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authorBin Meng2015-06-17 11:15:34 +0800
committerSimon Glass2015-07-14 18:03:16 -0600
commit780bfdd3c72a058ba24cda0df66ca75f0a7d8b18 (patch)
treedd9f729d8aad1da238271df2be85d08c04ff7435 /drivers/cpu
parent4c71322b41a657596ee5e5777393ed83e80139c6 (diff)
dm: cpu: Add a new get_count method to cpu uclass
Introduce a new method 'get_count' in the UCLASS_CPU ops to get the number of CPUs in the system. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Acked-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/cpu')
-rw-r--r--drivers/cpu/cpu-uclass.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/cpu/cpu-uclass.c b/drivers/cpu/cpu-uclass.c
index d6be9d4dcf5..a2814a8dcf5 100644
--- a/drivers/cpu/cpu-uclass.c
+++ b/drivers/cpu/cpu-uclass.c
@@ -32,6 +32,16 @@ int cpu_get_info(struct udevice *dev, struct cpu_info *info)
return ops->get_info(dev, info);
}
+int cpu_get_count(struct udevice *dev)
+{
+ struct cpu_ops *ops = cpu_get_ops(dev);
+
+ if (!ops->get_count)
+ return -ENOSYS;
+
+ return ops->get_count(dev);
+}
+
U_BOOT_DRIVER(cpu_bus) = {
.name = "cpu_bus",
.id = UCLASS_SIMPLE_BUS,