drivers/mtd/nand/raw/xway_nand.c:227:30: error: 'mtd' undeclared

From: kernel test robot
Date: Sat Jul 04 2020 - 22:47:56 EST


Hi Miquel,

FYI, the error/warning still remains.

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 35e884f89df4c48566d745dc5a97a0d058d04263
commit: 9fdd78f7bcda3e6a9f53c355529b3bf037c0e24f mtd: rawnand: xway: Stop using nand_release()
date: 5 weeks ago
config: mips-xway_defconfig (attached as .config)
compiler: mips-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout 9fdd78f7bcda3e6a9f53c355529b3bf037c0e24f
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=mips

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

drivers/mtd/nand/raw/xway_nand.c: In function 'xway_nand_remove':
>> drivers/mtd/nand/raw/xway_nand.c:227:30: error: 'mtd' undeclared (first use in this function)
227 | ret = mtd_device_unregister(mtd);
| ^~~
drivers/mtd/nand/raw/xway_nand.c:227:30: note: each undeclared identifier is reported only once for each function it appears in

vim +/mtd +227 drivers/mtd/nand/raw/xway_nand.c

217
218 /*
219 * Remove a NAND device.
220 */
221 static int xway_nand_remove(struct platform_device *pdev)
222 {
223 struct xway_nand_data *data = platform_get_drvdata(pdev);
224 struct nand_chip *chip = &data->chip;
225 int ret;
226
> 227 ret = mtd_device_unregister(mtd);
228 WARN_ON(ret);
229 nand_cleanup(chip);
230
231 return 0;
232 }
233

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

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