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Commit 958ef111 authored by Masahiro Yamada's avatar Masahiro Yamada Committed by Boris Brezillon
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mtd: nand: cafe: clean up DMA address setup 



Use macros from <linux/kernel.h> to make the code readable.
The compiler warning will be kept suppressed.

Signed-off-by: default avatarMasahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: default avatarBoris Brezillon <boris.brezillon@free-electrons.com>
parent c0313b96

drivers/mtd/nand/cafe_nand.c

+2 −6
Original line number Diff line number Diff line
@@ -729,12 +729,8 @@ 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);