Merge tag 'pinctrl-v3.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw...

[platform/adaptation/renesas_rcar/renesas_kernel.git] / drivers / pinctrl / pinctrl-baytrail.c

diff --git a/drivers/pinctrl/pinctrl-baytrail.c b/drivers/pinctrl/pinctrl-baytrail.c
index 72e6a29..665b96b 100644 (file)
--- a/drivers/pinctrl/pinctrl-baytrail.c
+++ b/drivers/pinctrl/pinctrl-baytrail.c
@@ -285,13 +285,19 @@ 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",
@@ -365,11 +371,33 @@ static void byt_irq_mask(struct irq_data *d)
 {
 }
 
+static unsigned int byt_irq_startup(struct irq_data *d)
+{
+       struct byt_gpio *vg = irq_data_get_irq_chip_data(d);
+
+       if (gpio_lock_as_irq(&vg->chip, irqd_to_hwirq(d)))
+               dev_err(vg->chip.dev,
+                       "unable to lock HW IRQ %lu for IRQ\n",
+                       irqd_to_hwirq(d));
+       byt_irq_unmask(d);
+       return 0;
+}
+
+static void byt_irq_shutdown(struct irq_data *d)
+{
+       struct byt_gpio *vg = irq_data_get_irq_chip_data(d);
+
+       byt_irq_mask(d);
+       gpio_unlock_as_irq(&vg->chip, irqd_to_hwirq(d));
+}
+
 static struct irq_chip byt_irqchip = {
        .name = "BYT-GPIO",
        .irq_mask = byt_irq_mask,
        .irq_unmask = byt_irq_unmask,
        .irq_set_type = byt_irq_type,
+       .irq_startup = byt_irq_startup,
+       .irq_shutdown = byt_irq_shutdown,
 };
 
 static void byt_gpio_irq_init_hw(struct byt_gpio *vg)