diff options
| author | Andrey Smirnov <andrew.smirnov@gmail.com> | 2019-05-27 11:14:58 -0700 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2019-05-28 10:38:22 +0200 |
| commit | b082f2edca46c425a8e28e0a98e6ea47fb43a795 (patch) | |
| tree | dbfaba02bfb5696522d851abf2e9bb43fc551901 /drivers/dma | |
| parent | 64f137cae2bfbab2cad3caaf007b66b003b55881 (diff) | |
| download | barebox-b082f2edca46c425a8e28e0a98e6ea47fb43a795.tar.gz barebox-b082f2edca46c425a8e28e0a98e6ea47fb43a795.tar.xz | |
apbh: Use dma_alloc_coherent() to get DMA address
Avoid converting virtual address to physical by simple casting by
making use of the fact that dma_alloc_coherent() can already return
that information to us.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/apbh_dma.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/dma/apbh_dma.c b/drivers/dma/apbh_dma.c index 15a523ac85..3bee89f78b 100644 --- a/drivers/dma/apbh_dma.c +++ b/drivers/dma/apbh_dma.c @@ -381,14 +381,15 @@ static int mxs_dma_release(int channel) struct mxs_dma_desc *mxs_dma_desc_alloc(void) { struct mxs_dma_desc *pdesc; + dma_addr_t dma_address; pdesc = dma_alloc_coherent(sizeof(struct mxs_dma_desc), - DMA_ADDRESS_BROKEN); + &dma_address); if (pdesc == NULL) return NULL; - pdesc->address = (dma_addr_t)pdesc; + pdesc->address = dma_address; return pdesc; }; |