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mmc: sdhci-msm: set sdma_boundary to zero 

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 <srinivas.kandagatla@linaro.org>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Srinivas Kandagatla 2017-08-03 14:46:14 +02:00 committed by Ulf Hansson
parent c846a00f72
commit 2a641e5374
1 changed files with 1 additions and 0 deletions
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drivers/mmc/host/sdhci-msm.c
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@ -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;