Re: [PATCH v5 0/3] MTD: OneNAND: multiblock erase support

From: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
To: Mika Korhonen <ext-mika.2.korhonen@nokia.com>,
	Adrian Hunter <adrian.hunter@nokia.com>
Cc: amul.saha@samsung.com, Kyungmin Park <kyungmin.park@samsung.com>,
	linux-mtd@lists.infradead.org
Subject: Re: [PATCH v5 0/3] MTD: OneNAND: multiblock erase support
Date: Tue, 20 Oct 2009 11:57:19 +0300	[thread overview]
Message-ID: <1256029039.29856.145.camel@localhost> (raw)
In-Reply-To: <1255341165-1972-1-git-send-email-ext-mika.2.korhonen@nokia.com>

Similarly, waiting for Adrian to review this. He said he'll do soon.

On Mon, 2009-10-12 at 12:52 +0300, Mika Korhonen wrote:
> (v5) Adjust patches to apply on current tree. Use __func__ in printk's.
>      Fix mistakes found by K. Park.
> 
> (v4) This patch series is a reworked version of
> 
> http://lists.infradead.org/pipermail/linux-mtd/2009-September/027138.html
> http://lists.infradead.org/pipermail/linux-mtd/2009-September/027139.html
> http://lists.infradead.org/pipermail/linux-mtd/2009-September/027140.html
> 
> based on comments by Adrian Hunter and Kyungmin Park. This version should
> address the issues pointed out by them.
> 
> The original patch is:
> http://lists.infradead.org/pipermail/linux-mtd/2009-June/026130.html
> 
> I split the original patch in two for readability: the first part extracts
> the execution of erase command to a separate function for easier integration
> of different erase method. The second part implements the multiblock erase
> function in case multiple blocks are requested to be erased and the chip is
> not Flex.
> 
> This is useful for flashing applications that need to do their work as
> fast as possible. For full 64 eraseblock case the erase speed is up to 30x
> faster. (Samsung: 64 MB/s vs 2.1 GB/s, I got 1.4 GB/s on Linux kernel)
> 
> 
> Mika Korhonen (3):
>   MTD: OneNAND: move erase method to a separate function
>   MTD: OneNAND: multiblock erase support
>   MTD: OneNAND: fix double printing of function name
> 
>  drivers/mtd/onenand/omap2.c        |   22 +++-
>  drivers/mtd/onenand/onenand_base.c |  289 +++++++++++++++++++++++++++++------
>  include/linux/mtd/flashchip.h      |    4 +-
>  include/linux/mtd/onenand_regs.h   |    2 +
>  4 files changed, 262 insertions(+), 55 deletions(-)
> 
> 
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-- 
Best Regards,
Artem Bityutskiy (Артём Битюцкий)