gpio: loongson1: remove redundant return value check

Remove unneeded error handling on the result of a call
to platform_get_resource() when the value is passed to
devm_ioremap_resource().

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 0 insertions, 5 deletions

diff --git a/drivers/gpio/gpio-loongson1.c b/drivers/gpio/gpio-loongson1.c
index ad0a5958fcd0..72b64039241a 100644
--- a/drivers/gpio/gpio-loongson1.c
+++ b/drivers/gpio/gpio-loongson1.c
@@ -56,11 +56,6 @@ static int ls1x_gpio_probe(struct platform_device *pdev)
                 return -ENOMEM;
 
         res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-        if (!res) {
-                dev_err(dev, "failed to get I/O memory\n");
-                return -EINVAL;
-        }
-
         gpio_reg_base = devm_ioremap_resource(dev, res);
         if (IS_ERR(gpio_reg_base))
                 return PTR_ERR(gpio_reg_base);