From 924ff918ad8c7e5665b05d9c7b258623c88d65c5 Mon Sep 17 00:00:00 2001 From: Jingoo Han Date: Wed, 12 Feb 2014 14:31:49 +0900 Subject: mfd: ti_am335x_tscadc: Use devm_ioremap_resource() Use devm_ioremap_resource() in order to make the code simpler, and remove redundant return value check of platform_get_resource() because the value is checked by devm_ioremap_resource(). Signed-off-by: Jingoo Han Signed-off-by: Lee Jones --- drivers/mfd/ti_am335x_tscadc.c | 23 ++++------------------- 1 file changed, 4 insertions(+), 19 deletions(-) (limited to 'drivers/mfd/ti_am335x_tscadc.c') diff --git a/drivers/mfd/ti_am335x_tscadc.c b/drivers/mfd/ti_am335x_tscadc.c index 6000c49a352c..dd4bf5816221 100644 --- a/drivers/mfd/ti_am335x_tscadc.c +++ b/drivers/mfd/ti_am335x_tscadc.c @@ -183,12 +183,6 @@ static int ti_tscadc_probe(struct platform_device *pdev) return -EINVAL; } - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(&pdev->dev, "no memory resource defined.\n"); - return -EINVAL; - } - /* Allocate memory for device */ tscadc = devm_kzalloc(&pdev->dev, sizeof(struct ti_tscadc_dev), GFP_KERNEL); @@ -205,19 +199,10 @@ static int ti_tscadc_probe(struct platform_device *pdev) } else tscadc->irq = err; - res = devm_request_mem_region(&pdev->dev, - res->start, resource_size(res), pdev->name); - if (!res) { - dev_err(&pdev->dev, "failed to reserve registers.\n"); - return -EBUSY; - } - - tscadc->tscadc_base = devm_ioremap(&pdev->dev, - res->start, resource_size(res)); - if (!tscadc->tscadc_base) { - dev_err(&pdev->dev, "failed to map registers.\n"); - return -ENOMEM; - } + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + tscadc->tscadc_base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(tscadc->tscadc_base)) + return PTR_ERR(tscadc->tscadc_base); tscadc->regmap_tscadc = devm_regmap_init_mmio(&pdev->dev, tscadc->tscadc_base, &tscadc_regmap_config); -- cgit v1.2.2