diff options
Diffstat (limited to 'drivers/watchdog/kempld_wdt.c')
| -rw-r--r-- | drivers/watchdog/kempld_wdt.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/watchdog/kempld_wdt.c b/drivers/watchdog/kempld_wdt.c index 8e302d0e346c..2f3b049ea301 100644 --- a/drivers/watchdog/kempld_wdt.c +++ b/drivers/watchdog/kempld_wdt.c @@ -140,12 +140,19 @@ static int kempld_wdt_set_stage_timeout(struct kempld_wdt_data *wdt_data, unsigned int timeout) { struct kempld_device_data *pld = wdt_data->pld; - u32 prescaler = kempld_prescaler[PRESCALER_21]; + u32 prescaler; u64 stage_timeout64; u32 stage_timeout; u32 remainder; u8 stage_cfg; +#if GCC_VERSION < 40400 + /* work around a bug compiling do_div() */ + prescaler = READ_ONCE(kempld_prescaler[PRESCALER_21]); +#else + prescaler = kempld_prescaler[PRESCALER_21]; +#endif + if (!stage) return -EINVAL; @@ -422,7 +429,7 @@ static int kempld_wdt_probe_stages(struct watchdog_device *wdd) return 0; } -static struct watchdog_info kempld_wdt_info = { +static const struct watchdog_info kempld_wdt_info = { .identity = "KEMPLD Watchdog", .options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING | |