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path: root/drivers/pinctrl/pinctrl-baytrail.c
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Diffstat (limited to 'drivers/pinctrl/pinctrl-baytrail.c')
-rw-r--r--drivers/pinctrl/pinctrl-baytrail.c30
1 files changed, 29 insertions, 1 deletions
diff --git a/drivers/pinctrl/pinctrl-baytrail.c b/drivers/pinctrl/pinctrl-baytrail.c
index 2832576d8b12..5888066d80c2 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",
@@ -366,11 +372,33 @@ 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)