[PATCH v2 3/3] spi: airoha: add SPI-NAND Flash controller driver
kernel test robot
lkp at intel.com
Thu Apr 18 04:57:35 PDT 2024
Hi Lorenzo,
kernel test robot noticed the following build errors:
[auto build test ERROR on next-20240416]
[cannot apply to broonie-spi/for-next robh/for-next arm/for-next arm/fixes arm64/for-next/core kvmarm/next rockchip/for-next shawnguo/for-next soc/for-next linus/master v6.9-rc4 v6.9-rc3 v6.9-rc2 v6.9-rc4]
[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
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Lorenzo-Bianconi/dt-bindings-spi-airoha-Add-YAML-schema-for-SNFI-controller/20240417-144847
base: next-20240416
patch link: https://lore.kernel.org/r/25dd4334e3b37eaa628c20265841f251968c2b75.1713335916.git.lorenzo%40kernel.org
patch subject: [PATCH v2 3/3] spi: airoha: add SPI-NAND Flash controller driver
config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20240418/202404181933.AfPnhmy7-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240418/202404181933.AfPnhmy7-lkp@intel.com/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 at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202404181933.AfPnhmy7-lkp@intel.com/
All errors (new ones prefixed by >>):
drivers/spi/spi-airoha-snfi.c: In function 'airoha_snand_set_fifo_op':
>> drivers/spi/spi-airoha-snfi.c:233:28: error: implicit declaration of function 'FIELD_PREP' [-Werror=implicit-function-declaration]
233 | FIELD_PREP(SPI_CTRL_OPFIFO_LEN, op_len) |
| ^~~~~~~~~~
drivers/spi/spi-airoha-snfi.c: In function 'airoha_snand_read_data_from_fifo':
>> drivers/spi/spi-airoha-snfi.c:320:26: error: implicit declaration of function 'FIELD_GET' [-Werror=implicit-function-declaration]
320 | ptr[i] = FIELD_GET(SPI_CTRL_DFIFO_RDATA, val);
| ^~~~~~~~~
cc1: some warnings being treated as errors
vim +/FIELD_PREP +233 drivers/spi/spi-airoha-snfi.c
225
226 static int airoha_snand_set_fifo_op(struct airoha_snand_ctrl *as_ctrl,
227 u8 op_cmd, int op_len)
228 {
229 int err;
230 u32 val;
231
232 err = regmap_write(as_ctrl->regmap_ctrl, REG_SPI_CTRL_OPFIFO_WDATA,
> 233 FIELD_PREP(SPI_CTRL_OPFIFO_LEN, op_len) |
234 FIELD_PREP(SPI_CTRL_OPFIFO_OP, op_cmd));
235 if (err)
236 return err;
237
238 err = regmap_read_poll_timeout(as_ctrl->regmap_ctrl,
239 REG_SPI_CTRL_OPFIFO_FULL,
240 val, !(val & SPI_CTRL_OPFIFO_FULL),
241 0, 250 * USEC_PER_MSEC);
242 if (err)
243 return err;
244
245 err = regmap_write(as_ctrl->regmap_ctrl, REG_SPI_CTRL_OPFIFO_WR,
246 SPI_CTRL_OPFIFO_WR);
247 if (err)
248 return err;
249
250 return regmap_read_poll_timeout(as_ctrl->regmap_ctrl,
251 REG_SPI_CTRL_OPFIFO_EMPTY,
252 val, (val & SPI_CTRL_OPFIFO_EMPTY),
253 0, 250 * USEC_PER_MSEC);
254 }
255
256 static int airoha_snand_set_cs(struct airoha_snand_ctrl *as_ctrl, u8 cs)
257 {
258 return airoha_snand_set_fifo_op(as_ctrl, cs, sizeof(cs));
259 }
260
261 static int airoha_snand_write_data_to_fifo(struct airoha_snand_ctrl *as_ctrl,
262 const u8 *data, int len)
263 {
264 int i;
265
266 for (i = 0; i < len; i++) {
267 int err;
268 u32 val;
269
270 /* 1. Wait until dfifo is not full */
271 err = regmap_read_poll_timeout(as_ctrl->regmap_ctrl,
272 REG_SPI_CTRL_DFIFO_FULL, val,
273 !(val & SPI_CTRL_DFIFO_FULL),
274 0, 250 * USEC_PER_MSEC);
275 if (err)
276 return err;
277
278 /* 2. Write data to register DFIFO_WDATA */
279 err = regmap_write(as_ctrl->regmap_ctrl,
280 REG_SPI_CTRL_DFIFO_WDATA,
281 FIELD_PREP(SPI_CTRL_DFIFO_WDATA, data[i]));
282 if (err)
283 return err;
284
285 /* 3. Wait until dfifo is not full */
286 err = regmap_read_poll_timeout(as_ctrl->regmap_ctrl,
287 REG_SPI_CTRL_DFIFO_FULL, val,
288 !(val & SPI_CTRL_DFIFO_FULL),
289 0, 250 * USEC_PER_MSEC);
290 if (err)
291 return err;
292 }
293
294 return 0;
295 }
296
297 static int airoha_snand_read_data_from_fifo(struct airoha_snand_ctrl *as_ctrl,
298 u8 *ptr, int len)
299 {
300 int i;
301
302 for (i = 0; i < len; i++) {
303 int err;
304 u32 val;
305
306 /* 1. wait until dfifo is not empty */
307 err = regmap_read_poll_timeout(as_ctrl->regmap_ctrl,
308 REG_SPI_CTRL_DFIFO_EMPTY, val,
309 !(val & SPI_CTRL_DFIFO_EMPTY),
310 0, 250 * USEC_PER_MSEC);
311 if (err)
312 return err;
313
314 /* 2. read from dfifo to register DFIFO_RDATA */
315 err = regmap_read(as_ctrl->regmap_ctrl,
316 REG_SPI_CTRL_DFIFO_RDATA, &val);
317 if (err)
318 return err;
319
> 320 ptr[i] = FIELD_GET(SPI_CTRL_DFIFO_RDATA, val);
321 /* 3. enable register DFIFO_RD to read next byte */
322 err = regmap_write(as_ctrl->regmap_ctrl,
323 REG_SPI_CTRL_DFIFO_RD, SPI_CTRL_DFIFO_RD);
324 if (err)
325 return err;
326 }
327
328 return 0;
329 }
330
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