Hi Alvin,
kernel test robot noticed the following build errors:
[auto build test ERROR on c75962170e49f24399141276ae119e6a879f36dc]
url: https://github.com/intel-lab-lkp/linux/commits/Alvin-ipraga/a2b-add-A2B-driver-core/20240517-211849
base: c75962170e49f24399141276ae119e6a879f36dc
patch link: https://lore.kernel.org/r/20240517-a2b-v1-4-b8647554c67b%40bang-olufsen.dk
patch subject: [PATCH 04/13] a2b: add AD24xx I2C interface driver
config: i386-allmodconfig (https://download.01.org/0day-ci/archive/20240518/202405182210.oMSzcs2I-lkp@xxxxxxxxx/config)
compiler: gcc-13 (Ubuntu 13.2.0-4ubuntu3) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240518/202405182210.oMSzcs2I-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/202405182210.oMSzcs2I-lkp@xxxxxxxxx/
All error/warnings (new ones prefixed by >>):
drivers/a2b/ad24xx-i2c.c: In function 'ad24xx_i2c_irq_handler':
>> drivers/a2b/ad24xx-i2c.c:272:17: error: implicit declaration of function 'handle_nested_irq' [-Werror=implicit-function-declaration]
272 | handle_nested_irq(virq);
| ^~~~~~~~~~~~~~~~~
drivers/a2b/ad24xx-i2c.c: In function 'ad24xx_i2c_irq_enable':
>> drivers/a2b/ad24xx-i2c.c:281:33: error: implicit declaration of function 'irq_data_get_irq_chip_data'; did you mean 'irq_domain_get_irq_data'? [-Werror=implicit-function-declaration]
281 | struct ad24xx_i2c *ad = irq_data_get_irq_chip_data(irq_data);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
| irq_domain_get_irq_data
>> drivers/a2b/ad24xx-i2c.c:281:33: warning: initialization of 'struct ad24xx_i2c *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
>> drivers/a2b/ad24xx-i2c.c:282:41: error: invalid use of undefined type 'struct irq_data'
282 | irq_hw_number_t hwirq = irq_data->hwirq;
| ^~
drivers/a2b/ad24xx-i2c.c: In function 'ad24xx_i2c_irq_disable':
drivers/a2b/ad24xx-i2c.c:289:33: warning: initialization of 'struct ad24xx_i2c *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
289 | struct ad24xx_i2c *ad = irq_data_get_irq_chip_data(irq_data);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/a2b/ad24xx-i2c.c:290:41: error: invalid use of undefined type 'struct irq_data'
290 | irq_hw_number_t hwirq = irq_data->hwirq;
| ^~
drivers/a2b/ad24xx-i2c.c: At top level:
>> drivers/a2b/ad24xx-i2c.c:295:21: error: variable 'ad24xx_i2c_irq_chip' has initializer but incomplete type
295 | static const struct irq_chip ad24xx_i2c_irq_chip = {
| ^~~~~~~~
>> drivers/a2b/ad24xx-i2c.c:296:10: error: 'const struct irq_chip' has no member named 'name'
296 | .name = "ad24xx-i2c",
| ^~~~
>> drivers/a2b/ad24xx-i2c.c:296:17: warning: excess elements in struct initializer
296 | .name = "ad24xx-i2c",
| ^~~~~~~~~~~~
drivers/a2b/ad24xx-i2c.c:296:17: note: (near initialization for 'ad24xx_i2c_irq_chip')
>> drivers/a2b/ad24xx-i2c.c:297:10: error: 'const struct irq_chip' has no member named 'irq_enable'
297 | .irq_enable = ad24xx_i2c_irq_enable,
| ^~~~~~~~~~
drivers/a2b/ad24xx-i2c.c:297:23: warning: excess elements in struct initializer
297 | .irq_enable = ad24xx_i2c_irq_enable,
| ^~~~~~~~~~~~~~~~~~~~~
drivers/a2b/ad24xx-i2c.c:297:23: note: (near initialization for 'ad24xx_i2c_irq_chip')
>> drivers/a2b/ad24xx-i2c.c:298:10: error: 'const struct irq_chip' has no member named 'irq_disable'
298 | .irq_disable = ad24xx_i2c_irq_disable,
| ^~~~~~~~~~~
drivers/a2b/ad24xx-i2c.c:298:24: warning: excess elements in struct initializer
298 | .irq_disable = ad24xx_i2c_irq_disable,
| ^~~~~~~~~~~~~~~~~~~~~~
drivers/a2b/ad24xx-i2c.c:298:24: note: (near initialization for 'ad24xx_i2c_irq_chip')
drivers/a2b/ad24xx-i2c.c: In function 'ad24xx_i2c_irqdomain_map':
>> drivers/a2b/ad24xx-i2c.c:304:9: error: implicit declaration of function 'irq_set_chip_data' [-Werror=implicit-function-declaration]
304 | irq_set_chip_data(irq, irqdomain->host_data);
| ^~~~~~~~~~~~~~~~~
