From: Tony Lindgren <tony@atomide.com>
To: Paul Walmsley <paul@pwsan.com>
Cc: linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
Igor Grinberg <grinberg@compulab.co.il>,
Kevin Hilman <khilman@ti.com>
Subject: Re: [PATCH] ARM: OMAP AM3517/3505: fix crash on boot due to incorrect voltagedomain data
Date: Fri, 16 Dec 2011 11:46:21 -0800 [thread overview]
Message-ID: <20111216194620.GE32251@atomide.com> (raw)
In-Reply-To: <alpine.DEB.2.00.1112160100520.12660@utopia.booyaka.com>
* Paul Walmsley <paul@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
prev parent reply other threads:[~2011-12-16 19:46 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-16 8:02 [PATCH] ARM: OMAP AM3517/3505: fix crash on boot due to incorrect voltagedomain data Paul Walmsley
2011-12-16 19:46 ` Tony Lindgren [this message]
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