staging,dgap: 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/staging/dgap/dgap_driver.c: In function ‘dgap_cleanup_board’: drivers/staging/dgap/dgap_driver.c:457:3: error: implicit declaration of function ‘iounmap’ [-Werror=implicit-function-declaration] drivers/staging/dgap/dgap_driver.c: In function ‘dgap_do_remap’: drivers/staging/dgap/dgap_driver.c:694:2: error: implicit declaration of function ‘ioremap’ [-Werror=implicit-function-declaration] Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: David S. Miller <davem@davemloft.net>
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config DGAP
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tristate "Digi EPCA PCI products"
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default n
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depends on TTY
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depends on TTY && HAS_IOMEM
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---help---
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Driver for the Digi International EPCA PCI based product line
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