[PATCH] gpio: make memory-mapped drivers depend on HAS_IOMEM

[Linus Walleij <linus.walleij@xxxxxxxxxx>]

This one is pretty obvious: on UM Linux compilation of things
like allmodconfig and allyesconfig will fail due to the
absence of IO memory. Simply make these drivers depend on
HAS_IOMEM, it has been implicitly assumed all the time, so
just make it explicit.

Reported-by: kbuild test robot <fengguang.wu@xxxxxxxxx>
Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
---
 drivers/gpio/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 59ba58b8ac13..6cb816b3aab5 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -74,6 +74,7 @@ config GPIO_MAX730X
 	tristate
 
 menu "Memory mapped GPIO drivers"
+	depends on HAS_IOMEM
 
 config GPIO_74XX_MMIO
 	tristate "GPIO driver for 74xx-ICs with MMIO access"
-- 
2.7.4

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