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author | Frank Li <Frank.Li@nxp.com> | 2024-02-07 22:47:32 +0300 |
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committer | Vinod Koul <vkoul@kernel.org> | 2024-02-16 15:34:42 +0300 |
commit | a79f949a5ce1d45329d63742c2a995f2b47f9852 (patch) | |
tree | eacdb607a934045ab76e84a160a072388d2e2c76 /drivers/dma/fsl-edma-common.h | |
parent | ecec7c9f29a7114a3e23a14020b1149ea7dffb4f (diff) | |
download | linux-a79f949a5ce1d45329d63742c2a995f2b47f9852.tar.xz |
dmaengine: fsl-edma: correct max_segment_size setting
Correcting the previous setting of 0x3fff to the actual value of 0x7fff.
Introduced new macro 'EDMA_TCD_ITER_MASK' for improved code clarity and
utilization of FIELD_GET to obtain the accurate maximum value.
Cc: stable@vger.kernel.org
Fixes: e06748539432 ("dmaengine: fsl-edma: support edma memcpy")
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://lore.kernel.org/r/20240207194733.2112870-1-Frank.Li@nxp.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma/fsl-edma-common.h')
-rw-r--r-- | drivers/dma/fsl-edma-common.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/dma/fsl-edma-common.h b/drivers/dma/fsl-edma-common.h index bb5221158a77..f5e216b157c7 100644 --- a/drivers/dma/fsl-edma-common.h +++ b/drivers/dma/fsl-edma-common.h @@ -30,8 +30,9 @@ #define EDMA_TCD_ATTR_SSIZE(x) (((x) & GENMASK(2, 0)) << 8) #define EDMA_TCD_ATTR_SMOD(x) (((x) & GENMASK(4, 0)) << 11) -#define EDMA_TCD_CITER_CITER(x) ((x) & GENMASK(14, 0)) -#define EDMA_TCD_BITER_BITER(x) ((x) & GENMASK(14, 0)) +#define EDMA_TCD_ITER_MASK GENMASK(14, 0) +#define EDMA_TCD_CITER_CITER(x) ((x) & EDMA_TCD_ITER_MASK) +#define EDMA_TCD_BITER_BITER(x) ((x) & EDMA_TCD_ITER_MASK) #define EDMA_TCD_CSR_START BIT(0) #define EDMA_TCD_CSR_INT_MAJOR BIT(1) |