Re: [PATCH 0/2] Experimental Amiga Zorro ESP driver

Tuomas Vainikka
2013-08-18T12:25:57Z

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On 08/18/2013 12:42 PM, Geert Uytterhoeven wrote:
> On Sun, Aug 18, 2013 at 11:14 AM, Tuomas Vainikka
> <tuomas.vainikka@aalto.fi> wrote:
>> The original blz1230 / blz2060 drivers did PIO commands. I attached a log of
>> modprobing first without interrupt messages and then with the interrupt
>> messages, because, indeed, the zorro_esp_irq_pending function gets called a
>> lot, and it takes forever to printk those messages. I have no idea about the
> You can use WARN_RATELIMIT() instead to avoid flooding the screen
> with the same values.
> printk_ratelimit() is similar, but it uses a single instance of the
> ratelimit state,
> i.e. you cannot use it to limit two different value sets.
>
>
Ok, here's the suppressed output. Like Michael said, the short DMA
command seems to be the problem, and should probably be sent using PIO.

-Tuomas

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