devm_ioremap_resource does sanity checks on the given resource. No need to
duplicate this in the driver.

Signed-off-by: Wolfram Sang <w...@the-dreams.de>
---
 drivers/i2c/busses/i2c-davinci.c            |    6 +-----
 drivers/i2c/busses/i2c-designware-platdrv.c |    6 +-----
 drivers/i2c/busses/i2c-imx.c                |    6 +-----
 drivers/i2c/busses/i2c-omap.c               |    6 +-----
 drivers/i2c/busses/i2c-rcar.c               |    7 +------
 drivers/i2c/busses/i2c-s3c2410.c            |    5 -----
 drivers/i2c/busses/i2c-sirf.c               |    6 ------
 drivers/i2c/busses/i2c-tegra.c              |    5 -----
 8 files changed, 5 insertions(+), 42 deletions(-)

diff --git a/drivers/i2c/busses/i2c-davinci.c b/drivers/i2c/busses/i2c-davinci.c
index cf20e06..2ed3e7b 100644
--- a/drivers/i2c/busses/i2c-davinci.c
+++ b/drivers/i2c/busses/i2c-davinci.c
@@ -647,11 +647,6 @@ static int davinci_i2c_probe(struct platform_device *pdev)
        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) {
@@ -697,6 +692,7 @@ 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);
diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c 
b/drivers/i2c/busses/i2c-designware-platdrv.c
index 8ec9133..6f3c612 100644
--- a/drivers/i2c/busses/i2c-designware-platdrv.c
+++ b/drivers/i2c/busses/i2c-designware-platdrv.c
@@ -87,11 +87,6 @@ static int dw_i2c_probe(struct platform_device *pdev)
        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) {
@@ -103,6 +98,7 @@ 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);
diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
index 82f20c6..b274ca1 100644
--- a/drivers/i2c/busses/i2c-imx.c
+++ b/drivers/i2c/busses/i2c-imx.c
@@ -500,17 +500,13 @@ 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);
diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
index e02f9e3..8498ab7 100644
--- a/drivers/i2c/busses/i2c-omap.c
+++ b/drivers/i2c/busses/i2c-omap.c
@@ -1085,11 +1085,6 @@ omap_i2c_probe(struct platform_device *pdev)
        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) {
@@ -1103,6 +1098,7 @@ 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);
diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c
index 4ba4a95..0fc5858 100644
--- a/drivers/i2c/busses/i2c-rcar.c
+++ b/drivers/i2c/busses/i2c-rcar.c
@@ -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);
diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
index 6e8ee92..cab1c91 100644
--- a/drivers/i2c/busses/i2c-s3c2410.c
+++ b/drivers/i2c/busses/i2c-s3c2410.c
@@ -1082,11 +1082,6 @@ static int s3c24xx_i2c_probe(struct platform_device 
*pdev)
        /* map the registers */
 
        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       if (res == NULL) {
-               dev_err(&pdev->dev, "cannot find IO resource\n");
-               return -ENOENT;
-       }
-
        i2c->regs = devm_ioremap_resource(&pdev->dev, res);
 
        if (IS_ERR(i2c->regs))
diff --git a/drivers/i2c/busses/i2c-sirf.c b/drivers/i2c/busses/i2c-sirf.c
index 5a7ad24..a63c7d5 100644
--- a/drivers/i2c/busses/i2c-sirf.c
+++ b/drivers/i2c/busses/i2c-sirf.c
@@ -303,12 +303,6 @@ static int i2c_sirfsoc_probe(struct platform_device *pdev)
        adap->class = I2C_CLASS_HWMON;
 
        mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       if (mem_res == NULL) {
-               dev_err(&pdev->dev, "Unable to get MEM resource\n");
-               err = -EINVAL;
-               goto out;
-       }
-
        siic->base = devm_ioremap_resource(&pdev->dev, mem_res);
        if (IS_ERR(siic->base)) {
                err = PTR_ERR(siic->base);
diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c
index b60ff90..9aa1b60 100644
--- a/drivers/i2c/busses/i2c-tegra.c
+++ b/drivers/i2c/busses/i2c-tegra.c
@@ -714,11 +714,6 @@ static int tegra_i2c_probe(struct platform_device *pdev)
        int ret = 0;
 
        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       if (!res) {
-               dev_err(&pdev->dev, "no mem resource\n");
-               return -EINVAL;
-       }
-
        base = devm_ioremap_resource(&pdev->dev, res);
        if (IS_ERR(base))
                return PTR_ERR(base);
-- 
1.7.10.4

_______________________________________________
Davinci-linux-open-source mailing list
Davinci-linux-open-source@linux.davincidsp.com
http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source

Reply via email to