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authorMatthieu Crapet <mcrapet@gmail.com>2014-11-18 15:43:45 +0100
committerLinus Walleij <linus.walleij@linaro.org>2014-12-03 12:23:10 +0100
commit853b6bf044dcced57c523dbddabf8942e907be6e (patch)
treea1074b99dabb6b6e713a30b5844fc63ae27dd3bd /drivers/pinctrl
parentae76f13b9b4931cf143670524a6c68b891fd30bc (diff)
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>
Diffstat (limited to 'drivers/pinctrl')
-rw-r--r--drivers/pinctrl/pinctrl-at91.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/pinctrl/pinctrl-at91.c b/drivers/pinctrl/pinctrl-at91.c
index 94643bbaee37..66db9849aca8 100644
--- a/drivers/pinctrl/pinctrl-at91.c
+++ b/drivers/pinctrl/pinctrl-at91.c
@@ -1342,7 +1342,6 @@ static void at91_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip)
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 @@ static void at91_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip)
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);