From: Anton Blanchard Date: Thu, 12 Dec 2013 04:59:36 +0000 (+1100) Subject: powerpc: Fix topology core_id endian issue on LE builds X-Git-Tag: v3.13-rc7~12^2~15 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f8a1883a833bbad8e6b5ec4f0918b7797e652d65;p=kernel%2Fkernel-generic.git powerpc: Fix topology core_id endian issue on LE builds cpu_to_core_id() is missing a byteswap: cat /sys/devices/system/cpu/cpu63/topology/core_id 201326592 Signed-off-by: Anton Blanchard Signed-off-by: Benjamin Herrenschmidt --- diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c index a3b64f3..c1cf4a1 100644 --- a/arch/powerpc/kernel/smp.c +++ b/arch/powerpc/kernel/smp.c @@ -580,7 +580,7 @@ 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); @@ -591,7 +591,7 @@ 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;