* drivers/net/ethernet/davicom/dm9000.c:1684 dm9000_probe() error: we previously assumed 'pdata' could be null (see line 1576)
@ 2022-01-19 15:46 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2022-01-19 15:46 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 39335 bytes --]
CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Jakub Kicinski <kuba@kernel.org>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 1d1df41c5a33359a00e919d54eaebfb789711fdc
commit: 4abd7cffc09a38015fa14a22471e3de48a4ca032 ethernet: use eth_hw_addr_set() in unmaintained drivers
date: 3 months ago
:::::: branch date: 6 hours ago
:::::: commit date: 3 months ago
config: microblaze-randconfig-m031-20220119 (https://download.01.org/0day-ci/archive/20220119/202201192350.uMsraGrb-lkp(a)intel.com/config)
compiler: microblaze-linux-gcc (GCC) 11.2.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
smatch warnings:
drivers/net/ethernet/davicom/dm9000.c:1684 dm9000_probe() error: we previously assumed 'pdata' could be null (see line 1576)
vim +/pdata +1684 drivers/net/ethernet/davicom/dm9000.c
0b8bf1baabe56f drivers/net/ethernet/davicom/dm9000.c Tomasz Figa 2013-05-20 1408
a1365275e745bb drivers/net/dm9000.c Sascha Hauer 2005-05-05 1409 /*
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1410 * Search DM9000 board, allocate space and register it
a1365275e745bb drivers/net/dm9000.c Sascha Hauer 2005-05-05 1411 */
6b6a3e7f65e573 drivers/net/ethernet/davicom/dm9000.c Bill Pemberton 2012-12-03 1412 static int
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1413 dm9000_probe(struct platform_device *pdev)
a1365275e745bb drivers/net/dm9000.c Sascha Hauer 2005-05-05 1414 {
cd4e2e4b368fd5 drivers/net/ethernet/davicom/dm9000.c Jingoo Han 2013-08-30 1415 struct dm9000_plat_data *pdata = dev_get_platdata(&pdev->dev);
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1416 struct board_info *db; /* Point a board information structure */
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1417 struct net_device *ndev;
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1418 struct device *dev = &pdev->dev;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1419 const unsigned char *mac_src;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1420 int ret = 0;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1421 int iosize;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1422 int i;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1423 u32 id_val;
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1424 int reset_gpios;
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1425 enum of_gpio_flags flags;
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1426 struct regulator *power;
3274940bd3d870 drivers/net/ethernet/davicom/dm9000.c Harvey Hunt 2016-05-17 1427 bool inv_mac_addr = false;
4abd7cffc09a38 drivers/net/ethernet/davicom/dm9000.c Jakub Kicinski 2021-10-15 1428 u8 addr[ETH_ALEN];
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1429
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1430 power = devm_regulator_get(dev, "vcc");
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1431 if (IS_ERR(power)) {
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1432 if (PTR_ERR(power) == -EPROBE_DEFER)
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1433 return -EPROBE_DEFER;
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1434 dev_dbg(dev, "no regulator provided\n");
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1435 } else {
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1436 ret = regulator_enable(power);
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1437 if (ret != 0) {
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1438 dev_err(dev,
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1439 "Failed to enable power regulator: %d\n", ret);
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1440 return ret;
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1441 }
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1442 dev_dbg(dev, "regulator enabled\n");
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1443 }
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1444
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1445 reset_gpios = of_get_named_gpio_flags(dev->of_node, "reset-gpios", 0,
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1446 &flags);
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1447 if (gpio_is_valid(reset_gpios)) {
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1448 ret = devm_gpio_request_one(dev, reset_gpios, flags,
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1449 "dm9000_reset");
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1450 if (ret) {
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1451 dev_err(dev, "failed to request reset gpio %d: %d\n",
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1452 reset_gpios, ret);
ac88c531a5b388 drivers/net/ethernet/davicom/dm9000.c Paul Cercueil 2021-03-07 1453 goto out_regulator_disable;
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1454 }
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1455
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1456 /* According to manual PWRST# Low Period Min 1ms */
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1457 msleep(2);
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1458 gpio_set_value(reset_gpios, 1);
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1459 /* Needs 3ms to read eeprom when PWRST is deasserted */
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1460 msleep(4);
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1461 }
a1365275e745bb drivers/net/dm9000.c Sascha Hauer 2005-05-05 1462
0b8bf1baabe56f drivers/net/ethernet/davicom/dm9000.c Tomasz Figa 2013-05-20 1463 if (!pdata) {
0b8bf1baabe56f drivers/net/ethernet/davicom/dm9000.c Tomasz Figa 2013-05-20 1464 pdata = dm9000_parse_dt(&pdev->dev);
ac88c531a5b388 drivers/net/ethernet/davicom/dm9000.c Paul Cercueil 2021-03-07 1465 if (IS_ERR(pdata)) {
ac88c531a5b388 drivers/net/ethernet/davicom/dm9000.c Paul Cercueil 2021-03-07 1466 ret = PTR_ERR(pdata);
ac88c531a5b388 drivers/net/ethernet/davicom/dm9000.c Paul Cercueil 2021-03-07 1467 goto out_regulator_disable;
ac88c531a5b388 drivers/net/ethernet/davicom/dm9000.c Paul Cercueil 2021-03-07 1468 }
0b8bf1baabe56f drivers/net/ethernet/davicom/dm9000.c Tomasz Figa 2013-05-20 1469 }
0b8bf1baabe56f drivers/net/ethernet/davicom/dm9000.c Tomasz Figa 2013-05-20 1470
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1471 /* Init network device */
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1472 ndev = alloc_etherdev(sizeof(struct board_info));
31457db3750c0b drivers/net/ethernet/davicom/dm9000.c Christophe JAILLET 2021-04-11 1473 if (!ndev) {
31457db3750c0b drivers/net/ethernet/davicom/dm9000.c Christophe JAILLET 2021-04-11 1474 ret = -ENOMEM;
31457db3750c0b drivers/net/ethernet/davicom/dm9000.c Christophe JAILLET 2021-04-11 1475 goto out_regulator_disable;
