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-rw-r--r--drivers/watchdog/s3c2410_wdt.c54
1 files changed, 35 insertions, 19 deletions
diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c
index 2cc4923a98a5..4ac0a30e835e 100644
--- a/drivers/watchdog/s3c2410_wdt.c
+++ b/drivers/watchdog/s3c2410_wdt.c
@@ -202,37 +202,53 @@ static inline struct s3c2410_wdt *freq_to_wdt(struct notifier_block *nb)
return container_of(nb, struct s3c2410_wdt, freq_transition);
}
-static int s3c2410wdt_mask_and_disable_reset(struct s3c2410_wdt *wdt, bool mask)
+static int s3c2410wdt_disable_wdt_reset(struct s3c2410_wdt *wdt, bool mask)
{
+ const u32 mask_val = BIT(wdt->drv_data->mask_bit);
+ const u32 val = mask ? mask_val : 0;
int ret;
- u32 mask_val = 1 << wdt->drv_data->mask_bit;
- u32 val = 0;
- /* No need to do anything if no PMU CONFIG needed */
- if (!(wdt->drv_data->quirks & QUIRK_HAS_PMU_CONFIG))
- return 0;
+ ret = regmap_update_bits(wdt->pmureg, wdt->drv_data->disable_reg,
+ mask_val, val);
+ if (ret < 0)
+ dev_err(wdt->dev, "failed to update reg(%d)\n", ret);
- if (mask)
- val = mask_val;
+ return ret;
+}
- if (wdt->drv_data->quirks & QUIRK_HAS_PMU_AUTO_DISABLE) {
- ret = regmap_update_bits(wdt->pmureg,
- wdt->drv_data->disable_reg, mask_val,
- val);
- if (ret < 0)
- goto error;
- }
+static int s3c2410wdt_mask_wdt_reset(struct s3c2410_wdt *wdt, bool mask)
+{
+ const u32 mask_val = BIT(wdt->drv_data->mask_bit);
+ const u32 val = mask ? mask_val : 0;
+ int ret;
- ret = regmap_update_bits(wdt->pmureg,
- wdt->drv_data->mask_reset_reg,
- mask_val, val);
- error:
+ ret = regmap_update_bits(wdt->pmureg, wdt->drv_data->mask_reset_reg,
+ mask_val, val);
if (ret < 0)
dev_err(wdt->dev, "failed to update reg(%d)\n", ret);
return ret;
}
+static int s3c2410wdt_mask_and_disable_reset(struct s3c2410_wdt *wdt, bool mask)
+{
+ int ret;
+
+ if (wdt->drv_data->quirks & QUIRK_HAS_PMU_AUTO_DISABLE) {
+ ret = s3c2410wdt_disable_wdt_reset(wdt, mask);
+ if (ret < 0)
+ return ret;
+ }
+
+ if (wdt->drv_data->quirks & QUIRK_HAS_PMU_CONFIG) {
+ ret = s3c2410wdt_mask_wdt_reset(wdt, mask);
+ if (ret < 0)
+ return ret;
+ }
+
+ return 0;
+}
+
static int s3c2410wdt_keepalive(struct watchdog_device *wdd)
{
struct s3c2410_wdt *wdt = watchdog_get_drvdata(wdd);