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path: root/drivers/gpio/gpio-jz4740.c
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Diffstat (limited to 'drivers/gpio/gpio-jz4740.c')
-rw-r--r--drivers/gpio/gpio-jz4740.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpio/gpio-jz4740.c b/drivers/gpio/gpio-jz4740.c
index 3c8efad8f3..f7e6781dc1 100644
--- a/drivers/gpio/gpio-jz4740.c
+++ b/drivers/gpio/gpio-jz4740.c
@@ -21,6 +21,7 @@
#include <io.h>
#include <gpio.h>
#include <malloc.h>
+#include <linux/err.h>
#define JZ_REG_GPIO_PIN 0x00
#define JZ_REG_GPIO_DATA 0x10
@@ -94,9 +95,9 @@ static int jz4740_gpio_probe(struct device_d *dev)
int ret;
base = dev_request_mem_region(dev, 0);
- if (!base) {
+ if (IS_ERR(base)) {
dev_err(dev, "could not get memory region\n");
- return -ENODEV;
+ return PTR_ERR(base);
}
jz4740_gpio = xzalloc(sizeof(*jz4740_gpio));