31457db3750c0b drivers/net/ethernet/davicom/dm9000.c Christophe JAILLET 2021-04-11 1476 }
9a2f037cdbe840 drivers/net/dm9000.c Ben Dooks 2008-02-05 1477
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1478 SET_NETDEV_DEV(ndev, &pdev->dev);
9ef9ac51cc5fa5 drivers/net/dm9000.c Ben Dooks 2005-07-23 1479
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1480 dev_dbg(&pdev->dev, "dm9000_probe()\n");
9ef9ac51cc5fa5 drivers/net/dm9000.c Ben Dooks 2005-07-23 1481
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1482 /* setup board info structure */
4cf1653aa90c63 drivers/net/dm9000.c Wang Chen 2008-11-12 1483 db = netdev_priv(ndev);
a1365275e745bb drivers/net/dm9000.c Sascha Hauer 2005-05-05 1484
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1485 db->dev = &pdev->dev;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1486 db->ndev = ndev;
cf9e60aa69ae6c drivers/net/ethernet/davicom/dm9000.c Paul Cercueil 2021-03-07 1487 if (!IS_ERR(power))
cf9e60aa69ae6c drivers/net/ethernet/davicom/dm9000.c Paul Cercueil 2021-03-07 1488 db->power_supply = power;
89c8b0e6cd3859 drivers/net/dm9000.c Ben Dooks 2008-02-05 1489
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1490 spin_lock_init(&db->lock);
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1491 mutex_init(&db->addr_lock);
89c8b0e6cd3859 drivers/net/dm9000.c Ben Dooks 2008-02-05 1492
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1493 INIT_DELAYED_WORK(&db->phy_poll, dm9000_poll_work);
89c8b0e6cd3859 drivers/net/dm9000.c Ben Dooks 2008-02-05 1494
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1495 db->addr_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1496 db->data_res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
89c8b0e6cd3859 drivers/net/dm9000.c Ben Dooks 2008-02-05 1497
b5a099c67a1c36 drivers/net/ethernet/davicom/dm9000.c Robert Jarzmik 2016-02-20 1498 if (!db->addr_res || !db->data_res) {
b5a099c67a1c36 drivers/net/ethernet/davicom/dm9000.c Robert Jarzmik 2016-02-20 1499 dev_err(db->dev, "insufficient resources addr=%p data=%p\n",
b5a099c67a1c36 drivers/net/ethernet/davicom/dm9000.c Robert Jarzmik 2016-02-20 1500 db->addr_res, db->data_res);
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1501 ret = -ENOENT;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1502 goto out;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1503 }
a1365275e745bb drivers/net/dm9000.c Sascha Hauer 2005-05-05 1504
b5a099c67a1c36 drivers/net/ethernet/davicom/dm9000.c Robert Jarzmik 2016-02-20 1505 ndev->irq = platform_get_irq(pdev, 0);
b5a099c67a1c36 drivers/net/ethernet/davicom/dm9000.c Robert Jarzmik 2016-02-20 1506 if (ndev->irq < 0) {
b5a099c67a1c36 drivers/net/ethernet/davicom/dm9000.c Robert Jarzmik 2016-02-20 1507 ret = ndev->irq;
b5a099c67a1c36 drivers/net/ethernet/davicom/dm9000.c Robert Jarzmik 2016-02-20 1508 goto out;
b5a099c67a1c36 drivers/net/ethernet/davicom/dm9000.c Robert Jarzmik 2016-02-20 1509 }
b5a099c67a1c36 drivers/net/ethernet/davicom/dm9000.c Robert Jarzmik 2016-02-20 1510
2e2696223676d5 drivers/net/ethernet/davicom/dm9000.c Paul Cercueil 2021-03-07 1511 db->irq_wake = platform_get_irq_optional(pdev, 1);
c029f4440fd3f0 drivers/net/dm9000.c Ben Dooks 2009-11-10 1512 if (db->irq_wake >= 0) {
c029f4440fd3f0 drivers/net/dm9000.c Ben Dooks 2009-11-10 1513 dev_dbg(db->dev, "wakeup irq %d\n", db->irq_wake);
c029f4440fd3f0 drivers/net/dm9000.c Ben Dooks 2009-11-10 1514
c029f4440fd3f0 drivers/net/dm9000.c Ben Dooks 2009-11-10 1515 ret = request_irq(db->irq_wake, dm9000_wol_interrupt,
c029f4440fd3f0 drivers/net/dm9000.c Ben Dooks 2009-11-10 1516 IRQF_SHARED, dev_name(db->dev), ndev);
c029f4440fd3f0 drivers/net/dm9000.c Ben Dooks 2009-11-10 1517 if (ret) {
c029f4440fd3f0 drivers/net/dm9000.c Ben Dooks 2009-11-10 1518 dev_err(db->dev, "cannot get wakeup irq (%d)\n", ret);
c029f4440fd3f0 drivers/net/dm9000.c Ben Dooks 2009-11-10 1519 } else {
c029f4440fd3f0 drivers/net/dm9000.c Ben Dooks 2009-11-10 1520
c029f4440fd3f0 drivers/net/dm9000.c Ben Dooks 2009-11-10 1521 /* test to see if irq is really wakeup capable */
dced35aeb0367d drivers/net/dm9000.c Thomas Gleixner 2011-03-28 1522 ret = irq_set_irq_wake(db->irq_wake, 1);
c029f4440fd3f0 drivers/net/dm9000.c Ben Dooks 2009-11-10 1523 if (ret) {
c029f4440fd3f0 drivers/net/dm9000.c Ben Dooks 2009-11-10 1524 dev_err(db->dev, "irq %d cannot set wakeup (%d)\n",
c029f4440fd3f0 drivers/net/dm9000.c Ben Dooks 2009-11-10 1525 db->irq_wake, ret);
c029f4440fd3f0 drivers/net/dm9000.c Ben Dooks 2009-11-10 1526 } else {
dced35aeb0367d drivers/net/dm9000.c Thomas Gleixner 2011-03-28 1527 irq_set_irq_wake(db->irq_wake, 0);
c029f4440fd3f0 drivers/net/dm9000.c Ben Dooks 2009-11-10 1528 db->wake_supported = 1;
c029f4440fd3f0 drivers/net/dm9000.c Ben Dooks 2009-11-10 1529 }
c029f4440fd3f0 drivers/net/dm9000.c Ben Dooks 2009-11-10 1530 }
c029f4440fd3f0 drivers/net/dm9000.c Ben Dooks 2009-11-10 1531 }
c029f4440fd3f0 drivers/net/dm9000.c Ben Dooks 2009-11-10 1532
ec282e9225be92 drivers/net/dm9000.c Tobias Klauser 2009-09-09 1533 iosize = resource_size(db->addr_res);
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1534 db->addr_req = request_mem_region(db->addr_res->start, iosize,
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1535 pdev->name);
a1365275e745bb drivers/net/dm9000.c Sascha Hauer 2005-05-05 1536
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1537 if (db->addr_req == NULL) {
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1538 dev_err(db->dev, "cannot claim address reg area\n");
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1539 ret = -EIO;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1540 goto out;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1541 }
a1365275e745bb drivers/net/dm9000.c Sascha Hauer 2005-05-05 1542
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1543 db->io_addr = ioremap(db->addr_res->start, iosize);
37d5dca6af6b62 drivers/net/dm9000.c Enrico Scholz 2008-05-08 1544
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1545 if (db->io_addr == NULL) {
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1546 dev_err(db->dev, "failed to ioremap address reg\n");
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1547 ret = -EINVAL;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1548 goto out;
a1365275e745bb drivers/net/dm9000.c Sascha Hauer 2005-05-05 1549 }
a1365275e745bb drivers/net/dm9000.c Sascha Hauer 2005-05-05 1550
ec282e9225be92 drivers/net/dm9000.c Tobias Klauser 2009-09-09 1551 iosize = resource_size(db->data_res);
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1552 db->data_req = request_mem_region(db->data_res->start, iosize,
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1553 pdev->name);
a1365275e745bb drivers/net/dm9000.c Sascha Hauer 2005-05-05 1554
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1555 if (db->data_req == NULL) {
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1556 dev_err(db->dev, "cannot claim data reg area\n");
