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watchdog: cadence: Add dependency on HAS_IOMEM
Not all architectures have io memory. Fixes: drivers/built-in.o: In function `cdns_wdt_probe': cadence_wdt.c:(.text+0x33b7c9): undefined reference to `devm_ioremap_resource' Signed-off-by: Richard Weinberger <richard@nod.at> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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@ -169,6 +169,7 @@ config AT91SAM9X_WATCHDOG
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config CADENCE_WATCHDOG
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tristate "Cadence Watchdog Timer"
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depends on HAS_IOMEM
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select WATCHDOG_CORE
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help
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Say Y here if you want to include support for the watchdog
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