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Wed, 07 Feb 2024 23:25:14 +0000 Date: Thu, 8 Feb 2024 07:25:12 +0800 From: kernel test robot To: Hugo Villeneuve , gregkh@linuxfoundation.org, jirislaby@kernel.org Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, hugo@hugovil.com, Hugo Villeneuve Subject: Re: [PATCH 3/4] serial: sc16is7xx: split into core and I2C/SPI parts (sc16is7xx_lines) Message-ID: <202402080730.RUiQXpMA-lkp@intel.com> References: <20240206214208.2141067-4-hugo@hugovil.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240206214208.2141067-4-hugo@hugovil.com> Hi Hugo, kernel test robot noticed the following build errors: [auto build test ERROR on 52b56990d214c7403b20f691ac61861a37c0f0db] url: https://github.com/intel-lab-lkp/linux/commits/Hugo-Villeneuve/serial-sc16is7xx-simplify-and-improve-Kconfig-help-text/20240207-061642 base: 52b56990d214c7403b20f691ac61861a37c0f0db patch link: https://lore.kernel.org/r/20240206214208.2141067-4-hugo%40hugovil.com patch subject: [PATCH 3/4] serial: sc16is7xx: split into core and I2C/SPI parts (sc16is7xx_lines) config: i386-randconfig-001-20240207 (https://download.01.org/0day-ci/archive/20240208/202402080730.RUiQXpMA-lkp@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240208/202402080730.RUiQXpMA-lkp@intel.com/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 | Closes: https://lore.kernel.org/oe-kbuild-all/202402080730.RUiQXpMA-lkp@intel.com/ All errors (new ones prefixed by >>): drivers/tty/serial/sc16is7xx.c: In function 'sc16is7xx_probe': >> drivers/tty/serial/sc16is7xx.c:1539:37: error: implicit declaration of function 'find_and_set_bit'; did you mean 'test_and_set_bit'? [-Werror=implicit-function-declaration] 1539 | s->p[i].port.line = find_and_set_bit(sc16is7xx_lines, | ^~~~~~~~~~~~~~~~ | test_and_set_bit cc1: some warnings being treated as errors vim +1539 drivers/tty/serial/sc16is7xx.c 1462 1463 int sc16is7xx_probe(struct device *dev, const struct sc16is7xx_devtype *devtype, 1464 struct regmap *regmaps[], int irq) 1465 { 1466 unsigned long freq = 0, *pfreq = dev_get_platdata(dev); 1467 unsigned int val; 1468 u32 uartclk = 0; 1469 int i, ret; 1470 struct sc16is7xx_port *s; 1471 bool port_registered[SC16IS7XX_MAX_PORTS]; 1472 1473 for (i = 0; i < devtype->nr_uart; i++) 1474 if (IS_ERR(regmaps[i])) 1475 return PTR_ERR(regmaps[i]); 1476 1477 /* 1478 * This device does not have an identification register that would 1479 * tell us if we are really connected to the correct device. 1480 * The best we can do is to check if communication is at all possible. 1481 * 1482 * Note: regmap[0] is used in the probe function to access registers 1483 * common to all channels/ports, as it is guaranteed to be present on 1484 * all variants. 1485 */ 1486 ret = regmap_read(regmaps[0], SC16IS7XX_LSR_REG, &val); 1487 if (ret < 0) 1488 return -EPROBE_DEFER; 1489 1490 /* Alloc port structure */ 1491 s = devm_kzalloc(dev, struct_size(s, p, devtype->nr_uart), GFP_KERNEL); 1492 if (!s) { 1493 dev_err(dev, "Error allocating port structure\n"); 1494 return -ENOMEM; 1495 } 1496 1497 /* Always ask for fixed clock rate from a property. */ 1498 device_property_read_u32(dev, "clock-frequency", &uartclk); 1499 1500 s->clk = devm_clk_get_optional(dev, NULL); 1501 if (IS_ERR(s->clk)) 1502 return PTR_ERR(s->clk); 1503 1504 ret = clk_prepare_enable(s->clk); 1505 if (ret) 1506 return