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1557 ret = -EIO;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1558 goto out;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1559 }
9a2f037cdbe840 drivers/net/dm9000.c Ben Dooks 2008-02-05 1560
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1561 db->io_data = ioremap(db->data_res->start, iosize);
a1365275e745bb drivers/net/dm9000.c Sascha Hauer 2005-05-05 1562
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1563 if (db->io_data == NULL) {
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1564 dev_err(db->dev, "failed to ioremap data reg\n");
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1565 ret = -EINVAL;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1566 goto out;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1567 }
9ef9ac51cc5fa5 drivers/net/dm9000.c Ben Dooks 2005-07-23 1568
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1569 /* fill in parameters for net-dev structure */
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1570 ndev->base_addr = (unsigned long)db->io_addr;
a1365275e745bb drivers/net/dm9000.c Sascha Hauer 2005-05-05 1571
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1572 /* ensure at least we have a default set of IO routines */
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1573 dm9000_set_io(db, iosize);
a1365275e745bb drivers/net/dm9000.c Sascha Hauer 2005-05-05 1574
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1575 /* check to see if anything is being over-ridden */
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 @1576 if (pdata != NULL) {
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1577 /* check to see if the driver wants to over-ride the
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1578 * default IO width */
89c8b0e6cd3859 drivers/net/dm9000.c Ben Dooks 2008-02-05 1579
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1580 if (pdata->flags & DM9000_PLATF_8BITONLY)
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1581 dm9000_set_io(db, 1);
89c8b0e6cd3859 drivers/net/dm9000.c Ben Dooks 2008-02-05 1582
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1583 if (pdata->flags & DM9000_PLATF_16BITONLY)
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1584 dm9000_set_io(db, 2);
89c8b0e6cd3859 drivers/net/dm9000.c Ben Dooks 2008-02-05 1585
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1586 if (pdata->flags & DM9000_PLATF_32BITONLY)
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1587 dm9000_set_io(db, 4);
89c8b0e6cd3859 drivers/net/dm9000.c Ben Dooks 2008-02-05 1588
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1589 /* check to see if there are any IO routine
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1590 * over-rides */
a1365275e745bb drivers/net/dm9000.c Sascha Hauer 2005-05-05 1591
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1592 if (pdata->inblk != NULL)
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1593 db->inblk = pdata->inblk;
9ef9ac51cc5fa5 drivers/net/dm9000.c Ben Dooks 2005-07-23 1594
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1595 if (pdata->outblk != NULL)
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1596 db->outblk = pdata->outblk;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1597
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1598 if (pdata->dumpblk != NULL)
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1599 db->dumpblk = pdata->dumpblk;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1600
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1601 db->flags = pdata->flags;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1602 }
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1603
f8dd0ecbb74d4b drivers/net/dm9000.c Ben Dooks 2008-06-24 1604 #ifdef CONFIG_DM9000_FORCE_SIMPLE_PHY_POLL
f8dd0ecbb74d4b drivers/net/dm9000.c Ben Dooks 2008-06-24 1605 db->flags |= DM9000_PLATF_SIMPLE_PHY;
f8dd0ecbb74d4b drivers/net/dm9000.c Ben Dooks 2008-06-24 1606 #endif
f8dd0ecbb74d4b drivers/net/dm9000.c Ben Dooks 2008-06-24 1607
751bb6fd80b728 drivers/net/ethernet/davicom/dm9000.c Andrew Ruder 2014-06-04 1608 dm9000_reset(db);
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1609
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1610 /* try multiple times, DM9000 sometimes gets the read wrong */
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1611 for (i = 0; i < 8; i++) {
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1612 id_val = ior(db, DM9000_VIDL);
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1613 id_val |= (u32)ior(db, DM9000_VIDH) << 8;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1614 id_val |= (u32)ior(db, DM9000_PIDL) << 16;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1615 id_val |= (u32)ior(db, DM9000_PIDH) << 24;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1616
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1617 if (id_val == DM9000_ID)
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1618 break;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1619 dev_err(db->dev, "read wrong id 0x%08x\n", id_val);
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1620 }
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1621
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1622 if (id_val != DM9000_ID) {
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1623 dev_err(db->dev, "wrong id: 0x%08x\n", id_val);
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1624 ret = -ENODEV;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1625 goto out;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1626 }
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1627
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1628 /* Identify what type of DM9000 we are working on */
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1629
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1630 id_val = ior(db, DM9000_CHIPR);
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1631 dev_dbg(db->dev, "dm9000 revision 0x%02x\n", id_val);
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1632
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1633 switch (id_val) {
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1634 case CHIPR_DM9000A:
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1635 db->type = TYPE_DM9000A;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1636 break;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1637 case CHIPR_DM9000B:
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1638 db->type = TYPE_DM9000B;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1639 break;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1640 default:
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1641 dev_dbg(db->dev, "ID %02x => defaulting to DM9000E\n", id_val);
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1642 db->type = TYPE_DM9000E;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1643 }
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1644
