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Subject[PATCH 4/5] riscv: treat cpu devicetree nodes without status as enabled
Date
Follow the Linux convention and treat devicetree nodes without a status
property as enabled rather than disabled, while also allowing "ok" as a
shorthand for "okay".

Signed-off-by: Johan Hovold <johan@kernel.org>
---
arch/riscv/kernel/cpu.c | 10 +++-------
1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/arch/riscv/kernel/cpu.c b/arch/riscv/kernel/cpu.c
index 974d374fd36b..d1d9bfd5a89f 100644
--- a/arch/riscv/kernel/cpu.c
+++ b/arch/riscv/kernel/cpu.c
@@ -22,7 +22,7 @@
*/
int riscv_of_processor_hartid(struct device_node *node)
{
- const char *isa, *status;
+ const char *isa;
u32 hart;

if (!of_device_is_compatible(node, "riscv")) {
@@ -39,12 +39,8 @@ int riscv_of_processor_hartid(struct device_node *node)
return -ENODEV;
}

- if (of_property_read_string(node, "status", &status)) {
- pr_warn("CPU with hartid=%d has no \"status\" property\n", hart);
- return -ENODEV;
- }
- if (strcmp(status, "okay")) {
- pr_info("CPU with hartid=%d has a non-okay status of \"%s\"\n", hart, status);
+ if (!of_device_is_available(node)) {
+ pr_info("CPU with hartid=%d is not available\n", hart);
return -ENODEV;
}

--
2.20.1
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