From: Scott Wood <scottwood@freescale.com>
To: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Cc: linuxppc-dev@ozlabs.org, linux-kernel@vger.kernel.org,
linux-ide@vger.kernel.org
Subject: Re: [PATCH 1/2] [IDE] Platform IDE driver
Date: Wed, 25 Jul 2007 14:17:41 -0500 [thread overview]
Message-ID: <46A7A1D5.7020003@freescale.com> (raw)
In-Reply-To: <46A7A17C.8090505@ru.mvista.com>
Sergei Shtylyov wrote:
>> It doesn't buy us anything in here, but it's conceivable that someone
>> may want to write a driver that uses a shift in the I/O accessor
>> rather than an array of port offsets,
>
>
> It wouldn't be IDE driver then, and neither it would be libata which
> also does this another way this (despite pata_platform uses shifts too
> -- not in the accessors, so no speed loss).
The device tree is not just for Linux.
>> equivalent of the cntlzw innstruction, and shift makes it clear that
>> the stride must be power-of-two). Plus, using shift is consistent
>> with what we do on ns16550.
>
>
> Why the heck should we care about the UART code taling about IDE?!
Consistency?
> So, let me consider your argument purely speculative and invalid. ;-)
Consider it whatever you want. :-)
-Scott
next prev parent reply other threads:[~2007-07-25 19:17 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-25 16:53 [PATCH 1/2] [IDE] Platform IDE driver (was: MMIO IDE driver) Vitaly Bordug
2007-07-25 16:53 ` [PATCH 2/2] [POWERPC] MPC8349E-mITX: use platform IDE driver for CF interface Vitaly Bordug
2007-07-25 17:06 ` Sergei Shtylyov
2007-07-25 17:54 ` Sergei Shtylyov
2007-07-25 18:01 ` Scott Wood
2007-07-25 18:19 ` Sergei Shtylyov
2007-07-25 18:39 ` Scott Wood
2007-07-25 19:30 ` Sergei Shtylyov
2007-07-26 16:24 ` Sergei Shtylyov
2007-07-31 22:47 ` Segher Boessenkool
2007-07-25 18:29 ` Sergei Shtylyov
2007-07-25 18:46 ` Scott Wood
2007-07-26 17:21 ` Vitaly Bordug
2007-07-26 17:45 ` Sergei Shtylyov
2007-07-31 22:36 ` Segher Boessenkool
2007-07-31 23:56 ` Alan Cox
2007-08-06 17:19 ` Segher Boessenkool
2007-08-01 13:11 ` Sergei Shtylyov
2007-07-26 17:12 ` Vitaly Bordug
2007-07-25 17:29 ` Scott Wood
2007-07-25 17:43 ` [PATCH 1/2] [IDE] Platform IDE driver (was: MMIO IDE driver) Alan Cox
2007-07-26 19:28 ` Bartlomiej Zolnierkiewicz
2007-07-25 17:59 ` Kumar Gala
2007-07-25 19:00 ` Sergei Shtylyov
2007-07-25 19:05 ` Scott Wood
2007-07-25 19:16 ` Sergei Shtylyov
2007-07-25 19:17 ` Scott Wood [this message]
2007-07-25 19:35 ` [PATCH 1/2] [IDE] Platform IDE driver Sergei Shtylyov
2007-07-31 22:31 ` Segher Boessenkool
2007-08-01 12:39 ` Sergei Shtylyov
2007-08-06 17:16 ` Segher Boessenkool
2007-07-25 19:37 ` [PATCH 1/2] [IDE] Platform IDE driver (was: MMIO IDE driver) Guennadi Liakhovetski
2007-07-25 19:48 ` Sergei Shtylyov
2007-07-25 19:54 ` Guennadi Liakhovetski
2007-07-25 20:01 ` Sergei Shtylyov
2007-07-25 20:09 ` Guennadi Liakhovetski
2007-07-25 20:39 ` Alan Cox
2007-07-26 19:41 ` Guennadi Liakhovetski
2007-07-26 19:52 ` Sergei Shtylyov
2007-07-26 20:13 ` Guennadi Liakhovetski
2007-07-26 20:11 ` Bartlomiej Zolnierkiewicz
2007-07-26 19:28 ` Bartlomiej Zolnierkiewicz
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