[PATCH] watchdog,dw: Add dependency on HAS_IOMEM

[Richard Weinberger]

On archs like S390 or um this driver cannot build nor work.
Make it depend on HAS_IOMEM to bypass build failures.

drivers/built-in.o: In function `dw_wdt_drv_probe':
drivers/watchdog/dw_wdt.c:302: undefined reference to `devm_ioremap_resource'

Signed-off-by: Richard Weinberger <richard@xxxxxx>
---
 drivers/watchdog/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index 4c4c566..79d2589 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -223,6 +223,7 @@ config SA1100_WATCHDOG
 
 config DW_WATCHDOG
 	tristate "Synopsys DesignWare watchdog"
+	depends on HAS_IOMEM
 	help
 	  Say Y here if to include support for the Synopsys DesignWare
 	  watchdog timer found in many chips.
-- 
1.8.1.4

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