[PATCH 1/2] drm: bridge: sil902x
kbuild test robot
lkp at intel.com
Wed Jan 6 04:13:12 PST 2016
Hi Boris,
[auto build test ERROR on drm/drm-next]
[also build test ERROR on v4.4-rc8 next-20160106]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]
url: https://github.com/0day-ci/linux/commits/Boris-Brezillon/drm-bridge-sil902x/20160106-192921
base: git://people.freedesktop.org/~airlied/linux.git drm-next
config: i386-allmodconfig (attached as .config)
reproduce:
# save the attached .config to linux build tree
make ARCH=i386
All error/warnings (new ones prefixed by >>):
drivers/gpu/drm/bridge/sil902x.c: In function 'sil902x_probe':
>> drivers/gpu/drm/bridge/sil902x.c:401:16: warning: format '%d' expects argument of type 'int', but argument 3 has type 'long int' [-Wformat=]
dev_err(dev, "Failed to retrieve/request reset gpio: %d\n",
^
In file included from drivers/gpu/drm/bridge/sil902x.c:26:0:
drivers/gpu/drm/bridge/sil902x.c: At top level:
>> drivers/gpu/drm/bridge/sil902x.c:476:26: error: 'sil9022_id' undeclared here (not in a function)
MODULE_DEVICE_TABLE(i2c, sil9022_id);
^
include/linux/module.h:223:21: note: in definition of macro 'MODULE_DEVICE_TABLE'
extern const typeof(name) __mod_##type##__##name##_device_table \
^
>> include/linux/module.h:223:27: error: '__mod_i2c__sil9022_id_device_table' aliased to undefined symbol 'sil9022_id'
extern const typeof(name) __mod_##type##__##name##_device_table \
^
>> drivers/gpu/drm/bridge/sil902x.c:476:1: note: in expansion of macro 'MODULE_DEVICE_TABLE'
MODULE_DEVICE_TABLE(i2c, sil9022_id);
^
vim +/sil9022_id +476 drivers/gpu/drm/bridge/sil902x.c
395 sil902x->regmap = devm_regmap_init_i2c(client, &sil902x_regmap_config);
396 if (IS_ERR(sil902x->regmap))
397 return PTR_ERR(sil902x->regmap);
398
399 sil902x->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);
400 if (IS_ERR(sil902x->reset_gpio)) {
> 401 dev_err(dev, "Failed to retrieve/request reset gpio: %d\n",
402 PTR_ERR(sil902x->reset_gpio));
403 return PTR_ERR(sil902x->reset_gpio);
404 }
405
406 sil902x_reset(sil902x);
407
408 ret = regmap_write(sil902x->regmap, SIL902X_REG_TPI_RQB, 0x0);
409 if (ret)
410 return ret;
411
412 ret = regmap_bulk_read(sil902x->regmap, SIL902X_REG_CHIPID(0),
413 &chipid, 4);
414 if (ret) {
415 dev_err(dev, "regmap_read failed %d\n", ret);
416 return ret;
417 }
418
419 if (chipid[0] != 0xb0) {
420 dev_err(dev, "Invalid chipid: %02x (expecting 0xb0)\n",
421 chipid[0]);
422 return -EINVAL;
423 }
424
425 /* Clear all pending interrupts */
426 regmap_read(sil902x->regmap, SI902X_INT_STATUS, &status);
427 regmap_write(sil902x->regmap, SI902X_INT_STATUS, status);
428
429 if (client->irq > 0) {
430 regmap_write(sil902x->regmap, SI902X_INT_ENABLE,
431 SI902X_HOTPLUG_EVENT);
432
433 ret = devm_request_threaded_irq(dev, client->irq, NULL,
434 sil902x_interrupt,
435 IRQF_ONESHOT, dev_name(dev),
436 sil902x);
437 if (ret)
438 return ret;
439 }
440
441 sil902x->bridge.funcs = &sil902x_bridge_funcs;
442 sil902x->bridge.of_node = dev->of_node;
443 ret = drm_bridge_add(&sil902x->bridge);
444 if (ret) {
445 dev_err(dev, "Failed to add drm_bridge\n");
446 return ret;
447 }
448
449 i2c_set_clientdata(client, sil902x);
450
451 return 0;
452 }
453
454 static int sil902x_remove(struct i2c_client *client)
455
456 {
457 struct sil902x *sil902x = i2c_get_clientdata(client);
458
459 drm_bridge_remove(&sil902x->bridge);
460
461 return 0;
462 }
463
464 #ifdef CONFIG_OF
465 static const struct of_device_id sil902x_dt_ids[] = {
466 { .compatible = "sil,sil9022", },
467 { }
468 };
469 MODULE_DEVICE_TABLE(of, sil902x_dt_ids);
470 #endif
471
472 static const struct i2c_device_id sil902x_i2c_ids[] = {
473 { "sil9022", 0 },
474 { },
475 };
> 476 MODULE_DEVICE_TABLE(i2c, sil9022_id);
477
478 static struct i2c_driver sil902x_driver = {
479 .probe = sil902x_probe,
---
0-DAY kernel test infrastructure Open Source Technology Center
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