soc: qcom: Rename msm watchdog to wdt core

In preparation to change the qcom watchdog to a new core
framework that future watchdog drivers will utilize, the name
of the file needs to be changed. Due to the number of changes
needed in the file we need to rename it to reflect its new purpose.

Change-Id: Iac6ad57fbc02866f6716a44d7bb4a62d97e4a810
Signed-off-by: Branden Bonaby <bbonaby@codeaurora.org>

drivers/soc/qcom/Kconfig

@@ -783,9 +783,18 @@ config CDSPRM_VTCM_DYNAMIC_DEBUG
 	  enabled, the vtcm partition details are sent to the CDSP via rpmsg
 	  channel.
 
+config QCOM_WDT_CORE
+	tristate "Qualcomm Technologies, Inc. Watchdog Support"
+	depends on ARCH_QCOM
+	help
+          This enables the watchdog module. It causes kernel panic if the
+          watchdog times out. It allows for detection of cpu hangs and
+          deadlocks. It does not run during the bootup process, so it will
+          not catch any early lockups.
+
 config QCOM_FORCE_WDOG_BITE_ON_PANIC
 	bool "QCOM force watchdog bite on panic"
-	depends on QCOM_WATCHDOG
+	depends on QCOM_WDT_CORE
 	help
 	  This forces a watchdog bite when the device restarts
 	  due to a kernel panic. On certain MSM SoCs,
@@ -794,7 +803,7 @@ config QCOM_FORCE_WDOG_BITE_ON_PANIC
 
 config QCOM_WDOG_BITE_EARLY_PANIC
 	bool "QCOM early panic watchdog bite"
-	depends on QCOM_WATCHDOG && QCOM_FORCE_WDOG_BITE_ON_PANIC
+	depends on QCOM_WDT_CORE && QCOM_FORCE_WDOG_BITE_ON_PANIC
 	help
 	  This forces a watchdog bite early in panic sequence. On certain
 	  MSM SoCs, this provides us additional debugging information at the

drivers/soc/qcom/Makefile

@@ -84,6 +84,7 @@ obj-$(CONFIG_MSM_QBT_HANDLER) += qbt_handler.o
 obj-$(CONFIG_QTI_CRYPTO_COMMON) += crypto-qti-common.o
 obj-$(CONFIG_QTI_CRYPTO_TZ) += crypto-qti-tz.o
 obj-$(CONFIG_QTI_HW_KEY_MANAGER) += hwkm.o crypto-qti-hwkm.o
+obj-$(CONFIG_QCOM_WDT_CORE) += qcom_wdt_core.o
 ifdef CONFIG_DEBUG_FS
 obj-$(CONFIG_MSM_RPM_SMD)   +=  rpm-smd-debug.o
 endif

drivers/soc/qcom/qcom_wdt_core.c

@@ -770,7 +770,7 @@ static int __init init_watchdog(void)
 {
 	return platform_driver_register(&msm_watchdog_driver);
 }
-#if IS_MODULE(CONFIG_QCOM_WATCHDOG)
+#if IS_MODULE(CONFIG_QCOM_WDT_CORE)
 module_init(init_watchdog);
 #else
 pure_initcall(init_watchdog);

include/soc/qcom/watchdog.h

@@ -18,7 +18,7 @@
 #define WDOG_BITE_EARLY_PANIC 0
 #endif
 
-#if IS_ENABLED(CONFIG_QCOM_WATCHDOG)
+#if IS_ENABLED(CONFIG_QCOM_WDT_CORE)
 void msm_trigger_wdog_bite(void);
 #else
 static inline void msm_trigger_wdog_bite(void) { }