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path: root/drivers/pinctrl/pinctrl-amd.c
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Diffstat (limited to 'drivers/pinctrl/pinctrl-amd.c')
-rw-r--r--drivers/pinctrl/pinctrl-amd.c45
1 files changed, 28 insertions, 17 deletions
diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c
index a44902b14..ee25edecc 100644
--- a/drivers/pinctrl/pinctrl-amd.c
+++ b/drivers/pinctrl/pinctrl-amd.c
@@ -127,6 +127,14 @@ static int amd_gpio_set_debounce(struct gpio_chip *gc, unsigned offset,
struct amd_gpio *gpio_dev = gpiochip_get_data(gc);
raw_spin_lock_irqsave(&gpio_dev->lock, flags);
+
+ /* Use special handling for Pin0 debounce */
+ if (offset == 0) {
+ pin_reg = readl(gpio_dev->base + WAKE_INT_MASTER_REG);
+ if (pin_reg & INTERNAL_GPIO0_DEBOUNCE)
+ debounce = 0;
+ }
+
pin_reg = readl(gpio_dev->base + offset * 4);
if (debounce) {
@@ -182,18 +190,6 @@ static int amd_gpio_set_debounce(struct gpio_chip *gc, unsigned offset,
return ret;
}
-static int amd_gpio_set_config(struct gpio_chip *gc, unsigned offset,
- unsigned long config)
-{
- u32 debounce;
-
- if (pinconf_to_config_param(config) != PIN_CONFIG_INPUT_DEBOUNCE)
- return -ENOTSUPP;
-
- debounce = pinconf_to_config_argument(config);
- return amd_gpio_set_debounce(gc, offset, debounce);
-}
-
#ifdef CONFIG_DEBUG_FS
static void amd_gpio_dbg_show(struct seq_file *s, struct gpio_chip *gc)
{
@@ -216,6 +212,7 @@ static void amd_gpio_dbg_show(struct seq_file *s, struct gpio_chip *gc)
char *output_value;
char *output_enable;
+ seq_printf(s, "WAKE_INT_MASTER_REG: 0x%08x\n", readl(gpio_dev->base + WAKE_INT_MASTER_REG));
for (bank = 0; bank < gpio_dev->hwbank_num; bank++) {
seq_printf(s, "GPIO bank%d\t", bank);
@@ -666,7 +663,7 @@ static int amd_pinconf_get(struct pinctrl_dev *pctldev,
break;
default:
- dev_err(&gpio_dev->pdev->dev, "Invalid config param %04x\n",
+ dev_dbg(&gpio_dev->pdev->dev, "Invalid config param %04x\n",
param);
return -ENOTSUPP;
}
@@ -677,7 +674,7 @@ static int amd_pinconf_get(struct pinctrl_dev *pctldev,
}
static int amd_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin,
- unsigned long *configs, unsigned num_configs)
+ unsigned long *configs, unsigned int num_configs)
{
int i;
u32 arg;
@@ -719,7 +716,7 @@ static int amd_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin,
break;
default:
- dev_err(&gpio_dev->pdev->dev,
+ dev_dbg(&gpio_dev->pdev->dev,
"Invalid config param %04x\n", param);
ret = -ENOTSUPP;
}
@@ -767,6 +764,20 @@ static int amd_pinconf_group_set(struct pinctrl_dev *pctldev,
return 0;
}
+static int amd_gpio_set_config(struct gpio_chip *gc, unsigned int pin,
+ unsigned long config)
+{
+ struct amd_gpio *gpio_dev = gpiochip_get_data(gc);
+
+ if (pinconf_to_config_param(config) == PIN_CONFIG_INPUT_DEBOUNCE) {
+ u32 debounce = pinconf_to_config_argument(config);
+
+ return amd_gpio_set_debounce(gc, pin, debounce);
+ }
+
+ return amd_pinconf_set(gpio_dev->pctrl, pin, &config, 1);
+}
+
static const struct pinconf_ops amd_pinconf_ops = {
.pin_config_get = amd_pinconf_get,
.pin_config_set = amd_pinconf_set,
@@ -794,9 +805,9 @@ static void amd_gpio_irq_init(struct amd_gpio *gpio_dev)
raw_spin_lock_irqsave(&gpio_dev->lock, flags);
- pin_reg = readl(gpio_dev->base + i * 4);
+ pin_reg = readl(gpio_dev->base + pin * 4);
pin_reg &= ~mask;
- writel(pin_reg, gpio_dev->base + i * 4);
+ writel(pin_reg, gpio_dev->base + pin * 4);
raw_spin_unlock_irqrestore(&gpio_dev->lock, flags);
}