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

[Tuomas Vainikka <tuomas.vainikka@xxxxxxxx>]

On 08/18/2013 12:42 PM, Geert Uytterhoeven wrote:
> On Sun, Aug 18, 2013 at 11:14 AM, Tuomas Vainikka
> <tuomas.vainikka@xxxxxxxx> 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

Attachment: zesp004.cap.gz
Description: GNU Zip compressed data

Attachment: zorro_esp.c.gz
Description: GNU Zip compressed data