[PATCH] ARM: OMAP AM3517/3505: fix crash on boot due to incorrect voltagedomain data

Tony Lindgren tony at atomide.com
Fri Dec 16 14:46:21 EST 2011


* Paul Walmsley <paul at pwsan.com> [111215 23:30]:
> 
> AM3517/3505 chips don't have voltage controller and voltage processor
> IP blocks.  Trying to use OMAP34xx/36xx voltage domain data on these
> chips causes a crash during boot:
> 
>   omap_vc_init_channel: PMIC info requried to configure vc forvdd_core not populated.Hence cannot initialize vc
>   Unable to handle kernel NULL pointer dereference at virtual address 00000025
>   pgd = c0004000
>   [00000025] *pgd=00000000
>   Internal error: Oops: 5 [#1] SMP
>   Modules linked in:
>   CPU: 0    Tainted: G        W     (3.2.0-rc5-00006-g402ecf4 #304)
>   PC is at omap_vp_init+0x5c/0x14c
>   LR is at omap_vp_init+0x54/0x14c
> 
> Fix this by using very minimal voltage domain definitions for AM3517/3505.

Thanks adding this into fixes-non-critical-part2.

Regards,

Tony



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