diff options
| author | Gustavo Pimentel <Gustavo.Pimentel@synopsys.com> | 2021-02-18 20:04:01 +0100 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2021-03-16 22:58:53 +0530 |
| commit | 16b90dd94d3f88b9f43cc06228d2b64d32225e5d (patch) | |
| tree | 11dbd15ce76ebe28397e1349e346653301ec75b5 /drivers/dma/dw-edma/dw-edma-core.h | |
| parent | 85e7518f42c85d339fac0af9f9d025d7e6717f2d (diff) | |
dmaengine: dw-edma: Improve number of channels check
It was added some extra checks to ensure that the driver doesn't try to
use more DMA channels than actually are available in hardware.
Signed-off-by: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
Link: https://lore.kernel.org/r/cfb2b0a4f97ae9dc83ebe5ea59d6a51d69ea3654.1613674948.git.gustavo.pimentel@synopsys.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma/dw-edma/dw-edma-core.h')
| -rw-r--r-- | drivers/dma/dw-edma/dw-edma-core.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/dma/dw-edma/dw-edma-core.h b/drivers/dma/dw-edma/dw-edma-core.h index f72ebaa118af..650b1c7d30b7 100644 --- a/drivers/dma/dw-edma/dw-edma-core.h +++ b/drivers/dma/dw-edma/dw-edma-core.h @@ -15,6 +15,8 @@ #include "../virt-dma.h" #define EDMA_LL_SZ 24 +#define EDMA_MAX_WR_CH 8 +#define EDMA_MAX_RD_CH 8 enum dw_edma_dir { EDMA_DIR_WRITE = 0, |