From 804c7f422169212e92530e1ddaf74bf1ca9ebfa1 Mon Sep 17 00:00:00 2001 From: Jaehoon Chung Date: Thu, 20 Sep 2012 20:31:55 +0000 Subject: [PATCH] mmc: sdhci: add the DMA select for SDMA In host-control register, DMA select bit field is present. BUt in sdhci.c, didn't select for DMA. if set CONFIG_MMC_SDMA, we need to set SDMA-select bit. Signed-off-by: Jaehoon Chung Signed-off-by: Kyungmin Park Signed-off-by: Andy Fleming --- drivers/mmc/sdhci.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c index 932987427c..15b46868ac 100644 --- a/drivers/mmc/sdhci.c +++ b/drivers/mmc/sdhci.c @@ -82,6 +82,13 @@ static int sdhci_transfer_data(struct sdhci_host *host, struct mmc_data *data, unsigned int start_addr) { unsigned int stat, rdy, mask, timeout, block = 0; +#ifdef CONFIG_MMC_SDMA + unsigned char ctrl; + ctrl = sdhci_readl(host, SDHCI_HOST_CONTROL); + ctrl &= ~SDHCI_CTRL_DMA_MASK; + ctrl |= SDHCI_CTRL_SDMA; + sdhci_writel(host, ctrl, SDHCI_HOST_CONTROL); +#endif timeout = 1000000; rdy = SDHCI_INT_SPACE_AVAIL | SDHCI_INT_DATA_AVAIL; -- 2.39.5