From: Sergei Shtylyov <sshtylyov@ru.mvista.com>
To: Alan <alan@lxorguk.ukuu.org.uk>
Cc: akpm@osdl.org, bzolnier@gmail.com, linux-ide@vger.kernel.org
Subject: Re: [PATCH] (2.6.19-rc6-mm2) pdc202xx_new cleanup
Date: Fri, 01 Dec 2006 16:05:05 +0300 [thread overview]
Message-ID: <45702881.6010107@ru.mvista.com> (raw)
In-Reply-To: <457021C2.3040703@ru.mvista.com>
Hello.
Sergei Shtylyov wrote:
>> I believe this is completely the wrong thing to do. Adding a ton of
>> changes to the existing (and stable) life expired drivers/ide driver
>> rather than keeping new and risky stuff in the new libata code is bad.
> The new and risky stuff is long agon in there.
>> The existing code *works*, its been rock solid since the reset drain fix
> Don't make me laugh. pdc202xx_new certainly doesn't deserve these
> compliments. It has known PLL problems even on x86 if you have more
> than 2 contorollers
Oh, and I forgot to add that Ultra133 chips don't get the proper timings
even on x86 -- they get overclocked b/c BIOS programs 133 MHz DPLL clock and
the chip auto-loads the 100 MHz timings (overriding the driver's override).
>> I don't see the point in risking destabilising a good solid driver. I can
>> just about see justification for !X86 implementation of the PLL handling
>> but that is about it.
> All in a good time.
The main patches are gonna appear in a few days (at last).
>> Alan
WBR, Sergei
next prev parent reply other threads:[~2006-12-01 13:03 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-30 18:51 [PATCH] (2.6.19-rc6-mm2) pdc202xx_new cleanup Sergei Shtylyov
2006-12-01 0:13 ` Alan
2006-12-01 12:36 ` Sergei Shtylyov
2006-12-01 13:05 ` Sergei Shtylyov [this message]
2006-12-02 15:40 ` Sergei Shtylyov
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