From 2f7c68cb55ecb7331f2381deb497c27155f32faf Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 03 Jan 2024 09:43:39 +0000
Subject: [PATCH] update kernel to 5.10.198
---
kernel/drivers/watchdog/iTCO_wdt.c | 26 +++++++++++++++++++++-----
1 files changed, 21 insertions(+), 5 deletions(-)
diff --git a/kernel/drivers/watchdog/iTCO_wdt.c b/kernel/drivers/watchdog/iTCO_wdt.c
index a370a18..50c874d 100644
--- a/kernel/drivers/watchdog/iTCO_wdt.c
+++ b/kernel/drivers/watchdog/iTCO_wdt.c
@@ -426,6 +426,20 @@
return time_left;
}
+/* Returns true if the watchdog was running */
+static bool iTCO_wdt_set_running(struct iTCO_wdt_private *p)
+{
+ u16 val;
+
+ /* Bit 11: TCO Timer Halt -> 0 = The TCO timer is enabled */
+ val = inw(TCO1_CNT(p));
+ if (!(val & BIT(11))) {
+ set_bit(WDOG_HW_RUNNING, &p->wddev.status);
+ return true;
+ }
+ return false;
+}
+
/*
* Kernel Interfaces
*/
@@ -514,9 +528,6 @@
return -ENODEV; /* Cannot reset NO_REBOOT bit */
}
- /* Set the NO_REBOOT bit to prevent later reboots, just for sure */
- p->update_no_reboot_bit(p->no_reboot_priv, true);
-
if (turn_SMI_watchdog_clear_off >= p->iTCO_version) {
/*
* Bit 13: TCO_EN -> 0
@@ -568,8 +579,13 @@
watchdog_set_drvdata(&p->wddev, p);
platform_set_drvdata(pdev, p);
- /* Make sure the watchdog is not running */
- iTCO_wdt_stop(&p->wddev);
+ if (!iTCO_wdt_set_running(p)) {
+ /*
+ * If the watchdog was not running set NO_REBOOT now to
+ * prevent later reboots.
+ */
+ p->update_no_reboot_bit(p->no_reboot_priv, true);
+ }
/* Check that the heartbeat value is within it's range;
if not reset to the default */
--
Gitblit v1.6.2