CC: [email protected]
BCC: [email protected]
CC: [email protected]
TO: Michael Walle <[email protected]>
CC: Pratyush Yadav <[email protected]>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git 
spi-nor/next
head:   cdbc44dbb2c73d8bafa1a8ae0d780608be5dbd40
commit: 0257be79fc4a16a3252ce80aa13b3640f728c425 [16/18] mtd: spi-nor: expose 
internal parameters via debugfs
:::::: branch date: 32 hours ago
:::::: commit date: 32 hours ago
config: x86_64-randconfig-m001-20220509 
(https://download.01.org/0day-ci/archive/20220511/[email protected]/config)
compiler: gcc-11 (Debian 11.2.0-20) 11.2.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <[email protected]>
Reported-by: Dan Carpenter <[email protected]>

smatch warnings:
drivers/mtd/spi-nor/debugfs.c:84 spi_nor_params_show() warn: '%ph' cannot be 
followed by 'n'

vim +84 drivers/mtd/spi-nor/debugfs.c

0257be79fc4a16 Michael Walle 2022-04-29   72  
0257be79fc4a16 Michael Walle 2022-04-29   73  static int 
spi_nor_params_show(struct seq_file *s, void *data)
0257be79fc4a16 Michael Walle 2022-04-29   74  {
0257be79fc4a16 Michael Walle 2022-04-29   75    struct spi_nor *nor = 
s->private;
0257be79fc4a16 Michael Walle 2022-04-29   76    struct spi_nor_flash_parameter 
*params = nor->params;
0257be79fc4a16 Michael Walle 2022-04-29   77    struct spi_nor_erase_map 
*erase_map = &params->erase_map;
0257be79fc4a16 Michael Walle 2022-04-29   78    struct spi_nor_erase_region 
*region;
0257be79fc4a16 Michael Walle 2022-04-29   79    const struct flash_info *info = 
nor->info;
0257be79fc4a16 Michael Walle 2022-04-29   80    char buf[16], *str;
0257be79fc4a16 Michael Walle 2022-04-29   81    int i;
0257be79fc4a16 Michael Walle 2022-04-29   82  
0257be79fc4a16 Michael Walle 2022-04-29   83    seq_printf(s, "name\t\t%s\n", 
info->name);
0257be79fc4a16 Michael Walle 2022-04-29  @84    seq_printf(s, "id\t\t%*phn\n", 
info->id_len, info->id);
0257be79fc4a16 Michael Walle 2022-04-29   85    string_get_size(params->size, 
1, STRING_UNITS_2, buf, sizeof(buf));
0257be79fc4a16 Michael Walle 2022-04-29   86    seq_printf(s, "size\t\t%s\n", 
buf);
0257be79fc4a16 Michael Walle 2022-04-29   87    seq_printf(s, "write 
size\t%u\n", params->writesize);
0257be79fc4a16 Michael Walle 2022-04-29   88    seq_printf(s, "page 
size\t%u\n", params->page_size);
0257be79fc4a16 Michael Walle 2022-04-29   89    seq_printf(s, "address 
width\t%u\n", nor->addr_width);
0257be79fc4a16 Michael Walle 2022-04-29   90  
0257be79fc4a16 Michael Walle 2022-04-29   91    seq_puts(s, "flags\t\t");
0257be79fc4a16 Michael Walle 2022-04-29   92    spi_nor_print_flags(s, 
nor->flags, snor_f_names, sizeof(snor_f_names));
0257be79fc4a16 Michael Walle 2022-04-29   93    seq_puts(s, "\n");
0257be79fc4a16 Michael Walle 2022-04-29   94  
0257be79fc4a16 Michael Walle 2022-04-29   95    seq_puts(s, "\nopcodes\n");
0257be79fc4a16 Michael Walle 2022-04-29   96    seq_printf(s, " 
read\t\t0x%02x\n", nor->read_opcode);
0257be79fc4a16 Michael Walle 2022-04-29   97    seq_printf(s, "  dummy 
cycles\t%u\n", nor->read_dummy);
0257be79fc4a16 Michael Walle 2022-04-29   98    seq_printf(s, " 
erase\t\t0x%02x\n", nor->erase_opcode);
0257be79fc4a16 Michael Walle 2022-04-29   99    seq_printf(s, " 
program\t0x%02x\n", nor->program_opcode);
0257be79fc4a16 Michael Walle 2022-04-29  100  
0257be79fc4a16 Michael Walle 2022-04-29  101    switch (nor->cmd_ext_type) {
0257be79fc4a16 Michael Walle 2022-04-29  102    case SPI_NOR_EXT_NONE:
0257be79fc4a16 Michael Walle 2022-04-29  103            str = "none";
0257be79fc4a16 Michael Walle 2022-04-29  104            break;
0257be79fc4a16 Michael Walle 2022-04-29  105    case SPI_NOR_EXT_REPEAT:
0257be79fc4a16 Michael Walle 2022-04-29  106            str = "repeat";
0257be79fc4a16 Michael Walle 2022-04-29  107            break;
0257be79fc4a16 Michael Walle 2022-04-29  108    case SPI_NOR_EXT_INVERT:
0257be79fc4a16 Michael Walle 2022-04-29  109            str = "invert";
0257be79fc4a16 Michael Walle 2022-04-29  110            break;
0257be79fc4a16 Michael Walle 2022-04-29  111    default:
0257be79fc4a16 Michael Walle 2022-04-29  112            str = "<unknown>";
0257be79fc4a16 Michael Walle 2022-04-29  113            break;
