pinctrl: at91: enhance (debugfs) at91_gpio_dbg_show
When a pin is configured as GPIO, print also direction (input or output).
Signed-off-by: Matthieu Crapet <mcrapet@gmail.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/pinctrl/pinctrl-at91.c b/drivers/pinctrl/pinctrl-at91.c
index 94643bb..66db984 100644
--- a/drivers/pinctrl/pinctrl-at91.c
+++ b/drivers/pinctrl/pinctrl-at91.c
@@ -1342,7 +1342,6 @@
for (i = 0; i < chip->ngpio; i++) {
unsigned mask = pin_to_mask(i);
const char *gpio_label;
- u32 pdsr;
gpio_label = gpiochip_is_requested(chip, i);
if (!gpio_label)
@@ -1351,11 +1350,13 @@
seq_printf(s, "[%s] GPIO%s%d: ",
gpio_label, chip->label, i);
if (mode == AT91_MUX_GPIO) {
- pdsr = readl_relaxed(pio + PIO_PDSR);
-
- seq_printf(s, "[gpio] %s\n",
- pdsr & mask ?
- "set" : "clear");
+ seq_printf(s, "[gpio] ");
+ seq_printf(s, "%s ",
+ readl_relaxed(pio + PIO_OSR) & mask ?
+ "output" : "input");
+ seq_printf(s, "%s\n",
+ readl_relaxed(pio + PIO_PDSR) & mask ?
+ "set" : "clear");
} else {
seq_printf(s, "[periph %c]\n",
mode + 'A' - 1);