misc: pvpanic: Use devm_platform_ioremap_resource()

Make use of devm_platform_ioremap_resource() provided by driver
core platform instead of duplicated analogue.

Acked-by: Arnd Bergmann <arn@arndb.de>
Signed-off-by: Wang ShaoBo <bobo.shaobowang@huawei.com>
Link: https://lore.kernel.org/r/20200918083634.33124-1-bobo.shaobowang@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/misc/pvpanic.c b/drivers/misc/pvpanic.c
index a6e1a8983e1fcc6201f50140672babe34a9613c7..e16a5e51006e5013a66d9ea6d974fb2f29f5c7ea 100644 (file)
--- a/drivers/misc/pvpanic.c
+++ b/drivers/misc/pvpanic.c
@@ -143,13 +143,7 @@ static void pvpanic_unregister_acpi_driver(void) {}
 
 static int pvpanic_mmio_probe(struct platform_device *pdev)
 {
-       struct resource *mem;
-
-       mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       if (!mem)
-               return -EINVAL;
-
-       base = devm_ioremap_resource(&pdev->dev, mem);
+       base = devm_platform_ioremap_resource(pdev, 0);
        if (IS_ERR(base))
                return PTR_ERR(base);