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Date: Sun, 12 Dec 2010 22:02:59 +0300
From: Igor Plyatov <plyatov@...il.com>
To: Sergei Shtylyov <sshtylyov@...sta.com>
Cc: jgarzik@...ox.com, linux-ide@...r.kernel.org,
linux-kernel@...r.kernel.org, geomatsi@...il.com,
nicolas.ferre@...el.com, linux@...im.org.za,
linux-arm-kernel@...ts.infradead.org, linux@....linux.org.uk,
christian.glindkamp@...kit.de, ryan@...ewatersys.com,
pgsellmann@...tner-elektronik.at
Subject: Re: [PATCH v2] ata: pata_at91.c bugfix for high master clock
Dear Sergei,
> Hello.
>
> On 11-12-2010 23:37, Igor Plyatov wrote:
>
> > The AT91SAM9 microcontrollers with master clock higher then 105 MHz
> > and PIO0, have overflow of the NCS_RD_PULSE value in the MSB. This
> > lead to "NCS_RD_PULSE" pulse longer then "NRD_CYCLE" pulse and driver
> > does not detect ATA device.
>
> > Signed-off-by: Igor Plyatov<plyatov@...il.com>
> [...]
Please use more descriptive comments, because it is not clear what you
mean here. Maybe here you just cut a text...
It is so strange to cut such small amount of text and I does not have
any idea why here is "[...]" exists.
> > diff --git a/drivers/ata/pata_at91.c b/drivers/ata/pata_at91.c
> > index 0da0dcc..a462405 100644
> > --- a/drivers/ata/pata_at91.c
> > +++ b/drivers/ata/pata_at91.c
> [...]
The same as above. Nobody are able to read you mind on the distance :-)
> > @@ -50,7 +52,7 @@ struct at91_ide_info {
> > };
> >
> > static const struct ata_timing initial_timing =
> > - {XFER_PIO_0, 70, 290, 240, 600, 165, 150, 600, 0};
> > + {XFER_PIO_0, 70, 290, 240, 600, 165, 150, 0, 600, 0};
>
> BTW, you haven't described this in the changelog...
Here is just a typo fixed for the ata_timing structure. This typo does
not have influence on the driver operation, but I do not like to leave
such a negligible problem as it is.
> WBR, Sergei
Best regards!
--
Igor Plyatov
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