diff options
| author | Guennadi Liakhovetski <g.liakhovetski@gmx.de> | 2013-04-26 15:47:19 (GMT) |
|---|---|---|
| committer | Chris Ball <cjb@laptop.org> | 2013-05-26 18:23:21 (GMT) |
| commit | 87ae7bbebd9c9b32ad49dde1742aa68b5a86caf8 (patch) | |
| tree | 9ecb5f53bf34f342631db33ed2d4d307f48d3ff4 /drivers/mmc/host/sh_mobile_sdhi.c | |
| parent | eec95ee22611f2207bd991d63a07884de28e6f56 (diff) | |
| download | linux-fsl-qoriq-87ae7bbebd9c9b32ad49dde1742aa68b5a86caf8.tar.xz | |
mmc: sdhi/tmio: add DT DMA support
Add support for initialising DMA from the Device Tree.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'drivers/mmc/host/sh_mobile_sdhi.c')
| -rw-r--r-- | drivers/mmc/host/sh_mobile_sdhi.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/mmc/host/sh_mobile_sdhi.c b/drivers/mmc/host/sh_mobile_sdhi.c index 7f45f62..cc4c872 100644 --- a/drivers/mmc/host/sh_mobile_sdhi.c +++ b/drivers/mmc/host/sh_mobile_sdhi.c @@ -144,6 +144,7 @@ static int sh_mobile_sdhi_probe(struct platform_device *pdev) struct tmio_mmc_host *host; int irq, ret, i = 0; bool multiplexed_isr = true; + struct tmio_mmc_dma *dma_priv; priv = devm_kzalloc(&pdev->dev, sizeof(struct sh_mobile_sdhi), GFP_KERNEL); if (priv == NULL) { @@ -152,6 +153,7 @@ static int sh_mobile_sdhi_probe(struct platform_device *pdev) } mmc_data = &priv->mmc_data; + dma_priv = &priv->dma_priv; if (p) { if (p->init) { @@ -184,8 +186,6 @@ static int sh_mobile_sdhi_probe(struct platform_device *pdev) mmc_data->get_cd = sh_mobile_sdhi_get_cd; if (p->dma_slave_tx > 0 && p->dma_slave_rx > 0) { - struct tmio_mmc_dma *dma_priv = &priv->dma_priv; - /* * Yes, we have to provide slave IDs twice to TMIO: * once as a filter parameter and once for channel @@ -195,14 +195,14 @@ static int sh_mobile_sdhi_probe(struct platform_device *pdev) dma_priv->chan_priv_rx = (void *)p->dma_slave_rx; dma_priv->slave_id_tx = p->dma_slave_tx; dma_priv->slave_id_rx = p->dma_slave_rx; - - dma_priv->alignment_shift = 1; /* 2-byte alignment */ - dma_priv->filter = shdma_chan_filter; - - mmc_data->dma = dma_priv; } } + dma_priv->alignment_shift = 1; /* 2-byte alignment */ + dma_priv->filter = shdma_chan_filter; + + mmc_data->dma = dma_priv; + /* * All SDHI blocks support 2-byte and larger block sizes in 4-bit * bus width mode. |