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riscv: cpu: Skip unavailable hart in the get_count() op

We should not count in hart that is marked as not available in the
device tree in riscv_cpu_get_count().

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Rick Chen <rick@andestech.com>
Reviewed-by: Lukas Auer <lukas.auer@aisec.fraunhofer.de>
Bin Meng 4 年之前
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共有 1 個文件被更改,包括 4 次插入0 次删除
  1. 4 0
      drivers/cpu/riscv_cpu.c

+ 4 - 0
drivers/cpu/riscv_cpu.c

@@ -46,6 +46,10 @@ static int riscv_cpu_get_count(struct udevice *dev)
 	ofnode_for_each_subnode(node, dev_ofnode(dev->parent)) {
 		const char *device_type;
 
+		/* skip if hart is marked as not available in the device tree */
+		if (!ofnode_is_available(node))
+			continue;
+
 		device_type = ofnode_read_string(node, "device_type");
 		if (!device_type)
 			continue;