ret; 1507 1508 freq = clk_get_rate(s->clk); 1509 if (freq == 0) { 1510 if (uartclk) 1511 freq = uartclk; 1512 if (pfreq) 1513 freq = *pfreq; 1514 if (freq) 1515 dev_dbg(dev, "Clock frequency: %luHz\n", freq); 1516 else 1517 return -EINVAL; 1518 } 1519 1520 s->devtype = devtype; 1521 dev_set_drvdata(dev, s); 1522 1523 kthread_init_worker(&s->kworker); 1524 s->kworker_task = kthread_run(kthread_worker_fn, &s->kworker, 1525 "sc16is7xx"); 1526 if (IS_ERR(s->kworker_task)) { 1527 ret = PTR_ERR(s->kworker_task); 1528 goto out_clk; 1529 } 1530 sched_set_fifo(s->kworker_task); 1531 1532 /* reset device, purging any pending irq / data */ 1533 regmap_write(regmaps[0], SC16IS7XX_IOCONTROL_REG, 1534 SC16IS7XX_IOCONTROL_SRESET_BIT); 1535 1536 for (i = 0; i < devtype->nr_uart; ++i) { 1537 port_registered[i] = false; 1538 > 1539 s->p[i].port.line = find_and_set_bit(sc16is7xx_lines, 1540 SC16IS7XX_MAX_DEVS); 1541 if (s->p[i].port.line >= SC16IS7XX_MAX_DEVS) { 1542 ret = -ERANGE; 1543 goto out_ports; 1544 } 1545 1546 /* Initialize port data */ 1547 s->p[i].port.dev = dev; 1548 s->p[i].port.irq = irq; 1549 s->p[i].port.type = PORT_SC16IS7XX; 1550 s->p[i].port.fifosize = SC16IS7XX_FIFO_SIZE; 1551 s->p[i].port.flags = UPF_FIXED_TYPE | UPF_LOW_LATENCY; 1552 s->p[i].port.iobase = i; 1553 /* 1554 * Use all ones as membase to make sure uart_configure_port() in 1555 * serial_core.c does not abort for SPI/I2C devices where the 1556 * membase address is not applicable. 1557 */ 1558 s->p[i].port.membase = (void __iomem *)~0; 1559 s->p[i].port.iotype = UPIO_PORT; 1560 s->p[i].port.uartclk = freq; 1561 s->p[i].port.rs485_config = sc16is7xx_config_rs485; 1562 s->p[i].port.rs485_supported = sc16is7xx_rs485_supported; 1563 s->p[i].port.ops = &sc16is7xx_ops; 1564 s->p[i].old_mctrl = 0; 1565 s->p[i].regmap = regmaps[i]; 1566 1567 mutex_init(&s->p[i].efr_lock); 1568 1569 ret = uart_get_rs485_mode(&s->p[i].port); 1570 if (ret) 1571 goto out_ports; 1572 1573 /* Disable all interrupts */ 1574 sc16is7xx_port_write(&s->p[i].port, SC16IS7XX_IER_REG, 0); 1575 /* Disable TX/RX */ 1576 sc16is7xx_port_write(&s->p[i].port, SC16IS7XX_EFCR_REG, 1577 SC16IS7XX_EFCR_RXDISABLE_BIT | 1578 SC16IS7XX_EFCR_TXDISABLE_BIT); 1579 1580 /* Initialize kthread work structs */ 1581 kthread_init_work(&s->p[i].tx_work, sc16is7xx_tx_proc); 1582 kthread_init_work(&s->p[i].reg_work, sc16is7xx_reg_proc); 1583 kthread_init_delayed_work(&s->p[i].ms_work, sc16is7xx_ms_proc); 1584 1585 /* Register port */ 1586 ret = uart_add_one_port(&sc16is7xx_uart, &s->p[i].port); 1587 if (ret) 1588 goto out_ports; 1589 1590 port_registered[i] = true; 1591 1592 /* Enable EFR */ 1593 sc16is7xx_port_write(&s->p[i].port, SC16IS7XX_LCR_REG, 1594 SC16IS7XX_LCR_CONF_MODE_B); 1595 1596 regcache_cache_bypass(regmaps[i], true); 1597 1598 /* Enable write access to enhanced features */ 1599 sc16is7xx_port_write(&s->p[i].port, SC16IS7XX_EFR_REG, 1600 SC16IS7XX_EFR_ENABLE_BIT); 1601 1602 regcache_cache_bypass(regmaps[i], false); 1603 1604 /* Restore access to general registers */ 1605 sc16is7xx_port_write(&s->p[i].port, SC16IS7XX_LCR_REG, 0x00); 1606 1607 /* Go to suspend mode */ 1608 sc16is7xx_power(&s->p[i].port, 0); 1609 } 1610 1611 sc16is7xx_setup_irda_ports(s); 1612 1613 ret = sc16is7xx_setup_mctrl_ports(s, regmaps[0]); 1614 if (ret) 1615 goto out_ports; 1616 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki