MIPS: clean up resume declaration

This patch cleans up the declaration of the resume function by replacing
void pointers with their correct types. The irrelevant & incorrect
comment preceeding the resume function is replaced by one documenting
its function.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Reviewed-by: Qais Yousef <qais.yousef@imgtec.com>
Acked-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6146/

diff --git a/arch/mips/include/asm/switch_to.h b/arch/mips/include/asm/switch_to.h
index eb0af15ac656b5757d3250ad38cd800e7ac291f1..278d45a097286034bfba656c9d626b1ff3d810b2 100644 (file)
--- a/arch/mips/include/asm/switch_to.h
+++ b/arch/mips/include/asm/switch_to.h
@@ -19,11 +19,19 @@
 
 struct task_struct;
 
-/*
- * switch_to(n) should switch tasks to task nr n, first
- * checking that n isn't the current task, in which case it does nothing.
+/**
+ * resume - resume execution of a task
+ * @prev:      The task previously executed.
+ * @next:      The task to begin executing.
+ * @next_ti:   task_thread_info(next).
+ * @usedfpu:   Non-zero if prev's FP context should be saved.
+ *
+ * This function is used whilst scheduling to save the context of prev & load
+ * the context of next. Returns prev.
  */
-extern asmlinkage void *resume(void *last, void *next, void *next_ti, u32 __usedfpu);
+extern asmlinkage struct task_struct *resume(struct task_struct *prev,
+               struct task_struct *next, struct thread_info *next_ti,
+               u32 usedfpu);
 
 extern unsigned int ll_bit;
 extern struct task_struct *ll_task;