From: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Date: Wed, 13 Jan 2010 16:58:04 +0000 (+0100)
Subject: imx: WARN in clk_disable if the clock isn't enabled
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=8ac5b7c5ec8d46ad273d37aaa0d6e1f9cd2b01d9;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

imx: WARN in clk_disable if the clock isn't enabled

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: Russell King <linux@arm.linux.org.uk>
---

diff --git a/arch/arm/plat-mxc/clock.c b/arch/arm/plat-mxc/clock.c
index 9e8fbd57495c..323ff8ccc877 100644
--- a/arch/arm/plat-mxc/clock.c
+++ b/arch/arm/plat-mxc/clock.c
@@ -56,6 +56,7 @@ static void __clk_disable(struct clk *clk)
 	__clk_disable(clk->parent);
 	__clk_disable(clk->secondary);
 
+	WARN_ON(!clk->usecount);
 	if (!(--clk->usecount) && clk->disable)
 		clk->disable(clk);
 }