From 702554ce1d91fa5684988233ae5f929575f17fe6 Mon Sep 17 00:00:00 2001 From: Erik Gilling Date: Thu, 21 Jul 2011 14:07:45 -0700 Subject: earlysuspend: add verbose debug flag when enabled, prints out the function of each handler as they are called Change-Id: I5ed251867e0e3aa3cd05f030ff3579808cedd0c2 Signed-off-by: Erik Gilling --- kernel/power/earlysuspend.c | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) diff --git a/kernel/power/earlysuspend.c b/kernel/power/earlysuspend.c index 84bed51..b15f02e 100644 --- a/kernel/power/earlysuspend.c +++ b/kernel/power/earlysuspend.c @@ -26,6 +26,7 @@ enum { DEBUG_USER_STATE = 1U << 0, DEBUG_SUSPEND = 1U << 2, + DEBUG_VERBOSE = 1U << 3, }; static int debug_mask = DEBUG_USER_STATE; module_param_named(debug_mask, debug_mask, int, S_IRUGO | S_IWUSR | S_IWGRP); @@ -94,8 +95,11 @@ static void early_suspend(struct work_struct *work) if (debug_mask & DEBUG_SUSPEND) pr_info("early_suspend: call handlers\n"); list_for_each_entry(pos, &early_suspend_handlers, link) { - if (pos->suspend != NULL) + if (pos->suspend != NULL) { + if (debug_mask & DEBUG_VERBOSE) + pr_info("early_suspend: calling %pf\n", pos->suspend); pos->suspend(pos); + } } mutex_unlock(&early_suspend_lock); @@ -131,9 +135,14 @@ static void late_resume(struct work_struct *work) } if (debug_mask & DEBUG_SUSPEND) pr_info("late_resume: call handlers\n"); - list_for_each_entry_reverse(pos, &early_suspend_handlers, link) - if (pos->resume != NULL) + list_for_each_entry_reverse(pos, &early_suspend_handlers, link) { + if (pos->resume != NULL) { + if (debug_mask & DEBUG_VERBOSE) + pr_info("late_resume: calling %pf\n", pos->resume); + pos->resume(pos); + } + } if (debug_mask & DEBUG_SUSPEND) pr_info("late_resume: done\n"); abort: -- cgit v1.1