* Grazvydas Ignotas <notasas@xxxxxxxxx> [120204 12:37]: > On Sat, Feb 4, 2012 at 10:34 PM, Russell King - ARM Linux > <linux@xxxxxxxxxxxxxxxx> wrote: > > Another problem oopses the kernel at boot in the voltage domain code, > > which I suspect this has never been boot tested on OMAP34xx CPUs: > > > > 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 00000000 > > pgd = c0004000 > > [00000000] *pgd=00000000 > > Internal error: Oops: 5 [#1] PREEMPT > > Modules linked in: > > CPU: 0 Not tainted (3.3.0-rc2+ #204) > > PC is at omap_vp_init+0x5c/0x15c > > LR is at omap_vp_init+0x58/0x15c > > I've got hit by this too, and it also seems to be DT related, because > if you don't select CONFIG_USE_OF, you lose TWL4030_CORE, which > results in omap_vp errors and NULL dereference. TWL4030_CORE was made > to depend on IRQ_DOMAIN, and that is selected by USE_OF or ARM_GIC. I > guess everyone here builds with USE_OF, but maybe ARCH_OMAP3 should > select ARM_GIC? Thanks for tracking this down. We should not select GIC for omap3 as it does not have it. Instead we should select IRQ_DOMAIN, there's patch "[PATCH v4 1/4] ARM: kconfig: always select IRQ_DOMAIN" posted that does that for all ARMs. Regards, Tony -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
