Convert platform_get_resource(), devm_ioremap_resource() to a single
call to devm_platform_get_and_ioremap_resource(), as this is exactly
what this function does.
Signed-off-by: Yangtao Li <frank.li@vivo.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
        int irq;
        int err = 0, i;
 
-       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+       /*
+        * Request the regions.
+        */
+       base = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
+       if (IS_ERR(base))
+               return PTR_ERR(base);
+
        irq = platform_get_irq(pdev, 0);
-       if (!res || irq < 0)
+       if (irq < 0)
                return -ENODEV;
 
        pcdev = devm_kzalloc(&pdev->dev, sizeof(*pcdev), GFP_KERNEL);
        spin_lock_init(&pcdev->lock);
        mutex_init(&pcdev->mlock);
 
-       /*
-        * Request the regions.
-        */
-       base = devm_ioremap_resource(&pdev->dev, res);
-       if (IS_ERR(base))
-               return PTR_ERR(base);
-
        pcdev->irq = irq;
        pcdev->base = base;