spi: fsl-dspi: add missing clk_disable_unprepare() in dspi_remove()

clock source is prepared and enabled by clk_prepare_enable()
in probe function, but no disable or unprepare in remove.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Mark Brown <broonie@linaro.org>

diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c
index dc3d4eb..3c26fb2 100644 (file)
--- a/drivers/spi/spi-fsl-dspi.c
+++ b/drivers/spi/spi-fsl-dspi.c
@@ -536,6 +536,7 @@ static int dspi_remove(struct platform_device *pdev)
 
        /* Disconnect from the SPI framework */
        spi_bitbang_stop(&dspi->bitbang);
+       clk_disable_unprepare(dspi->clk);
        spi_master_put(dspi->bitbang.master);
 
        return 0;