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>

diff --git a/drivers/misc/atmel-ssc.c b/drivers/misc/atmel-ssc.c
index 60843a2..f9807a7 100644 (file)
--- a/drivers/misc/atmel-ssc.c
+++ b/drivers/misc/atmel-ssc.c
@@ -57,7 +57,7 @@ struct ssc_device *ssc_request(unsigned int ssc_num)
        ssc->user++;
        spin_unlock(&user_lock);
 
-       clk_prepare_enable(ssc->clk);
+       clk_prepare(ssc->clk);
 
        return ssc;
 }
@@ -77,7 +77,7 @@ void ssc_free(struct ssc_device *ssc)
        spin_unlock(&user_lock);
 
        if (disable_clk)
-               clk_disable_unprepare(ssc->clk);
+               clk_unprepare(ssc->clk);
 }
 EXPORT_SYMBOL(ssc_free);