[Gta04-owner] Linux 3.2-rc4 - now with wifi

[Lukas Märdian]

On 03.12.2011 06:31, NeilBrown wrote:
> 
> hi all,
> 
>  I've updated my mainline gta04 kernel tree to 3.2-rc4.
>     git://neil.brown.name/gta04 merge
> 
> 
> The main new functionality is wireless.  The details for enabling wireless
> are slightly different than with the hw-validation kernel.
> 
> 1/ the reset line is /sys/class/gpio/gta04:wlan:reset
>     write 0 to reset, 1 to release the reset
>    The "reset" line is active-low.
> 
> 2/ After power-on and reset you need to trigger a card-detect signal.
>    This requires making gpio/gta:wlan/cd go high, then low.  Card-detect
>    is active-low too.
> 

Hey Neil,

I probably discovered a bug in your code, while trying to compile this
kernel with openembedded.

I was using an older defconfig, which didn't have the option
CONFIG_LEDS_TCA6507 set.

This caused the following error:

arch/arm/mach-omap2/board-omap3gta04.c: In function 'inout_setup_gpio':
arch/arm/mach-omap2/board-omap3gta04.c:802:15: error: 'GPIO_WIFI_RESET'
undeclared (first use in this function)
arch/arm/mach-omap2/board-omap3gta04.c:802:15: note: each undeclared
identifier is reported only once for each function it appears in
arch/arm/mach-omap2/board-omap3gta04.c: At top level:
arch/arm/mach-omap2/board-omap3gta04.c:811:15: error: 'GPIO_WIFI_RESET'
undeclared here (not in a function)
arch/arm/mach-omap2/board-omap3gta04.c:211:31: warning:
'gta04_dvi_device' defined but not used [-Wunused-variable]
arch/arm/mach-omap2/board-omap3gta04.c:317:31: warning:
'gta04_tv_device' defined but not used [-Wunused-variable]
make[1]: *** [arch/arm/mach-omap2/board-omap3gta04.o] Error 1

You're using GPIO_WIFI_RESET, which could potentially not be set.
I don't have a patch at hand, as I'm a kernel novice, but i guess this
could easily be fixed.

BR,
Lukas

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