On 03/08/17 15:46, [email protected] wrote:
> From: Srinivas Kandagatla <[email protected]>
> 
> Programming legacy HOST SDMA Buffer Boundary bits in Block Size Register
> (0x04) is not supported in Qualcomm sdhci controllers. Writing to this
> would cause the controller not to transfer last block in case block size
> is 4 bytes or less.
> 
> This issue was noticed while testing sdio wlan card on Qcom DB410c board.
> 
> Signed-off-by: Srinivas Kandagatla <[email protected]>

Acked-by: Adrian Hunter <[email protected]>

> ---
>  drivers/mmc/host/sdhci-msm.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c
> index 9d601dc..adfe5bd 100644
> --- a/drivers/mmc/host/sdhci-msm.c
> +++ b/drivers/mmc/host/sdhci-msm.c
> @@ -1133,6 +1133,7 @@ static int sdhci_msm_probe(struct platform_device *pdev)
>       if (IS_ERR(host))
>               return PTR_ERR(host);
>  
> +     host->sdma_boundary = 0;
>       pltfm_host = sdhci_priv(host);
>       msm_host = sdhci_pltfm_priv(pltfm_host);
>       msm_host->mmc = host->mmc;
> 

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