diff options
| author | Ulf Hansson <ulf.hansson@stericsson.com> | 2011-12-13 17:05:28 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-01-20 00:00:58 +0000 |
| commit | 7258db7efe7d9c5eb80151554faa1fa7411d6e3e (patch) | |
| tree | 0511157ae197aed2af2c4e691e46c7ee20378e96 /drivers/mmc | |
| parent | 2cd976c46472e34460349ed43a217e34f90bad55 (diff) | |
| download | blackbird-op-linux-7258db7efe7d9c5eb80151554faa1fa7411d6e3e.tar.gz blackbird-op-linux-7258db7efe7d9c5eb80151554faa1fa7411d6e3e.zip | |
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.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index 6a21fc0bf3d8..b09ccb7223e5 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); |
