Without the include we get build errors like:
drivers/power/smb347-charger.c: In function 'smb347_probe':
drivers/power/smb347-charger.c:1039:2: error: implicit declaration of function 'IS_ERR' [-Werror=implicit-function-declaration]
drivers/power/smb347-charger.c:1040:3: error: implicit declaration of function 'PTR_ERR' [-Werror=implicit-function-declaration]
Reported-by: Stephen Rothwell <[email protected]>
Signed-off-by: Mika Westerberg <[email protected]>
Signed-off-by: Anton Vorontsov <[email protected]>
* published by the Free Software Foundation.
*/
+#include <linux/err.h>
#include <linux/gpio.h>
#include <linux/kernel.h>
#include <linux/module.h>