5dcc60b7188679 drivers/net/dm9000.c Yeasah Pell 2009-07-06 1645 /* dm9000a/b are capable of hardware checksum offload */
5dcc60b7188679 drivers/net/dm9000.c Yeasah Pell 2009-07-06 1646 if (db->type == TYPE_DM9000A || db->type == TYPE_DM9000B) {
c88fcb3d8265cf drivers/net/dm9000.c Michał Mirosław 2011-04-15 1647 ndev->hw_features = NETIF_F_RXCSUM | NETIF_F_IP_CSUM;
c88fcb3d8265cf drivers/net/dm9000.c Michał Mirosław 2011-04-15 1648 ndev->features |= ndev->hw_features;
5dcc60b7188679 drivers/net/dm9000.c Yeasah Pell 2009-07-06 1649 }
5dcc60b7188679 drivers/net/dm9000.c Yeasah Pell 2009-07-06 1650
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1651 /* from this point we assume that we have found a DM9000 */
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1652
d88106b70178a8 drivers/net/dm9000.c Alexander Beregalov 2009-04-15 1653 ndev->netdev_ops = &dm9000_netdev_ops;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1654 ndev->watchdog_timeo = msecs_to_jiffies(watchdog);
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1655 ndev->ethtool_ops = &dm9000_ethtool_ops;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1656
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1657 db->msg_enable = NETIF_MSG_LINK;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1658 db->mii.phy_id_mask = 0x1f;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1659 db->mii.reg_num_mask = 0x1f;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1660 db->mii.force_media = 0;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1661 db->mii.full_duplex = 0;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1662 db->mii.dev = ndev;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1663 db->mii.mdio_read = dm9000_phy_read;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1664 db->mii.mdio_write = dm9000_phy_write;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1665
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1666 mac_src = "eeprom";
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1667
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1668 /* try reading the node address from the attached EEPROM */
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1669 for (i = 0; i < 6; i += 2)
4abd7cffc09a38 drivers/net/ethernet/davicom/dm9000.c Jakub Kicinski 2021-10-15 1670 dm9000_read_eeprom(db, i / 2, addr + i);
4abd7cffc09a38 drivers/net/ethernet/davicom/dm9000.c Jakub Kicinski 2021-10-15 1671 eth_hw_addr_set(ndev, addr);
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1672
fe414248551e28 drivers/net/dm9000.c Laurent Pinchart 2008-07-23 1673 if (!is_valid_ether_addr(ndev->dev_addr) && pdata != NULL) {
fe414248551e28 drivers/net/dm9000.c Laurent Pinchart 2008-07-23 1674 mac_src = "platform data";
a96d317fb1a30b drivers/net/ethernet/davicom/dm9000.c Jakub Kicinski 2021-10-01 1675 eth_hw_addr_set(ndev, pdata->dev_addr);
fe414248551e28 drivers/net/dm9000.c Laurent Pinchart 2008-07-23 1676 }
fe414248551e28 drivers/net/dm9000.c Laurent Pinchart 2008-07-23 1677
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1678 if (!is_valid_ether_addr(ndev->dev_addr)) {
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1679 /* try reading from mac */
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1680
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1681 mac_src = "chip";
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1682 for (i = 0; i < 6; i++)
4abd7cffc09a38 drivers/net/ethernet/davicom/dm9000.c Jakub Kicinski 2021-10-15 1683 addr[i] = ior(db, i + DM9000_PAR);
4abd7cffc09a38 drivers/net/ethernet/davicom/dm9000.c Jakub Kicinski 2021-10-15 @1684 eth_hw_addr_set(ndev, pdata->dev_addr);
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1685 }
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1686
85e6b8c5d8be1e drivers/net/dm9000.c Ben Dooks 2011-02-24 1687 if (!is_valid_ether_addr(ndev->dev_addr)) {
3274940bd3d870 drivers/net/ethernet/davicom/dm9000.c Harvey Hunt 2016-05-17 1688 inv_mac_addr = true;
f2cedb63df1434 drivers/net/ethernet/davicom/dm9000.c Danny Kukawka 2012-02-15 1689 eth_hw_addr_random(ndev);
85e6b8c5d8be1e drivers/net/dm9000.c Ben Dooks 2011-02-24 1690 mac_src = "random";
85e6b8c5d8be1e drivers/net/dm9000.c Ben Dooks 2011-02-24 1691 }
85e6b8c5d8be1e drivers/net/dm9000.c Ben Dooks 2011-02-24 1692
85e6b8c5d8be1e drivers/net/dm9000.c Ben Dooks 2011-02-24 1693
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1694 platform_set_drvdata(pdev, ndev);
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1695 ret = register_netdev(ndev);
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1696
3274940bd3d870 drivers/net/ethernet/davicom/dm9000.c Harvey Hunt 2016-05-17 1697 if (ret == 0) {
3274940bd3d870 drivers/net/ethernet/davicom/dm9000.c Harvey Hunt 2016-05-17 1698 if (inv_mac_addr)
3274940bd3d870 drivers/net/ethernet/davicom/dm9000.c Harvey Hunt 2016-05-17 1699 dev_warn(db->dev, "%s: Invalid ethernet MAC address. Please set using ip\n",
3274940bd3d870 drivers/net/ethernet/davicom/dm9000.c Harvey Hunt 2016-05-17 1700 ndev->name);
e174961ca1a0b2 drivers/net/dm9000.c Johannes Berg 2008-10-27 1701 printk(KERN_INFO "%s: dm9000%c at %p,%p IRQ %d MAC: %pM (%s)\n",
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1702 ndev->name, dm9000_type_to_char(db->type),
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1703 db->io_addr, db->io_data, ndev->irq,
e174961ca1a0b2 drivers/net/dm9000.c Johannes Berg 2008-10-27 1704 ndev->dev_addr, mac_src);
3274940bd3d870 drivers/net/ethernet/davicom/dm9000.c Harvey Hunt 2016-05-17 1705 }
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1706 return 0;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1707
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1708 out:
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1709 dev_err(db->dev, "not found (%d).\n", ret);
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1710
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1711 dm9000_release_board(pdev, db);
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1712 free_netdev(ndev);
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1713
ac88c531a5b388 drivers/net/ethernet/davicom/dm9000.c Paul Cercueil 2021-03-07 1714 out_regulator_disable:
ac88c531a5b388 drivers/net/ethernet/davicom/dm9000.c Paul Cercueil 2021-03-07 1715 if (!IS_ERR(power))
ac88c531a5b388 drivers/net/ethernet/davicom/dm9000.c Paul Cercueil 2021-03-07 1716 regulator_disable(power);
ac88c531a5b388 drivers/net/ethernet/davicom/dm9000.c Paul Cercueil 2021-03-07 1717
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1718 return ret;
a1365275e745bb drivers/net/dm9000.c Sascha Hauer 2005-05-05 1719 }
a1365275e745bb drivers/net/dm9000.c Sascha Hauer 2005-05-05 1720
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
^ permalink raw reply [flat|nested] 2+ messages in thread
* drivers/net/ethernet/davicom/dm9000.c:1684 dm9000_probe() error: we previously assumed 'pdata' could be null (see line 1576)
@ 2022-09-08 15:51 kernel test robot
0 siblings, 0 replies; 2+ messages in thread
