From: Srinivas Kandagatla Date: Thu, 3 Aug 2017 12:46:14 +0000 (+0200) Subject: mmc: sdhci-msm: set sdma_boundary to zero X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=2a641e5374a486741869875a8b1a35dff6fcd669;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git 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 Acked-by: Adrian Hunter Signed-off-by: Ulf Hansson --- 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;