On Tue, Nov 27, 2012 at 11:53 AM, Doug Anderson <dianders@xxxxxxxxxxxx> wrote: > The recent commit "ARM: EXYNOS: add support for EXYNOS5440 SoC" broke > support for exynos5250 because of_machine_is_compatible() was used too > early in the boot process. It also probably meant that the exynos5440 > failed to use the proper iotable. Switch to use > of_flat_dt_is_compatible() in both of these cases. > > The failure I was seeing in exynos5250 because of this was: > Division by zero in kernel. > [<80015ed4>] (unwind_backtrace+0x0/0xec) from [<8045c7a4>] (dump_stack+0x20/0x24) > [<8045c7a4>] (dump_stack+0x20/0x24) from [<80012990>] (__div0+0x20/0x28) > [<80012990>] (__div0+0x20/0x28) from [<8021ab04>] (Ldiv0_64+0x8/0x18) > [<8021ab04>] (Ldiv0_64+0x8/0x18) from [<80068560>] (__clocksource_updatefreq_scale+0x54/0x134) > [<80068560>] (__clocksource_updatefreq_scale+0x54/0x134) from [<8006865c>] (__clocksource_register_scale+0x1c/0x54) > [<8006865c>] (__clocksource_register_scale+0x1c/0x54) from [<80612a18>] (exynos_timer_init+0x100/0x1e8) > [<80612a18>] (exynos_timer_init+0x100/0x1e8) from [<8060d184>] (time_init+0x28/0x38) > [<8060d184>] (time_init+0x28/0x38) from [<8060a754>] (start_kernel+0x1e0/0x3c8) > [<8060a754>] (start_kernel+0x1e0/0x3c8) from [<40008078>] (0x40008078) > > Signed-off-by: Doug Anderson <dianders@xxxxxxxxxxxx> Thanks Doug. Kukjin, I'll apply this directly on top of the previous branch in arm-soc, if that's OK with you. -Olof -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html