avr32: minor GPIO handling updates

On the odd chance some code uses a pin as a GPIO IRQ without calling
gpio_request() or gpio_direction_input(), the debug dump should still
show its pin status.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/avr32/mach-at32ap/pio.c b/arch/avr32/mach-at32ap/pio.c
index 38a8fa31c0b5..60da03ba7117 100644
--- a/arch/avr32/mach-at32ap/pio.c
+++ b/arch/avr32/mach-at32ap/pio.c
@@ -318,6 +318,8 @@ static void pio_bank_show(struct seq_file *s, struct gpio_chip *chip)
                 const char *label;
 
                 label = gpiochip_is_requested(chip, i);
+                if (!label && (imr & mask))
+                        label = "[irq]";
                 if (!label)
                         continue;