[PATCH 2/1] comment fixup for smp_call_function

[Will Schmidt]

Fix up the comment blob for smp_call_function and friends.  Also just a
touch of whitespace cleanup.

Signed-off-by: Will Schmidt <will_schmidt at vnet.ibm.com>

---

diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 4878588..1b82228 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -176,15 +176,13 @@ static struct call_data_struct {
 #define SMP_CALL_TIMEOUT	8
 
 /*
- * These functions send a 'generic call function' IPI to other online
- * CPUS in the system.
+ * smp_call_function(): Run a function on other CPUs.
+ * @func: The function to run. This must be fast and non-blocking.
+ * @info: An arbitrary pointer to pass to the function.
+ * @nonatomic: currently unused.
+ * @wait: If true, wait (atomically) until function has completed on other CPUs.
  *
- * [SUMMARY] Run a function on other CPUs.
- * <func> The function to run. This must be fast and non-blocking.
- * <info> An arbitrary pointer to pass to the function.
- * <nonatomic> currently unused.
- * <wait> If true, wait (atomically) until function has completed on other CPUs.
- * [RETURNS] 0 on success, else a negative status code. Does not return until
+ * Returns 0 on success, else a negative status code. Does not return until
  * remote CPUs are nearly ready to execute <<func>> or are or have executed.
  *
  * You must not call this function with disabled interrupts or from a
@@ -361,7 +359,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
 
 	DBG("smp_prepare_cpus\n");
 
-	/* 
+	/*
 	 * setup_cpu may need to be called on the boot cpu. We havent
 	 * spun any cpus up but lets be paranoid.
 	 */
@@ -375,7 +373,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
 		max_cpus = smp_ops->probe();
 	else
 		max_cpus = 1;
- 
+
 	smp_space_timers(max_cpus);
 
 	for_each_possible_cpu(cpu)
@@ -585,7 +583,7 @@ void __init smp_cpus_done(unsigned int max_cpus)
 	 */
 	old_mask = current->cpus_allowed;
 	set_cpus_allowed(current, cpumask_of_cpu(boot_cpuid));
-	
+
 	if (smp_ops)
 		smp_ops->setup_cpu(boot_cpuid);