devm_ioremap_resource does sanity checks on the given resource. No need to duplicate this in the driver.
Signed-off-by: Wolfram Sang <[email protected]> --- drivers/rtc/rtc-nuc900.c | 6 +----- drivers/rtc/rtc-omap.c | 5 ----- drivers/rtc/rtc-s3c.c | 5 ----- drivers/rtc/rtc-spear.c | 7 +------ drivers/rtc/rtc-tegra.c | 6 ------ 5 files changed, 2 insertions(+), 27 deletions(-) diff --git a/drivers/rtc/rtc-nuc900.c b/drivers/rtc/rtc-nuc900.c index f5dfb6e..c0f54ec 100644 --- a/drivers/rtc/rtc-nuc900.c +++ b/drivers/rtc/rtc-nuc900.c @@ -233,12 +233,8 @@ static int __init nuc900_rtc_probe(struct platform_device *pdev) dev_err(&pdev->dev, "kzalloc nuc900_rtc failed\n"); return -ENOMEM; } - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(&pdev->dev, "platform_get_resource failed\n"); - return -ENXIO; - } + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); nuc900_rtc->rtc_reg = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(nuc900_rtc->rtc_reg)) return PTR_ERR(nuc900_rtc->rtc_reg); diff --git a/drivers/rtc/rtc-omap.c b/drivers/rtc/rtc-omap.c index 4e1bdb8..b0ba3fc 100644 --- a/drivers/rtc/rtc-omap.c +++ b/drivers/rtc/rtc-omap.c @@ -347,11 +347,6 @@ static int __init omap_rtc_probe(struct platform_device *pdev) } res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - pr_debug("%s: RTC resource data missing\n", pdev->name); - return -ENOENT; - } - rtc_base = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(rtc_base)) return PTR_ERR(rtc_base); diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c index 14040b2..0b495e8 100644 --- a/drivers/rtc/rtc-s3c.c +++ b/drivers/rtc/rtc-s3c.c @@ -477,11 +477,6 @@ static int s3c_rtc_probe(struct platform_device *pdev) /* get the memory region */ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (res == NULL) { - dev_err(&pdev->dev, "failed to get memory region resource\n"); - return -ENOENT; - } - s3c_rtc_base = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(s3c_rtc_base)) return PTR_ERR(s3c_rtc_base); diff --git a/drivers/rtc/rtc-spear.c b/drivers/rtc/rtc-spear.c index 574359c..34eed6a 100644 --- a/drivers/rtc/rtc-spear.c +++ b/drivers/rtc/rtc-spear.c @@ -358,12 +358,6 @@ static int spear_rtc_probe(struct platform_device *pdev) int status = 0; int irq; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(&pdev->dev, "no resource defined\n"); - return -EBUSY; - } - config = devm_kzalloc(&pdev->dev, sizeof(*config), GFP_KERNEL); if (!config) { dev_err(&pdev->dev, "out of memory\n"); @@ -385,6 +379,7 @@ static int spear_rtc_probe(struct platform_device *pdev) return status; } + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); config->ioaddr = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(config->ioaddr)) return PTR_ERR(config->ioaddr); diff --git a/drivers/rtc/rtc-tegra.c b/drivers/rtc/rtc-tegra.c index a34315d..76af92a 100644 --- a/drivers/rtc/rtc-tegra.c +++ b/drivers/rtc/rtc-tegra.c @@ -322,12 +322,6 @@ static int __init tegra_rtc_probe(struct platform_device *pdev) return -ENOMEM; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(&pdev->dev, - "Unable to allocate resources for device.\n"); - return -EBUSY; - } - info->rtc_base = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(info->rtc_base)) return PTR_ERR(info->rtc_base); -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
