From: Artem Bityutskiy <dedekind1@gmail.com>
To: hong.xu@atmel.com
Cc: linux-mtd@lists.infradead.org, David.Woodhouse@intel.com,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 1/2] MTD: atmel_nand: Update Kconfig to support PMECC
Date: Sat, 17 Dec 2011 17:33:36 +0200 [thread overview]
Message-ID: <1324136016.4240.48.camel@sauron.fi.intel.com> (raw)
In-Reply-To: <4EE6B160.3000201@atmel.com>
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On Tue, 2011-12-13 at 09:58 +0800, Hong Xu wrote:
> PMECC is not compatible with the old HW ECC engine. It currently needs
> around 700 lines of C code to make it work. If we do not have a way to
> exclude the PMECC related code at compiling time, my quick testing shows
> that the driver code size will be doubled if some old SoCs do not
> support it. This sounds not good. What's your opinion?
Well, depends on its size. Say, if it is about 8KiB - then doubling it
is probably not a big deal.
--
Best Regards,
Artem Bityutskiy
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From: dedekind1@gmail.com (Artem Bityutskiy)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/2] MTD: atmel_nand: Update Kconfig to support PMECC
Date: Sat, 17 Dec 2011 17:33:36 +0200 [thread overview]
Message-ID: <1324136016.4240.48.camel@sauron.fi.intel.com> (raw)
In-Reply-To: <4EE6B160.3000201@atmel.com>
On Tue, 2011-12-13 at 09:58 +0800, Hong Xu wrote:
> PMECC is not compatible with the old HW ECC engine. It currently needs
> around 700 lines of C code to make it work. If we do not have a way to
> exclude the PMECC related code at compiling time, my quick testing shows
> that the driver code size will be doubled if some old SoCs do not
> support it. This sounds not good. What's your opinion?
Well, depends on its size. Say, if it is about 8KiB - then doubling it
is probably not a big deal.
--
Best Regards,
Artem Bityutskiy
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next prev parent reply other threads:[~2011-12-17 15:33 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-08 6:53 [PATCH 1/2] MTD: atmel_nand: Update Kconfig to support PMECC Hong Xu
2011-12-08 6:53 ` Hong Xu
2011-12-08 6:53 ` [PATCH 2/2] MTD: atmel_nand: Update driver code to support Programmable HW ECC controller Hong Xu
2011-12-08 6:53 ` Hong Xu
2011-12-12 20:58 ` [PATCH 1/2] MTD: atmel_nand: Update Kconfig to support PMECC Artem Bityutskiy
2011-12-12 20:58 ` Artem Bityutskiy
2011-12-13 1:14 ` Hong Xu
2011-12-13 1:14 ` Hong Xu
2011-12-13 1:58 ` Hong Xu
2011-12-13 1:58 ` Hong Xu
2011-12-17 15:33 ` Artem Bityutskiy [this message]
2011-12-17 15:33 ` Artem Bityutskiy
2011-12-19 1:58 ` Hong Xu
2011-12-19 1:58 ` Hong Xu
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