watchdog: Tighten some watchdog driver dependencies

A few watchdog drivers cannot build without access to some platform
specific header files. Express those requirements in Kconfig as well.

Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Stefan Roese <stefan.roese@mailbox.org>

diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index 9e149a7..f646b35 100644 (file)
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -44,6 +44,7 @@ config HW_WATCHDOG
 
 config IMX_WATCHDOG
        bool "Enable Watchdog Timer support for IMX and LSCH2 of NXP"
+       depends on MACH_IMX
        select HW_WATCHDOG if !WDT
        help
          Select this to enable the IMX and LSCH2 of Layerscape watchdog
@@ -65,6 +66,7 @@ config OMAP_WATCHDOG
 
 config ULP_WATCHDOG
        bool "i.MX7ULP watchdog"
+       depends on MACH_IMX
        help
          Say Y here to enable i.MX7ULP watchdog driver.
 
@@ -117,8 +119,8 @@ config WDT_ARMADA_37XX
 
 config WDT_ASPEED
        bool "Aspeed ast2400/ast2500 watchdog timer support"
-       depends on WDT
-       default y if ARCH_ASPEED
+       depends on WDT && ARCH_ASPEED
+       default y
        help
          Select this to enable watchdog timer for Aspeed ast2500/ast2400 devices.
          The watchdog timer is stopped when initialized. It performs reset, either
@@ -128,8 +130,8 @@ config WDT_ASPEED
 
 config WDT_AST2600
        bool "Aspeed AST2600 watchdog timer support"
-       depends on WDT
-       default y if ASPEED_AST2600
+       depends on WDT && ASPEED_AST2600
+       default y
        help
          Select this to enable watchdog timer for Aspeed ast2500/ast2400 devices.
          The watchdog timer is stopped when initialized. It performs reset, either
@@ -137,7 +139,7 @@ config WDT_AST2600
 
 config WDT_AT91
        bool "AT91 watchdog timer support"
-       depends on WDT
+       depends on WDT && ARCH_AT91
        help
          Select this to enable Microchip watchdog timer, which can be found on
          some AT91 devices.
@@ -174,7 +176,7 @@ config WDT_CDNS
 
 config WDT_CORTINA
        bool "Cortina Access CAxxxx watchdog timer support"
-       depends on WDT
+       depends on WDT && TARGET_PRESIDIO_ASIC
        help
          Cortina Access CAxxxx watchdog timer support.
          This driver support all CPU ISAs supported by Cortina
@@ -220,7 +222,7 @@ config WDT_MAX6370
 
 config WDT_MCF
        bool "ColdFire family watchdog timer support"
-       depends on WDT
+       depends on WDT && M68K
        help
          Select this to enable ColdFire watchdog timer,
          which supports mcf52x2 mcf532x mcf523x families.
@@ -304,7 +306,7 @@ config WDT_OMAP3
 
 config WDT_ORION
        bool "Orion watchdog timer support"
-       depends on WDT
+       depends on WDT && ARCH_MVEBU
        select CLK
        help
          Select this to enable Orion watchdog timer, which can be found on some