From patchwork Tue May 24 14:24:50 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: 812262 Received: from bombadil.infradead.org (bombadil.infradead.org [18.85.46.34]) by demeter2.kernel.org (8.14.4/8.14.3) with ESMTP id p4OETAZ6015488 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Tue, 24 May 2011 14:29:31 GMT Received: from canuck.infradead.org ([2001:4978:20e::1]) by bombadil.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1QOsa2-0005Nk-GV; Tue, 24 May 2011 14:27:30 +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 1QOsa0-0000Ee-Ku; Tue, 24 May 2011 14:27:28 +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 1QOsXk-00006T-LW for linux-arm-kernel@lists.infradead.org; Tue, 24 May 2011 14:25:19 +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 p4OEP4bb001236 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 24 May 2011 09:25:06 -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 p4OEP0DS028489; Tue, 24 May 2011 19:55:00 +0530 (IST) Received: from dbdp31.itg.ti.com (172.24.170.98) by DBDE71.ent.ti.com (172.24.170.149) with Microsoft SMTP Server id 8.3.106.1; Tue, 24 May 2011 19:55:00 +0530 Received: from localhost.localdomain ([172.24.190.106]) by dbdp31.itg.ti.com (8.13.8/8.13.8) with ESMTP id p4OEOsqG004036; Tue, 24 May 2011 19:54:59 +0530 (IST) From: Tarun Kanti DebBarma To: Subject: [PATCH 11/15] OMAP: GPIO: Remove hardcoded offsets in ctxt save/restore Date: Tue, 24 May 2011 19:54:50 +0530 Message-ID: <1306247094-25372-12-git-send-email-tarun.kanti@ti.com> X-Mailer: git-send-email 1.6.0.4 In-Reply-To: <1306247094-25372-1-git-send-email-tarun.kanti@ti.com> References: <1306247094-25372-1-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-20110524_102509_332882_B05B37AB X-CRM114-Status: GOOD ( 11.26 ) 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 T_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 (demeter2.kernel.org [140.211.167.43]); Tue, 24 May 2011 14:29:31 +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 | 123 ++++++++++---------------------- 3 files changed, 40 insertions(+), 86 deletions(-) diff --git a/arch/arm/mach-omap2/gpio.c b/arch/arm/mach-omap2/gpio.c index 0f8782f..5c888dd 100644 --- a/arch/arm/mach-omap2/gpio.c +++ b/arch/arm/mach-omap2/gpio.c @@ -106,6 +106,7 @@ 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; @@ -130,6 +131,7 @@ 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 7712e97..a341790 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 28390a9..05c2857 100644 --- a/drivers/gpio/gpio_omap.c +++ b/drivers/gpio/gpio_omap.c @@ -1395,96 +1395,47 @@ restore_gpio_ctx: void omap_gpio_save_context(struct gpio_bank *bank) { - if (bank->method == METHOD_GPIO_24XX) { - bank->context.irqenable1 = __raw_readl( - bank->base + OMAP24XX_GPIO_IRQENABLE1); - bank->context.irqenable2 = __raw_readl( - bank->base + OMAP24XX_GPIO_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); - bank->context.leveldetect0 = __raw_readl(bank->base + - OMAP24XX_GPIO_LEVELDETECT0); - bank->context.leveldetect1 = __raw_readl(bank->base + - OMAP24XX_GPIO_LEVELDETECT1); - bank->context.risingdetect = __raw_readl(bank->base + - OMAP24XX_GPIO_RISINGDETECT); - bank->context.fallingdetect = __raw_readl(bank->base + - OMAP24XX_GPIO_FALLINGDETECT); - bank->context.dataout = __raw_readl( - bank->base + OMAP24XX_GPIO_DATAOUT); - } else if (bank->method == METHOD_GPIO_44XX) { - bank->context.irqenable1 = __raw_readl( - bank->base + OMAP4_GPIO_IRQSTATUSSET0); - bank->context.irqenable2 = __raw_readl( - bank->base + OMAP4_GPIO_IRQSTATUSSET1); - bank->context.wake_en = __raw_readl( - bank->base + OMAP4_GPIO_IRQWAKEN0); - bank->context.ctrl = __raw_readl( - bank->base + OMAP4_GPIO_CTRL); - bank->context.oe = __raw_readl( - bank->base + OMAP24XX_GPIO_OE); - bank->context.leveldetect0 = __raw_readl(bank->base + - OMAP4_GPIO_LEVELDETECT0); - bank->context.leveldetect1 = __raw_readl(bank->base + - OMAP4_GPIO_LEVELDETECT1); - bank->context.risingdetect = __raw_readl(bank->base + - OMAP4_GPIO_RISINGDETECT); - bank->context.fallingdetect = __raw_readl(bank->base + - OMAP4_GPIO_FALLINGDETECT); - bank->context.dataout = __raw_readl( - bank->base + OMAP4_GPIO_DATAOUT); - } + bank->context.irqenable1 = + __raw_readl(bank->base + bank->regs->irqenable); + bank->context.irqenable2 = + __raw_readl(bank->base + bank->regs->irqenable2); + bank->context.wake_en = + __raw_readl(bank->base + bank->regs->wkupstatus); + 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 + bank->regs->leveldetect0); + bank->context.leveldetect1 = + __raw_readl(bank->base + bank->regs->leveldetect1); + bank->context.risingdetect = + __raw_readl(bank->base + bank->regs->risingdetect); + bank->context.fallingdetect = + __raw_readl(bank->base + bank->regs->fallingdetect); + bank->context.dataout = __raw_readl(bank->base + bank->regs->dataout); } void omap_gpio_restore_context(struct gpio_bank *bank) { - if (bank->method == METHOD_GPIO_24XX) { - __raw_writel(bank->context.irqenable1, bank->base + - OMAP24XX_GPIO_IRQENABLE1); - __raw_writel(bank->context.irqenable2, bank->base + - OMAP24XX_GPIO_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); - __raw_writel(bank->context.leveldetect0, bank->base + - OMAP24XX_GPIO_LEVELDETECT0); - __raw_writel(bank->context.leveldetect1, bank->base + - OMAP24XX_GPIO_LEVELDETECT1); - __raw_writel(bank->context.risingdetect, bank->base + - OMAP24XX_GPIO_RISINGDETECT); - __raw_writel(bank->context.fallingdetect, bank->base + - OMAP24XX_GPIO_FALLINGDETECT); - __raw_writel(bank->context.dataout, bank->base + - OMAP24XX_GPIO_DATAOUT); - } else if (bank->method == METHOD_GPIO_44XX) { - __raw_writel(bank->context.irqenable1, bank->base + - OMAP4_GPIO_IRQSTATUSSET0); - __raw_writel(bank->context.irqenable2, bank->base + - OMAP4_GPIO_IRQSTATUSSET1); - __raw_writel(bank->context.wake_en, bank->base + - OMAP4_GPIO_IRQWAKEN0); - __raw_writel(bank->context.ctrl, bank->base + - OMAP4_GPIO_CTRL); - __raw_writel(bank->context.oe, bank->base + - OMAP24XX_GPIO_OE); - __raw_writel(bank->context.leveldetect0, bank->base + - OMAP4_GPIO_LEVELDETECT0); - __raw_writel(bank->context.leveldetect1, bank->base + - OMAP4_GPIO_LEVELDETECT1); - __raw_writel(bank->context.risingdetect, bank->base + - OMAP4_GPIO_RISINGDETECT); - __raw_writel(bank->context.fallingdetect, bank->base + - OMAP4_GPIO_FALLINGDETECT); - __raw_writel(bank->context.dataout, bank->base + - OMAP4_GPIO_DATAOUT); - } + __raw_writel(bank->context.irqenable1, + bank->base + bank->regs->irqenable); + __raw_writel(bank->context.irqenable2, + bank->base + bank->regs->irqenable2); + __raw_writel(bank->context.wake_en, + bank->base + bank->regs->wkupstatus); + __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 + bank->regs->leveldetect0); + __raw_writel(bank->context.leveldetect1, + bank->base + bank->regs->leveldetect1); + __raw_writel(bank->context.risingdetect, + bank->base + bank->regs->risingdetect); + __raw_writel(bank->context.fallingdetect, + bank->base + bank->regs->fallingdetect); + __raw_writel(bank->context.dataout, + bank->base + bank->regs->dataout); } #endif