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misc: atmel-ssc: prepare clock only when request

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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>
This commit is contained in:
Bo Shen 2014-09-24 17:33:55 +08:00 • committed by Greg Kroah-Hartman
parent d512c2098b
commit 49af54ff0f
1 changed files with 2 additions and 2 deletions
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4
drivers/misc/atmel-ssc.c
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@ -57,7 +57,7 @@ struct ssc_device *ssc_request(unsigned int ssc_num)
ssc->user++; ssc->user++;
spin_unlock(&user_lock); spin_unlock(&user_lock);
clk_prepare_enable(ssc->clk); clk_prepare(ssc->clk);
return ssc; return ssc;
} }
@ -77,7 +77,7 @@ void ssc_free(struct ssc_device *ssc)
spin_unlock(&user_lock); spin_unlock(&user_lock);
if (disable_clk) if (disable_clk)
clk_disable_unprepare(ssc->clk); clk_unprepare(ssc->clk);
} }
EXPORT_SYMBOL(ssc_free); EXPORT_SYMBOL(ssc_free);