Re: [PATCH] (pata-2.6 fix queue) cmd64x: fix recovery time calculation (take 2)

[Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>]

On Monday 26 February 2007, Sergei Shtylyov wrote:
> The driver wrongly takes the address setup time into account when calculating
> the PIO recovery time -- this leads to slight overclocking of the PIO modes 0
> and 1 (so, the prayers failed to help, as usual :-).  Rework the code to be
> calculating recovery clock count as a difference between the total cycle count
> and the active count (we don't need to calculate the recovery time itself since
> it's not specified for the PIO modes 0 to 2, and for modes 3 and 4 this formula
> gives enough recovery time anyway in the chip's supported PCI frequency range).
> 
> This patch has been inspired by reading the datasheets and looking at what the
> libata driver does; it has been compile-tested only (as usual :-) but anyway,
> the new code gives the same or longer recovery times than the old one...
> 
> Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
> 
> ---
> Just discovered a missed rename in this patch -- it's always a good idea to
> enable a debugging option when compiling. :-)
> The later patches should be still applying without issues...

I replaced the old patch with this one, thanks