diff options
Diffstat (limited to 'drivers/mmc/host/sdhci-of-esdhc.c')
| -rw-r--r-- | drivers/mmc/host/sdhci-of-esdhc.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c index 5cca3fa4610b..500f70a6ee42 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; @@ -759,14 +760,16 @@ 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); sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE); - if (of_find_compatible_node(NULL, NULL, "fsl,p2020-esdhc")) - mdelay(5); - if (mask & SDHCI_RESET_ALL) { val = sdhci_readl(host, ESDHC_TBCTL); val &= ~ESDHC_TB_EN; @@ -1221,6 +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)) { /* @@ -1303,8 +1310,8 @@ static int sdhci_esdhc_probe(struct platform_device *pdev) host->quirks &= ~SDHCI_QUIRK_NO_BUSY_IRQ; if (of_find_compatible_node(NULL, NULL, "fsl,p2020-esdhc")) { - host->quirks2 |= SDHCI_QUIRK_RESET_AFTER_REQUEST; - host->quirks2 |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL; + host->quirks |= SDHCI_QUIRK_RESET_AFTER_REQUEST; + host->quirks |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL; } if (of_device_is_compatible(np, "fsl,p5040-esdhc") || |