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/input/keyboard/imx_keypad.c     |    7 +------
 drivers/input/keyboard/spear-keyboard.c |    7 +------
 drivers/input/keyboard/tegra-kbc.c      |    7 +------
 3 files changed, 3 insertions(+), 18 deletions(-)

diff --git a/drivers/input/keyboard/imx_keypad.c 
b/drivers/input/keyboard/imx_keypad.c
index 03c8cc5..328cfc1 100644
--- a/drivers/input/keyboard/imx_keypad.c
+++ b/drivers/input/keyboard/imx_keypad.c
@@ -442,12 +442,6 @@ static int imx_keypad_probe(struct platform_device *pdev)
                return -EINVAL;
        }
 
-       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       if (res == NULL) {
-               dev_err(&pdev->dev, "no I/O memory defined in platform data\n");
-               return -EINVAL;
-       }
-
        input_dev = devm_input_allocate_device(&pdev->dev);
        if (!input_dev) {
                dev_err(&pdev->dev, "failed to allocate the input device\n");
@@ -468,6 +462,7 @@ static int imx_keypad_probe(struct platform_device *pdev)
        setup_timer(&keypad->check_matrix_timer,
                    imx_keypad_check_for_events, (unsigned long) keypad);
 
+       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
        keypad->mmio_base = devm_ioremap_resource(&pdev->dev, res);
        if (IS_ERR(keypad->mmio_base))
                return PTR_ERR(keypad->mmio_base);
diff --git a/drivers/input/keyboard/spear-keyboard.c 
b/drivers/input/keyboard/spear-keyboard.c
index cb1e8f6..b2e77e4 100644
--- a/drivers/input/keyboard/spear-keyboard.c
+++ b/drivers/input/keyboard/spear-keyboard.c
@@ -191,12 +191,6 @@ static int spear_kbd_probe(struct platform_device *pdev)
        int irq;
        int error;
 
-       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       if (!res) {
-               dev_err(&pdev->dev, "no keyboard resource defined\n");
-               return -EBUSY;
-       }
-
        irq = platform_get_irq(pdev, 0);
        if (irq < 0) {
                dev_err(&pdev->dev, "not able to get irq for the device\n");
@@ -228,6 +222,7 @@ static int spear_kbd_probe(struct platform_device *pdev)
                kbd->suspended_rate = pdata->suspended_rate;
        }
 
+       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
        kbd->io_base = devm_ioremap_resource(&pdev->dev, res);
        if (IS_ERR(kbd->io_base))
                return PTR_ERR(kbd->io_base);
diff --git a/drivers/input/keyboard/tegra-kbc.c 
b/drivers/input/keyboard/tegra-kbc.c
index b46142f..9cd20e6 100644
--- a/drivers/input/keyboard/tegra-kbc.c
+++ b/drivers/input/keyboard/tegra-kbc.c
@@ -638,12 +638,6 @@ static int tegra_kbc_probe(struct platform_device *pdev)
        if (!tegra_kbc_check_pin_cfg(kbc, &num_rows))
                return -EINVAL;
 
-       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       if (!res) {
-               dev_err(&pdev->dev, "failed to get I/O memory\n");
-               return -ENXIO;
-       }
-
        kbc->irq = platform_get_irq(pdev, 0);
        if (kbc->irq < 0) {
                dev_err(&pdev->dev, "failed to get keyboard IRQ\n");
@@ -658,6 +652,7 @@ static int tegra_kbc_probe(struct platform_device *pdev)
 
        setup_timer(&kbc->timer, tegra_kbc_keypress_timer, (unsigned long)kbc);
 
+       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
        kbc->mmio = devm_ioremap_resource(&pdev->dev, res);
        if (IS_ERR(kbc->mmio))
                return PTR_ERR(kbc->mmio);
-- 
1.7.10.4

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