From: kernel test robot @ 2022-09-08 15:51 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 39283 bytes --]
BCC: lkp(a)intel.com
CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Jakub Kicinski <kuba@kernel.org>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 0066f1b0e27556381402db3ff31f85d2a2265858
commit: 4abd7cffc09a38015fa14a22471e3de48a4ca032 ethernet: use eth_hw_addr_set() in unmaintained drivers
date: 11 months ago
:::::: branch date: 2 days ago
:::::: commit date: 11 months ago
config: arc-randconfig-m031-20220908 (https://download.01.org/0day-ci/archive/20220908/202209082321.zrPS5yWh-lkp(a)intel.com/config)
compiler: arceb-elf-gcc (GCC) 12.1.0
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
smatch warnings:
drivers/net/ethernet/davicom/dm9000.c:1684 dm9000_probe() error: we previously assumed 'pdata' could be null (see line 1576)
vim +/pdata +1684 drivers/net/ethernet/davicom/dm9000.c
0b8bf1baabe56f drivers/net/ethernet/davicom/dm9000.c Tomasz Figa 2013-05-20 1408
a1365275e745bb drivers/net/dm9000.c Sascha Hauer 2005-05-05 1409 /*
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1410 * Search DM9000 board, allocate space and register it
a1365275e745bb drivers/net/dm9000.c Sascha Hauer 2005-05-05 1411 */
6b6a3e7f65e573 drivers/net/ethernet/davicom/dm9000.c Bill Pemberton 2012-12-03 1412 static int
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1413 dm9000_probe(struct platform_device *pdev)
a1365275e745bb drivers/net/dm9000.c Sascha Hauer 2005-05-05 1414 {
cd4e2e4b368fd5 drivers/net/ethernet/davicom/dm9000.c Jingoo Han 2013-08-30 1415 struct dm9000_plat_data *pdata = dev_get_platdata(&pdev->dev);
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1416 struct board_info *db; /* Point a board information structure */
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1417 struct net_device *ndev;
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1418 struct device *dev = &pdev->dev;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1419 const unsigned char *mac_src;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1420 int ret = 0;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1421 int iosize;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1422 int i;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1423 u32 id_val;
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1424 int reset_gpios;
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1425 enum of_gpio_flags flags;
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1426 struct regulator *power;
3274940bd3d870 drivers/net/ethernet/davicom/dm9000.c Harvey Hunt 2016-05-17 1427 bool inv_mac_addr = false;
4abd7cffc09a38 drivers/net/ethernet/davicom/dm9000.c Jakub Kicinski 2021-10-15 1428 u8 addr[ETH_ALEN];
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1429
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1430 power = devm_regulator_get(dev, "vcc");
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1431 if (IS_ERR(power)) {
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1432 if (PTR_ERR(power) == -EPROBE_DEFER)
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1433 return -EPROBE_DEFER;
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1434 dev_dbg(dev, "no regulator provided\n");
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1435 } else {
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1436 ret = regulator_enable(power);
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1437 if (ret != 0) {
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1438 dev_err(dev,
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1439 "Failed to enable power regulator: %d\n", ret);
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1440 return ret;
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1441 }
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1442 dev_dbg(dev, "regulator enabled\n");
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1443 }
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1444
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1445 reset_gpios = of_get_named_gpio_flags(dev->of_node, "reset-gpios", 0,
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1446 &flags);
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1447 if (gpio_is_valid(reset_gpios)) {
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1448 ret = devm_gpio_request_one(dev, reset_gpios, flags,
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1449 "dm9000_reset");
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1450 if (ret) {
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1451 dev_err(dev, "failed to request reset gpio %d: %d\n",
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1452 reset_gpios, ret);
ac88c531a5b388 drivers/net/ethernet/davicom/dm9000.c Paul Cercueil 2021-03-07 1453 goto out_regulator_disable;
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1454 }
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1455
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1456 /* According to manual PWRST# Low Period Min 1ms */
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1457 msleep(2);
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1458 gpio_set_value(reset_gpios, 1);
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1459 /* Needs 3ms to read eeprom when PWRST is deasserted */
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1460 msleep(4);
7994fe55a4a200 drivers/net/ethernet/davicom/dm9000.c Zubair Lutfullah Kakakhel 2015-01-15 1461 }
a1365275e745bb drivers/net/dm9000.c Sascha Hauer 2005-05-05 1462
0b8bf1baabe56f drivers/net/ethernet/davicom/dm9000.c Tomasz Figa 2013-05-20 1463 if (!pdata) {
0b8bf1baabe56f drivers/net/ethernet/davicom/dm9000.c Tomasz Figa 2013-05-20 1464 pdata = dm9000_parse_dt(&pdev->dev);
ac88c531a5b388 drivers/net/ethernet/davicom/dm9000.c Paul Cercueil 2021-03-07 1465 if (IS_ERR(pdata)) {
ac88c531a5b388 drivers/net/ethernet/davicom/dm9000.c Paul Cercueil 2021-03-07 1466 ret = PTR_ERR(pdata);
ac88c531a5b388 drivers/net/ethernet/davicom/dm9000.c Paul Cercueil 2021-03-07 1467 goto out_regulator_disable;
ac88c531a5b388 drivers/net/ethernet/davicom/dm9000.c Paul Cercueil 2021-03-07 1468 }
0b8bf1baabe56f drivers/net/ethernet/davicom/dm9000.c Tomasz Figa 2013-05-20 1469 }
0b8bf1baabe56f drivers/net/ethernet/davicom/dm9000.c Tomasz Figa 2013-05-20 1470
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1471 /* Init network device */
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1472 ndev = alloc_etherdev(sizeof(struct board_info));
31457db3750c0b drivers/net/ethernet/davicom/dm9000.c Christophe JAILLET 2021-04-11 1473 if (!ndev) {
31457db3750c0b drivers/net/ethernet/davicom/dm9000.c Christophe JAILLET 2021-04-11 1474 ret = -ENOMEM;
31457db3750c0b drivers/net/ethernet/davicom/dm9000.c Christophe JAILLET 2021-04-11 1475 goto out_regulator_disable;
31457db3750c0b drivers/net/ethernet/davicom/dm9000.c Christophe JAILLET 2021-04-11 1476 }
9a2f037cdbe840 drivers/net/dm9000.c Ben Dooks 2008-02-05 1477
