tree: git://git.ragnatech.se/linux media-tree
head: 708d75fe1c7c6e9abc5381b6fcc32b49830383d0
commit: b03c2fb97adcc65d3c4098c4aa41fbaa6623ebf2 [32/140] media: add SECO cec driver
config: i386-randconfig-x006-201847 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
git checkout b03c2fb97adcc65d3c4098c4aa41fbaa6623ebf2
# save the attached .config to linux build tree
make ARCH=i386
Note: the ragnatech/media-tree HEAD 708d75fe1c7c6e9abc5381b6fcc32b49830383d0 builds fine.
It only hurts bisectibility.
All error/warnings (new ones prefixed by >>):
drivers/media/platform/seco-cec/seco-cec.c: In function 'secocec_tx_done':
>> drivers/media/platform/seco-cec/seco-cec.c:237:4: error: implicit declaration of function 'cec_transmit_attempt_done' [-Werror=implicit-function-declaration]
cec_transmit_attempt_done(adap, CEC_TX_STATUS_NACK);
^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/media/platform/seco-cec/seco-cec.c: In function 'secocec_rx_done':
>> drivers/media/platform/seco-cec/seco-cec.c:316:2: error: implicit declaration of function 'cec_received_msg'; did you mean 'free_reserved_page'? [-Werror=implicit-function-declaration]
cec_received_msg(cec->cec_adap, &msg);
^~~~~~~~~~~~~~~~
free_reserved_page
drivers/media/platform/seco-cec/seco-cec.c: In function 'secocec_probe':
>> drivers/media/platform/seco-cec/seco-cec.c:527:22: error: implicit declaration of function 'cec_allocate_adapter'; did you mean 'cec_delete_adapter'? [-Werror=implicit-function-declaration]
secocec->cec_adap = cec_allocate_adapter(&secocec_cec_adap_ops,
^~~~~~~~~~~~~~~~~~~~
cec_delete_adapter
>> drivers/media/platform/seco-cec/seco-cec.c:527:20: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
secocec->cec_adap = cec_allocate_adapter(&secocec_cec_adap_ops,
^
cc1: some warnings being treated as errors
vim +/cec_transmit_attempt_done +237 drivers/media/platform/seco-cec/seco-cec.c
232
233 static void secocec_tx_done(struct cec_adapter *adap, u16 status_val)
234 {
235 if (status_val & SECOCEC_STATUS_TX_ERROR_MASK) {
236 if (status_val & SECOCEC_STATUS_TX_NACK_ERROR)
> 237 cec_transmit_attempt_done(adap, CEC_TX_STATUS_NACK);
238 else
239 cec_transmit_attempt_done(adap, CEC_TX_STATUS_ERROR);
240 } else {
241 cec_transmit_attempt_done(adap, CEC_TX_STATUS_OK);
242 }
243
244 /* Reset status reg */
245 status_val = SECOCEC_STATUS_TX_ERROR_MASK |
246 SECOCEC_STATUS_MSG_SENT_MASK |
247 SECOCEC_STATUS_TX_NACK_ERROR;
248 smb_wr16(SECOCEC_STATUS, status_val);
249 }
250
251 static void secocec_rx_done(struct cec_adapter *adap, u16 status_val)
252 {
253 struct secocec_data *cec = cec_get_drvdata(adap);
254 struct device *dev = cec->dev;
255 struct cec_msg msg = { };
256 bool flag_overflow = false;
257 u8 payload_len, i = 0;
258 u8 *payload_msg;
259 u16 val = 0;
260 int status;
261
262 if (status_val & SECOCEC_STATUS_RX_OVERFLOW_MASK) {
263 /* NOTE: Untested, it also might not be necessary */
264 dev_warn(dev, "Received more than 16 bytes. Discarding");
265 flag_overflow = true;
266 }
267
268 if (status_val & SECOCEC_STATUS_RX_ERROR_MASK) {
269 dev_warn(dev, "Message received with errors. Discarding");
270 status = -EIO;
271 goto rxerr;
272 }
273
274 /* Read message length */
275 status = smb_rd16(SECOCEC_READ_DATA_LENGTH, &val);
276 if (status)
277 return;
278
279 /* Device msg len already accounts for the header */
280 msg.len = min(val + 1, CEC_MAX_MSG_SIZE);
281
282 /* Read logical address */
283 status = smb_rd16(SECOCEC_READ_BYTE0, &val);
284 if (status)
285 return;
286
287 /* device stores source LA and destination */
288 msg.msg[0] = val;
289
290 /* Read operation ID */
291 status = smb_rd16(SECOCEC_READ_OPERATION_ID, &val);
292 if (status)
293 return;
294
295 msg.msg[1] = val;
296
297 /* Read data if present */
298 if (msg.len > 1) {
299 payload_len = msg.len - 2;
300 payload_msg = &msg.msg[2];
301
302 /* device stores 2 bytes in every 16-bit val */
303 for (i = 0; i < payload_len; i += 2) {
304 status = smb_rd16(SECOCEC_READ_DATA_00 + i / 2, &val);
305 if (status)
306 return;
307
308 /* low byte, skipping header */
309 payload_msg[i] = val & 0x00ff;
310
311 /* hi byte */
312 payload_msg[i + 1] = (val & 0xff00) >> 8;
313 }
314 }
315
> 316 cec_received_msg(cec->cec_adap, &msg);
317
318 /* Reset status reg */
319 status_val = SECOCEC_STATUS_MSG_RECEIVED_MASK;
320 if (flag_overflow)
321 status_val |= SECOCEC_STATUS_RX_OVERFLOW_MASK;
322
323 status = smb_wr16(SECOCEC_STATUS, status_val);
324
325 return;
326
327 rxerr:
328 /* Reset error reg */
329 status_val = SECOCEC_STATUS_MSG_RECEIVED_MASK |
330 SECOCEC_STATUS_RX_ERROR_MASK;
331 if (flag_overflow)
332 status_val |= SECOCEC_STATUS_RX_OVERFLOW_MASK;
333 smb_wr16(SECOCEC_STATUS, status_val);
334 }
335
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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