diff options
Diffstat (limited to 'drivers/mmc/host')
| -rw-r--r-- | drivers/mmc/host/sdhci-of-arasan.c | 14 | ||||
| -rw-r--r-- | drivers/mmc/host/sdhci.c | 10 | ||||
| -rw-r--r-- | drivers/mmc/host/sdhci.h | 1 |
3 files changed, 22 insertions, 3 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; diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 6aaf5c3ce34c..aba6e10b8605 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1812,6 +1812,10 @@ static u16 sdhci_get_preset_value(struct sdhci_host *host) u16 preset = 0; switch (host->timing) { + case MMC_TIMING_MMC_HS: + case MMC_TIMING_SD_HS: + preset = sdhci_readw(host, SDHCI_PRESET_FOR_HIGH_SPEED); + break; case MMC_TIMING_UHS_SDR12: preset = sdhci_readw(host, SDHCI_PRESET_FOR_SDR12); break; @@ -4072,9 +4076,13 @@ static void sdhci_allocate_bounce_buffer(struct sdhci_host *host) bounce_size, DMA_BIDIRECTIONAL); ret = dma_mapping_error(mmc_dev(mmc), host->bounce_addr); - if (ret) + if (ret) { + devm_kfree(mmc_dev(mmc), host->bounce_buffer); + host->bounce_buffer = NULL; /* Again fall back to max_segs == 1 */ return; + } + host->bounce_buffer_size = bounce_size; /* Lie about this since we're bouncing */ diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index c35ed4be75b7..074dc182b184 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -255,6 +255,7 @@ /* 60-FB reserved */ +#define SDHCI_PRESET_FOR_HIGH_SPEED 0x64 #define SDHCI_PRESET_FOR_SDR12 0x66 #define SDHCI_PRESET_FOR_SDR25 0x68 #define SDHCI_PRESET_FOR_SDR50 0x6A |