diff options
-rw-r--r-- | drivers/char/watchdog/w83697hf_wdt.c | 31 |
1 files changed, 22 insertions, 9 deletions
diff --git a/drivers/char/watchdog/w83697hf_wdt.c b/drivers/char/watchdog/w83697hf_wdt.c index b3dcc81abbb..2b3ce434c19 100644 --- a/drivers/char/watchdog/w83697hf_wdt.c +++ b/drivers/char/watchdog/w83697hf_wdt.c @@ -156,31 +156,44 @@ w83697hf_init(void) w83697hf_unselect_wd_register(); } -static void -wdt_ctrl(int timeout) +static int +wdt_ping(void) { spin_lock(&io_lock); - w83697hf_select_wdt(); w83697hf_write_timeout(timeout); w83697hf_deselect_wdt(); - spin_unlock(&io_lock); + return 0; } static int -wdt_ping(void) +wdt_enable(void) { - wdt_ctrl(timeout); + spin_lock(&io_lock); + w83697hf_select_wdt(); + + w83697hf_write_timeout(timeout); + w83697hf_set_reg(0x30, 1); /* Enable timer */ + + w83697hf_deselect_wdt(); + spin_unlock(&io_lock); return 0; } static int wdt_disable(void) { - wdt_ctrl(0); + spin_lock(&io_lock); + w83697hf_select_wdt(); + + w83697hf_set_reg(0x30, 0); /* Disable timer */ + w83697hf_write_timeout(0); + + w83697hf_deselect_wdt(); + spin_unlock(&io_lock); return 0; } @@ -267,7 +280,7 @@ wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd, } if (options & WDIOS_ENABLECARD) { - wdt_ping(); + wdt_enable(); retval = 0; } @@ -289,7 +302,7 @@ wdt_open(struct inode *inode, struct file *file) * Activate */ - wdt_ping(); + wdt_enable(); return nonseekable_open(inode, file); } |