[U-Boot] [PATCH v2 4/7] x86: Allow cpu-x86 driver to be probed for UP

[Bin Meng]

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 at gmail.com>

---

Changes in v2:
- New patch to allow cpu-x86 driver to be probed for UP

 arch/x86/cpu/cpu.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/x86/cpu/cpu.c b/arch/x86/cpu/cpu.c
index b4e0fd9..1c69a18 100644
--- a/arch/x86/cpu/cpu.c
+++ b/arch/x86/cpu/cpu.c
@@ -35,6 +35,7 @@
 #include <asm/processor-flags.h>
 #include <asm/interrupt.h>
 #include <asm/tables.h>
+#include <dm/device-internal.h>
 #include <linux/compiler.h>
 
 DECLARE_GLOBAL_DATA_PTR;
@@ -696,6 +697,12 @@ __weak int x86_init_cpus(void)
 #ifdef CONFIG_SMP
 	debug("Init additional CPUs\n");
 	x86_mp_init();
+#else
+	struct udevice *dev = NULL;
+
+	uclass_first_device(UCLASS_CPU, &dev);
+	if (dev)
+		device_probe(dev);
 #endif
 
 	return 0;
-- 
1.8.2.1