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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2019-11-18 20:08:57 +0200
committerAndy Shevchenko <andriy.shevchenko@linux.intel.com>2019-12-13 16:48:48 +0200
commit095f2a67cdaf0aba6868504e963dda2e4d09a3f8 (patch)
treedabbc26212a2cac9a44603873a956ea6ca6a55bb /drivers/pinctrl/intel
parentpinctrl: lynxpoint: Move ->remove closer to ->probe() (diff)
downloadwireguard-linux-095f2a67cdaf0aba6868504e963dda2e4d09a3f8.tar.xz
wireguard-linux-095f2a67cdaf0aba6868504e963dda2e4d09a3f8.zip
pinctrl: lynxpoint: Move lp_irq_type() closer to IRQ related routines
Consolidate IRQ routines for better maintenance. While here, rename lp_irq_type() to lp_irq_set_type() to be in align with a callback name. Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Diffstat (limited to 'drivers/pinctrl/intel')
-rw-r--r--drivers/pinctrl/intel/pinctrl-lynxpoint.c88
1 files changed, 44 insertions, 44 deletions
diff --git a/drivers/pinctrl/intel/pinctrl-lynxpoint.c b/drivers/pinctrl/intel/pinctrl-lynxpoint.c
index 83b5b2590778..19e8f8f1f7aa 100644
--- a/drivers/pinctrl/intel/pinctrl-lynxpoint.c
+++ b/drivers/pinctrl/intel/pinctrl-lynxpoint.c
@@ -152,49 +152,6 @@ static void lp_gpio_free(struct gpio_chip *chip, unsigned int offset)
pm_runtime_put(lg->dev);
}
-static int lp_irq_type(struct irq_data *d, unsigned int type)
-{
- struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
- struct lp_gpio *lg = gpiochip_get_data(gc);
- u32 hwirq = irqd_to_hwirq(d);
- void __iomem *reg = lp_gpio_reg(&lg->chip, hwirq, LP_CONFIG1);
- unsigned long flags;
- u32 value;
-
- if (hwirq >= lg->chip.ngpio)
- return -EINVAL;
-
- raw_spin_lock_irqsave(&lg->lock, flags);
- value = ioread32(reg);
-
- /* set both TRIG_SEL and INV bits to 0 for rising edge */
- if (type & IRQ_TYPE_EDGE_RISING)
- value &= ~(TRIG_SEL_BIT | INT_INV_BIT);
-
- /* TRIG_SEL bit 0, INV bit 1 for falling edge */
- if (type & IRQ_TYPE_EDGE_FALLING)
- value = (value | INT_INV_BIT) & ~TRIG_SEL_BIT;
-
- /* TRIG_SEL bit 1, INV bit 0 for level low */
- if (type & IRQ_TYPE_LEVEL_LOW)
- value = (value | TRIG_SEL_BIT) & ~INT_INV_BIT;
-
- /* TRIG_SEL bit 1, INV bit 1 for level high */
- if (type & IRQ_TYPE_LEVEL_HIGH)
- value |= TRIG_SEL_BIT | INT_INV_BIT;
-
- iowrite32(value, reg);
-
- if (type & IRQ_TYPE_EDGE_BOTH)
- irq_set_handler_locked(d, handle_edge_irq);
- else if (type & IRQ_TYPE_LEVEL_MASK)
- irq_set_handler_locked(d, handle_level_irq);
-
- raw_spin_unlock_irqrestore(&lg->lock, flags);
-
- return 0;
-}
-
static int lp_gpio_get(struct gpio_chip *chip, unsigned int offset)
{
void __iomem *reg = lp_gpio_reg(chip, offset, LP_CONFIG1);
@@ -311,13 +268,56 @@ static void lp_irq_disable(struct irq_data *d)
raw_spin_unlock_irqrestore(&lg->lock, flags);
}
+static int lp_irq_set_type(struct irq_data *d, unsigned int type)
+{
+ struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
+ struct lp_gpio *lg = gpiochip_get_data(gc);
+ u32 hwirq = irqd_to_hwirq(d);
+ void __iomem *reg = lp_gpio_reg(&lg->chip, hwirq, LP_CONFIG1);
+ unsigned long flags;
+ u32 value;
+
+ if (hwirq >= lg->chip.ngpio)
+ return -EINVAL;
+
+ raw_spin_lock_irqsave(&lg->lock, flags);
+ value = ioread32(reg);
+
+ /* set both TRIG_SEL and INV bits to 0 for rising edge */
+ if (type & IRQ_TYPE_EDGE_RISING)
+ value &= ~(TRIG_SEL_BIT | INT_INV_BIT);
+
+ /* TRIG_SEL bit 0, INV bit 1 for falling edge */
+ if (type & IRQ_TYPE_EDGE_FALLING)
+ value = (value | INT_INV_BIT) & ~TRIG_SEL_BIT;
+
+ /* TRIG_SEL bit 1, INV bit 0 for level low */
+ if (type & IRQ_TYPE_LEVEL_LOW)
+ value = (value | TRIG_SEL_BIT) & ~INT_INV_BIT;
+
+ /* TRIG_SEL bit 1, INV bit 1 for level high */
+ if (type & IRQ_TYPE_LEVEL_HIGH)
+ value |= TRIG_SEL_BIT | INT_INV_BIT;
+
+ iowrite32(value, reg);
+
+ if (type & IRQ_TYPE_EDGE_BOTH)
+ irq_set_handler_locked(d, handle_edge_irq);
+ else if (type & IRQ_TYPE_LEVEL_MASK)
+ irq_set_handler_locked(d, handle_level_irq);
+
+ raw_spin_unlock_irqrestore(&lg->lock, flags);
+
+ return 0;
+}
+
static struct irq_chip lp_irqchip = {
.name = "LP-GPIO",
.irq_mask = lp_irq_mask,
.irq_unmask = lp_irq_unmask,
.irq_enable = lp_irq_enable,
.irq_disable = lp_irq_disable,
- .irq_set_type = lp_irq_type,
+ .irq_set_type = lp_irq_set_type,
.flags = IRQCHIP_SKIP_SET_WAKE,
};