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SubjectRe: [PATCH v9 2/8] mtd: rawnand: rockchip: NFC drivers for RK3308, RK2928 and others
Hi Yifeng,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on rockchip/for-next]
[also build test WARNING on robh/for-next linus/master v5.9-rc7 next-20200929]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in]

base: for-next
config: arm-allmodconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
wget -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git remote add linux-review
git fetch --no-tags linux-review Yifeng-Zhao/Add-Rockchip-NFC-drivers-for-RK3308-and-others/20200929-171735
git checkout 1c9d56b98766d73850def484b00e25b6270429c0
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm

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

All warnings (new ones prefixed by >>):

drivers/mtd/nand/raw/rockchip-nand-controller.c:378:25: warning: 'struct nand_data_interface' declared inside parameter list will not be visible outside of this definition or declaration
378 | const struct nand_data_interface *conf)
| ^~~~~~~~~~~~~~~~~~~
drivers/mtd/nand/raw/rockchip-nand-controller.c: In function 'rk_nfc_setup_data_interface':
drivers/mtd/nand/raw/rockchip-nand-controller.c:388:33: error: passing argument 1 of 'nand_get_sdr_timings' from incompatible pointer type [-Werror=incompatible-pointer-types]
388 | timings = nand_get_sdr_timings(conf);
| ^~~~
| |
| const struct nand_data_interface *
In file included from drivers/mtd/nand/raw/rockchip-nand-controller.c:16:
include/linux/mtd/rawnand.h:524:58: note: expected 'const struct nand_interface_config *' but argument is of type 'const struct nand_data_interface *'
524 | nand_get_sdr_timings(const struct nand_interface_config *conf)
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
drivers/mtd/nand/raw/rockchip-nand-controller.c: In function 'rk_nfc_attach_chip':
drivers/mtd/nand/raw/rockchip-nand-controller.c:1008:15: error: implicit declaration of function 'kzalloc'; did you mean 'vzalloc'? [-Werror=implicit-function-declaration]
1008 | temp_buf = kzalloc(len, GFP_KERNEL | GFP_DMA);
| ^~~~~~~
| vzalloc
drivers/mtd/nand/raw/rockchip-nand-controller.c:1008:13: warning: assignment to 'u8 *' {aka 'unsigned char *'} from 'int' makes pointer from integer without a cast [-Wint-conversion]
1008 | temp_buf = kzalloc(len, GFP_KERNEL | GFP_DMA);
| ^
drivers/mtd/nand/raw/rockchip-nand-controller.c:1011:4: error: implicit declaration of function 'kfree'; did you mean 'vfree'? [-Werror=implicit-function-declaration]
1011 | kfree(nfc->buffer);
| ^~~~~
| vfree
drivers/mtd/nand/raw/rockchip-nand-controller.c:1016:13: warning: assignment to 'u8 *' {aka 'unsigned char *'} from 'int' makes pointer from integer without a cast [-Wint-conversion]
1016 | temp_buf = kzalloc(oob_len, GFP_KERNEL | GFP_DMA);
| ^
drivers/mtd/nand/raw/rockchip-nand-controller.c:1025:14: warning: assignment to 'u8 *' {aka 'unsigned char *'} from 'int' makes pointer from integer without a cast [-Wint-conversion]
1025 | nfc->buffer = kzalloc(len, GFP_KERNEL | GFP_DMA);
| ^
drivers/mtd/nand/raw/rockchip-nand-controller.c:1030:15: warning: assignment to 'u32 *' {aka 'unsigned int *'} from 'int' makes pointer from integer without a cast [-Wint-conversion]
1030 | nfc->oob_buf = kzalloc(oob_len, GFP_KERNEL | GFP_DMA);
| ^
drivers/mtd/nand/raw/rockchip-nand-controller.c: At top level:
drivers/mtd/nand/raw/rockchip-nand-controller.c:1057:3: error: 'const struct nand_controller_ops' has no member named 'setup_data_interface'; did you mean 'setup_interface'?
1057 | .setup_data_interface = rk_nfc_setup_data_interface,
| ^~~~~~~~~~~~~~~~~~~~
| setup_interface
drivers/mtd/nand/raw/rockchip-nand-controller.c:1057:26: error: positional initialization of field in 'struct' declared with 'designated_init' attribute [-Werror=designated-init]
1057 | .setup_data_interface = rk_nfc_setup_data_interface,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/mtd/nand/raw/rockchip-nand-controller.c:1057:26: note: (near initialization for 'rk_nfc_controller_ops')
>> drivers/mtd/nand/raw/rockchip-nand-controller.c:1057:26: warning: excess elements in struct initializer
drivers/mtd/nand/raw/rockchip-nand-controller.c:1057:26: note: (near initialization for 'rk_nfc_controller_ops')
cc1: some warnings being treated as errors

vim +1057 drivers/mtd/nand/raw/rockchip-nand-controller.c

1054 static const struct nand_controller_ops rk_nfc_controller_ops = {
1055 .attach_chip = rk_nfc_attach_chip,
1056 .exec_op = rk_nfc_exec_op,
> 1057 .setup_data_interface = rk_nfc_setup_data_interface,
1058 };

0-DAY CI Kernel Test Service, Intel Corporation
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