* [hverkuil-media:extron 2/5] drivers/media/cec/usb/extron/extron-cec.c:505:32: sparse: sparse: incorrect type in argument 1 (different base types)
@ 2021-02-21 10:46 kernel test robot
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From: kernel test robot @ 2021-02-21 10:46 UTC (permalink / raw)
To: kbuild-all
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tree: git://linuxtv.org/hverkuil/media_tree.git extron
head: 422016350730158ae4ebc101cda485011d6012f0
commit: bb6ec9cae95f065962e2e3c1f809a7fc0cff2bee [2/5] extron-cec: add extron cec driver
config: xtensa-randconfig-s032-20210221 (attached as .config)
compiler: xtensa-linux-gcc (GCC) 9.3.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.3-229-g60c1f270-dirty
git remote add hverkuil-media git://linuxtv.org/hverkuil/media_tree.git
git fetch --no-tags hverkuil-media extron
git checkout bb6ec9cae95f065962e2e3c1f809a7fc0cff2bee
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=xtensa
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
"sparse warnings: (new ones prefixed by >>)"
>> drivers/media/cec/usb/extron/extron-cec.c:505:32: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int [usertype] size @@ got restricted gfp_t @@
drivers/media/cec/usb/extron/extron-cec.c:505:32: sparse: expected unsigned int [usertype] size
drivers/media/cec/usb/extron/extron-cec.c:505:32: sparse: got restricted gfp_t
>> drivers/media/cec/usb/extron/extron-cec.c:505:44: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected restricted gfp_t [usertype] flags @@ got unsigned int @@
drivers/media/cec/usb/extron/extron-cec.c:505:44: sparse: expected restricted gfp_t [usertype] flags
drivers/media/cec/usb/extron/extron-cec.c:505:44: sparse: got unsigned int
vim +505 drivers/media/cec/usb/extron/extron-cec.c
443
444 static int extron_setup(struct extron *extron, struct serio *serio)
445 {
446 struct extron_port *port;
447 u8 *data = extron->data;
448 unsigned int p, i;
449 int err;
450
451 serio_set_drvdata(serio, extron);
452 for (i = 0; i < 60; i++) {
453 err = extron_send_and_wait(extron, "W3CV", "Vrb3");
454 if (err != -ETIMEDOUT)
455 break;
456 ssleep(1);
457 }
458
459 if (err) {
460 dev_err(extron->dev, "Could not enable Tagged Response\n");
461 return err;
462 }
463
464 err = extron_send_and_wait(extron, "N", "Pno");
465 if (err)
466 return err;
467 dev_info(extron->dev, "Unit part number: %s\n", data + 3);
468 if (strcmp(data + 3, "60-1607-01") &&
469 strcmp(data + 3, "60-1608-01") &&
470 strcmp(data + 3, "60-1609-01")) {
471 dev_err(extron->dev, "Unsupported model\n");
472 return -ENODEV;
473 }
474 /* Up to 6 output ports and one input port */
475 extron->num_out_ports = 2 * (data[9] - '6');
476 extron->num_in_ports = 1;
477 extron->num_ports = extron->num_out_ports + extron->num_in_ports;
478 dev_info(extron->dev, "Unit output ports: %d\n", extron->num_out_ports);
479 dev_info(extron->dev, "Unit input ports: %d\n", extron->num_in_ports);
480
481 err = extron_send_and_wait(extron, "W CN", "Ipn ");
482 if (err)
483 return err;
484 dev_info(extron->dev, "Unit name: %s\n", data + 4);
485
486 err = extron_send_and_wait(extron, "Q", "Ver");
487 if (err)
488 return err;
489 dev_info(extron->dev, "Unit FW Version: %s\n", data + 6);
490
491 err = extron_send_and_wait(extron, "39Q", "Ver39*");
492 if (err)
493 return err;
494 dev_info(extron->dev, "CEC Engine Version: %s\n", data + 6);
495
496 /* Disable CEC */
497 err = extron_send_and_wait(extron, "WI1*0CCEC", "CcecI1*");
498 if (err)
499 return err;
500 err = extron_send_and_wait(extron, "WO0*CCEC", "CcecO0");
501 if (err)
502 return err;
503
504 for (p = 0; p < extron->num_ports; p++) {
> 505 port = kzalloc(GFP_KERNEL, sizeof(*port));
506 if (!port) {
507 err = -ENOMEM;
508 goto free_ports;
509 }
510 mutex_init(&port->lock);
511 INIT_WORK(&port->irq_work, extron_irq_work_handler);
512 spin_lock_init(&port->msg_lock);
513 port->extron = extron;
514 port->is_input = p >= extron->num_out_ports;
515 port->direction = port->is_input ? 'I' : 'O';
516 port->port = 1 + (port->is_input ? p - extron->num_out_ports : p);
517 port->phys_addr = CEC_PHYS_ADDR_INVALID;
518 snprintf(port->name, sizeof(port->name), "%s-%s-%u",
519 dev_name(&serio->dev), port->is_input ? "in" : "out",
520 port->port);
521
522 port->dev = extron->dev;
523 port->adap = cec_allocate_adapter(&extron_cec_adap_ops, port,
524 port->name, CEC_CAP_DEFAULTS, 1);
525 err = PTR_ERR_OR_ZERO(port->adap);
526 if (err < 0) {
527 kfree(port);
528 goto free_ports;
529 }
530 extron->ports[p] = port;
531 }
532
533 /*
534 for (i = 0; i < 60; i++) {
535 err = extron_send_and_wait(extron, "WLS", "Sig");
536 if (err != -ETIMEDOUT)
537 break;
538 msleep(100);
539 }
540 if (err)
541 goto free_ports;
542 dev_info(extron->dev, "%d\n", i);
543 dev_info(extron->dev, "Signal status: %s\n", data + 3);
544 */
545
546 err = extron_send_and_wait(extron, "WI1*20CCEC", "CcecI1*");
547 if (err)
548 goto free_ports;
549
550 err = extron_send_and_wait(extron, "WO20*CCEC", "CcecO20");
551 if (err)
552 goto free_ports;
553
554 /* Set logical addresses to 15 */
555 err = extron_send_and_wait(extron, "WI1*15LCEC", "LcecI1*15");
556 if (err)
557 return err;
558
559 for (p = 0; p < extron->num_out_ports; p++) {
560 char cmd[16];
561 char resp[16];
562
563 snprintf(cmd, sizeof(cmd), "WO%u*15LCEC", p + 1);
564 snprintf(resp, sizeof(resp), "LcecO%u*15", p + 1);
565 err = extron_send_and_wait(extron, cmd, resp);
566 }
567
568 return 0;
569
570 free_ports:
571 while (p--) {
572 struct extron_port *port = extron->ports[p];
573
574 port->disconnected = true;
575 cancel_work_sync(&port->irq_work);
576 cec_delete_adapter(port->adap);
577 extron->ports[p] = NULL;
578 kfree(port);
579 }
580 return err;
581 }
582
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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2021-02-21 10:46 [hverkuil-media:extron 2/5] drivers/media/cec/usb/extron/extron-cec.c:505:32: sparse: sparse: incorrect type in argument 1 (different base types) kernel test robot
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