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Diffstat (limited to 'arch/arm/plat-mxc/clock.c')
-rw-r--r--arch/arm/plat-mxc/clock.c21
1 files changed, 11 insertions, 10 deletions
diff --git a/arch/arm/plat-mxc/clock.c b/arch/arm/plat-mxc/clock.c
index 911908164efb..d2b51a1357c1 100644
--- a/arch/arm/plat-mxc/clock.c
+++ b/arch/arm/plat-mxc/clock.c
@@ -4,7 +4,7 @@
* Copyright (C) 2004 - 2005 Nokia corporation
* Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com>
* Modified for omap shared clock framework by Tony Lindgren <tony@atomide.com>
- * Copyright 2007-2010 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2007-2010 Freescale Semiconductor, Inc.
* Copyright 2008 Juergen Beisert, kernel@pengutronix.de
*
* This program is free software; you can redistribute it and/or
@@ -173,14 +173,8 @@ int clk_enable(struct clk *clk)
if (clk == NULL || IS_ERR(clk))
return -EINVAL;
- spin_lock_irqsave(&clockfw_lock, flags);
-
- ret = __clk_enable(clk);
-
- spin_unlock_irqrestore(&clockfw_lock, flags);
-
if ((clk->flags & CPU_FREQ_TRIG_UPDATE)
- && (clk_get_usecount(clk) == 1)) {
+ && (clk_get_usecount(clk) == 0)) {
#if (defined(CONFIG_ARCH_MX5) || defined(CONFIG_ARCH_MX37))
if (low_freq_bus_used() && !low_bus_freq_mode)
set_low_bus_freq();
@@ -200,6 +194,13 @@ int clk_enable(struct clk *clk)
#endif
}
+
+ spin_lock_irqsave(&clockfw_lock, flags);
+
+ ret = __clk_enable(clk);
+
+ spin_unlock_irqrestore(&clockfw_lock, flags);
+
return ret;
}
EXPORT_SYMBOL(clk_enable);
@@ -228,12 +229,12 @@ void clk_disable(struct clk *clk)
set_low_bus_freq();
else {
if (!high_bus_freq_mode) {
- /* Currently at ow or medium set point,
+ /* Currently at low or medium set point,
* need to set to high setpoint
*/
set_high_bus_freq(0);
} else if (high_bus_freq_mode || low_bus_freq_mode) {
- /* Currently at ow or high set point,
+ /* Currently at low or high set point,
* need to set to medium setpoint
*/
set_high_bus_freq(0);