diff options
author | Markus Elfring <elfring@users.sourceforge.net> | 2019-09-21 11:49:01 +0200 |
---|---|---|
committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2019-10-06 21:04:51 +0200 |
commit | 89576bebbc175711af20107d5484a487ef969cf0 (patch) | |
tree | 11c38ebd63cbe239f2617d1357ee1e06bf6e755b /drivers | |
parent | rtc: interface: use timeu64_t for range_max (diff) | |
download | linux-89576bebbc175711af20107d5484a487ef969cf0.tar.xz linux-89576bebbc175711af20107d5484a487ef969cf0.zip |
rtc: Use devm_platform_ioremap_resource()
Simplify probe by using a known wrapper function.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Link: https://lore.kernel.org/r/4552ef52-f218-93b1-6dfa-668d137676f8@web.de
Link: https://lore.kernel.org/r/5ecfcf43-d6b2-1a38-dee8-b8806f30bc83@web.de
Link: https://lore.kernel.org/r/25448e11-c43f-9ae0-4c43-6f789accc026@web.de
Reviewed-by: Akinobu Mita <akinobu.mita@gmail.com>
Link: https://lore.kernel.org/r/8c17a59c-82ff-aa6b-5653-a38d786d3e83@web.de
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/rtc/rtc-fsl-ftm-alarm.c | 9 | ||||
-rw-r--r-- | drivers/rtc/rtc-goldfish.c | 8 | ||||
-rw-r--r-- | drivers/rtc/rtc-m48t86.c | 11 | ||||
-rw-r--r-- | drivers/rtc/rtc-r7301.c | 7 |
4 files changed, 5 insertions, 30 deletions
diff --git a/drivers/rtc/rtc-fsl-ftm-alarm.c b/drivers/rtc/rtc-fsl-ftm-alarm.c index 8df2075af9a2..b83f7afa8311 100644 --- a/drivers/rtc/rtc-fsl-ftm-alarm.c +++ b/drivers/rtc/rtc-fsl-ftm-alarm.c @@ -248,7 +248,6 @@ static const struct rtc_class_ops ftm_rtc_ops = { static int ftm_rtc_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; - struct resource *r; int irq; int ret; struct ftm_rtc *rtc; @@ -265,13 +264,7 @@ static int ftm_rtc_probe(struct platform_device *pdev) if (IS_ERR(rtc->rtc_dev)) return PTR_ERR(rtc->rtc_dev); - r = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!r) { - dev_err(&pdev->dev, "cannot get resource for rtc\n"); - return -ENODEV; - } - - rtc->base = devm_ioremap_resource(&pdev->dev, r); + rtc->base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(rtc->base)) { dev_err(&pdev->dev, "cannot ioremap resource for rtc\n"); return PTR_ERR(rtc->base); diff --git a/drivers/rtc/rtc-goldfish.c b/drivers/rtc/rtc-goldfish.c index 1a3420ee6a4d..cb6b0ad7ec3f 100644 --- a/drivers/rtc/rtc-goldfish.c +++ b/drivers/rtc/rtc-goldfish.c @@ -165,7 +165,6 @@ static const struct rtc_class_ops goldfish_rtc_ops = { static int goldfish_rtc_probe(struct platform_device *pdev) { struct goldfish_rtc *rtcdrv; - struct resource *r; int err; rtcdrv = devm_kzalloc(&pdev->dev, sizeof(*rtcdrv), GFP_KERNEL); @@ -173,12 +172,7 @@ static int goldfish_rtc_probe(struct platform_device *pdev) return -ENOMEM; platform_set_drvdata(pdev, rtcdrv); - - r = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!r) - return -ENODEV; - - rtcdrv->base = devm_ioremap_resource(&pdev->dev, r); + rtcdrv->base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(rtcdrv->base)) return -ENODEV; diff --git a/drivers/rtc/rtc-m48t86.c b/drivers/rtc/rtc-m48t86.c index 59b54ed9b841..75a0e73071d8 100644 --- a/drivers/rtc/rtc-m48t86.c +++ b/drivers/rtc/rtc-m48t86.c @@ -218,7 +218,6 @@ static bool m48t86_verify_chip(struct platform_device *pdev) static int m48t86_rtc_probe(struct platform_device *pdev) { struct m48t86_rtc_info *info; - struct resource *res; unsigned char reg; int err; struct nvmem_config m48t86_nvmem_cfg = { @@ -235,17 +234,11 @@ static int m48t86_rtc_probe(struct platform_device *pdev) if (!info) return -ENOMEM; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) - return -ENODEV; - info->index_reg = devm_ioremap_resource(&pdev->dev, res); + info->index_reg = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(info->index_reg)) return PTR_ERR(info->index_reg); - res = platform_get_resource(pdev, IORESOURCE_MEM, 1); - if (!res) - return -ENODEV; - info->data_reg = devm_ioremap_resource(&pdev->dev, res); + info->data_reg = devm_platform_ioremap_resource(pdev, 1); if (IS_ERR(info->data_reg)) return PTR_ERR(info->data_reg); diff --git a/drivers/rtc/rtc-r7301.c b/drivers/rtc/rtc-r7301.c index 2498278853af..aaf1b95e3990 100644 --- a/drivers/rtc/rtc-r7301.c +++ b/drivers/rtc/rtc-r7301.c @@ -354,21 +354,16 @@ static void rtc7301_init(struct rtc7301_priv *priv) static int __init rtc7301_rtc_probe(struct platform_device *dev) { - struct resource *res; void __iomem *regs; struct rtc7301_priv *priv; struct rtc_device *rtc; int ret; - res = platform_get_resource(dev, IORESOURCE_MEM, 0); - if (!res) - return -ENODEV; - priv = devm_kzalloc(&dev->dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; - regs = devm_ioremap_resource(&dev->dev, res); + regs = devm_platform_ioremap_resource(dev, 0); if (IS_ERR(regs)) return PTR_ERR(regs); |