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Signed-off-by: zhangxirui --- drivers/mmc/host/mxs-mmc.c | 13 +++---------- 1 file changed, 3 insertions(+), 10 deletions(-) diff --git a/drivers/mmc/host/mxs-mmc.c b/drivers/mmc/host/mxs-mmc.c index 6751da9b60f9..591b5a3ad6dd 100644 --- a/drivers/mmc/host/mxs-mmc.c +++ b/drivers/mmc/host/mxs-mmc.c @@ -602,19 +602,16 @@ static int mxs_mmc_probe(struct platform_device *pdev) goto out_mmc_free; } - ssp->clk = devm_clk_get(&pdev->dev, NULL); + ssp->clk = devm_clk_get_enabled(&pdev->dev, NULL); if (IS_ERR(ssp->clk)) { ret = PTR_ERR(ssp->clk); goto out_mmc_free; } - ret = clk_prepare_enable(ssp->clk); - if (ret) - goto out_mmc_free; ret = mxs_mmc_reset(host); if (ret) { dev_err(&pdev->dev, "Failed to reset mmc: %d\n", ret); - goto out_clk_disable; + goto out_mmc_free; } ssp->dmach = dma_request_chan(&pdev->dev, "rx-tx"); @@ -622,7 +619,7 @@ static int mxs_mmc_probe(struct platform_device *pdev) dev_err(mmc_dev(host->mmc), "%s: failed to request dma\n", __func__); ret = PTR_ERR(ssp->dmach); - goto out_clk_disable; + goto out_mmc_free; } /* set mmc core parameters */ @@ -666,8 +663,6 @@ static int mxs_mmc_probe(struct platform_device *pdev) out_free_dma: dma_release_channel(ssp->dmach); -out_clk_disable: - clk_disable_unprepare(ssp->clk); out_mmc_free: mmc_free_host(mmc); return ret; @@ -684,8 +679,6 @@ static void mxs_mmc_remove(struct platform_device *pdev) if (ssp->dmach) dma_release_channel(ssp->dmach); - clk_disable_unprepare(ssp->clk); - mmc_free_host(mmc); }