[3/4] mmc: mmci: Prepare for SDIO before setting up DMA job

Message ID 1317109603-17975-1-git-send-email-ulf.hansson@stericsson.com
State Superseded
Headers show

Commit Message

Ulf Hansson Sept. 27, 2011, 7:46 a.m.
Move the SDIO preparation to be done before the DMA job is setup.
This makes it possible to do DMA for SDIO transfers as well as the
earlier supported pio mode.

Signed-off-by: Ulf Hansson <ulf.hansson@stericsson.com>
Signed-off-by: Stefan Nilsson XK <stefan.xk.nilsson@stericsson.com>
---
 drivers/mmc/host/mmci.c |   10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)

Patch

diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index f1d27d9..cd3bc25 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -604,6 +604,11 @@  static void mmci_start_data(struct mmci_host *host, struct mmc_data *data)
 	if (data->flags & MMC_DATA_READ)
 		datactrl |= MCI_DPSM_DIRECTION;
 
+	/* The ST Micro variants has a special bit to enable SDIO */
+	if (variant->sdio && host->mmc->card)
+		if (mmc_card_sdio(host->mmc->card))
+			datactrl |= MCI_ST_DPSM_SDIOEN;
+
 	/*
 	 * Attempt to use DMA operation mode, if this
 	 * should fail, fall back to PIO mode
@@ -632,11 +637,6 @@  static void mmci_start_data(struct mmci_host *host, struct mmc_data *data)
 		irqmask = MCI_TXFIFOHALFEMPTYMASK;
 	}
 
-	/* The ST Micro variants has a special bit to enable SDIO */
-	if (variant->sdio && host->mmc->card)
-		if (mmc_card_sdio(host->mmc->card))
-			datactrl |= MCI_ST_DPSM_SDIOEN;
-
 	writel(datactrl, base + MMCIDATACTRL);
 	writel(readl(base + MMCIMASK0) & ~MCI_DATAENDMASK, base + MMCIMASK0);
 	mmci_set_mask1(host, irqmask);