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SubjectRe: [PATCH v4 4/6] mtd: rawnand: add NVIDIA Tegra NAND Flash controller driver
Hi Stefan,

I love your patch! Perhaps something to improve:

[auto build test WARNING on mtd/nand/next]
[also build test WARNING on v4.17 next-20180608]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Stefan-Agner/mtd-rawnand-add-NVIDIA-Tegra-NAND-flash-support/20180612-045611
base: git://git.infradead.org/linux-mtd.git nand/next
reproduce:
# apt-get install sparse
make ARCH=x86_64 allmodconfig
make C=1 CF=-D__CHECK_ENDIAN__


sparse warnings: (new ones prefixed by >>)

drivers/mtd/nand/raw/tegra_nand.c:422:41: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:425:41: sparse: expression using sizeof(void)
>> drivers/mtd/nand/raw/tegra_nand.c:656:56: sparse: Using plain integer as NULL pointer
drivers/mtd/nand/raw/tegra_nand.c:667:56: sparse: Using plain integer as NULL pointer
drivers/mtd/nand/raw/tegra_nand.c:693:56: sparse: Using plain integer as NULL pointer
drivers/mtd/nand/raw/tegra_nand.c:759:48: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:759:48: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:762:24: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:762:24: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:792:56: sparse: Using plain integer as NULL pointer
drivers/mtd/nand/raw/tegra_nand.c:814:15: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:814:15: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:814:15: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:814:15: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:814:15: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:814:15: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:814:15: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:814:15: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:814:15: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:814:15: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:814:15: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:814:15: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:814:15: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:814:15: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:818:15: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:818:15: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:818:15: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:818:15: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:818:15: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:818:15: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:818:15: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:818:15: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:818:15: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:818:15: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:818:15: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:818:15: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:818:15: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:818:15: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:818:15: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:818:15: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:818:15: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:818:15: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:818:15: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:818:15: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:818:15: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:818:15: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:818:15: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:818:15: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:818:15: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:818:15: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:823:15: sparse: expression using sizeof(void)
drivers/mtd/nand/raw/tegra_nand.c:823:15: sparse: expression using sizeof(void)

vim +656 drivers/mtd/nand/raw/tegra_nand.c

651
652 static int tegra_nand_read_page_raw(struct mtd_info *mtd,
653 struct nand_chip *chip,
654 uint8_t *buf, int oob_required, int page)
655 {
> 656 void *oob_buf = oob_required ? chip->oob_poi : 0;
657
658 return tegra_nand_page_xfer(mtd, chip, buf, oob_buf,
659 mtd->oobsize, page, true);
660 }
661

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation

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