pinctrl-baytrail: show pin label with the reset of the gpio debug data

The default gpiolib debug output shows pin labels.
We want baytrail custom debug output to have the same functionality.

Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 7 insertions, 1 deletions

diff --git a/drivers/pinctrl/pinctrl-baytrail.c b/drivers/pinctrl/pinctrl-baytrail.c
index 2832576d8b12..1174ea86b6e9 100644
--- a/drivers/pinctrl/pinctrl-baytrail.c
+++ b/drivers/pinctrl/pinctrl-baytrail.c
@@ -286,13 +286,19 @@ static void byt_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip)
         spin_lock_irqsave(&vg->lock, flags);
 
         for (i = 0; i < vg->chip.ngpio; i++) {
+                const char *label;
                 offs = vg->range->pins[i] * 16;
                 conf0 = readl(vg->reg_base + offs + BYT_CONF0_REG);
                 val = readl(vg->reg_base + offs + BYT_VAL_REG);
 
+                label = gpiochip_is_requested(chip, i);
+                if (!label)
+                        label = "Unrequested";
+
                 seq_printf(s,
-                           " gpio-%-3d %s %s %s pad-%-3d offset:0x%03x mux:%d %s%s%s\n",
+                           " gpio-%-3d (%-20.20s) %s %s %s pad-%-3d offset:0x%03x mux:%d %s%s%s\n",
                            i,
+                           label,
                            val & BYT_INPUT_EN ? "  " : "in",
                            val & BYT_OUTPUT_EN ? "   " : "out",
                            val & BYT_LEVEL ? "hi" : "lo",