OSDN Git Service

dmaengine: pl330: report BURST residue granularity
authorMarek Szyprowski <m.szyprowski@samsung.com>
Tue, 19 Jun 2018 13:20:50 +0000 (15:20 +0200)
committerVinod Koul <vkoul@kernel.org>
Thu, 28 Jun 2018 05:54:17 +0000 (11:24 +0530)
The reported residue is already calculated in BURST unit granularity, so
advertise this capability properly to other devices in the system.

Fixes: aee4d1fac887 ("dmaengine: pl330: improve pl330_tx_status() function")
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
drivers/dma/pl330.c

index defcdde..de0957f 100644 (file)
@@ -3033,7 +3033,7 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id)
        pd->src_addr_widths = PL330_DMA_BUSWIDTHS;
        pd->dst_addr_widths = PL330_DMA_BUSWIDTHS;
        pd->directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);
-       pd->residue_granularity = DMA_RESIDUE_GRANULARITY_SEGMENT;
+       pd->residue_granularity = DMA_RESIDUE_GRANULARITY_BURST;
        pd->max_burst = ((pl330->quirks & PL330_QUIRK_BROKEN_NO_FLUSHP) ?
                         1 : PL330_MAX_BURST);