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-rw-r--r--arch/arm/mach-imx/clk-gate2.c23
1 files changed, 19 insertions, 4 deletions
diff --git a/arch/arm/mach-imx/clk-gate2.c b/arch/arm/mach-imx/clk-gate2.c
index 5a75cdc81891..8935bff99fe7 100644
--- a/arch/arm/mach-imx/clk-gate2.c
+++ b/arch/arm/mach-imx/clk-gate2.c
@@ -96,15 +96,30 @@ static int clk_gate2_is_enabled(struct clk_hw *hw)
96{ 96{
97 struct clk_gate2 *gate = to_clk_gate2(hw); 97 struct clk_gate2 *gate = to_clk_gate2(hw);
98 98
99 if (gate->share_count) 99 return clk_gate2_reg_is_enabled(gate->reg, gate->bit_idx);
100 return !!__clk_get_enable_count(hw->clk); 100}
101 else 101
102 return clk_gate2_reg_is_enabled(gate->reg, gate->bit_idx); 102static void clk_gate2_disable_unused(struct clk_hw *hw)
103{
104 struct clk_gate2 *gate = to_clk_gate2(hw);
105 unsigned long flags = 0;
106 u32 reg;
107
108 spin_lock_irqsave(gate->lock, flags);
109
110 if (!gate->share_count || *gate->share_count == 0) {
111 reg = readl(gate->reg);
112 reg &= ~(3 << gate->bit_idx);
113 writel(reg, gate->reg);
114 }
115
116 spin_unlock_irqrestore(gate->lock, flags);
103} 117}
104 118
105static struct clk_ops clk_gate2_ops = { 119static struct clk_ops clk_gate2_ops = {
106 .enable = clk_gate2_enable, 120 .enable = clk_gate2_enable,
107 .disable = clk_gate2_disable, 121 .disable = clk_gate2_disable,
122 .disable_unused = clk_gate2_disable_unused,
108 .is_enabled = clk_gate2_is_enabled, 123 .is_enabled = clk_gate2_is_enabled,
109}; 124};
110 125