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x86: Allow cpu-x86 driver to be probed for UP 

Currently cpu-x86 driver is probed only for SMP. We add the same
support for UP when there is only one cpu node in the deive tree.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Bin Meng 2015-07-22 01:21:12 -07:00 committed by Simon Glass
parent e7cd070da6
commit c77b8912d8
1 changed files with 9 additions and 0 deletions
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9
arch/x86/cpu/cpu.c
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@ -696,6 +696,15 @@ __weak int x86_init_cpus(void)
#ifdef CONFIG_SMP
debug("Init additional CPUs\n");
x86_mp_init();
#else
struct udevice *dev;
/*
* This causes the cpu-x86 driver to be probed.
* We don't check return value here as we want to allow boards
* which have not been converted to use cpu uclass driver to boot.
*/
uclass_first_device(UCLASS_CPU, &dev);
#endif
return 0;