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authorJan Kiszka <jan.kiszka@siemens.com>2021-07-26 13:46:13 +0200
committerWim Van Sebroeck <wim@linux-watchdog.org>2021-08-22 10:28:09 +0200
commitaec42642d91fc86ddc03e97f0139c6c34ee6b6b1 (patch)
tree001ac2f5a06f3d4fbaa032d74dc7cf3435ae8c49 /drivers/watchdog
parentwatchdog: bcm2835_wdt: consider system-power-controller property (diff)
downloadlinux-aec42642d91fc86ddc03e97f0139c6c34ee6b6b1.tar.xz
linux-aec42642d91fc86ddc03e97f0139c6c34ee6b6b1.zip
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: stable@vger.kernel.org Reported-by: Mantas Mikulėnas <grawity@gmail.com> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Tested-by: Mantas Mikulėnas <grawity@gmail.com> Link: https://lore.kernel.org/r/d84f8e06-f646-8b43-d063-fb11f4827044@siemens.com Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
Diffstat (limited to 'drivers/watchdog')
-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: */