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| author | Srinivas Kandagatla <srinivas.kandagatla@linaro.org> | 2017-08-03 14:46:14 +0200 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2017-08-30 14:01:54 +0200 |
| commit | 2a641e5374a486741869875a8b1a35dff6fcd669 (patch) | |
| tree | 29c8bd8192817c78489b590d4c6b4e8850f6892e /drivers/mmc/host/sdhci-msm.c | |
| parent | mmc: sdhci: add sdma_boundary member to struct sdhci_host (diff) | |
| download | linux-2a641e5374a486741869875a8b1a35dff6fcd669.tar.xz linux-2a641e5374a486741869875a8b1a35dff6fcd669.zip | |
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>
Diffstat (limited to 'drivers/mmc/host/sdhci-msm.c')
| -rw-r--r-- | drivers/mmc/host/sdhci-msm.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c index f35db061ee4c..fc73e56eb1e2 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; |