| Message ID | 1437553275-30727-5-git-send-email-bmeng.cn@gmail.com |
|---|---|
| State | Accepted |
| Delegated to: | Simon Glass |
| Headers | show |
On 22 July 2015 at 02:21, Bin Meng <bmeng.cn@gmail.com> wrote: > 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> > > --- > > Changes in v3: > - Remove the call to device_probe() > - Add a comment to explain why return value is not checked > > Changes in v2: > - New patch to allow cpu-x86 driver to be probed for UP > > arch/x86/cpu/cpu.c | 9 +++++++++ > 1 file changed, 9 insertions(+) Acked-by: Simon Glass <sjg@chromium.org>
On 22 July 2015 at 07:22, Simon Glass <sjg@chromium.org> wrote: > On 22 July 2015 at 02:21, Bin Meng <bmeng.cn@gmail.com> wrote: >> 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> >> >> --- >> >> Changes in v3: >> - Remove the call to device_probe() >> - Add a comment to explain why return value is not checked >> >> Changes in v2: >> - New patch to allow cpu-x86 driver to be probed for UP >> >> arch/x86/cpu/cpu.c | 9 +++++++++ >> 1 file changed, 9 insertions(+) > > Acked-by: Simon Glass <sjg@chromium.org> Applied to u-boot-x86, thanks!
diff --git a/arch/x86/cpu/cpu.c b/arch/x86/cpu/cpu.c index b4e0fd9..b9134cf 100644 --- a/arch/x86/cpu/cpu.c +++ b/arch/x86/cpu/cpu.c @@ -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;
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> --- Changes in v3: - Remove the call to device_probe() - Add a comment to explain why return value is not checked Changes in v2: - New patch to allow cpu-x86 driver to be probed for UP arch/x86/cpu/cpu.c | 9 +++++++++ 1 file changed, 9 insertions(+)