This is a note to let you know that I've just added the patch titled
gpio: Fix OF build problem on UM
to the 3.14-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
gpio-fix-of-build-problem-on-um.patch
and it can be found in the queue-3.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 2527ecc9195e9c66252af24c4689e8a67cd4ccb9 Mon Sep 17 00:00:00 2001
From: Linus Walleij <linus.walleij@xxxxxxxxxx>
Date: Tue, 16 Aug 2016 09:58:25 +0200
Subject: gpio: Fix OF build problem on UM
From: Linus Walleij <linus.walleij@xxxxxxxxxx>
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: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpio/Kconfig | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -50,6 +50,7 @@ config GPIO_DEVRES
config OF_GPIO
def_bool y
depends on OF
+ depends on HAS_IOMEM
config GPIO_ACPI
def_bool y
Patches currently in stable-queue which might be from linus.walleij@xxxxxxxxxx are
queue-3.14/gpio-fix-of-build-problem-on-um.patch
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