From patchwork Sat Jul 16 08:15:43 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tarun Kanti DebBarma X-Patchwork-Id: 981692 Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by demeter1.kernel.org (8.14.4/8.14.4) with ESMTP id p6G8KwCV020110 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Sat, 16 Jul 2011 08:21:19 GMT Received: from canuck.infradead.org ([2001:4978:20e::1]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1Qi06o-0004by-Ut; Sat, 16 Jul 2011 08:20:24 +0000 Received: from localhost ([127.0.0.1] helo=canuck.infradead.org) by canuck.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1Qi06N-0007VR-Po; Sat, 16 Jul 2011 08:19:55 +0000 Received: from arroyo.ext.ti.com ([192.94.94.40]) by canuck.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1Qi02y-0006fh-NN for linux-arm-kernel@lists.infradead.org; Sat, 16 Jul 2011 08:16:27 +0000 Received: from dbdp20.itg.ti.com ([172.24.170.38]) by arroyo.ext.ti.com (8.13.7/8.13.7) with ESMTP id p6G8GKM1022810 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Sat, 16 Jul 2011 03:16:23 -0500 Received: from dbde70.ent.ti.com (localhost [127.0.0.1]) by dbdp20.itg.ti.com (8.13.8/8.13.8) with ESMTP id p6G8GKqi025744; Sat, 16 Jul 2011 13:46:20 +0530 (IST) Received: from dbdp31.itg.ti.com (172.24.170.98) by DBDE70.ent.ti.com (172.24.170.148) with Microsoft SMTP Server id 8.3.106.1; Sat, 16 Jul 2011 13:46:20 +0530 Received: from localhost.localdomain ([172.24.190.145]) by dbdp31.itg.ti.com (8.13.8/8.13.8) with ESMTP id p6G8FqJS019170; Sat, 16 Jul 2011 13:46:17 +0530 (IST) From: Tarun Kanti DebBarma To: Subject: [PATCH v4 REPOST 11/20] gpio/omap: remove hardcoded offsets in ctxt save/restore Date: Sat, 16 Jul 2011 13:45:43 +0530 Message-ID: <1310804152-9243-12-git-send-email-tarun.kanti@ti.com> X-Mailer: git-send-email 1.6.0.4 In-Reply-To: <1310804152-9243-1-git-send-email-tarun.kanti@ti.com> References: <1310804152-9243-1-git-send-email-tarun.kanti@ti.com> MIME-Version: 1.0 X-CRM114-Version: 20090807-BlameThorstenAndJenny ( TRE 0.7.6 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20110716_041625_018291_5E41E478 X-CRM114-Status: UNSURE ( 9.98 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.3.1 on canuck.infradead.org summary: Content analysis details: (-2.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at http://www.dnswl.org/, medium trust [192.94.94.40 listed in list.dnswl.org] 0.0 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain Cc: khilman@ti.com, tony@atomide.com, santosh.shilimkar@ti.com, Tarun Kanti DebBarma , linux-arm-kernel@lists.infradead.org, Charulatha V X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter1.kernel.org [140.211.167.41]); Sat, 16 Jul 2011 08:23:15 +0000 (UTC) It is not required to use hard-coded offsets any more in context save and restore functions and instead use the generic offsets which have been correctly initialized during device registration. Signed-off-by: Tarun Kanti DebBarma Signed-off-by: Charulatha V --- arch/arm/mach-omap2/gpio.c | 2 + arch/arm/plat-omap/include/plat/gpio.h | 1 + drivers/gpio/gpio-omap.c | 42 +++++++++++++++---------------- 3 files changed, 23 insertions(+), 22 deletions(-) diff --git a/arch/arm/mach-omap2/gpio.c b/arch/arm/mach-omap2/gpio.c index 8745c3a..0ee9a55 100644 --- a/arch/arm/mach-omap2/gpio.c +++ b/arch/arm/mach-omap2/gpio.c @@ -103,6 +103,7 @@ static int omap2_gpio_dev_init(struct omap_hwmod *oh, void *unused) pdata->regs->irqstatus = OMAP24XX_GPIO_IRQSTATUS1; pdata->regs->irqstatus2 = OMAP24XX_GPIO_IRQSTATUS2; pdata->regs->irqenable = OMAP24XX_GPIO_IRQENABLE1; + pdata->regs->irqenable2 = OMAP24XX_GPIO_IRQENABLE2; pdata->regs->set_irqenable = OMAP24XX_GPIO_SETIRQENABLE1; pdata->regs->clr_irqenable = OMAP24XX_GPIO_CLEARIRQENABLE1; pdata->regs->debounce = OMAP24XX_GPIO_DEBOUNCE_VAL; @@ -125,6 +126,7 @@ static int omap2_gpio_dev_init(struct omap_hwmod *oh, void *unused) pdata->regs->irqstatus = OMAP4_GPIO_IRQSTATUS0; pdata->regs->irqstatus2 = OMAP4_GPIO_IRQSTATUS1; pdata->regs->irqenable = OMAP4_GPIO_IRQSTATUSSET0; + pdata->regs->irqenable2 = OMAP4_GPIO_IRQSTATUSSET1; pdata->regs->set_irqenable = OMAP4_GPIO_IRQSTATUSSET0; pdata->regs->clr_irqenable = OMAP4_GPIO_IRQSTATUSCLR0; pdata->regs->debounce = OMAP4_GPIO_DEBOUNCINGTIME; diff --git a/arch/arm/plat-omap/include/plat/gpio.h b/arch/arm/plat-omap/include/plat/gpio.h index 7d12fe8..0ad4f49 100644 --- a/arch/arm/plat-omap/include/plat/gpio.h +++ b/arch/arm/plat-omap/include/plat/gpio.h @@ -184,6 +184,7 @@ struct omap_gpio_reg_offs { u16 irqstatus; u16 irqstatus2; u16 irqenable; + u16 irqenable2; u16 set_irqenable; u16 clr_irqenable; u16 debounce; diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c index f895c15..d93f8cd 100644 --- a/drivers/gpio/gpio-omap.c +++ b/drivers/gpio/gpio-omap.c @@ -1347,45 +1347,43 @@ void omap2_gpio_resume_after_idle(void) static void omap_gpio_save_context(struct gpio_bank *bank) { bank->context.irqenable1 = - __raw_readl(bank->base + OMAP24XX_GPIO_IRQENABLE1); + __raw_readl(bank->base + bank->regs->irqenable); bank->context.irqenable2 = - __raw_readl(bank->base + OMAP24XX_GPIO_IRQENABLE2); + __raw_readl(bank->base + bank->regs->irqenable2); bank->context.wake_en = - __raw_readl(bank->base + OMAP24XX_GPIO_WAKE_EN); - bank->context.ctrl = __raw_readl(bank->base + OMAP24XX_GPIO_CTRL); - bank->context.oe = __raw_readl(bank->base + OMAP24XX_GPIO_OE); + __raw_readl(bank->base + bank->regs->wkup_status); + bank->context.ctrl = __raw_readl(bank->base + bank->regs->ctrl); + bank->context.oe = __raw_readl(bank->base + bank->regs->direction); bank->context.leveldetect0 = - __raw_readl(bank->base + OMAP24XX_GPIO_LEVELDETECT0); + __raw_readl(bank->base + bank->regs->leveldetect0); bank->context.leveldetect1 = - __raw_readl(bank->base + OMAP24XX_GPIO_LEVELDETECT1); + __raw_readl(bank->base + bank->regs->leveldetect1); bank->context.risingdetect = - __raw_readl(bank->base + OMAP24XX_GPIO_RISINGDETECT); + __raw_readl(bank->base + bank->regs->risingdetect); bank->context.fallingdetect = - __raw_readl(bank->base + OMAP24XX_GPIO_FALLINGDETECT); - bank->context.dataout = - __raw_readl(bank->base + OMAP24XX_GPIO_DATAOUT); + __raw_readl(bank->base + bank->regs->fallingdetect); + bank->context.dataout = __raw_readl(bank->base + bank->regs->dataout); } static void omap_gpio_restore_context(struct gpio_bank *bank) { __raw_writel(bank->context.irqenable1, - bank->base + OMAP24XX_GPIO_IRQENABLE1); + bank->base + bank->regs->irqenable); __raw_writel(bank->context.irqenable2, - bank->base + OMAP24XX_GPIO_IRQENABLE2); + bank->base + bank->regs->irqenable2); __raw_writel(bank->context.wake_en, - bank->base + OMAP24XX_GPIO_WAKE_EN); - __raw_writel(bank->context.ctrl, bank->base + OMAP24XX_GPIO_CTRL); - __raw_writel(bank->context.oe, bank->base + OMAP24XX_GPIO_OE); + bank->base + bank->regs->wkup_status); + __raw_writel(bank->context.ctrl, bank->base + bank->regs->ctrl); + __raw_writel(bank->context.oe, bank->base + bank->regs->direction); __raw_writel(bank->context.leveldetect0, - bank->base + OMAP24XX_GPIO_LEVELDETECT0); + bank->base + bank->regs->leveldetect0); __raw_writel(bank->context.leveldetect1, - bank->base + OMAP24XX_GPIO_LEVELDETECT1); + bank->base + bank->regs->leveldetect1); __raw_writel(bank->context.risingdetect, - bank->base + OMAP24XX_GPIO_RISINGDETECT); + bank->base + bank->regs->risingdetect); __raw_writel(bank->context.fallingdetect, - bank->base + OMAP24XX_GPIO_FALLINGDETECT); - __raw_writel(bank->context.dataout, - bank->base + OMAP24XX_GPIO_DATAOUT); + bank->base + bank->regs->fallingdetect); + __raw_writel(bank->context.dataout, bank->base + bank->regs->dataout); } #endif