0257be79fc4a16 Michael Walle 2022-04-29  114    }
0257be79fc4a16 Michael Walle 2022-04-29  115    seq_printf(s, " 8D 
extension\t%s\n", str);
0257be79fc4a16 Michael Walle 2022-04-29  116  
0257be79fc4a16 Michael Walle 2022-04-29  117    seq_puts(s, "\nprotocols\n");
0257be79fc4a16 Michael Walle 2022-04-29  118    seq_printf(s, " read\t\t%s\n",
0257be79fc4a16 Michael Walle 2022-04-29  119               
spi_nor_protocol_name(nor->read_proto));
0257be79fc4a16 Michael Walle 2022-04-29  120    seq_printf(s, " write\t\t%s\n",
0257be79fc4a16 Michael Walle 2022-04-29  121               
spi_nor_protocol_name(nor->write_proto));
0257be79fc4a16 Michael Walle 2022-04-29  122    seq_printf(s, " register\t%s\n",
0257be79fc4a16 Michael Walle 2022-04-29  123               
spi_nor_protocol_name(nor->reg_proto));
0257be79fc4a16 Michael Walle 2022-04-29  124  
0257be79fc4a16 Michael Walle 2022-04-29  125    seq_puts(s, "\nerase 
commands\n");
0257be79fc4a16 Michael Walle 2022-04-29  126    for (i = 0; i < 
SNOR_ERASE_TYPE_MAX; i++) {
0257be79fc4a16 Michael Walle 2022-04-29  127            struct 
spi_nor_erase_type *et = &erase_map->erase_type[i];
0257be79fc4a16 Michael Walle 2022-04-29  128  
0257be79fc4a16 Michael Walle 2022-04-29  129            if (et->size) {
0257be79fc4a16 Michael Walle 2022-04-29  130                    
string_get_size(et->size, 1, STRING_UNITS_2, buf,
0257be79fc4a16 Michael Walle 2022-04-29  131                                    
sizeof(buf));
0257be79fc4a16 Michael Walle 2022-04-29  132                    seq_printf(s, " 
%02x (%s) [%d]\n", et->opcode, buf, i);
0257be79fc4a16 Michael Walle 2022-04-29  133            }
0257be79fc4a16 Michael Walle 2022-04-29  134    }
0257be79fc4a16 Michael Walle 2022-04-29  135  
0257be79fc4a16 Michael Walle 2022-04-29  136    if (!(nor->flags & 
SNOR_F_NO_OP_CHIP_ERASE)) {
0257be79fc4a16 Michael Walle 2022-04-29  137            
string_get_size(params->size, 1, STRING_UNITS_2, buf, sizeof(buf));
0257be79fc4a16 Michael Walle 2022-04-29  138            seq_printf(s, " %02x 
(%s)\n", SPINOR_OP_CHIP_ERASE, buf);
0257be79fc4a16 Michael Walle 2022-04-29  139    }
0257be79fc4a16 Michael Walle 2022-04-29  140  
0257be79fc4a16 Michael Walle 2022-04-29  141    seq_puts(s, "\nsector map\n");
0257be79fc4a16 Michael Walle 2022-04-29  142    seq_puts(s, " region (in hex)   
| erase mask | flags\n");
0257be79fc4a16 Michael Walle 2022-04-29  143    seq_puts(s, " 
------------------+------------+----------\n");
0257be79fc4a16 Michael Walle 2022-04-29  144    for (region = 
erase_map->regions;
0257be79fc4a16 Michael Walle 2022-04-29  145         region;
0257be79fc4a16 Michael Walle 2022-04-29  146         region = 
spi_nor_region_next(region)) {
0257be79fc4a16 Michael Walle 2022-04-29  147            u64 start = 
region->offset & ~SNOR_ERASE_FLAGS_MASK;
0257be79fc4a16 Michael Walle 2022-04-29  148            u64 flags = 
region->offset & SNOR_ERASE_FLAGS_MASK;
0257be79fc4a16 Michael Walle 2022-04-29  149            u64 end = start + 
region->size - 1;
0257be79fc4a16 Michael Walle 2022-04-29  150  
0257be79fc4a16 Michael Walle 2022-04-29  151            seq_printf(s, " 
%08llx-%08llx |     [%c%c%c%c] | %s\n",
0257be79fc4a16 Michael Walle 2022-04-29  152                       start, end,
0257be79fc4a16 Michael Walle 2022-04-29  153                       flags & 
BIT(0) ? '0' : ' ',
0257be79fc4a16 Michael Walle 2022-04-29  154                       flags & 
BIT(1) ? '1' : ' ',
0257be79fc4a16 Michael Walle 2022-04-29  155                       flags & 
BIT(2) ? '2' : ' ',
0257be79fc4a16 Michael Walle 2022-04-29  156                       flags & 
BIT(3) ? '3' : ' ',
0257be79fc4a16 Michael Walle 2022-04-29  157                       flags & 
SNOR_OVERLAID_REGION ? "overlaid" : "");
0257be79fc4a16 Michael Walle 2022-04-29  158    }
0257be79fc4a16 Michael Walle 2022-04-29  159  
0257be79fc4a16 Michael Walle 2022-04-29  160    return 0;
0257be79fc4a16 Michael Walle 2022-04-29  161  }
0257be79fc4a16 Michael Walle 2022-04-29  162  
DEFINE_SHOW_ATTRIBUTE(spi_nor_params);
0257be79fc4a16 Michael Walle 2022-04-29  163  

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