[PATCH 3.12 026/119] gpio: Fix OF build problem on UM

From: Jiri Slaby
Date: Thu Sep 29 2016 - 06:52:33 EST

From: Linus Walleij <linus.walleij@xxxxxxxxxx>

3.12-stable review patch. If anyone has any objections, please let me know.


commit 2527ecc9195e9c66252af24c4689e8a67cd4ccb9 upstream.

The UserMode (UM) Linux build was failing in gpiolib-of as it requires
ioremap()/iounmap() to exist, which is absent from UM. The non-existence
of IO memory is negatively defined as CONFIG_NO_IOMEM which means we
need to depend on HAS_IOMEM.

Cc: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
Reported-by: kbuild test robot <fengguang.wu@xxxxxxxxx>
Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
drivers/gpio/Kconfig | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index b6ed304863eb..7321ab54c6d7 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -50,6 +50,7 @@ if GPIOLIB
config OF_GPIO
def_bool y
depends on OF
+ depends on HAS_IOMEM

config GPIO_ACPI
def_bool y