Messages in this thread Patch in this message | | | From | Masahiro Yamada <> | Subject | [PATCH] mtd: nand: cafe: clean up DMA address setup | Date | Tue, 5 Dec 2017 17:49:56 +0900 |
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Use macros from <linux/kernel.h> to make the code readable. The compiler warning will be kept suppressed.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> ---
drivers/mtd/nand/cafe_nand.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-)
diff --git a/drivers/mtd/nand/cafe_nand.c b/drivers/mtd/nand/cafe_nand.c index add4613..2af5e35 100644 --- a/drivers/mtd/nand/cafe_nand.c +++ b/drivers/mtd/nand/cafe_nand.c @@ -737,12 +737,8 @@ static int cafe_nand_probe(struct pci_dev *pdev, } /* Set up DMA address */ - cafe_writel(cafe, cafe->dmaaddr & 0xffffffff, NAND_DMA_ADDR0); - if (sizeof(cafe->dmaaddr) > 4) - /* Shift in two parts to shut the compiler up */ - cafe_writel(cafe, (cafe->dmaaddr >> 16) >> 16, NAND_DMA_ADDR1); - else - cafe_writel(cafe, 0, NAND_DMA_ADDR1); + cafe_writel(cafe, lower_32_bits(cafe->dmaaddr), NAND_DMA_ADDR0); + cafe_writel(cafe, upper_32_bits(cafe->dmaaddr), NAND_DMA_ADDR1); cafe_dev_dbg(&cafe->pdev->dev, "Set DMA address to %x (virt %p)\n", cafe_readl(cafe, NAND_DMA_ADDR0), cafe->dmabuf); -- 2.7.4
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