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authorJoel Stanley <joel@jms.id.au>2019-12-12 01:32:01 +0300
committerJoel Stanley <joel@jms.id.au>2019-12-12 01:32:06 +0300
commitfdc60468f3e452364d432f1a7c3f83d58bba1b84 (patch)
treede7197f150958ae72cb87b6cf4885610f3edd704 /drivers/watchdog/imx_sc_wdt.c
parent20572eecd7248b66d855a8e4812debd9f828ccba (diff)
parent8539dfa4fcbcf58c3c2f92ac57b964add884d12b (diff)
downloadlinux-dev-5.3.tar.xz
Merge tag 'v5.3.15' into dev-5.3dev-5.3
This is the 5.3.15 stable release Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'drivers/watchdog/imx_sc_wdt.c')
-rw-r--r--drivers/watchdog/imx_sc_wdt.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/watchdog/imx_sc_wdt.c b/drivers/watchdog/imx_sc_wdt.c
index 78eaaf75a263..9545d1e07421 100644
--- a/drivers/watchdog/imx_sc_wdt.c
+++ b/drivers/watchdog/imx_sc_wdt.c
@@ -99,8 +99,14 @@ static int imx_sc_wdt_set_pretimeout(struct watchdog_device *wdog,
{
struct arm_smccc_res res;
+ /*
+ * SCU firmware calculates pretimeout based on current time
+ * stamp instead of watchdog timeout stamp, need to convert
+ * the pretimeout to SCU firmware's timeout value.
+ */
arm_smccc_smc(IMX_SIP_TIMER, IMX_SIP_TIMER_SET_PRETIME_WDOG,
- pretimeout * 1000, 0, 0, 0, 0, 0, &res);
+ (wdog->timeout - pretimeout) * 1000, 0, 0, 0,
+ 0, 0, &res);
if (res.a0)
return -EACCES;