x86: cpu_x86: Make cpu_x86_get_count() non-static

The function cpu_x86_get_count() is also useful for other modules.
Make it non-static and add a prototype + description.

Signed-off-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

diff --git a/arch/x86/cpu/cpu_x86.c b/arch/x86/cpu/cpu_x86.c
index 1aaf851bb45a22c5c8c00f31b33d5d2473ebd078..3f2ba0881e8d079331751f104f792517f652c044 100644 (file)
--- a/arch/x86/cpu/cpu_x86.c
+++ b/arch/x86/cpu/cpu_x86.c
@@ -52,7 +52,7 @@ int cpu_x86_get_desc(struct udevice *dev, char *buf, int size)
        return 0;
 }
 
-static int cpu_x86_get_count(struct udevice *dev)
+int cpu_x86_get_count(struct udevice *dev)
 {
        int node, cpu;
        int num = 0;

diff --git a/arch/x86/include/asm/cpu_x86.h b/arch/x86/include/asm/cpu_x86.h
index 19223f2c3b458c691edb67df6c67ebceac8309b9..ae8f4dcd5dcb6dcebc4a99db075f61ecc1b70bfa 100644 (file)
--- a/arch/x86/include/asm/cpu_x86.h
+++ b/arch/x86/include/asm/cpu_x86.h
@@ -30,6 +30,18 @@ int cpu_x86_bind(struct udevice *dev);
  */
 int cpu_x86_get_desc(struct udevice *dev, char *buf, int size);
 
+/**
+ * cpu_x86_get_count() - Get the number of cores for an x86 CPU
+ *
+ * This function is suitable to use as the get_count() method for
+ * the CPU uclass.
+ *
+ * @dev:       Device to check (UCLASS_CPU)
+ * @return:    Number of cores if successful,
+ *             -ENOENT if not "/cpus" entry is found in the device tree
+ */
+int cpu_x86_get_count(struct udevice *dev);
+
 /**
  * cpu_x86_get_vendor() - Get a vendor string for an x86 CPU
  *