x86, intel-mid: Return proper error code from get_gpio_by_name()

This patch cleans up get_gpio_by_name() to return an error code
instead of hardcoded -1.

Signed-off-by: David Cohen <david.a.cohen@linux.intel.com>
Link: http://lkml.kernel.org/r/1389913624-9149-4-git-send-email-david.a.cohen@linux.intel.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

diff --git a/arch/x86/platform/intel-mid/sfi.c b/arch/x86/platform/intel-mid/sfi.c
index 1d5d20b088fa170a1a9d33f0407824d4dcb76d86..438306ebed0529f5a258876be4ef371242935dd3 100644 (file)
--- a/arch/x86/platform/intel-mid/sfi.c
+++ b/arch/x86/platform/intel-mid/sfi.c
@@ -224,7 +224,7 @@ int get_gpio_by_name(const char *name)
                if (!strncmp(name, pentry->pin_name, SFI_NAME_LEN))
                        return pentry->pin_no;
        }
-       return -1;
+       return -EINVAL;
 }
 
 void __init intel_scu_device_register(struct platform_device *pdev)