Re: [PATCH 01/10] serial: mvebu-uart: initial support for Armada-3700 serial port

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



> +static void mvebu_uart_set_termios(struct uart_port *port,
> +				   struct ktermios *termios,
> +				   struct ktermios *old)
> +{
> +	unsigned long flags;
> +	unsigned int baud;
> +
> +	spin_lock_irqsave(&port->lock, flags);
> +
> +	port->read_status_mask = STAT_RX_RDY | STAT_OVR_ERR |
> +		STAT_TX_RDY | STAT_TX_FIFO_FUL;
> +
> +	if (termios->c_iflag & INPCK)
> +		port->read_status_mask |= STAT_FRM_ERR | STAT_PAR_ERR;
> +
> +	port->ignore_status_mask = 0;
> +	if (termios->c_iflag & IGNPAR)
> +		port->ignore_status_mask |=
> +			STAT_FRM_ERR | STAT_PAR_ERR | STAT_OVR_ERR;
> +
> +	if ((termios->c_cflag & CREAD) == 0)
> +		port->ignore_status_mask |= STAT_RX_RDY | STAT_BRK_ERR;

If you don't support parity or charactive size then you should be forcing
those bits in the tty->termios so that the caller sees what settings they
get. tty_termios_copy_hw is close to what you need except that you can
support IGNPAR.

You also want to provide the actual baud rate chosen (see how 8250.c does
it using tty_termios_encode_baud_rate().


> +static struct uart_driver mvebu_uart_driver = {
> +	.owner			= THIS_MODULE,
> +	.driver_name		= "serial",
> +	.dev_name		= "ttyS",
> +	.major			= TTY_MAJOR,
> +	.minor			= 64,

NAK

TTY_MAJOR 64+ is the 8250 driver and ttyS is the 8250 driver name. You
should be using a dynamic major (0) for all new drivers and you need to
pick a different and unused ttyXXX format name.

Alan
--
To unsubscribe from this list: send the line "unsubscribe linux-ide" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux Filesystems]     [Linux SCSI]     [Linux RAID]     [Git]     [Kernel Newbies]     [Linux Newbie]     [Security]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Samba]     [Device Mapper]

  Powered by Linux