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Diffstat (limited to 'arch/arm/plat-samsung/clock.c')
-rw-r--r--arch/arm/plat-samsung/clock.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/arch/arm/plat-samsung/clock.c b/arch/arm/plat-samsung/clock.c
index 10f71179071..65c5eca475e 100644
--- a/arch/arm/plat-samsung/clock.c
+++ b/arch/arm/plat-samsung/clock.c
@@ -84,31 +84,35 @@ static int clk_null_enable(struct clk *clk, int enable)
84 84
85int clk_enable(struct clk *clk) 85int clk_enable(struct clk *clk)
86{ 86{
87 unsigned long flags;
88
87 if (IS_ERR(clk) || clk == NULL) 89 if (IS_ERR(clk) || clk == NULL)
88 return -EINVAL; 90 return -EINVAL;
89 91
90 clk_enable(clk->parent); 92 clk_enable(clk->parent);
91 93
92 spin_lock(&clocks_lock); 94 spin_lock_irqsave(&clocks_lock, flags);
93 95
94 if ((clk->usage++) == 0) 96 if ((clk->usage++) == 0)
95 (clk->enable)(clk, 1); 97 (clk->enable)(clk, 1);
96 98
97 spin_unlock(&clocks_lock); 99 spin_unlock_irqrestore(&clocks_lock, flags);
98 return 0; 100 return 0;
99} 101}
100 102
101void clk_disable(struct clk *clk) 103void clk_disable(struct clk *clk)
102{ 104{
105 unsigned long flags;
106
103 if (IS_ERR(clk) || clk == NULL) 107 if (IS_ERR(clk) || clk == NULL)
104 return; 108 return;
105 109
106 spin_lock(&clocks_lock); 110 spin_lock_irqsave(&clocks_lock, flags);
107 111
108 if ((--clk->usage) == 0) 112 if ((--clk->usage) == 0)
109 (clk->enable)(clk, 0); 113 (clk->enable)(clk, 0);
110 114
111 spin_unlock(&clocks_lock); 115 spin_unlock_irqrestore(&clocks_lock, flags);
112 clk_disable(clk->parent); 116 clk_disable(clk->parent);
113} 117}
114 118