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    Subject[PATCH 3.12 026/119] gpio: Fix OF build problem on UM
    Date
    From: Linus Walleij <linus.walleij@linaro.org>

    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@linux-m68k.org>
    Reported-by: kbuild test robot <fengguang.wu@intel.com>
    Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
    Signed-off-by: Jiri Slaby <jslaby@suse.cz>
    ---
    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
    --
    2.10.0
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