drivers/mtd/nand/raw/omap_elm.c:180:37: sparse: sparse: incorrect type in assignment (different base types)
From: kernel test robot
Date: Wed Jun 21 2023 - 10:23:28 EST
Hi Roger,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: e660abd551f1172e428b4e4003de887176a8a1fd
commit: be34f45f0d4aa91c6b83d140f9ace1ca40a5f9dc memory: omap-gpmc: Make OMAP_GPMC config visible and selectable
date: 1 year, 2 months ago
config: arm64-randconfig-s031-20230621 (https://download.01.org/0day-ci/archive/20230621/202306212211.WDXokuWh-lkp@xxxxxxxxx/config)
compiler: aarch64-linux-gcc (GCC) 12.3.0
reproduce: (https://download.01.org/0day-ci/archive/20230621/202306212211.WDXokuWh-lkp@xxxxxxxxx/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202306212211.WDXokuWh-lkp@xxxxxxxxx/
sparse warnings: (new ones prefixed by >>)
>> drivers/mtd/nand/raw/omap_elm.c:180:37: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] val @@ got restricted __be32 [usertype] @@
drivers/mtd/nand/raw/omap_elm.c:180:37: sparse: expected unsigned int [usertype] val
drivers/mtd/nand/raw/omap_elm.c:180:37: sparse: got restricted __be32 [usertype]
drivers/mtd/nand/raw/omap_elm.c:185:37: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] val @@ got restricted __be32 [usertype] @@
drivers/mtd/nand/raw/omap_elm.c:185:37: sparse: expected unsigned int [usertype] val
drivers/mtd/nand/raw/omap_elm.c:185:37: sparse: got restricted __be32 [usertype]
drivers/mtd/nand/raw/omap_elm.c:190:37: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] val @@ got restricted __be32 [usertype] @@
drivers/mtd/nand/raw/omap_elm.c:190:37: sparse: expected unsigned int [usertype] val
drivers/mtd/nand/raw/omap_elm.c:190:37: sparse: got restricted __be32 [usertype]
>> drivers/mtd/nand/raw/omap_elm.c:200:40: sparse: sparse: restricted __be32 degrades to integer
drivers/mtd/nand/raw/omap_elm.c:206:39: sparse: sparse: restricted __be32 degrades to integer
>> drivers/mtd/nand/raw/omap_elm.c:210:37: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [assigned] [usertype] val @@ got restricted __be32 [usertype] @@
drivers/mtd/nand/raw/omap_elm.c:210:37: sparse: expected unsigned int [assigned] [usertype] val
drivers/mtd/nand/raw/omap_elm.c:210:37: sparse: got restricted __be32 [usertype]
drivers/mtd/nand/raw/omap_elm.c:213:37: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [assigned] [usertype] val @@ got restricted __be32 [usertype] @@
drivers/mtd/nand/raw/omap_elm.c:213:37: sparse: expected unsigned int [assigned] [usertype] val
drivers/mtd/nand/raw/omap_elm.c:213:37: sparse: got restricted __be32 [usertype]
drivers/mtd/nand/raw/omap_elm.c:216:37: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [assigned] [usertype] val @@ got restricted __be32 [usertype] @@
drivers/mtd/nand/raw/omap_elm.c:216:37: sparse: expected unsigned int [assigned] [usertype] val
drivers/mtd/nand/raw/omap_elm.c:216:37: sparse: got restricted __be32 [usertype]
drivers/mtd/nand/raw/omap_elm.c:219:37: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [assigned] [usertype] val @@ got restricted __be32 [usertype] @@
drivers/mtd/nand/raw/omap_elm.c:219:37: sparse: expected unsigned int [assigned] [usertype] val
drivers/mtd/nand/raw/omap_elm.c:219:37: sparse: got restricted __be32 [usertype]
drivers/mtd/nand/raw/omap_elm.c:222:37: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [assigned] [usertype] val @@ got restricted __be32 [usertype] @@
drivers/mtd/nand/raw/omap_elm.c:222:37: sparse: expected unsigned int [assigned] [usertype] val
drivers/mtd/nand/raw/omap_elm.c:222:37: sparse: got restricted __be32 [usertype]
drivers/mtd/nand/raw/omap_elm.c:225:37: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [assigned] [usertype] val @@ got restricted __be32 [usertype] @@
drivers/mtd/nand/raw/omap_elm.c:225:37: sparse: expected unsigned int [assigned] [usertype] val
drivers/mtd/nand/raw/omap_elm.c:225:37: sparse: got restricted __be32 [usertype]
drivers/mtd/nand/raw/omap_elm.c:228:39: sparse: sparse: restricted __be32 degrades to integer
vim +180 drivers/mtd/nand/raw/omap_elm.c
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 155
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 156 /**
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 157 * elm_load_syndrome - Load ELM syndrome reg
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 158 * @info: elm info
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 159 * @err_vec: elm error vectors
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 160 * @ecc: buffer with calculated ecc
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 161 *
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 162 * Load syndrome fragment registers with calculated ecc in reverse order.
