7 Cc: spi-devel-general@lists.sourceforge.net, Sascha Hauer , amit.kucheria@canonical.com, linux-arm-kernel@lists.infradead.org X-BeenThere: spi-devel-general@lists.sourceforge.net X-Mailman-Version: 2.1.9 Precedence: list List-Id: Linux SPI core/device drivers discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: spi-devel-general-bounces@lists.sourceforge.net X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter1.kernel.org [140.211.167.41]); Fri, 17 Sep 2010 09:55:50 +0000 (UTC) X-MIME-Autoconverted: from base64 to 8bit by demeter1.kernel.org id o8H9t9iF004625 diff --git a/arch/arm/mach-mx5/clock-mx51.c b/arch/arm/mach-mx5/clock-mx51.c index 57c10a9..fe658bf 100644 --- a/arch/arm/mach-mx5/clock-mx51.c +++ b/arch/arm/mach-mx5/clock-mx51.c @@ -41,34 +41,36 @@ static struct clk usboh3_clk; #define MAX_DPLL_WAIT_TRIES 1000 /* 1000 * udelay(1) = 1ms */ -static int _clk_ccgr_enable(struct clk *clk) +static void _clk_ccgr_setclk(struct clk *clk, unsigned mode) { - u32 reg; + u32 reg = __raw_readl(clk->enable_reg); + + reg &= ~(MXC_CCM_CCGRx_CG_MASK << clk->enable_shift); + reg |= mode << clk->enable_shift; - reg = __raw_readl(clk->enable_reg); - reg |= MXC_CCM_CCGRx_MOD_ON << clk->enable_shift; __raw_writel(reg, clk->enable_reg); +} +static int _clk_ccgr_enable(struct clk *clk) +{ + _clk_ccgr_setclk(clk, MXC_CCM_CCGRx_MOD_ON); return 0; } static void _clk_ccgr_disable(struct clk *clk) { - u32 reg; - reg = __raw_readl(clk->enable_reg); - reg &= ~(MXC_CCM_CCGRx_CG_MASK << clk->enable_shift); - __raw_writel(reg, clk->enable_reg); + _clk_ccgr_setclk(clk, MXC_CCM_CCGRx_MOD_OFF); +} +static int _clk_ccgr_enable_inrun(struct clk *clk) +{ + _clk_ccgr_setclk(clk, MXC_CCM_CCGRx_MOD_IDLE); + return 0; } static void _clk_ccgr_disable_inwait(struct clk *clk) { - u32 reg; - - reg = __raw_readl(clk->enable_reg); - reg &= ~(MXC_CCM_CCGRx_CG_MASK << clk->enable_shift); - reg |= MXC_CCM_CCGRx_MOD_IDLE << clk->enable_shift; - __raw_writel(reg, clk->enable_reg); + _clk_ccgr_setclk(clk, MXC_CCM_CCGRx_MOD_IDLE); } /*