From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752325AbXDDRzH (ORCPT ); Wed, 4 Apr 2007 13:55:07 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752393AbXDDRzG (ORCPT ); Wed, 4 Apr 2007 13:55:06 -0400 Received: from nlpi015.sbcis.sbc.com ([207.115.36.44]:36057 "EHLO nlpi015.sbcis.sbc.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752325AbXDDRzF (ORCPT ); Wed, 4 Apr 2007 13:55:05 -0400 X-ORBL: [67.117.73.34] From: Tony Lindgren To: linux-kernel@vger.kernel.org Cc: Juha Yrjola , Tony Lindgren Subject: [PATCH 5/90] ARM: OMAP: Add function to print clock usecounts Date: Wed, 4 Apr 2007 13:46:32 -0400 Message-Id: <11757088883638-git-send-email-tony@atomide.com> X-Mailer: git-send-email 1.4.4.2 In-Reply-To: <1175708886798-git-send-email-tony@atomide.com> References: omap-2007-04-04-133556 <11757088774110-git-send-email-tony@atomide.com> <11757088791107-git-send-email-tony@atomide.com> <11757088822930-git-send-email-tony@atomide.com> <11757088844012-git-send-email-tony@atomide.com> <1175708886798-git-send-email-tony@atomide.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org From: Juha Yrjola Useful for debugging power management code. Signed-off-by: Juha Yrjola Signed-off-by: Tony Lindgren --- arch/arm/plat-omap/clock.c | 35 +++++++++++++++++++++++++++++++++++ 1 files changed, 35 insertions(+), 0 deletions(-) diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c index f1179ad..3d017b0 100644 --- a/arch/arm/plat-omap/clock.c +++ b/arch/arm/plat-omap/clock.c @@ -33,6 +33,41 @@ static DEFINE_SPINLOCK(clockfw_lock); static struct clk_functions *arch_clock; +#ifdef CONFIG_PM_DEBUG + +static void print_parents(struct clk *clk) +{ + struct clk *p; + int printed = 0; + + list_for_each_entry(p, &clocks, node) { + if (p->parent == clk && p->usecount) { + if (!clk->usecount && !printed) { + printk("MISMATCH: %s\n", clk->name); + printed = 1; + } + printk("\t%-15s\n", p->name); + } + } +} + +void clk_print_usecounts(void) +{ + unsigned long flags; + struct clk *p; + + spin_lock_irqsave(&clockfw_lock, flags); + list_for_each_entry(p, &clocks, node) { + if (p->usecount) + printk("%-15s: %d\n", p->name, p->usecount); + print_parents(p); + + } + spin_unlock_irqrestore(&clockfw_lock, flags); +} + +#endif + /*------------------------------------------------------------------------- * Standard clock functions defined in include/linux/clk.h *-------------------------------------------------------------------------*/ -- 1.4.4.2