diff options
Diffstat (limited to 'drivers/mmc/host/sdhci-of-arasan.c')
| -rw-r--r-- | drivers/mmc/host/sdhci-of-arasan.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/mmc/host/sdhci-of-arasan.c b/drivers/mmc/host/sdhci-of-arasan.c index 839965f7c717..0e7c07ed9690 100644 --- a/drivers/mmc/host/sdhci-of-arasan.c +++ b/drivers/mmc/host/sdhci-of-arasan.c @@ -1542,6 +1542,8 @@ static int sdhci_arasan_probe(struct platform_device *pdev) } } + sdhci_get_of_property(pdev); + sdhci_arasan->clk_ahb = devm_clk_get(dev, "clk_ahb"); if (IS_ERR(sdhci_arasan->clk_ahb)) { ret = dev_err_probe(dev, PTR_ERR(sdhci_arasan->clk_ahb), @@ -1561,14 +1563,22 @@ static int sdhci_arasan_probe(struct platform_device *pdev) goto err_pltfm_free; } + /* If clock-frequency property is set, use the provided value */ + if (pltfm_host->clock && + pltfm_host->clock != clk_get_rate(clk_xin)) { + ret = clk_set_rate(clk_xin, pltfm_host->clock); + if (ret) { + dev_err(&pdev->dev, "Failed to set SD clock rate\n"); + goto clk_dis_ahb; + } + } + ret = clk_prepare_enable(clk_xin); if (ret) { dev_err(dev, "Unable to enable SD clock.\n"); goto clk_dis_ahb; } - sdhci_get_of_property(pdev); - if (of_property_read_bool(np, "xlnx,fails-without-test-cd")) sdhci_arasan->quirks |= SDHCI_ARASAN_QUIRK_FORCE_CDTEST; |