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    SubjectRe: [PATCH 1/2] ARM: ixp4xx: fix compilation, add gpiolib support
    On 02/09/2012 11:57 AM, Arnaud Patard (Rtp) wrote:
    > Mikael Pettersson <mikpe@it.uu.se> writes:
    >
    >> Marc Kleine-Budde writes:
    >> > From: Imre Kaloz <kaloz@openwrt.org>
    >> >
    >> > The problem was introduced with commit:
    >> > "eb9ae7f gpio: fix build error in include/asm-generic/gpio.h"
    >> >
    >> > This patch adds gpiolib support for the IXP4xx platform, which fixes the
    >> > compilation of several ixp4xx platforms, e.g.:
    >> >
    >> > In file included from arch/arm/mach-ixp4xx/include/mach/gpio.h:72,
    >> > from /home/frogger/projects/server/linux/arch/arm/include/asm/gpio.h:9,
    >> > from include/linux/gpio.h:30,
    >> > from arch/arm/mach-ixp4xx/nslu2-setup.c:19:
    >> > include/asm-generic/gpio.h: In function 'gpio_get_value_cansleep':
    >> > include/asm-generic/gpio.h:218: error: implicit declaration of function '__gpio_get_value'
    >> > include/asm-generic/gpio.h: In function 'gpio_set_value_cansleep':
    >> > include/asm-generic/gpio.h:224: error: implicit declaration of function '__gpio_set_value'
    >>
    >> This fix is needed for 3.2 too, right? I got the same errors when
    >> updating my (out-of-tree) ixp4xx/ds101 platform support to the 3.2 kernel
    >> a few days ago.
    >
    > fwiw, it's even needed for 3.1. We've added it in the debian kernel when it
    > was sent to the linux-arm-kernel ml and it was for 3.1.

    Yep v3.1.10 fails in drivers/input/touchscreen/ads7846.c with:

    drivers/input/touchscreen/ads7846.c: In function 'ads7846_setup_pendown':
    drivers/input/touchscreen/ads7846.c:970: error: implicit declaration of
    function 'gpio_request_one'

    Marc

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    Pengutronix e.K. | Marc Kleine-Budde |
    Industrial Linux Solutions | Phone: +49-231-2826-924 |
    Vertretung West/Dortmund | Fax: +49-5121-206917-5555 |
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