mmc: rk_sdmmc: doesn't enforce hpclk to be used

Signed-off-by: lintao <lintao@rock-chips.com>

diff --git a/drivers/mmc/host/rk_sdmmc.c b/drivers/mmc/host/rk_sdmmc.c
index 09d0e323f57e0dfa824d3dc5c2ceff3141a5684d..6d5564734f9151b2057d4a36025f3eeb8376e4ad 100755 (executable)
--- a/drivers/mmc/host/rk_sdmmc.c
+++ b/drivers/mmc/host/rk_sdmmc.c
@@ -3878,10 +3878,9 @@ int dw_mci_probe(struct dw_mci *host)
        host->hpclk_mmc= devm_clk_get(host->dev, "hpclk_mmc");
        if (IS_ERR(host->hpclk_mmc)) {
                dev_err(host->dev, "failed to get hpclk_mmc\n");
-               ret = PTR_ERR(host->hpclk_mmc);
-               goto err_hpclk_mmc;
+       } else {
+               clk_prepare_enable(host->hpclk_mmc);
        }
-       clk_prepare_enable(host->hpclk_mmc);
 
         //hclk enable
         host->hclk_mmc= devm_clk_get(host->dev, "hclk_mmc");
@@ -4083,9 +4082,6 @@ err_clk_mmc:
 err_hclk_mmc:
        if (!IS_ERR(host->hclk_mmc))
                clk_disable_unprepare(host->hclk_mmc);
-err_hpclk_mmc:
-       if (!IS_ERR(host->hpclk_mmc))
-               clk_disable_unprepare(host->hpclk_mmc);
        return ret;
 }
 EXPORT_SYMBOL(dw_mci_probe);