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1478 SET_NETDEV_DEV(ndev, &pdev->dev);
9ef9ac51cc5fa5 drivers/net/dm9000.c Ben Dooks 2005-07-23 1479
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1480 dev_dbg(&pdev->dev, "dm9000_probe()\n");
9ef9ac51cc5fa5 drivers/net/dm9000.c Ben Dooks 2005-07-23 1481
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1482 /* setup board info structure */
4cf1653aa90c63 drivers/net/dm9000.c Wang Chen 2008-11-12 1483 db = netdev_priv(ndev);
a1365275e745bb drivers/net/dm9000.c Sascha Hauer 2005-05-05 1484
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1485 db->dev = &pdev->dev;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1486 db->ndev = ndev;
cf9e60aa69ae6c drivers/net/ethernet/davicom/dm9000.c Paul Cercueil 2021-03-07 1487 if (!IS_ERR(power))
cf9e60aa69ae6c drivers/net/ethernet/davicom/dm9000.c Paul Cercueil 2021-03-07 1488 db->power_supply = power;
89c8b0e6cd3859 drivers/net/dm9000.c Ben Dooks 2008-02-05 1489
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1490 spin_lock_init(&db->lock);
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1491 mutex_init(&db->addr_lock);
89c8b0e6cd3859 drivers/net/dm9000.c Ben Dooks 2008-02-05 1492
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1493 INIT_DELAYED_WORK(&db->phy_poll, dm9000_poll_work);
89c8b0e6cd3859 drivers/net/dm9000.c Ben Dooks 2008-02-05 1494
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1495 db->addr_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1496 db->data_res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
89c8b0e6cd3859 drivers/net/dm9000.c Ben Dooks 2008-02-05 1497
b5a099c67a1c36 drivers/net/ethernet/davicom/dm9000.c Robert Jarzmik 2016-02-20 1498 if (!db->addr_res || !db->data_res) {
b5a099c67a1c36 drivers/net/ethernet/davicom/dm9000.c Robert Jarzmik 2016-02-20 1499 dev_err(db->dev, "insufficient resources addr=%p data=%p\n",
b5a099c67a1c36 drivers/net/ethernet/davicom/dm9000.c Robert Jarzmik 2016-02-20 1500 db->addr_res, db->data_res);
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1501 ret = -ENOENT;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1502 goto out;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1503 }
a1365275e745bb drivers/net/dm9000.c Sascha Hauer 2005-05-05 1504
b5a099c67a1c36 drivers/net/ethernet/davicom/dm9000.c Robert Jarzmik 2016-02-20 1505 ndev->irq = platform_get_irq(pdev, 0);
b5a099c67a1c36 drivers/net/ethernet/davicom/dm9000.c Robert Jarzmik 2016-02-20 1506 if (ndev->irq < 0) {
b5a099c67a1c36 drivers/net/ethernet/davicom/dm9000.c Robert Jarzmik 2016-02-20 1507 ret = ndev->irq;
b5a099c67a1c36 drivers/net/ethernet/davicom/dm9000.c Robert Jarzmik 2016-02-20 1508 goto out;
b5a099c67a1c36 drivers/net/ethernet/davicom/dm9000.c Robert Jarzmik 2016-02-20 1509 }
b5a099c67a1c36 drivers/net/ethernet/davicom/dm9000.c Robert Jarzmik 2016-02-20 1510
2e2696223676d5 drivers/net/ethernet/davicom/dm9000.c Paul Cercueil 2021-03-07 1511 db->irq_wake = platform_get_irq_optional(pdev, 1);
c029f4440fd3f0 drivers/net/dm9000.c Ben Dooks 2009-11-10 1512 if (db->irq_wake >= 0) {
c029f4440fd3f0 drivers/net/dm9000.c Ben Dooks 2009-11-10 1513 dev_dbg(db->dev, "wakeup irq %d\n", db->irq_wake);
c029f4440fd3f0 drivers/net/dm9000.c Ben Dooks 2009-11-10 1514
c029f4440fd3f0 drivers/net/dm9000.c Ben Dooks 2009-11-10 1515 ret = request_irq(db->irq_wake, dm9000_wol_interrupt,
c029f4440fd3f0 drivers/net/dm9000.c Ben Dooks 2009-11-10 1516 IRQF_SHARED, dev_name(db->dev), ndev);
c029f4440fd3f0 drivers/net/dm9000.c Ben Dooks 2009-11-10 1517 if (ret) {
c029f4440fd3f0 drivers/net/dm9000.c Ben Dooks 2009-11-10 1518 dev_err(db->dev, "cannot get wakeup irq (%d)\n", ret);
c029f4440fd3f0 drivers/net/dm9000.c Ben Dooks 2009-11-10 1519 } else {
c029f4440fd3f0 drivers/net/dm9000.c Ben Dooks 2009-11-10 1520
c029f4440fd3f0 drivers/net/dm9000.c Ben Dooks 2009-11-10 1521 /* test to see if irq is really wakeup capable */
dced35aeb0367d drivers/net/dm9000.c Thomas Gleixner 2011-03-28 1522 ret = irq_set_irq_wake(db->irq_wake, 1);
c029f4440fd3f0 drivers/net/dm9000.c Ben Dooks 2009-11-10 1523 if (ret) {
c029f4440fd3f0 drivers/net/dm9000.c Ben Dooks 2009-11-10 1524 dev_err(db->dev, "irq %d cannot set wakeup (%d)\n",
c029f4440fd3f0 drivers/net/dm9000.c Ben Dooks 2009-11-10 1525 db->irq_wake, ret);
c029f4440fd3f0 drivers/net/dm9000.c Ben Dooks 2009-11-10 1526 } else {
dced35aeb0367d drivers/net/dm9000.c Thomas Gleixner 2011-03-28 1527 irq_set_irq_wake(db->irq_wake, 0);
c029f4440fd3f0 drivers/net/dm9000.c Ben Dooks 2009-11-10 1528 db->wake_supported = 1;
c029f4440fd3f0 drivers/net/dm9000.c Ben Dooks 2009-11-10 1529 }
c029f4440fd3f0 drivers/net/dm9000.c Ben Dooks 2009-11-10 1530 }
c029f4440fd3f0 drivers/net/dm9000.c Ben Dooks 2009-11-10 1531 }
c029f4440fd3f0 drivers/net/dm9000.c Ben Dooks 2009-11-10 1532
ec282e9225be92 drivers/net/dm9000.c Tobias Klauser 2009-09-09 1533 iosize = resource_size(db->addr_res);
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1534 db->addr_req = request_mem_region(db->addr_res->start, iosize,
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1535 pdev->name);
a1365275e745bb drivers/net/dm9000.c Sascha Hauer 2005-05-05 1536
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1537 if (db->addr_req == NULL) {
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1538 dev_err(db->dev, "cannot claim address reg area\n");
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1539 ret = -EIO;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1540 goto out;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1541 }
a1365275e745bb drivers/net/dm9000.c Sascha Hauer 2005-05-05 1542
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1543 db->io_addr = ioremap(db->addr_res->start, iosize);
37d5dca6af6b62 drivers/net/dm9000.c Enrico Scholz 2008-05-08 1544
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1545 if (db->io_addr == NULL) {
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1546 dev_err(db->dev, "failed to ioremap address reg\n");
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1547 ret = -EINVAL;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1548 goto out;
a1365275e745bb drivers/net/dm9000.c Sascha Hauer 2005-05-05 1549 }
a1365275e745bb drivers/net/dm9000.c Sascha Hauer 2005-05-05 1550
ec282e9225be92 drivers/net/dm9000.c Tobias Klauser 2009-09-09 1551 iosize = resource_size(db->data_res);
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1552 db->data_req = request_mem_region(db->data_res->start, iosize,
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1553 pdev->name);
a1365275e745bb drivers/net/dm9000.c Sascha Hauer 2005-05-05 1554
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1555 if (db->data_req == NULL) {
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1556 dev_err(db->dev, "cannot claim data reg area\n");
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1557 ret = -EIO;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1558 goto out;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1559 }
