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| author | Ulf Hansson <ulf.hansson@linaro.org> | 2019-12-19 08:15:58 +0100 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2019-12-19 08:15:58 +0100 |
| commit | 9f606f11ea98c7a34c9e8c7405ec80ef3572ce69 (patch) | |
| tree | 6e855db1a0e23dece8c9f2b468d20746c4c421d2 /drivers/mmc | |
| parent | 2253ed4b36dc876d1598c4dab5587e537ec68c34 (diff) | |
| parent | f667216c5c7c967c3e568cdddefb51fe606bfe26 (diff) | |
| download | linux-9f606f11ea98c7a34c9e8c7405ec80ef3572ce69.tar.bz2 | |
Merge branch 'fixes' into next
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/sdhci-of-esdhc.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c index 4abb7818e128..cd3b67630424 100644 --- a/drivers/mmc/host/sdhci-of-esdhc.c +++ b/drivers/mmc/host/sdhci-of-esdhc.c @@ -80,6 +80,7 @@ struct sdhci_esdhc { bool quirk_tuning_erratum_type1; bool quirk_tuning_erratum_type2; bool quirk_ignore_data_inhibit; + bool quirk_delay_before_data_reset; bool in_sw_tuning; unsigned int peripheral_clock; const struct esdhc_clk_fixup *clk_fixup; @@ -759,6 +760,11 @@ static void esdhc_reset(struct sdhci_host *host, u8 mask) struct sdhci_esdhc *esdhc = sdhci_pltfm_priv(pltfm_host); u32 val; + if (esdhc->quirk_delay_before_data_reset && + (mask & SDHCI_RESET_DATA) && + (host->flags & SDHCI_REQ_USE_DMA)) + mdelay(5); + sdhci_reset(host, mask); sdhci_writel(host, host->ier, SDHCI_INT_ENABLE); @@ -1218,6 +1224,10 @@ static void esdhc_init(struct platform_device *pdev, struct sdhci_host *host) if (match) esdhc->clk_fixup = match->data; np = pdev->dev.of_node; + + if (of_device_is_compatible(np, "fsl,p2020-esdhc")) + esdhc->quirk_delay_before_data_reset = true; + clk = of_clk_get(np, 0); if (!IS_ERR(clk)) { /* |