• Sebastian Andrzej Siewior's avatar
    tty: serial: 8250: make serial8250_console_setup() non _init · f31b5d27
    Sebastian Andrzej Siewior authored
    if I boot with console=ttyS0 and the omap driver is module I end up with
    
    | console [ttyS0] disabled
    | omap8250 44e09000.serial: ttyS0 at MMIO 0x44e09000 (irq = 88, base_baud = 3000000) is a 8250
    | Unable to handle kernel paging request at virtual address c07a9de0
    | Modules linked in: 8250_omap(+)
    | CPU: 0 PID: 908 Comm: modprobe Not tainted 3.17.0-rc5+ #1593
    | PC is at serial8250_console_setup+0x0/0xc8
    | LR is at register_console+0x13c/0x3a4
    | [<c0078788>] (register_console) from [<c02d0340>] (uart_add_one_port+0x3cc/0x420)
    | [<c02d0340>] (uart_add_one_port) from [<c02d38a4>] (serial8250_register_8250_port+0x298/0x39c)
    | [<c02d38a4>] (serial8250_register_8250_port) from [<bf006274>] (omap8250_probe+0x218/0x3dc [8250_omap])
    | [<bf006274>] (omap8250_probe [8250_omap]) from [<c02e3424>] (platform_drv_probe+0x2c/0x5c)
    | [<c02e3424>] (platform_drv_probe) from [<c02e1eac>] (driver_probe_device+0x104/0x228)
    …
    | [<c009fa48>] (SyS_init_module) from [<c000e6e0>] (ret_fast_syscall+0x0/0x30)
    | Code: 7823603b f8314620 051b3013 491ed416 (44792204)
    
    because serial8250_console_setup() is already gone.
    Signed-off-by: default avatarSebastian Andrzej Siewior <bigeasy@linutronix.de>
    Reviewed-by: default avatarPeter Hurley <peter@hurleysoftware.com>
    Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
    f31b5d27
8250_core.c 95.1 KB