diff mbox

[3/8] powerpc: Fix topology core_id endian issue on LE builds

Message ID 1386824381-14032-4-git-send-email-anton@samba.org (mailing list archive)
State Accepted, archived
Commit f8a1883a833bbad8e6b5ec4f0918b7797e652d65
Headers show

Commit Message

Anton Blanchard Dec. 12, 2013, 4:59 a.m. UTC 
cpu_to_core_id() is missing a byteswap:

cat /sys/devices/system/cpu/cpu63/topology/core_id
201326592

Signed-off-by: Anton Blanchard <anton@samba.org>
---
 arch/powerpc/kernel/smp.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox

Patch

diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 19d654b..ac2621a 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -575,7 +575,7 @@  int __cpu_up(unsigned int cpu, struct task_struct *tidle)
 int cpu_to_core_id(int cpu)
 {
 	struct device_node *np;
-	const int *reg;
+	const __be32 *reg;
 	int id = -1;
 
 	np = of_get_cpu_node(cpu, NULL);
@@ -586,7 +586,7 @@  int cpu_to_core_id(int cpu)
 	if (!reg)
 		goto out;
 
-	id = *reg;
+	id = be32_to_cpup(reg);
 out:
 	of_node_put(np);
 	return id;