>> drivers/a2b/ad24xx-i2c.c:305:9: error: implicit declaration of function 'irq_set_chip_and_handler' [-Werror=implicit-function-declaration]
305 | irq_set_chip_and_handler(irq, &ad24xx_i2c_irq_chip, handle_simple_irq);
| ^~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/a2b/ad24xx-i2c.c:305:61: error: 'handle_simple_irq' undeclared (first use in this function)
305 | irq_set_chip_and_handler(irq, &ad24xx_i2c_irq_chip, handle_simple_irq);
| ^~~~~~~~~~~~~~~~~
drivers/a2b/ad24xx-i2c.c:305:61: note: each undeclared identifier is reported only once for each function it appears in
>> drivers/a2b/ad24xx-i2c.c:306:9: error: implicit declaration of function 'irq_set_nested_thread' [-Werror=implicit-function-declaration]
306 | irq_set_nested_thread(irq, 1);
| ^~~~~~~~~~~~~~~~~~~~~
>> drivers/a2b/ad24xx-i2c.c:307:9: error: implicit declaration of function 'irq_set_noprobe' [-Werror=implicit-function-declaration]
307 | irq_set_noprobe(irq);
| ^~~~~~~~~~~~~~~
drivers/a2b/ad24xx-i2c.c: At top level:
>> drivers/a2b/ad24xx-i2c.c:295:30: error: storage size of 'ad24xx_i2c_irq_chip' isn't known
295 | static const struct irq_chip ad24xx_i2c_irq_chip = {
| ^~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
vim +/handle_nested_irq +272 drivers/a2b/ad24xx-i2c.c
218
219 static irqreturn_t ad24xx_i2c_irq_handler(int irq, void *data)
220 {
221 struct ad24xx_i2c *ad = data;
222 bool handled = false;
223 unsigned long hwirq;
224 unsigned int val;
225 unsigned int virq;
226 int ret;
227
228 /*
229 * The transceiver asserts the IRQ line as long as there are pending
230 * interrupts. Process them all here so that the interrupt can be
231 * configured with an edge trigger.
232 */
233 while (true) {
234 mutex_lock(&ad->mutex);
235 ret = regmap_read(ad->base_regmap, A2B_INTSRC, &val);
236 mutex_unlock(&ad->mutex);
237 if (ret) {
238 dev_err_ratelimited(
239 ad->dev,
240 "failed to read interrupt source: %d\n", ret);
241 break;
242 }
243
244 if (val & A2B_INTSRC_MSTINT_MASK)
245 hwirq = 0;
246 else if (val & A2B_INTSRC_SLVINT_MASK)
247 hwirq = (val & A2B_INTSRC_INODE_MASK) + 1;
248 else
249 break;
250
251 /*
252 * Pending interrupts are only cleared when reading the
253 * interrupt type. Normally this is done in the corresponding
254 * node's interrupt handler, but in case the interrupt is
255 * disabled, it has to be read here.
256 */
257 if (!(BIT(hwirq) & ad->irqs_enabled)) {
258 ret = ad24xx_i2c_get_inttype(&ad->a2b_bus, &val);
259 if (ret)
260 dev_err_ratelimited(
261 ad->dev,
262 "failed to read interrupt type: %d\n",
263 ret);
264 handled = true;
265 continue;
266 }
267
268 virq = irq_find_mapping(ad->irqdomain, hwirq);
269 if (!virq)
270 break;
271
> 272 handle_nested_irq(virq);
273 handled = true;
274 }
275
276 return handled ? IRQ_HANDLED : IRQ_NONE;
277 }
278
279 static void ad24xx_i2c_irq_enable(struct irq_data *irq_data)
280 {
> 281 struct ad24xx_i2c *ad = irq_data_get_irq_chip_data(irq_data);
> 282 irq_hw_number_t hwirq = irq_data->hwirq;
283
284 ad->irqs_enabled |= BIT(hwirq);
285 }
286
287 static void ad24xx_i2c_irq_disable(struct irq_data *irq_data)
288 {
289 struct ad24xx_i2c *ad = irq_data_get_irq_chip_data(irq_data);
290 irq_hw_number_t hwirq = irq_data->hwirq;
291
292 ad->irqs_enabled &= ~BIT(hwirq);
293 }
294
> 295 static const struct irq_chip ad24xx_i2c_irq_chip = {
> 296 .name = "ad24xx-i2c",
> 297 .irq_enable = ad24xx_i2c_irq_enable,
> 298 .irq_disable = ad24xx_i2c_irq_disable,
299 };
300
301 static int ad24xx_i2c_irqdomain_map(struct irq_domain *irqdomain,
302 unsigned int irq, irq_hw_number_t hwirq)
303 {
> 304 irq_set_chip_data(irq, irqdomain->host_data);
> 305 irq_set_chip_and_handler(irq, &ad24xx_i2c_irq_chip, handle_simple_irq);
> 306 irq_set_nested_thread(irq, 1);
> 307 irq_set_noprobe(irq);
308
309 return 0;
310 }
311
--
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