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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2015-11-17 13:37:08 +0200
committerVinod Koul <vinod.koul@intel.com>2015-12-05 13:54:28 +0530
commite3fdb1894cfac6dd4a5bb24d3232fd97ddf74c93 (patch)
tree8916c7ada04d6831f6a75dde70aa98885ed35c7a /drivers/dma/idma64.c
parent37580559f314bfba0c8bdae002bc5c10088ac457 (diff)
dmaengine: idma64: set maximum allowed segment size for DMA
This tells, for example, IOMMU what the maximum size of a segment the DMA controller can send. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma/idma64.c')
-rw-r--r--drivers/dma/idma64.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/dma/idma64.c b/drivers/dma/idma64.c
index 6bba0907c263..97802be31588 100644
--- a/drivers/dma/idma64.c
+++ b/drivers/dma/idma64.c
@@ -588,6 +588,8 @@ static int idma64_probe(struct idma64_chip *chip)
idma64->dma.dev = chip->dev;
+ dma_set_max_seg_size(idma64->dma.dev, IDMA64C_CTLH_BLOCK_TS_MASK);
+
ret = dma_async_device_register(&idma64->dma);
if (ret)
return ret;