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: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Barry Song <Baohua.Song@csr.com>

3 files changed, 0 insertions, 16 deletions

diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
index 6e8ee92ab553..cab1c91b75a3 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 5a7ad240bd26..a63c7d506836 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 b60ff90adc39..9aa1b60f7fdd 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);