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path: root/drivers/pinctrl/intel/pinctrl-lynxpoint.c
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Diffstat (limited to 'drivers/pinctrl/intel/pinctrl-lynxpoint.c')
-rw-r--r--drivers/pinctrl/intel/pinctrl-lynxpoint.c28
1 files changed, 18 insertions, 10 deletions
diff --git a/drivers/pinctrl/intel/pinctrl-lynxpoint.c b/drivers/pinctrl/intel/pinctrl-lynxpoint.c
index a45b8f2182fd..96589d01fe35 100644
--- a/drivers/pinctrl/intel/pinctrl-lynxpoint.c
+++ b/drivers/pinctrl/intel/pinctrl-lynxpoint.c
@@ -386,6 +386,16 @@ static int lp_pinmux_set_mux(struct pinctrl_dev *pctldev,
return 0;
}
+static void lp_gpio_enable_input(void __iomem *reg)
+{
+ iowrite32(ioread32(reg) & ~GPINDIS_BIT, reg);
+}
+
+static void lp_gpio_disable_input(void __iomem *reg)
+{
+ iowrite32(ioread32(reg) | GPINDIS_BIT, reg);
+}
+
static int lp_gpio_request_enable(struct pinctrl_dev *pctldev,
struct pinctrl_gpio_range *range,
unsigned int pin)
@@ -411,7 +421,7 @@ static int lp_gpio_request_enable(struct pinctrl_dev *pctldev,
}
/* Enable input sensing */
- iowrite32(ioread32(conf2) & ~GPINDIS_BIT, conf2);
+ lp_gpio_enable_input(conf2);
raw_spin_unlock_irqrestore(&lg->lock, flags);
@@ -429,7 +439,7 @@ static void lp_gpio_disable_free(struct pinctrl_dev *pctldev,
raw_spin_lock_irqsave(&lg->lock, flags);
/* Disable input sensing */
- iowrite32(ioread32(conf2) | GPINDIS_BIT, conf2);
+ lp_gpio_disable_input(conf2);
raw_spin_unlock_irqrestore(&lg->lock, flags);
@@ -919,16 +929,14 @@ static int lp_gpio_runtime_resume(struct device *dev)
static int lp_gpio_resume(struct device *dev)
{
struct intel_pinctrl *lg = dev_get_drvdata(dev);
- void __iomem *reg;
+ struct gpio_chip *chip = &lg->chip;
+ const char *dummy;
int i;
/* on some hardware suspend clears input sensing, re-enable it here */
- for (i = 0; i < lg->chip.ngpio; i++) {
- if (gpiochip_is_requested(&lg->chip, i) != NULL) {
- reg = lp_gpio_reg(&lg->chip, i, LP_CONFIG2);
- iowrite32(ioread32(reg) & ~GPINDIS_BIT, reg);
- }
- }
+ for_each_requested_gpio(chip, i, dummy)
+ lp_gpio_enable_input(lp_gpio_reg(chip, i, LP_CONFIG2));
+
return 0;
}
@@ -951,7 +959,7 @@ static struct platform_driver lp_gpio_driver = {
.driver = {
.name = "lp_gpio",
.pm = &lp_gpio_pm_ops,
- .acpi_match_table = ACPI_PTR(lynxpoint_gpio_acpi_match),
+ .acpi_match_table = lynxpoint_gpio_acpi_match,
},
};