Re: [PATCH 2/4] Blackfin: Serial driver for Blackfin arch on 2.6.18
From: Alan Cox
Date: Thu Sep 21 2006 - 05:02:39 EST
Ar Iau, 2006-09-21 am 11:33 +0800, ysgrifennodd Luke Yang:
> Hi,
>
> This is the serial driver for Blackfin. It is designed for the serial
> core framework.
> +#define DMA_RX_XCOUNT TTY_FLIPBUF_SIZE
TTY_FLIPBUF_SIZE is going away. Just pick a value good for your hardware
and under PAGE_SIZE.
Other question - is your locking ok for low latency. In low latency mode
tty_flip_buffer_push() may directly end up calling your write methods.
Otherwise looks good
Alan
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