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-rw-r--r--drivers/char/watchdog/w83697hf_wdt.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/char/watchdog/w83697hf_wdt.c b/drivers/char/watchdog/w83697hf_wdt.c
index b1f225798500..6a357a818c8a 100644
--- a/drivers/char/watchdog/w83697hf_wdt.c
+++ b/drivers/char/watchdog/w83697hf_wdt.c
@@ -76,6 +76,12 @@ w83697hf_unlock(void)
outb_p(0x87, W83697HF_EFER); /* Again according to manual */
}
+static inline void
+w83697hf_lock(void)
+{
+ outb_p(0xAA, W83697HF_EFER); /* Leave extended function mode */
+}
+
static void
w83697hf_select_wd_register(void)
{
@@ -93,7 +99,7 @@ w83697hf_select_wd_register(void)
static void
w83697hf_unselect_wd_register(void)
{
- outb_p(0xAA, W83697HF_EFER); /* Leave extended function mode */
+ w83697hf_lock();
}
static void