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 163 */
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 164 static void elm_load_syndrome(struct elm_info *info,
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 165 struct elm_errorvec *err_vec, u8 *ecc)
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 166 {
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 167 int i, offset;
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 168 u32 val;
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 169
79f013518d435e drivers/mtd/devices/elm.c Pekon Gupta 2014-03-20 170 for (i = 0; i < info->ecc_steps; i++) {
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 171
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 172 /* Check error reported */
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 173 if (err_vec[i].error_reported) {
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 174 elm_configure_page_mode(info, i, true);
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 175 offset = ELM_SYNDROME_FRAGMENT_0 +
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 176 SYNDROME_FRAGMENT_REG_SIZE * i;
ea0760244d2356 drivers/mtd/devices/elm.c Pekon Gupta 2014-03-20 177 switch (info->bch_type) {
ea0760244d2356 drivers/mtd/devices/elm.c Pekon Gupta 2014-03-20 178 case BCH8_ECC:
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 179 /* syndrome fragment 0 = ecc[9-12B] */
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 @180 val = cpu_to_be32(*(u32 *) &ecc[9]);
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 181 elm_write_reg(info, offset, val);
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 182
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 183 /* syndrome fragment 1 = ecc[5-8B] */
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 184 offset += 4;
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 185 val = cpu_to_be32(*(u32 *) &ecc[5]);
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 186 elm_write_reg(info, offset, val);
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 187
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 188 /* syndrome fragment 2 = ecc[1-4B] */
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 189 offset += 4;
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 190 val = cpu_to_be32(*(u32 *) &ecc[1]);
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 191 elm_write_reg(info, offset, val);
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 192
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 193 /* syndrome fragment 3 = ecc[0B] */
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 194 offset += 4;
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 195 val = ecc[0];
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 196 elm_write_reg(info, offset, val);
ea0760244d2356 drivers/mtd/devices/elm.c Pekon Gupta 2014-03-20 197 break;
ea0760244d2356 drivers/mtd/devices/elm.c Pekon Gupta 2014-03-20 198 case BCH4_ECC:
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 199 /* syndrome fragment 0 = ecc[20-52b] bits */
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 @200 val = (cpu_to_be32(*(u32 *) &ecc[3]) >> 4) |
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 201 ((ecc[2] & 0xf) << 28);
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 202 elm_write_reg(info, offset, val);
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 203
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 204 /* syndrome fragment 1 = ecc[0-20b] bits */
