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SubjectRe: [PATCH v2 12/25] mtd: nand: use the mtd instance embedded in struct nand_chip
Hi Boris,

[auto build test ERROR on next-20151127]
[cannot apply to mtd/master v4.4-rc3 v4.4-rc2 v4.4-rc1 v4.4-rc3]

url: https://github.com/0day-ci/linux/commits/Boris-Brezillon/mtd-nand-refactor-the-NAND-subsystem-part-1/20151201-190822
config: arm-imx_v6_v7_defconfig (attached as .config)
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=arm

All errors (new ones prefixed by >>):

drivers/mtd/nand/gpmi-nand/gpmi-nand.c: In function 'set_geometry_by_ecc_info':
>> drivers/mtd/nand/gpmi-nand/gpmi-nand.c:142:39: error: 'mtd' undeclared (first use in this function)
struct nand_chip *chip = mtd_to_nand(mtd);
^
drivers/mtd/nand/gpmi-nand/gpmi-nand.c:142:39: note: each undeclared identifier is reported only once for each function it appears in
drivers/mtd/nand/gpmi-nand/gpmi-nand.c: In function 'gpmi_init_last':
drivers/mtd/nand/gpmi-nand/gpmi-nand.c:1840:39: error: 'mtd' undeclared (first use in this function)
struct nand_chip *chip = mtd_to_nand(mtd);
^
drivers/mtd/nand/gpmi-nand/gpmi-nand.c:1841:19: warning: unused variable 'mtd' [-Wunused-variable]
struct mtd_info *mtd = nand_to_mtd(chip);
^

vim +/mtd +142 drivers/mtd/nand/gpmi-nand/gpmi-nand.c

2febcdf84 Huang Shijie 2013-05-17 136 *
2febcdf84 Huang Shijie 2013-05-17 137 * We may have available oob space in this case.
2febcdf84 Huang Shijie 2013-05-17 138 */
2febcdf84 Huang Shijie 2013-05-17 139 static bool set_geometry_by_ecc_info(struct gpmi_nand_data *this)
2febcdf84 Huang Shijie 2013-05-17 140 {
2febcdf84 Huang Shijie 2013-05-17 141 struct bch_geometry *geo = &this->bch_geometry;
6bdedcfa5 Boris Brezillon 2015-12-01 @142 struct nand_chip *chip = mtd_to_nand(mtd);
4864cfd67 Boris Brezillon 2015-12-01 143 struct mtd_info *mtd = nand_to_mtd(chip);
2febcdf84 Huang Shijie 2013-05-17 144 struct nand_oobfree *of = gpmi_hw_ecclayout.oobfree;
2febcdf84 Huang Shijie 2013-05-17 145 unsigned int block_mark_bit_offset;

:::::: The code at line 142 was first introduced by commit
:::::: 6bdedcfa57b52f471682054a599855677b1b132c mtd: nand: make use of mtd_to_nand() in NAND drivers

:::::: TO: Boris Brezillon <boris.brezillon@free-electrons.com>
:::::: CC: 0day robot <fengguang.wu@intel.com>

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