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Date: Fri, 22 Sep 2017 12:46:46 +0900 From: Masahiro Yamada <yamada.masahiro@...ionext.com> To: linux-mtd@...ts.infradead.org Cc: Masahiro Yamada <yamada.masahiro@...ionext.com>, Cyrille Pitchen <cyrille.pitchen@...ev4u.fr>, linux-kernel@...r.kernel.org, Boris Brezillon <boris.brezillon@...e-electrons.com>, Marek Vasut <marek.vasut@...il.com>, Brian Norris <computersforpeace@...il.com>, Richard Weinberger <richard@....at>, David Woodhouse <dwmw2@...radead.org> Subject: [PATCH v2 09/12] mtd: nand: denali: use upper/lower_32_bits() macro for clean-up I used (uint64_t) cast to avoid "right shift count >= width of type" warning. <linux/kernel.h> provides nice helpers to cater to it. The code will be cleaner, and easier to understand. Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com> --- Changes in v2: - Newly added drivers/mtd/nand/denali.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/mtd/nand/denali.c b/drivers/mtd/nand/denali.c index 02ce310..e567ad9 100644 --- a/drivers/mtd/nand/denali.c +++ b/drivers/mtd/nand/denali.c @@ -469,10 +469,10 @@ static void denali_setup_dma64(struct denali_nand_info *denali, 0x01002000 | (64 << 16) | (write << 8) | page_count); /* 2. set memory low address */ - denali_host_write(denali, mode, dma_addr); + denali_host_write(denali, mode, lower_32_bits(dma_addr)); /* 3. set memory high address */ - denali_host_write(denali, mode, (uint64_t)dma_addr >> 32); + denali_host_write(denali, mode, upper_32_bits(dma_addr)); } static void denali_setup_dma32(struct denali_nand_info *denali, -- 2.7.4
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