Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-04 11:04:38 +00:00
Code Issues Packages Projects Releases Wiki Activity

pinctrl: at91: enhance (debugfs) at91_gpio_dbg_show

Browse Source 
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>
This commit is contained in:
Matthieu Crapet 2014-11-18 15:43:45 +01:00 committed by Linus Walleij
parent ae76f13b9b
commit 853b6bf044
1 changed files with 7 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/pinctrl/pinctrl-at91.c
View File

@ -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);