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authorDoug Anderson <dianders@chromium.org>2012-11-27 11:53:14 -0800
committerOlof Johansson <olof@lixom.net>2012-11-28 09:24:22 -0800
commit5b7897db00bd66a42c626012f51cd3b1d5e6bee5 (patch)
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parent7423d2d817b815cc5bc41316f4aaa8ace3c4153e (diff)
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ARM: EXYNOS: Avoid early use of of_machine_is_compatible()
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@chromium.org> Acked-by: Kukjin Kim <kgene.kim@samsung.com> [olofj: fixed two build errors, one missing include and one !CONFIG_OF failure] Signed-off-by: Olof Johansson <olof@lixom.net>
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