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>

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",