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watchdog: dw_wdt: Add dependency on HAS_IOMEM 

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@nod.at>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
This commit is contained in:
Richard Weinberger 2014-01-31 13:47:34 +01:00 committed by Wim Van Sebroeck
parent 34a9bff4ab
commit 1ccfe6f982
1 changed files with 1 additions and 0 deletions
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drivers/watchdog/Kconfig
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@ -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.