9a2f037cdbe840 drivers/net/dm9000.c Ben Dooks 2008-02-05 1560
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1561 db->io_data = ioremap(db->data_res->start, iosize);
a1365275e745bb drivers/net/dm9000.c Sascha Hauer 2005-05-05 1562
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1563 if (db->io_data == NULL) {
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1564 dev_err(db->dev, "failed to ioremap data reg\n");
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1565 ret = -EINVAL;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1566 goto out;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1567 }
9ef9ac51cc5fa5 drivers/net/dm9000.c Ben Dooks 2005-07-23 1568
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1569 /* fill in parameters for net-dev structure */
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1570 ndev->base_addr = (unsigned long)db->io_addr;
a1365275e745bb drivers/net/dm9000.c Sascha Hauer 2005-05-05 1571
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1572 /* ensure at least we have a default set of IO routines */
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1573 dm9000_set_io(db, iosize);
a1365275e745bb drivers/net/dm9000.c Sascha Hauer 2005-05-05 1574
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1575 /* check to see if anything is being over-ridden */
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 @1576 if (pdata != NULL) {
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1577 /* check to see if the driver wants to over-ride the
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1578 * default IO width */
89c8b0e6cd3859 drivers/net/dm9000.c Ben Dooks 2008-02-05 1579
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1580 if (pdata->flags & DM9000_PLATF_8BITONLY)
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1581 dm9000_set_io(db, 1);
89c8b0e6cd3859 drivers/net/dm9000.c Ben Dooks 2008-02-05 1582
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1583 if (pdata->flags & DM9000_PLATF_16BITONLY)
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1584 dm9000_set_io(db, 2);
89c8b0e6cd3859 drivers/net/dm9000.c Ben Dooks 2008-02-05 1585
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1586 if (pdata->flags & DM9000_PLATF_32BITONLY)
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1587 dm9000_set_io(db, 4);
89c8b0e6cd3859 drivers/net/dm9000.c Ben Dooks 2008-02-05 1588
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1589 /* check to see if there are any IO routine
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1590 * over-rides */
a1365275e745bb drivers/net/dm9000.c Sascha Hauer 2005-05-05 1591
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1592 if (pdata->inblk != NULL)
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1593 db->inblk = pdata->inblk;
9ef9ac51cc5fa5 drivers/net/dm9000.c Ben Dooks 2005-07-23 1594
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1595 if (pdata->outblk != NULL)
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1596 db->outblk = pdata->outblk;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1597
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1598 if (pdata->dumpblk != NULL)
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1599 db->dumpblk = pdata->dumpblk;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1600
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1601 db->flags = pdata->flags;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1602 }
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1603
f8dd0ecbb74d4b drivers/net/dm9000.c Ben Dooks 2008-06-24 1604 #ifdef CONFIG_DM9000_FORCE_SIMPLE_PHY_POLL
f8dd0ecbb74d4b drivers/net/dm9000.c Ben Dooks 2008-06-24 1605 db->flags |= DM9000_PLATF_SIMPLE_PHY;
f8dd0ecbb74d4b drivers/net/dm9000.c Ben Dooks 2008-06-24 1606 #endif
f8dd0ecbb74d4b drivers/net/dm9000.c Ben Dooks 2008-06-24 1607
751bb6fd80b728 drivers/net/ethernet/davicom/dm9000.c Andrew Ruder 2014-06-04 1608 dm9000_reset(db);
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1609
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1610 /* try multiple times, DM9000 sometimes gets the read wrong */
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1611 for (i = 0; i < 8; i++) {
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1612 id_val = ior(db, DM9000_VIDL);
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1613 id_val |= (u32)ior(db, DM9000_VIDH) << 8;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1614 id_val |= (u32)ior(db, DM9000_PIDL) << 16;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1615 id_val |= (u32)ior(db, DM9000_PIDH) << 24;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1616
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1617 if (id_val == DM9000_ID)
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1618 break;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1619 dev_err(db->dev, "read wrong id 0x%08x\n", id_val);
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1620 }
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1621
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1622 if (id_val != DM9000_ID) {
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1623 dev_err(db->dev, "wrong id: 0x%08x\n", id_val);
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1624 ret = -ENODEV;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1625 goto out;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1626 }
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1627
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1628 /* Identify what type of DM9000 we are working on */
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1629
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1630 id_val = ior(db, DM9000_CHIPR);
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1631 dev_dbg(db->dev, "dm9000 revision 0x%02x\n", id_val);
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1632
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1633 switch (id_val) {
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1634 case CHIPR_DM9000A:
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1635 db->type = TYPE_DM9000A;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1636 break;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1637 case CHIPR_DM9000B:
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1638 db->type = TYPE_DM9000B;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1639 break;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1640 default:
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1641 dev_dbg(db->dev, "ID %02x => defaulting to DM9000E\n", id_val);
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1642 db->type = TYPE_DM9000E;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1643 }
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1644
5dcc60b7188679 drivers/net/dm9000.c Yeasah Pell 2009-07-06 1645 /* dm9000a/b are capable of hardware checksum offload */
5dcc60b7188679 drivers/net/dm9000.c Yeasah Pell 2009-07-06 1646 if (db->type == TYPE_DM9000A || db->type == TYPE_DM9000B) {
