>> +static int sdhci_tegra_add_host(struct sdhci_host *host) {
>> +    struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
>> +    struct sdhci_tegra *tegra_host = sdhci_pltfm_priv(pltfm_host);
>> +    struct cqhci_host *cq_host;
>> +    bool dma64;
>> +    int ret;
>> +
>> +    if (!tegra_host->enable_hwcq)
>> +            return sdhci_add_host(host);
>> +
>> +    host->v4_mode = true;
>
>Can you use sdhci_enable_v4_mode() here?

Hi Adrian,
sdhci_read_caps sets v4 mode thru sdhci_do_enable_v4_mode if v4_mode is true
sdhci_setup_host calls sdhci_read_caps so I was setting v4_mode to true so v4 
mode gets enabled during read caps.

Thanks
sowjanya

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