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authorJan Kiszka <[email protected]>2021-07-26 13:46:13 +0200
committerWim Van Sebroeck <[email protected]>2021-08-22 10:28:09 +0200
commitaec42642d91fc86ddc03e97f0139c6c34ee6b6b1 (patch)
tree001ac2f5a06f3d4fbaa032d74dc7cf3435ae8c49
parenta4f95810e3fbc15f077880aef8c787489ec4a8b7 (diff)
watchdog: iTCO_wdt: Fix detection of SMI-off case
Obviously, the test needs to run against the register content, not its address. Fixes: cb011044e34c ("watchdog: iTCO_wdt: Account for rebooting on second timeout") Cc: [email protected] Reported-by: Mantas Mikulėnas <[email protected]> Signed-off-by: Jan Kiszka <[email protected]> Reviewed-by: Paolo Bonzini <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Tested-by: Mantas Mikulėnas <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Wim Van Sebroeck <[email protected]>
-rw-r--r--drivers/watchdog/iTCO_wdt.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/watchdog/iTCO_wdt.c b/drivers/watchdog/iTCO_wdt.c
index b3f604669e2c..643c6c2d0b72 100644
--- a/drivers/watchdog/iTCO_wdt.c
+++ b/drivers/watchdog/iTCO_wdt.c
@@ -362,7 +362,7 @@ static int iTCO_wdt_set_timeout(struct watchdog_device *wd_dev, unsigned int t)
* Otherwise, the BIOS generally reboots when the SMI triggers.
*/
if (p->smi_res &&
- (SMI_EN(p) & (TCO_EN | GBL_SMI_EN)) != (TCO_EN | GBL_SMI_EN))
+ (inl(SMI_EN(p)) & (TCO_EN | GBL_SMI_EN)) != (TCO_EN | GBL_SMI_EN))
tmrval /= 2;
/* from the specs: */