4.17-stable review patch. If anyone has any objections, please let me know.
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From: Marek Szyprowski m.szyprowski@samsung.com
[ Upstream commit e3f329c600033f011a978a8bc4ddb1e2e94c4f4d ]
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 Signed-off-by: Sasha Levin alexander.levin@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/dma/pl330.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/dma/pl330.c +++ b/drivers/dma/pl330.c @@ -2924,7 +2924,7 @@ pl330_probe(struct amba_device *adev, co 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);