3.15-stable review patch. If anyone has any objections, please let me know.
------------------
From: gundberg <per.gundb...@icomera.com>
commit a9e0436b303e94ba57d3bd4b1fcbeaa744b7ebeb upstream.
Use the prescaler index, rather than its value, to configure the watchdog.
This will prevent a mismatch with the prescaler used to calculate the cycles.
Signed-off-by: Per Gundberg <per.gundb...@icomera.com>
Reviewed-by: Guenter Roeck <li...@roeck-us.net>
Reviewed-by: Michael Brunner <michael.brun...@kontron.com>
Tested-by: Michael Brunner <michael.brun...@kontron.com>
Signed-off-by: Wim Van Sebroeck <w...@iguana.be>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
drivers/watchdog/kempld_wdt.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/watchdog/kempld_wdt.c
+++ b/drivers/watchdog/kempld_wdt.c
@@ -162,7 +162,7 @@ static int kempld_wdt_set_stage_timeout(
kempld_get_mutex(pld);
stage_cfg = kempld_read8(pld, KEMPLD_WDT_STAGE_CFG(stage->id));
stage_cfg &= ~STAGE_CFG_PRESCALER_MASK;
- stage_cfg |= STAGE_CFG_SET_PRESCALER(prescaler);
+ stage_cfg |= STAGE_CFG_SET_PRESCALER(PRESCALER_21);
kempld_write8(pld, KEMPLD_WDT_STAGE_CFG(stage->id), stage_cfg);
kempld_write32(pld, KEMPLD_WDT_STAGE_TIMEOUT(stage->id),
stage_timeout);
--
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