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w1: tegra_w1: Don't disable clock if it was not enabled

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Change-Id: I634c24768979fc2c9754f9b1d946dcb1ef1ff213
Signed-off-by: Colin Cross <ccross@android.com>
This commit is contained in:
Colin Cross
2010-09-23 18:20:15 -07:00
parent 3fbbf04884
commit d560be9ffb
1 changed files with 2 additions and 1 deletions
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3
drivers/w1/masters/tegra_w1.c
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@@ -252,7 +252,7 @@ static u8 tegra_w1_touch_bit(void *data, u8 bit)
return_bit = 0;
mutex_lock(&dev->mutex);
if (!dev->ready)
goto done;
goto done_unlock;
clk_enable(dev->clk);
w1_imask(dev, OI_BIT_XFER_DONE);
@@ -292,6 +292,7 @@ done:
w1_imask(dev, 0);
dev->transfer_completion = NULL;
clk_disable(dev->clk);
done_unlock:
mutex_unlock(&dev->mutex);
return return_bit;
}