提交 3cc2d009 编写于 作者: W Wolfram Sang

drivers/i2c/busses: don't check resource with devm_ioremap_resource

devm_ioremap_resource does sanity checks on the given resource. No need to
duplicate this in the driver.
Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
上级 e42dba56
......@@ -646,13 +646,6 @@ static int davinci_i2c_probe(struct platform_device *pdev)
struct resource *mem, *irq;
int r;
/* NOTE: driver uses the static register mapping */
mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!mem) {
dev_err(&pdev->dev, "no mem resource?\n");
return -ENODEV;
}
irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
if (!irq) {
dev_err(&pdev->dev, "no irq resource?\n");
......@@ -697,6 +690,7 @@ static int davinci_i2c_probe(struct platform_device *pdev)
return -ENODEV;
clk_prepare_enable(dev->clk);
mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
dev->base = devm_ioremap_resource(&pdev->dev, mem);
if (IS_ERR(dev->base)) {
r = PTR_ERR(dev->base);
......
......@@ -87,13 +87,6 @@ static int dw_i2c_probe(struct platform_device *pdev)
struct resource *mem;
int irq, r;
/* NOTE: driver uses the static register mapping */
mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!mem) {
dev_err(&pdev->dev, "no mem resource?\n");
return -EINVAL;
}
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
dev_err(&pdev->dev, "no irq resource?\n");
......@@ -104,6 +97,7 @@ static int dw_i2c_probe(struct platform_device *pdev)
if (!dev)
return -ENOMEM;
mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
dev->base = devm_ioremap_resource(&pdev->dev, mem);
if (IS_ERR(dev->base))
return PTR_ERR(dev->base);
......
......@@ -498,17 +498,13 @@ static int __init i2c_imx_probe(struct platform_device *pdev)
dev_dbg(&pdev->dev, "<%s>\n", __func__);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
dev_err(&pdev->dev, "can't get device resources\n");
return -ENOENT;
}
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
dev_err(&pdev->dev, "can't get irq number\n");
return -ENOENT;
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
base = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(base))
return PTR_ERR(base);
......
......@@ -1084,13 +1084,6 @@ omap_i2c_probe(struct platform_device *pdev)
u32 rev;
u16 minor, major, scheme;
/* NOTE: driver uses the static register mapping */
mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!mem) {
dev_err(&pdev->dev, "no mem resource?\n");
return -ENODEV;
}
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
dev_err(&pdev->dev, "no irq resource?\n");
......@@ -1103,6 +1096,7 @@ omap_i2c_probe(struct platform_device *pdev)
return -ENOMEM;
}
mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
dev->base = devm_ioremap_resource(&pdev->dev, mem);
if (IS_ERR(dev->base))
return PTR_ERR(dev->base);
......
......@@ -623,12 +623,6 @@ static int rcar_i2c_probe(struct platform_device *pdev)
u32 bus_speed;
int ret;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
dev_err(dev, "no mmio resources\n");
return -ENODEV;
}
priv = devm_kzalloc(dev, sizeof(struct rcar_i2c_priv), GFP_KERNEL);
if (!priv) {
dev_err(dev, "no mem for private data\n");
......@@ -642,6 +636,7 @@ static int rcar_i2c_probe(struct platform_device *pdev)
if (ret < 0)
return ret;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
priv->io = devm_ioremap_resource(dev, res);
if (IS_ERR(priv->io))
return PTR_ERR(priv->io);
......
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