tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git debugfs_remove_return_value head: b133d227ed48382c8cf8f977f69279cf3a0e0ac4 commit: 0ce3084ec1fef72edd1edee6d144626178a47d4a [16/24] tty: serial: pch_uart.c: remove debugfs dentry pointer config: ia64-randconfig-r034-20210403 (attached as .config) compiler: ia64-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git/commit/?id=0ce3084ec1fef72edd1edee6d144626178a47d4a git remote add driver-core https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git git fetch --no-tags driver-core debugfs_remove_return_value git checkout 0ce3084ec1fef72edd1edee6d144626178a47d4a # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=ia64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <l...@intel.com>
All errors (new ones prefixed by >>):
In file included from arch/ia64/include/asm/pgtable.h:154,
from include/linux/pgtable.h:6,
from arch/ia64/include/asm/uaccess.h:40,
from include/linux/uaccess.h:11,
from arch/ia64/include/asm/sections.h:11,
from include/linux/interrupt.h:20,
from include/linux/pci.h:38,
from drivers/tty/serial/pch_uart.c:9:
arch/ia64/include/asm/mmu_context.h: In function 'reload_context':
arch/ia64/include/asm/mmu_context.h:127:41: warning: variable 'old_rr4' set
but not used [-Wunused-but-set-variable]
127 | unsigned long rr0, rr1, rr2, rr3, rr4, old_rr4;
| ^~~~~~~
drivers/tty/serial/pch_uart.c: In function 'pch_uart_init_port':
>> drivers/tty/serial/pch_uart.c:1815:9: error: 'port_regs_ops' undeclared
>> (first use in this function)
1815 | &port_regs_ops);
| ^~~~~~~~~~~~~
drivers/tty/serial/pch_uart.c:1815:9: note: each undeclared identifier is
reported only once for each function it appears in
vim +/port_regs_ops +1815 drivers/tty/serial/pch_uart.c
1725
1726 static struct eg20t_port *pch_uart_init_port(struct pci_dev *pdev,
1727 const struct pci_device_id
*id)
1728 {
1729 struct eg20t_port *priv;
1730 int ret;
1731 unsigned int iobase;
1732 unsigned int mapbase;
1733 unsigned char *rxbuf;
1734 int fifosize;
1735 int port_type;
1736 struct pch_uart_driver_data *board;
1737 char name[32];
1738
1739 board = &drv_dat[id->driver_data];
1740 port_type = board->port_type;
1741
1742 priv = kzalloc(sizeof(struct eg20t_port), GFP_KERNEL);
1743 if (priv == NULL)
1744 goto init_port_alloc_err;
1745
1746 rxbuf = (unsigned char *)__get_free_page(GFP_KERNEL);
1747 if (!rxbuf)
1748 goto init_port_free_txbuf;
1749
1750 switch (port_type) {
1751 case PORT_PCH_8LINE:
1752 fifosize = 256; /* EG20T/ML7213: UART0 */
1753 break;
1754 case PORT_PCH_2LINE:
1755 fifosize = 64; /* EG20T:UART1~3 ML7213: UART1~2*/
1756 break;
1757 default:
1758 dev_err(&pdev->dev, "Invalid Port Type(=%d)\n",
port_type);
1759 goto init_port_hal_free;
1760 }
1761
1762 pci_enable_msi(pdev);
1763 pci_set_master(pdev);
1764
1765 spin_lock_init(&priv->lock);
1766
1767 iobase = pci_resource_start(pdev, 0);
1768 mapbase = pci_resource_start(pdev, 1);
1769 priv->mapbase = mapbase;
1770 priv->iobase = iobase;
1771 priv->pdev = pdev;
1772 priv->tx_empty = 1;
1773 priv->rxbuf.buf = rxbuf;
1774 priv->rxbuf.size = PAGE_SIZE;
1775
1776 priv->fifo_size = fifosize;
1777 priv->uartclk = pch_uart_get_uartclk();
1778 priv->port_type = port_type;
1779 priv->port.dev = &pdev->dev;
1780 priv->port.iobase = iobase;
1781 priv->port.membase = NULL;
1782 priv->port.mapbase = mapbase;
1783 priv->port.irq = pdev->irq;
1784 priv->port.iotype = UPIO_PORT;
1785 priv->port.ops = &pch_uart_ops;
1786 priv->port.flags = UPF_BOOT_AUTOCONF;
1787 priv->port.fifosize = fifosize;
1788 priv->port.line = board->line_no;
1789 priv->port.has_sysrq =
IS_ENABLED(CONFIG_SERIAL_PCH_UART_CONSOLE);
1790 priv->trigger = PCH_UART_HAL_TRIGGER_M;
1791
1792 snprintf(priv->irq_name, IRQ_NAME_SIZE,
1793 KBUILD_MODNAME ":" PCH_UART_DRIVER_DEVICE "%d",
1794 priv->port.line);
1795
1796 spin_lock_init(&priv->port.lock);
1797
1798 pci_set_drvdata(pdev, priv);
1799 priv->trigger_level = 1;
1800 priv->fcr = 0;
1801
1802 if (pdev->dev.of_node)
1803 of_property_read_u32(pdev->dev.of_node,
"clock-frequency"
1804 , &user_uartclk);
1805
1806 #ifdef CONFIG_SERIAL_PCH_UART_CONSOLE
1807 pch_uart_ports[board->line_no] = priv;
1808 #endif
1809 ret = uart_add_one_port(&pch_uart_driver, &priv->port);
1810 if (ret < 0)
1811 goto init_port_hal_free;
1812
1813 snprintf(name, sizeof(name), "uart%d_regs", priv->port.line);
1814 debugfs_create_file(name, S_IFREG | S_IRUGO, NULL, priv,
> 1815 &port_regs_ops);
1816
1817 return priv;
1818
1819 init_port_hal_free:
1820 #ifdef CONFIG_SERIAL_PCH_UART_CONSOLE
1821 pch_uart_ports[board->line_no] = NULL;
1822 #endif
1823 free_page((unsigned long)rxbuf);
1824 init_port_free_txbuf:
1825 kfree(priv);
1826 init_port_alloc_err:
1827
1828 return NULL;
1829 }
1830
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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