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SubjectRe: 2.6.33-rc3 regression: leds_alix2: can't allocate I/O for GPIO
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On Thu, 2010-01-07 at 11:26 +0100, Arnd Hannemann wrote:
> with 2.6.33-rc3 the LEDs are not working anymore on my Geode embedded board:
> If I remember correctly this was working fine with 2.6.32, but certainly with 2.6.31
>
> relevant dmesg output of 2.6.33-rc3:
>
> [ 0.709643] cs5535_gpio: base=0x6100 mask=0xb003c66 major=253
>
> [ 2.207947] leds_alix2: system is recognized as "PC Engines ALIX.2 v0.99h"
> [ 2.228678] leds_alix2: can't allocate I/O for GPIO
>
>
> For reference dmesg of 2.6.31.3:
>
> [ 0.611953] cs5535_gpio: base=0x6100 mask=0xb003c66 major=253
>
> [ 2.379114] leds_alix2: system is recognized as "PC Engines ALIX.2"
> [ 2.399097] Registered led device: alix:1
> [ 2.411404] Registered led device: alix:2
> [ 2.423720] Registered led device: alix:3

Its likely to be commit 7f131cf3ed96c969d7b092bf629e25c3df50901e. It
looks like the request_region() call is failing. Daniel, any idea why?

Cheers,

Richard



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