From: Thierry Reding <thierry.reding@avionic-design.de> To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Dmitry Torokhov <dmitry.torokhov@gmail.com>, Arnd Bergmann <arnd@arndb.de>, Wolfram Sang <w.sang@pengutronix.de>, Joerg Roedel <joro@8bytes.org>, iommu@lists.linux-foundation.org Subject: [PATCH 13/33] iommu: Convert to devm_ioremap_resource() Date: Mon, 21 Jan 2013 11:09:06 +0100 [thread overview] Message-ID: <1358762966-20791-14-git-send-email-thierry.reding@avionic-design.de> (raw) In-Reply-To: <1358762966-20791-1-git-send-email-thierry.reding@avionic-design.de> Convert all uses of devm_request_and_ioremap() to the newly introduced devm_ioremap_resource() which provides more consistent error handling. devm_ioremap_resource() provides its own error messages so all explicit error messages can be removed from the failure code paths. Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de> Cc: Joerg Roedel <joro@8bytes.org> Cc: iommu@lists.linux-foundation.org --- drivers/iommu/tegra-smmu.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c index fc17889..f08dbcd 100644 --- a/drivers/iommu/tegra-smmu.c +++ b/drivers/iommu/tegra-smmu.c @@ -19,6 +19,7 @@ #define pr_fmt(fmt) "%s(): " fmt, __func__ +#include <linux/err.h> #include <linux/module.h> #include <linux/platform_device.h> #include <linux/spinlock.h> @@ -1176,9 +1177,9 @@ static int tegra_smmu_probe(struct platform_device *pdev) res = platform_get_resource(pdev, IORESOURCE_MEM, i); if (!res) return -ENODEV; - smmu->regs[i] = devm_request_and_ioremap(&pdev->dev, res); - if (!smmu->regs[i]) - return -EBUSY; + smmu->regs[i] = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(smmu->regs[i])) + return PTR_ERR(smmu->regs[i]); } err = of_get_dma_window(dev->of_node, NULL, 0, NULL, &base, &size); -- 1.8.1.1
WARNING: multiple messages have this Message-ID (diff)
From: Thierry Reding <thierry.reding-RM9K5IK7kjKj5M59NBduVrNAH6kLmebB@public.gmane.org> To: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>, Greg Kroah-Hartman <gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>, Dmitry Torokhov <dmitry.torokhov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, Wolfram Sang <w.sang-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>, iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Subject: [PATCH 13/33] iommu: Convert to devm_ioremap_resource() Date: Mon, 21 Jan 2013 11:09:06 +0100 [thread overview] Message-ID: <1358762966-20791-14-git-send-email-thierry.reding@avionic-design.de> (raw) In-Reply-To: <1358762966-20791-1-git-send-email-thierry.reding-RM9K5IK7kjKj5M59NBduVrNAH6kLmebB@public.gmane.org> Convert all uses of devm_request_and_ioremap() to the newly introduced devm_ioremap_resource() which provides more consistent error handling. devm_ioremap_resource() provides its own error messages so all explicit error messages can be removed from the failure code paths. Signed-off-by: Thierry Reding <thierry.reding-RM9K5IK7kjKj5M59NBduVrNAH6kLmebB@public.gmane.org> Cc: Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org> Cc: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org --- drivers/iommu/tegra-smmu.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c index fc17889..f08dbcd 100644 --- a/drivers/iommu/tegra-smmu.c +++ b/drivers/iommu/tegra-smmu.c @@ -19,6 +19,7 @@ #define pr_fmt(fmt) "%s(): " fmt, __func__ +#include <linux/err.h> #include <linux/module.h> #include <linux/platform_device.h> #include <linux/spinlock.h> @@ -1176,9 +1177,9 @@ static int tegra_smmu_probe(struct platform_device *pdev) res = platform_get_resource(pdev, IORESOURCE_MEM, i); if (!res) return -ENODEV; - smmu->regs[i] = devm_request_and_ioremap(&pdev->dev, res); - if (!smmu->regs[i]) - return -EBUSY; + smmu->regs[i] = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(smmu->regs[i])) + return PTR_ERR(smmu->regs[i]); } err = of_get_dma_window(dev->of_node, NULL, 0, NULL, &base, &size); -- 1.8.1.1
