powerpc/ps3: Fix SMP lockdep boot warning
Move the PS3 IPI message setup from ps3_smp_setup_cpu() to ps3_smp_probe().
Fixes startup warnings like these:
------------[ cut here ]------------
WARNING: at kernel/lockdep.c:2649
Modules linked in:
...
---[ end trace 31fd0ba7d8756001 ]---
Signed-off-by: Geoff Levand <geoff@infradead.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
diff --git a/arch/powerpc/platforms/ps3/smp.c b/arch/powerpc/platforms/ps3/smp.c
index f609345..efc1cd8 100644
--- a/arch/powerpc/platforms/ps3/smp.c
+++ b/arch/powerpc/platforms/ps3/smp.c
@@ -59,48 +59,49 @@
static int ps3_smp_probe(void)
{
- return 2;
-}
+ int cpu;
-static void __init ps3_smp_setup_cpu(int cpu)
-{
- int result;
- unsigned int *virqs = per_cpu(ps3_ipi_virqs, cpu);
- int i;
+ for (cpu = 0; cpu < 2; cpu++) {
+ int result;
+ unsigned int *virqs = per_cpu(ps3_ipi_virqs, cpu);
+ int i;
- DBG(" -> %s:%d: (%d)\n", __func__, __LINE__, cpu);
+ DBG(" -> %s:%d: (%d)\n", __func__, __LINE__, cpu);
- /*
- * Check assumptions on ps3_ipi_virqs[] indexing. If this
- * check fails, then a different mapping of PPC_MSG_
- * to index needs to be setup.
- */
+ /*
+ * Check assumptions on ps3_ipi_virqs[] indexing. If this
+ * check fails, then a different mapping of PPC_MSG_
+ * to index needs to be setup.
+ */
- BUILD_BUG_ON(PPC_MSG_CALL_FUNCTION != 0);
- BUILD_BUG_ON(PPC_MSG_RESCHEDULE != 1);
- BUILD_BUG_ON(PPC_MSG_CALL_FUNC_SINGLE != 2);
- BUILD_BUG_ON(PPC_MSG_DEBUGGER_BREAK != 3);
+ BUILD_BUG_ON(PPC_MSG_CALL_FUNCTION != 0);
+ BUILD_BUG_ON(PPC_MSG_RESCHEDULE != 1);
+ BUILD_BUG_ON(PPC_MSG_CALL_FUNC_SINGLE != 2);
+ BUILD_BUG_ON(PPC_MSG_DEBUGGER_BREAK != 3);
- for (i = 0; i < MSG_COUNT; i++) {
- result = ps3_event_receive_port_setup(cpu, &virqs[i]);
+ for (i = 0; i < MSG_COUNT; i++) {
+ result = ps3_event_receive_port_setup(cpu, &virqs[i]);
- if (result)
- continue;
+ if (result)
+ continue;
- DBG("%s:%d: (%d, %d) => virq %u\n",
- __func__, __LINE__, cpu, i, virqs[i]);
+ DBG("%s:%d: (%d, %d) => virq %u\n",
+ __func__, __LINE__, cpu, i, virqs[i]);
- result = smp_request_message_ipi(virqs[i], i);
+ result = smp_request_message_ipi(virqs[i], i);
- if (result)
- virqs[i] = NO_IRQ;
- else
- ps3_register_ipi_irq(cpu, virqs[i]);
+ if (result)
+ virqs[i] = NO_IRQ;
+ else
+ ps3_register_ipi_irq(cpu, virqs[i]);
+ }
+
+ ps3_register_ipi_debug_brk(cpu, virqs[PPC_MSG_DEBUGGER_BREAK]);
+
+ DBG(" <- %s:%d: (%d)\n", __func__, __LINE__, cpu);
}
- ps3_register_ipi_debug_brk(cpu, virqs[PPC_MSG_DEBUGGER_BREAK]);
-
- DBG(" <- %s:%d: (%d)\n", __func__, __LINE__, cpu);
+ return 2;
}
void ps3_smp_cleanup_cpu(int cpu)
@@ -123,7 +124,6 @@
.probe = ps3_smp_probe,
.message_pass = ps3_smp_message_pass,
.kick_cpu = smp_generic_kick_cpu,
- .setup_cpu = ps3_smp_setup_cpu,
};
void smp_init_ps3(void)