From mboxrd@z Thu Jan  1 00:00:00 1970
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Date: Sat, 29 Oct 2005 00:34:12 +0200
From: Hannes Mayer <h.mayer@domain.hid>
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Subject: Re: [Xenomai-core] [patch] serial driver fixes/improvements
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To: Jan Kiszka <kiszka@domain.hid>
Cc: xenomai-core <xenomai@xenomai.org>

Hi Jan et al.!

Jan Kiszka wrote:
[...]
> +modprobe xeno_16550A ioaddr=<io1>[,<io2>...] irq=<irq1>[,<irq2>...]
> +                     [tx_fifo=<len1>[,<len2>...]] [start_index=<index>]
> +
> +Arguments:
> +    ioaddr<N>   - I/O address of device <N> (e.g. 0x3f8 for ttyS0)
> +    irq<N>      - interrupt number of device <N> (e.g. 4 for ttyS0)
> +    tx_fifo<N>  - Transmitter FIFO size in bytes of device <N>, default is 16
> +    start_index - First device instance number to be used, default is 0

If I may throw in my 2 eurocents:
I think the Arguments-section is a bit misleading.
One doesn't specify ioaddr1, ioaddr2 etc. on the command line, as suggested
by ioaddr<N>, but ioaddr=[1.dev],[2.dev]...
Same for irq and tx_fifo.

What about this:

Arguments:
     ioaddr      - I/O addresses of devices (e.g. 0x3f8 for ttyS0), separated by comma
     irq         - interrupt numbers of devices (e.g. 4 for ttyS0), separated by comma
     tx_fifo     - Transmitter FIFO sizes in bytes of devices, default is 16, separated by comma
     start_index - First device instance number to be used, default is 0 => rtser0

Just trying to make it as clear as possible :-)

Best regards,
Hannes.