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dmaengine: zynqmp: avoid cast warning
The newly added zynqmp_dma driver produces a warning on 32-bit architectures when dma_addr_t is 64-bit wide: drivers/dma/xilinx/zynqmp_dma.c: In function 'zynqmp_dma_config_sg_ll_desc': drivers/dma/xilinx/zynqmp_dma.c:321:9: error: cast from pointer to integer of different size [-Werror=pointer-to-int-cast] ((dma_addr_t)sdesc - (dma_addr_t)chan->desc_pool_v); ^ drivers/dma/xilinx/zynqmp_dma.c:321:29: error: cast from pointer to integer of different size [-Werror=pointer-to-int-cast] ((dma_addr_t)sdesc - (dma_addr_t)chan->desc_pool_v); This changes the cast to the more appropriate uintptr_t. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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1 changed files with 1 additions and 1 deletions
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@ -318,7 +318,7 @@ static void zynqmp_dma_config_sg_ll_desc(struct zynqmp_dma_chan *chan,
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if (prev) {
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dma_addr_t addr = chan->desc_pool_p +
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((dma_addr_t)sdesc - (dma_addr_t)chan->desc_pool_v);
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((uintptr_t)sdesc - (uintptr_t)chan->desc_pool_v);
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ddesc = prev + 1;
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prev->nxtdscraddr = addr;
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ddesc->nxtdscraddr = addr + ZYNQMP_DMA_DESC_SIZE(chan);
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