linux-watchdog 5.15-rc7 tag

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Merge tag 'linux-watchdog-5.15-rc7' of git://www.linux-watchdog.org/linux-watchdog

Pull watchdog fixes from Wim Van Sebroeck:
 "I overlooked Guenters request to sent this upstream earlier, so it's a
  bit late in the release cycle.

  This contains:

   - Revert "watchdog: iTCO_wdt: Account for rebooting on second
     timeout"

   - sbsa: only use 32-bit accessors

   - sbsa: drop unneeded MODULE_ALIAS

   - ixp4xx_wdt: Fix address space warning

   - Fix OMAP watchdog early handling"

* tag 'linux-watchdog-5.15-rc7' of git://www.linux-watchdog.org/linux-watchdog:
  watchdog: Fix OMAP watchdog early handling
  watchdog: ixp4xx_wdt: Fix address space warning
  watchdog: sbsa: drop unneeded MODULE_ALIAS
  watchdog: sbsa: only use 32-bit accessors
  Revert "watchdog: iTCO_wdt: Account for rebooting on second timeout"

drivers/watchdog/iTCO_wdt.c

@@ -71,8 +71,6 @@
 #define TCOBASE(p)	((p)->tco_res->start)
 /* SMI Control and Enable Register */
 #define SMI_EN(p)	((p)->smi_res->start)
-#define TCO_EN		(1 << 13)
-#define GBL_SMI_EN	(1 << 0)
 
 #define TCO_RLD(p)	(TCOBASE(p) + 0x00) /* TCO Timer Reload/Curr. Value */
 #define TCOv1_TMR(p)	(TCOBASE(p) + 0x01) /* TCOv1 Timer Initial Value*/
@@ -357,12 +355,8 @@ static int iTCO_wdt_set_timeout(struct watchdog_device *wd_dev, unsigned int t)
 
 	tmrval = seconds_to_ticks(p, t);
 
-	/*
-	 * If TCO SMIs are off, the timer counts down twice before rebooting.
-	 * Otherwise, the BIOS generally reboots when the SMI triggers.
-	 */
-	if (p->smi_res &&
-	    (inl(SMI_EN(p)) & (TCO_EN | GBL_SMI_EN)) != (TCO_EN | GBL_SMI_EN))
+	/* For TCO v1 the timer counts down twice before rebooting */
+	if (p->iTCO_version == 1)
 		tmrval /= 2;
 
 	/* from the specs: */
@@ -527,7 +521,7 @@ static int iTCO_wdt_probe(struct platform_device *pdev)
 		 * Disables TCO logic generating an SMI#
 		 */
 		val32 = inl(SMI_EN(p));
-		val32 &= ~TCO_EN;	/* Turn off SMI clearing watchdog */
+		val32 &= 0xffffdfff;	/* Turn off SMI clearing watchdog */
 		outl(val32, SMI_EN(p));
 	}
 

drivers/watchdog/ixp4xx_wdt.c

@@ -119,7 +119,7 @@ static int ixp4xx_wdt_probe(struct platform_device *pdev)
 	iwdt = devm_kzalloc(dev, sizeof(*iwdt), GFP_KERNEL);
 	if (!iwdt)
 		return -ENOMEM;
-	iwdt->base = dev->platform_data;
+	iwdt->base = (void __iomem *)dev->platform_data;
 
 	/*
 	 * Retrieve rate from a fixed clock from the device tree if

drivers/watchdog/omap_wdt.c

@@ -268,8 +268,12 @@ static int omap_wdt_probe(struct platform_device *pdev)
 			wdev->wdog.bootstatus = WDIOF_CARDRESET;
 	}
 
-	if (!early_enable)
+	if (early_enable) {
+		omap_wdt_start(&wdev->wdog);
+		set_bit(WDOG_HW_RUNNING, &wdev->wdog.status);
+	} else {
 		omap_wdt_disable(wdev);
+	}
 
 	ret = watchdog_register_device(&wdev->wdog);
 	if (ret) {

drivers/watchdog/sbsa_gwdt.c

@@ -130,7 +130,7 @@ static u64 sbsa_gwdt_reg_read(struct sbsa_gwdt *gwdt)
 	if (gwdt->version == 0)
 		return readl(gwdt->control_base + SBSA_GWDT_WOR);
 	else
-		return readq(gwdt->control_base + SBSA_GWDT_WOR);
+		return lo_hi_readq(gwdt->control_base + SBSA_GWDT_WOR);
 }
 
 static void sbsa_gwdt_reg_write(u64 val, struct sbsa_gwdt *gwdt)
@@ -138,7 +138,7 @@ static void sbsa_gwdt_reg_write(u64 val, struct sbsa_gwdt *gwdt)
 	if (gwdt->version == 0)
 		writel((u32)val, gwdt->control_base + SBSA_GWDT_WOR);
 	else
-		writeq(val, gwdt->control_base + SBSA_GWDT_WOR);
+		lo_hi_writeq(val, gwdt->control_base + SBSA_GWDT_WOR);
 }
 
 /*
@@ -411,4 +411,3 @@ MODULE_AUTHOR("Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>");
 MODULE_AUTHOR("Al Stone <al.stone@linaro.org>");
 MODULE_AUTHOR("Timur Tabi <timur@codeaurora.org>");
 MODULE_LICENSE("GPL v2");
-MODULE_ALIAS("platform:" DRV_NAME);