summaryrefslogtreecommitdiffstats
path: root/drivers/mmc
diff options
context:
space:
mode:
authorUlf Hansson <ulf.hansson@stericsson.com>2011-12-13 17:05:28 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2012-01-20 00:00:58 +0000
commit7258db7efe7d9c5eb80151554faa1fa7411d6e3e (patch)
tree0511157ae197aed2af2c4e691e46c7ee20378e96 /drivers/mmc
parent2cd976c46472e34460349ed43a217e34f90bad55 (diff)
downloadop-kernel-dev-7258db7efe7d9c5eb80151554faa1fa7411d6e3e.zip
op-kernel-dev-7258db7efe7d9c5eb80151554faa1fa7411d6e3e.tar.gz
ARM: 7227/1: mmc: mmci: Prepare for SDIO before setting up DMA job
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> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/host/mmci.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 6a21fc0..b09ccb7 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -615,6 +615,11 @@ 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
@@ -643,11 +648,6 @@ 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);
OpenPOWER on IntegriCloud