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Current driver is using fixed 0x7fff (= for 14ch), it is not good match for Gen3 or Gen2 Audio DMAC. This patch fixes it Signed-off-by: Kuninori Morimoto Acked-by: Geert Uytterhoeven --- drivers/dma/sh/rcar-dmac.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/dma/sh/rcar-dmac.c b/drivers/dma/sh/rcar-dmac.c index 57a6dfc9..02b86c6 100644 --- a/drivers/dma/sh/rcar-dmac.c +++ b/drivers/dma/sh/rcar-dmac.c @@ -422,7 +422,7 @@ static int rcar_dmac_init(struct rcar_dmac *dmac) u16 dmaor; /* Clear all channels and enable the DMAC globally. */ - rcar_dmac_write(dmac, RCAR_DMACHCLR, 0x7fff); + rcar_dmac_write(dmac, RCAR_DMACHCLR, GENMASK(dmac->n_channels - 1, 0)); rcar_dmac_write(dmac, RCAR_DMAOR, RCAR_DMAOR_PRI_FIXED | RCAR_DMAOR_DME);