From patchwork Fri May 20 15:14:51 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kevin Hilman X-Patchwork-Id: 804012 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter2.kernel.org (8.14.4/8.14.3) with ESMTP id p4KFFjOj010199 for ; Fri, 20 May 2011 15:15:45 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933757Ab1ETPPn (ORCPT ); Fri, 20 May 2011 11:15:43 -0400 Received: from na3sys009aog107.obsmtp.com ([74.125.149.197]:53341 "EHLO na3sys009aog107.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933413Ab1ETPPn (ORCPT ); Fri, 20 May 2011 11:15:43 -0400 Received: from mail-ww0-f41.google.com ([74.125.82.41]) (using TLSv1) by na3sys009aob107.postini.com ([74.125.148.12]) with SMTP ID DSNKTdaFlMJCuNgkomSSmVzj6uqqugHkhn6q@postini.com; Fri, 20 May 2011 08:15:42 PDT Received: by wwi18 with SMTP id 18so574742wwi.4 for ; Fri, 20 May 2011 08:15:28 -0700 (PDT) Received: by 10.227.200.3 with SMTP id eu3mr4362149wbb.94.1305904528751; Fri, 20 May 2011 08:15:28 -0700 (PDT) Received: from localhost ([192.91.60.233]) by mx.google.com with ESMTPS id l24sm2353645wbc.13.2011.05.20.08.15.25 (version=TLSv1/SSLv3 cipher=OTHER); Fri, 20 May 2011 08:15:26 -0700 (PDT) From: Kevin Hilman To: linux-omap@vger.kernel.org, Grant Likely , Linus Walleij Cc: linux-arm-kernel@lists.infradead.org Subject: [PATCH 08/14] GPIO: OMAP: consolidate IRQ status handling, remove #ifdefs Date: Fri, 20 May 2011 17:14:51 +0200 Message-Id: <1305904497-26013-9-git-send-email-khilman@ti.com> X-Mailer: git-send-email 1.7.3.4 In-Reply-To: <1305904497-26013-1-git-send-email-khilman@ti.com> References: <1305904497-26013-1-git-send-email-khilman@ti.com> Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter2.kernel.org [140.211.167.43]); Fri, 20 May 2011 15:15:45 +0000 (UTC) Cleanup IRQ status handling by passing IRQ status register offsets via platform data. Cleans up clearing of GPIO IRQ status and GPIO ISR handler. Signed-off-by: Kevin Hilman --- arch/arm/mach-omap1/gpio15xx.c | 2 + arch/arm/mach-omap1/gpio16xx.c | 2 + arch/arm/mach-omap1/gpio7xx.c | 2 + arch/arm/mach-omap2/gpio.c | 4 ++ arch/arm/plat-omap/include/plat/gpio.h | 2 + drivers/gpio/gpio_omap.c | 66 ++----------------------------- 6 files changed, 17 insertions(+), 61 deletions(-) diff --git a/arch/arm/mach-omap1/gpio15xx.c b/arch/arm/mach-omap1/gpio15xx.c index a622d56..487a087 100644 --- a/arch/arm/mach-omap1/gpio15xx.c +++ b/arch/arm/mach-omap1/gpio15xx.c @@ -38,6 +38,7 @@ static struct omap_gpio_reg_offs omap15xx_mpuio_regs = { .direction = OMAP_MPUIO_IO_CNTL, .datain = OMAP_MPUIO_INPUT_LATCH, .dataout = OMAP_MPUIO_OUTPUT, + .irqstatus = OMAP_MPUIO_GPIO_INT, }; static struct __initdata omap_gpio_platform_data omap15xx_mpu_gpio_config = { @@ -75,6 +76,7 @@ static struct omap_gpio_reg_offs omap15xx_gpio_regs = { .direction = OMAP1510_GPIO_DIR_CONTROL, .datain = OMAP1510_GPIO_DATA_INPUT, .dataout = OMAP1510_GPIO_DATA_OUTPUT, + .irqstatus = OMAP1510_GPIO_INT_STATUS, }; static struct __initdata omap_gpio_platform_data omap15xx_gpio_config = { diff --git a/arch/arm/mach-omap1/gpio16xx.c b/arch/arm/mach-omap1/gpio16xx.c index 4ff6ff3..3e52b7f 100644 --- a/arch/arm/mach-omap1/gpio16xx.c +++ b/arch/arm/mach-omap1/gpio16xx.c @@ -41,6 +41,7 @@ static struct omap_gpio_reg_offs omap16xx_mpuio_regs = { .direction = OMAP_MPUIO_IO_CNTL, .datain = OMAP_MPUIO_INPUT_LATCH, .dataout = OMAP_MPUIO_OUTPUT, + .irqstatus = OMAP_MPUIO_GPIO_INT, }; static struct __initdata omap_gpio_platform_data omap16xx_mpu_gpio_config = { @@ -80,6 +81,7 @@ static struct omap_gpio_reg_offs omap16xx_gpio_regs = { .clr_dataout = OMAP1610_GPIO_CLEAR_DATAOUT, .datain = OMAP1610_GPIO_DATAIN, .dataout = OMAP1610_GPIO_DATAOUT, + .irqstatus = OMAP1610_GPIO_IRQSTATUS1, }; static struct __initdata omap_gpio_platform_data omap16xx_gpio1_config = { diff --git a/arch/arm/mach-omap1/gpio7xx.c b/arch/arm/mach-omap1/gpio7xx.c index efe4dcc..35e8b31 100644 --- a/arch/arm/mach-omap1/gpio7xx.c +++ b/arch/arm/mach-omap1/gpio7xx.c @@ -43,6 +43,7 @@ static struct omap_gpio_reg_offs omap7xx_mpuio_regs = { .direction = OMAP_MPUIO_IO_CNTL / 2, .datain = OMAP_MPUIO_INPUT_LATCH / 2, .dataout = OMAP_MPUIO_OUTPUT / 2, + .irqstatus = OMAP_MPUIO_GPIO_INT / 2, }; static struct __initdata omap_gpio_platform_data omap7xx_mpu_gpio_config = { @@ -80,6 +81,7 @@ static struct omap_gpio_reg_offs omap7xx_gpio_regs = { .direction = OMAP7XX_GPIO_DIR_CONTROL, .datain = OMAP7XX_GPIO_DATA_INPUT, .dataout = OMAP7XX_GPIO_DATA_OUTPUT, + .irqstatus = OMAP7XX_GPIO_INT_STATUS, }; static struct __initdata omap_gpio_platform_data omap7xx_gpio1_config = { diff --git a/arch/arm/mach-omap2/gpio.c b/arch/arm/mach-omap2/gpio.c index 357e069..7c5e67d 100644 --- a/arch/arm/mach-omap2/gpio.c +++ b/arch/arm/mach-omap2/gpio.c @@ -76,6 +76,8 @@ static int omap2_gpio_dev_init(struct omap_hwmod *oh, void *unused) pdata->regs->dataout = OMAP24XX_GPIO_DATAOUT; pdata->regs->set_dataout = OMAP24XX_GPIO_SETDATAOUT; pdata->regs->clr_dataout = OMAP24XX_GPIO_CLEARDATAOUT; + pdata->regs->irqstatus = OMAP24XX_GPIO_IRQSTATUS1; + pdata->regs->irqstatus2 = OMAP24XX_GPIO_IRQSTATUS2; break; case 2: pdata->bank_type = METHOD_GPIO_44XX; @@ -84,6 +86,8 @@ static int omap2_gpio_dev_init(struct omap_hwmod *oh, void *unused) pdata->regs->dataout = OMAP4_GPIO_DATAOUT; pdata->regs->set_dataout = OMAP4_GPIO_SETDATAOUT; pdata->regs->clr_dataout = OMAP4_GPIO_CLEARDATAOUT; + pdata->regs->irqstatus = OMAP4_GPIO_IRQSTATUS0; + pdata->regs->irqstatus2 = OMAP4_GPIO_IRQSTATUS1; break; default: WARN(1, "Invalid gpio bank_type\n"); diff --git a/arch/arm/plat-omap/include/plat/gpio.h b/arch/arm/plat-omap/include/plat/gpio.h index 268bccd..aedd732 100644 --- a/arch/arm/plat-omap/include/plat/gpio.h +++ b/arch/arm/plat-omap/include/plat/gpio.h @@ -180,6 +180,8 @@ struct omap_gpio_reg_offs { u16 dataout; u16 set_dataout; u16 clr_dataout; + u16 irqstatus; + u16 irqstatus2; }; struct omap_gpio_platform_data { diff --git a/drivers/gpio/gpio_omap.c b/drivers/gpio/gpio_omap.c index b9a3985..7b332cb 100644 --- a/drivers/gpio/gpio_omap.c +++ b/drivers/gpio/gpio_omap.c @@ -489,46 +489,14 @@ static void _clear_gpio_irqbank(struct gpio_bank *bank, int gpio_mask) { void __iomem *reg = bank->base; - switch (bank->method) { -#ifdef CONFIG_ARCH_OMAP15XX - case METHOD_GPIO_1510: - reg += OMAP1510_GPIO_INT_STATUS; - break; -#endif -#ifdef CONFIG_ARCH_OMAP16XX - case METHOD_GPIO_1610: - reg += OMAP1610_GPIO_IRQSTATUS1; - break; -#endif -#if defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850) - case METHOD_GPIO_7XX: - reg += OMAP7XX_GPIO_INT_STATUS; - break; -#endif -#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) - case METHOD_GPIO_24XX: - reg += OMAP24XX_GPIO_IRQSTATUS1; - break; -#endif -#if defined(CONFIG_ARCH_OMAP4) - case METHOD_GPIO_44XX: - reg += OMAP4_GPIO_IRQSTATUS0; - break; -#endif - default: - WARN_ON(1); - return; - } + reg += bank->regs->irqstatus; __raw_writel(gpio_mask, reg); /* Workaround for clearing DSP GPIO interrupts to allow retention */ - if (cpu_is_omap24xx() || cpu_is_omap34xx()) - reg = bank->base + OMAP24XX_GPIO_IRQSTATUS2; - else if (cpu_is_omap44xx()) - reg = bank->base + OMAP4_GPIO_IRQSTATUS1; - - if (cpu_is_omap24xx() || cpu_is_omap34xx() || cpu_is_omap44xx()) + if (bank->regs->irqstatus2) { + reg = bank->base + bank->regs->irqstatus2; __raw_writel(gpio_mask, reg); + } /* Flush posted write for the irq status to avoid spurious interrupts */ __raw_readl(reg); @@ -848,31 +816,7 @@ static void gpio_irq_handler(unsigned int irq, struct irq_desc *desc) desc->irq_data.chip->irq_ack(&desc->irq_data); bank = irq_get_handler_data(irq); -#ifdef CONFIG_ARCH_OMAP1 - if (bank->method == METHOD_MPUIO) - isr_reg = bank->base + - OMAP_MPUIO_GPIO_INT / bank->stride; -#endif -#ifdef CONFIG_ARCH_OMAP15XX - if (bank->method == METHOD_GPIO_1510) - isr_reg = bank->base + OMAP1510_GPIO_INT_STATUS; -#endif -#if defined(CONFIG_ARCH_OMAP16XX) - if (bank->method == METHOD_GPIO_1610) - isr_reg = bank->base + OMAP1610_GPIO_IRQSTATUS1; -#endif -#if defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850) - if (bank->method == METHOD_GPIO_7XX) - isr_reg = bank->base + OMAP7XX_GPIO_INT_STATUS; -#endif -#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) - if (bank->method == METHOD_GPIO_24XX) - isr_reg = bank->base + OMAP24XX_GPIO_IRQSTATUS1; -#endif -#if defined(CONFIG_ARCH_OMAP4) - if (bank->method == METHOD_GPIO_44XX) - isr_reg = bank->base + OMAP4_GPIO_IRQSTATUS0; -#endif + isr_reg = bank->base + bank->regs->irqstatus; if (WARN_ON(!isr_reg)) goto exit;