next prev parent reply other threads:[~2013-01-21 10:09 UTC|newest] Thread overview: 100+ messages / expand[flat|nested] mbox.gz Atom feed top 2013-01-21 10:08 [PATCH 00/33] Sanitize devm_request_and_ioremap() Thierry Reding 2013-01-21 10:08 ` [PATCH 01/33] lib: devres: Introduce devm_ioremap_resource() Thierry Reding 2013-01-21 10:26 ` Dmitry Torokhov 2013-01-22 17:40 ` Greg Kroah-Hartman 2013-01-22 21:00 ` Thierry Reding 2013-01-21 10:08 ` [PATCH 02/33] ARM: Convert to devm_ioremap_resource() Thierry Reding 2013-01-21 10:08 ` Thierry Reding 2013-01-21 15:58 ` Russell King - ARM Linux 2013-01-21 15:58 ` Russell King - ARM Linux 2013-01-21 16:05 ` Thierry Reding 2013-01-21 16:05 ` Thierry Reding 2013-01-21 16:16 ` Russell King - ARM Linux 2013-01-21 16:16 ` Russell King - ARM Linux 2013-01-21 17:23 ` Arnd Bergmann 2013-01-21 17:23 ` Arnd Bergmann 2013-01-22 17:37 ` Greg Kroah-Hartman 2013-01-22 17:37 ` Greg Kroah-Hartman 2013-01-21 10:08 ` [PATCH 03/33] MIPS: " Thierry Reding 2013-01-21 10:08 ` [PATCH 04/33] amba: " Thierry Reding 2013-01-21 10:08 ` [PATCH 05/33] ata: " Thierry Reding 2013-01-21 10:08 ` [PATCH 06/33] char: " Thierry Reding 2013-01-21 10:09 ` [PATCH 07/33] dma: " Thierry Reding 2013-01-28 16:00 ` Vinod Koul 2013-01-28 17:20 ` Thierry Reding 2013-01-29 13:11 ` Andy Shevchenko 2013-01-29 13:21 ` Greg Kroah-Hartman 2013-01-21 10:09 ` [PATCH 08/33] gpio: " Thierry Reding 2013-01-21 10:52 ` Viresh Kumar 2013-02-09 13:52 ` Grant Likely 2013-02-11 13:53 ` Linus Walleij 2013-02-11 15:07 ` Russell King - ARM Linux 2013-01-22 10:15 ` Linus Walleij 2013-01-22 10:25 ` Thierry Reding 2013-01-22 16:08 ` Greg Kroah-Hartman 2013-01-22 16:15 ` Thierry Reding 2013-01-23 8:36 ` Linus Walleij 2013-01-22 11:39 ` Gregory CLEMENT 2013-01-22 11:49 ` Thierry Reding 2013-01-21 10:09 ` [PATCH 09/33] drm: " Thierry Reding 2013-01-21 10:09 ` Thierry Reding 2013-01-21 10:09 ` [PATCH 10/33] i2c: " Thierry Reding 2013-01-22 22:30 ` Wolfram Sang 2013-01-22 22:30 ` Wolfram Sang 2013-01-21 10:09 ` [PATCH 11/33] iio: " Thierry Reding 2013-01-22 12:12 ` Jonathan Cameron 2013-01-21 10:09 ` [PATCH 12/33] Input: " Thierry Reding 2013-01-21 10:27 ` Dmitry Torokhov 2013-01-21 10:45 ` Viresh Kumar 2013-01-21 10:49 ` Thierry Reding 2013-01-21 10:57 ` Viresh Kumar 2013-01-21 11:00 ` Thierry Reding 2013-01-21 10:09 ` Thierry Reding [this message] 2013-01-21 10:09 ` [PATCH 13/33] iommu: " Thierry Reding 2013-01-21 10:09 ` [PATCH 14/33] media: " Thierry Reding 2013-01-22 11:04 ` Sylwester Nawrocki 2013-01-21 10:09 ` [PATCH 15/33] memory: " Thierry Reding 2013-01-21 10:09 ` [PATCH 16/33] mfd: " Thierry Reding 2013-02-03 17:22 ` Samuel Ortiz 2013-02-03 22:32 ` Samuel Ortiz 2013-01-21 10:09 ` [PATCH 17/33] misc: " Thierry Reding 2013-01-21 10:09 ` [PATCH 18/33] mmc: " Thierry Reding 2013-01-21 10:09 ` [PATCH 19/33] mtd: " Thierry Reding 2013-01-21 10:09 ` Thierry Reding 2013-01-21 10:09 ` [PATCH 20/33] net: " Thierry Reding 2013-01-21 20:29 ` David Miller 2013-01-22 6:56 ` Thierry Reding 2013-01-22 13:03 ` Arnd Bergmann 2013-01-22 13:09 ` Thierry Reding 2013-01-22 13:17 ` Arnd Bergmann 2013-01-22 19:08 ` David Miller 2013-01-22 18:58 ` David Miller 2013-01-21 10:09 ` [PATCH 21/33] pinctrl: " Thierry Reding 2013-01-21 10:50 ` Viresh Kumar 2013-01-21 10:09 ` [PATCH 22/33] power: " Thierry Reding 2013-01-21 10:09 ` [PATCH 23/33] pwm: " Thierry Reding 2013-01-21 10:49 ` Viresh Kumar 2013-01-21 10:09 ` [PATCH 24/33] rtc: " Thierry Reding 2013-01-21 10:50 ` Viresh Kumar 2013-01-21 10:09 ` [PATCH 25/33] spi: " Thierry Reding 2013-02-05 14:20 ` Grant Likely 2013-02-05 14:20 ` Grant Likely 2013-01-21 10:09 ` [PATCH 26/33] staging: " Thierry Reding 2013-01-21 10:09 ` [PATCH 27/33] thermal: " Thierry Reding 2013-01-21 10:09 ` [PATCH 28/33] serial: " Thierry Reding 2013-01-21 10:09 ` [PATCH 29/33] usb: " Thierry Reding 2013-01-21 17:16 ` Alan Stern 2013-01-21 18:50 ` Felipe Balbi 2013-01-21 10:09 ` [PATCH 30/33] video: " Thierry Reding 2013-01-21 10:09 ` Thierry Reding 2013-01-22 4:17 ` Jingoo Han 2013-01-22 4:17 ` Jingoo Han 2013-01-21 10:09 ` [PATCH 31/33] w1: " Thierry Reding 2013-01-21 10:27 ` Evgeniy Polyakov 2013-01-21 10:09 ` [PATCH 32/33] watchdog: " Thierry Reding 2013-01-21 10:09 ` [PATCH 33/33] ASoC: " Thierry Reding 2013-01-21 10:09 ` Thierry Reding 2013-01-22 7:48 ` Mark Brown 2013-01-22 7:55 ` Thierry Reding 2013-01-22 8:01 ` Mark Brown 2013-02-09 13:58 ` [PATCH 00/33] Sanitize devm_request_and_ioremap() Grant Likely
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