c88fcb3d8265cf drivers/net/dm9000.c Michał Mirosław 2011-04-15 1647 ndev->hw_features = NETIF_F_RXCSUM | NETIF_F_IP_CSUM;
c88fcb3d8265cf drivers/net/dm9000.c Michał Mirosław 2011-04-15 1648 ndev->features |= ndev->hw_features;
5dcc60b7188679 drivers/net/dm9000.c Yeasah Pell 2009-07-06 1649 }
5dcc60b7188679 drivers/net/dm9000.c Yeasah Pell 2009-07-06 1650
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1651 /* from this point we assume that we have found a DM9000 */
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1652
d88106b70178a8 drivers/net/dm9000.c Alexander Beregalov 2009-04-15 1653 ndev->netdev_ops = &dm9000_netdev_ops;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1654 ndev->watchdog_timeo = msecs_to_jiffies(watchdog);
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1655 ndev->ethtool_ops = &dm9000_ethtool_ops;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1656
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1657 db->msg_enable = NETIF_MSG_LINK;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1658 db->mii.phy_id_mask = 0x1f;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1659 db->mii.reg_num_mask = 0x1f;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1660 db->mii.force_media = 0;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1661 db->mii.full_duplex = 0;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1662 db->mii.dev = ndev;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1663 db->mii.mdio_read = dm9000_phy_read;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1664 db->mii.mdio_write = dm9000_phy_write;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1665
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1666 mac_src = "eeprom";
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1667
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1668 /* try reading the node address from the attached EEPROM */
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1669 for (i = 0; i < 6; i += 2)
4abd7cffc09a38 drivers/net/ethernet/davicom/dm9000.c Jakub Kicinski 2021-10-15 1670 dm9000_read_eeprom(db, i / 2, addr + i);
4abd7cffc09a38 drivers/net/ethernet/davicom/dm9000.c Jakub Kicinski 2021-10-15 1671 eth_hw_addr_set(ndev, addr);
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1672
fe414248551e28 drivers/net/dm9000.c Laurent Pinchart 2008-07-23 1673 if (!is_valid_ether_addr(ndev->dev_addr) && pdata != NULL) {
fe414248551e28 drivers/net/dm9000.c Laurent Pinchart 2008-07-23 1674 mac_src = "platform data";
a96d317fb1a30b drivers/net/ethernet/davicom/dm9000.c Jakub Kicinski 2021-10-01 1675 eth_hw_addr_set(ndev, pdata->dev_addr);
fe414248551e28 drivers/net/dm9000.c Laurent Pinchart 2008-07-23 1676 }
fe414248551e28 drivers/net/dm9000.c Laurent Pinchart 2008-07-23 1677
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1678 if (!is_valid_ether_addr(ndev->dev_addr)) {
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1679 /* try reading from mac */
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1680
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1681 mac_src = "chip";
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1682 for (i = 0; i < 6; i++)
4abd7cffc09a38 drivers/net/ethernet/davicom/dm9000.c Jakub Kicinski 2021-10-15 1683 addr[i] = ior(db, i + DM9000_PAR);
4abd7cffc09a38 drivers/net/ethernet/davicom/dm9000.c Jakub Kicinski 2021-10-15 @1684 eth_hw_addr_set(ndev, pdata->dev_addr);
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1685 }
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1686
85e6b8c5d8be1e drivers/net/dm9000.c Ben Dooks 2011-02-24 1687 if (!is_valid_ether_addr(ndev->dev_addr)) {
3274940bd3d870 drivers/net/ethernet/davicom/dm9000.c Harvey Hunt 2016-05-17 1688 inv_mac_addr = true;
f2cedb63df1434 drivers/net/ethernet/davicom/dm9000.c Danny Kukawka 2012-02-15 1689 eth_hw_addr_random(ndev);
85e6b8c5d8be1e drivers/net/dm9000.c Ben Dooks 2011-02-24 1690 mac_src = "random";
85e6b8c5d8be1e drivers/net/dm9000.c Ben Dooks 2011-02-24 1691 }
85e6b8c5d8be1e drivers/net/dm9000.c Ben Dooks 2011-02-24 1692
85e6b8c5d8be1e drivers/net/dm9000.c Ben Dooks 2011-02-24 1693
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1694 platform_set_drvdata(pdev, ndev);
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1695 ret = register_netdev(ndev);
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1696
3274940bd3d870 drivers/net/ethernet/davicom/dm9000.c Harvey Hunt 2016-05-17 1697 if (ret == 0) {
3274940bd3d870 drivers/net/ethernet/davicom/dm9000.c Harvey Hunt 2016-05-17 1698 if (inv_mac_addr)
3274940bd3d870 drivers/net/ethernet/davicom/dm9000.c Harvey Hunt 2016-05-17 1699 dev_warn(db->dev, "%s: Invalid ethernet MAC address. Please set using ip\n",
3274940bd3d870 drivers/net/ethernet/davicom/dm9000.c Harvey Hunt 2016-05-17 1700 ndev->name);
e174961ca1a0b2 drivers/net/dm9000.c Johannes Berg 2008-10-27 1701 printk(KERN_INFO "%s: dm9000%c at %p,%p IRQ %d MAC: %pM (%s)\n",
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1702 ndev->name, dm9000_type_to_char(db->type),
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1703 db->io_addr, db->io_data, ndev->irq,
e174961ca1a0b2 drivers/net/dm9000.c Johannes Berg 2008-10-27 1704 ndev->dev_addr, mac_src);
3274940bd3d870 drivers/net/ethernet/davicom/dm9000.c Harvey Hunt 2016-05-17 1705 }
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1706 return 0;
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1707
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1708 out:
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1709 dev_err(db->dev, "not found (%d).\n", ret);
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1710
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1711 dm9000_release_board(pdev, db);
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1712 free_netdev(ndev);
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1713
ac88c531a5b388 drivers/net/ethernet/davicom/dm9000.c Paul Cercueil 2021-03-07 1714 out_regulator_disable:
ac88c531a5b388 drivers/net/ethernet/davicom/dm9000.c Paul Cercueil 2021-03-07 1715 if (!IS_ERR(power))
ac88c531a5b388 drivers/net/ethernet/davicom/dm9000.c Paul Cercueil 2021-03-07 1716 regulator_disable(power);
ac88c531a5b388 drivers/net/ethernet/davicom/dm9000.c Paul Cercueil 2021-03-07 1717
f8d79e79a1700f drivers/net/dm9000.c Ben Dooks 2008-06-24 1718 return ret;
a1365275e745bb drivers/net/dm9000.c Sascha Hauer 2005-05-05 1719 }
a1365275e745bb drivers/net/dm9000.c Sascha Hauer 2005-05-05 1720
--
0-DAY CI Kernel Test Service
https://01.org/lkp
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2022-09-08 15:51 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2022-01-19 15:46 drivers/net/ethernet/davicom/dm9000.c:1684 dm9000_probe() error: we previously assumed 'pdata' could be null (see line 1576) kernel test robot
-- strict thread matches above, loose matches on Subject: below --
2022-09-08 15:51 kernel test robot
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.