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

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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>
This commit is contained in:
Bin Meng 2019-08-08 00:52:08 -07:00 • committed by Andes
parent d22c8be964
commit 4dfea4b5cd
1 changed files with 4 additions and 0 deletions
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4
drivers/cpu/riscv_cpu.c
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@ -46,6 +46,10 @@ static int riscv_cpu_get_count(struct udevice *dev)
ofnode_for_each_subnode(node, dev_ofnode(dev->parent)) { ofnode_for_each_subnode(node, dev_ofnode(dev->parent)) {
const char *device_type; 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"); device_type = ofnode_read_string(node, "device_type");
if (!device_type) if (!device_type)
continue; continue;