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 205 offset += 4;
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 206 val = cpu_to_be32(*(u32 *) &ecc[0]) >> 12;
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 207 elm_write_reg(info, offset, val);
ea0760244d2356 drivers/mtd/devices/elm.c Pekon Gupta 2014-03-20 208 break;
2be589e4b28457 drivers/mtd/devices/elm.c pekon gupta 2014-05-19 209 case BCH16_ECC:
2be589e4b28457 drivers/mtd/devices/elm.c pekon gupta 2014-05-19 @210 val = cpu_to_be32(*(u32 *) &ecc[22]);
2be589e4b28457 drivers/mtd/devices/elm.c pekon gupta 2014-05-19 211 elm_write_reg(info, offset, val);
2be589e4b28457 drivers/mtd/devices/elm.c pekon gupta 2014-05-19 212 offset += 4;
2be589e4b28457 drivers/mtd/devices/elm.c pekon gupta 2014-05-19 213 val = cpu_to_be32(*(u32 *) &ecc[18]);
2be589e4b28457 drivers/mtd/devices/elm.c pekon gupta 2014-05-19 214 elm_write_reg(info, offset, val);
2be589e4b28457 drivers/mtd/devices/elm.c pekon gupta 2014-05-19 215 offset += 4;
2be589e4b28457 drivers/mtd/devices/elm.c pekon gupta 2014-05-19 216 val = cpu_to_be32(*(u32 *) &ecc[14]);
2be589e4b28457 drivers/mtd/devices/elm.c pekon gupta 2014-05-19 217 elm_write_reg(info, offset, val);
2be589e4b28457 drivers/mtd/devices/elm.c pekon gupta 2014-05-19 218 offset += 4;
2be589e4b28457 drivers/mtd/devices/elm.c pekon gupta 2014-05-19 219 val = cpu_to_be32(*(u32 *) &ecc[10]);
2be589e4b28457 drivers/mtd/devices/elm.c pekon gupta 2014-05-19 220 elm_write_reg(info, offset, val);
2be589e4b28457 drivers/mtd/devices/elm.c pekon gupta 2014-05-19 221 offset += 4;
2be589e4b28457 drivers/mtd/devices/elm.c pekon gupta 2014-05-19 222 val = cpu_to_be32(*(u32 *) &ecc[6]);
2be589e4b28457 drivers/mtd/devices/elm.c pekon gupta 2014-05-19 223 elm_write_reg(info, offset, val);
2be589e4b28457 drivers/mtd/devices/elm.c pekon gupta 2014-05-19 224 offset += 4;
2be589e4b28457 drivers/mtd/devices/elm.c pekon gupta 2014-05-19 225 val = cpu_to_be32(*(u32 *) &ecc[2]);
2be589e4b28457 drivers/mtd/devices/elm.c pekon gupta 2014-05-19 226 elm_write_reg(info, offset, val);
2be589e4b28457 drivers/mtd/devices/elm.c pekon gupta 2014-05-19 227 offset += 4;
2be589e4b28457 drivers/mtd/devices/elm.c pekon gupta 2014-05-19 228 val = cpu_to_be32(*(u32 *) &ecc[0]) >> 16;
2be589e4b28457 drivers/mtd/devices/elm.c pekon gupta 2014-05-19 229 elm_write_reg(info, offset, val);
2be589e4b28457 drivers/mtd/devices/elm.c pekon gupta 2014-05-19 230 break;
ea0760244d2356 drivers/mtd/devices/elm.c Pekon Gupta 2014-03-20 231 default:
ea0760244d2356 drivers/mtd/devices/elm.c Pekon Gupta 2014-03-20 232 pr_err("invalid config bch_type\n");
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 233 }
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 234 }
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 235
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 236 /* Update ecc pointer with ecc byte size */
ea0760244d2356 drivers/mtd/devices/elm.c Pekon Gupta 2014-03-20 237 ecc += info->ecc_syndrome_size;
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 238 }
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 239 }
bf22433575ef30 drivers/mtd/devices/elm.c Philip Avinash 2013-01-04 240
:::::: The code at line 180 was first introduced by commit
:::::: bf22433575ef30a4807f0620498017df0f27df67 mtd: devices: elm: Add support for ELM error correction
:::::: TO: Philip Avinash <avinashphilip@xxxxxx>
:::::: CC: Artem Bityutskiy <artem.bityutskiy@xxxxxxxxxxxxxxx>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki