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[1/5] mmc: mmci: Prepare for SDIO before setting up DMA job

Message ID 1323704167-10247-2-git-send-email-ulf.hansson@stericsson.com
State Accepted
Commit 7258db7efe7d9c5eb80151554faa1fa7411d6e3e
Headers show

Commit Message

Ulf Hansson Dec. 12, 2011, 3:36 p.m. UTC 
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(-)
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Patch

diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index b98ee98..d311f83 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -638,6 +638,11 @@  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
@@ -666,11 +671,6 @@  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);