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ARM: imx: lock is always valid for clk_gate2

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The imx specific clk_gate2 always has a valid lock with the clock.  So
the validation on gate->lock is not really needed.  Remove it.

Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
This commit is contained in:
Shawn Guo 2014-04-18 16:07:44 +08:00
parent 54ee1471f8
commit 94b5c02882
1 changed files with 4 additions and 8 deletions
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12
arch/arm/mach-imx/clk-gate2.c
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@ -43,15 +43,13 @@ static int clk_gate2_enable(struct clk_hw *hw)
u32 reg;
unsigned long flags = 0;
if (gate->lock)
spin_lock_irqsave(gate->lock, flags);
spin_lock_irqsave(gate->lock, flags);
reg = readl(gate->reg);
reg |= 3 << gate->bit_idx;
writel(reg, gate->reg);
if (gate->lock)
spin_unlock_irqrestore(gate->lock, flags);
spin_unlock_irqrestore(gate->lock, flags);
return 0;
}
@ -62,15 +60,13 @@ static void clk_gate2_disable(struct clk_hw *hw)
u32 reg;
unsigned long flags = 0;
if (gate->lock)
spin_lock_irqsave(gate->lock, flags);
spin_lock_irqsave(gate->lock, flags);
reg = readl(gate->reg);
reg &= ~(3 << gate->bit_idx);
writel(reg, gate->reg);
if (gate->lock)
spin_unlock_irqrestore(gate->lock, flags);
spin_unlock_irqrestore(gate->lock, flags);
}
static int clk_gate2_is_enabled(struct clk_hw *hw)