From f73bb9b35596e045feacdf4d2fd32cfb087e2411 Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Sun, 3 Mar 2013 20:51:28 +0000 Subject: [PATCH] dmaengine: dw_dma: fix endianess for DT xlate function As reported by Wu Fengguang's build robot tracking sparse warnings, the dma_spec arguments in the dw_dma_xlate are already byte swapped on little-endian platforms and must not get swapped again. This code is currently not used anywhere, but will be used in Linux 3.10 when the ARM SPEAr platform starts using the generic DMA DT binding. Signed-off-by: Arnd Bergmann Reported-by: Fengguang Wu Acked-by: Viresh Kumar Signed-off-by: Vinod Koul --- drivers/dma/dw_dmac.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c index c599558faeda..eb81ec9d5b91 100644 --- a/drivers/dma/dw_dmac.c +++ b/drivers/dma/dw_dmac.c @@ -1276,9 +1276,9 @@ static struct dma_chan *dw_dma_xlate(struct of_phandle_args *dma_spec, if (dma_spec->args_count != 3) return NULL; - fargs.req = be32_to_cpup(dma_spec->args+0); - fargs.src = be32_to_cpup(dma_spec->args+1); - fargs.dst = be32_to_cpup(dma_spec->args+2); + fargs.req = dma_spec->args[0]; + fargs.src = dma_spec->args[1]; + fargs.dst = dma_spec->args[2]; if (WARN_ON(fargs.req >= DW_DMA_MAX_NR_REQUESTS || fargs.src >= dw->nr_masters || -- 2.20.1