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misc: atmel-ssc: prepare clock only when request
Prepare SSC clock only when request SSC channel, the clock will be enabled when initialize the SSC. Signed-off-by: Bo Shen <voice.shen@atmel.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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1 changed files with 2 additions and 2 deletions
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@ -57,7 +57,7 @@ struct ssc_device *ssc_request(unsigned int ssc_num)
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ssc->user++;
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ssc->user++;
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spin_unlock(&user_lock);
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spin_unlock(&user_lock);
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clk_prepare_enable(ssc->clk);
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clk_prepare(ssc->clk);
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return ssc;
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return ssc;
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}
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}
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@ -77,7 +77,7 @@ void ssc_free(struct ssc_device *ssc)
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spin_unlock(&user_lock);
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spin_unlock(&user_lock);
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if (disable_clk)
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if (disable_clk)
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clk_disable_unprepare(ssc->clk);
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clk_unprepare(ssc->clk);
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}
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}
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EXPORT_SYMBOL(ssc_free);
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EXPORT_SYMBOL(ssc_free);
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