summaryrefslogtreecommitdiffstats
path: root/drivers
diff options
context:
space:
mode:
authorMasahiro Yamada <yamada.masahiro@socionext.com>2017-12-05 17:49:56 +0900
committerBoris Brezillon <boris.brezillon@free-electrons.com>2017-12-14 13:34:20 +0100
commit958ef111cca5e70994b806127ff15258d446ed25 (patch)
tree2b374e3fc0ca53744e962c8e0a31ee33b8a0660b /drivers
parentc0313b966a0942fba934d34c7a76f444641d0b6e (diff)
downloadlinux-stable-958ef111cca5e70994b806127ff15258d446ed25.tar.gz
linux-stable-958ef111cca5e70994b806127ff15258d446ed25.tar.bz2
linux-stable-958ef111cca5e70994b806127ff15258d446ed25.zip
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: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/mtd/nand/cafe_nand.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/drivers/mtd/nand/cafe_nand.c b/drivers/mtd/nand/cafe_nand.c
index a438b7114053..567ff972d5fc 100644
--- a/drivers/mtd/nand/cafe_nand.c
+++ b/drivers/mtd/nand/cafe_nand.c
@@ -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);