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| author | Nicolas Ferre <nicolas.ferre@atmel.com> | 2010-12-15 18:50:16 +0100 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2011-01-14 16:25:58 -0800 |
| commit | 0f70e8cea3ac6a765289811c590a16934bf47711 (patch) | |
| tree | 8e7800effeaf4a37080744f7694f9f1c5677179e | |
| parent | 2cdf2455a660ea860272ef3f833f0e5c4cc80205 (diff) | |
| download | kernel_samsung_tuna-0f70e8cea3ac6a765289811c590a16934bf47711.zip kernel_samsung_tuna-0f70e8cea3ac6a765289811c590a16934bf47711.tar.gz kernel_samsung_tuna-0f70e8cea3ac6a765289811c590a16934bf47711.tar.bz2 | |
dmaengine: at_hdmac: use dma_address to program DMA hardware
In atc_prep_slave_sg() function we use dma_address field of scatterlist with
sg_dma_address() macro instead of sg_phys(). DMA address is already computed
by dma_map_sg() or another mapping function in calling driver.
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
| -rw-r--r-- | drivers/dma/at_hdmac.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c index a0f3e6a..6eea888 100644 --- a/drivers/dma/at_hdmac.c +++ b/drivers/dma/at_hdmac.c @@ -670,7 +670,7 @@ atc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, if (!desc) goto err_desc_get; - mem = sg_phys(sg); + mem = sg_dma_address(sg); len = sg_dma_len(sg); mem_width = 2; if (unlikely(mem & 3 || len & 3)) @@ -712,7 +712,7 @@ atc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, if (!desc) goto err_desc_get; - mem = sg_phys(sg); + mem = sg_dma_address(sg); len = sg_dma_len(sg); mem_width = 2; if (unlikely(mem & 3 || len & 3)) |