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-s3c2410.c |    5 -----
 drivers/i2c/busses/i2c-sirf.c    |    6 ------
 drivers/i2c/busses/i2c-tegra.c   |    5 -----
 3 files changed, 16 deletions(-)

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

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