From: Andrew Morton <akpm@linux-foundation.org>
To: David Brownell <david-b@pacbell.net>
Cc: cooloney@kernel.org, linux-mtd@lists.infradead.org,
linux-kernel@vger.kernel.org, michael.hennerich@analog.com
Subject: Re: [RESEND PATCH 2.6.26-git 1/2] MTD DataFlash: bugfix, binary page sizes now handled (v3)
Date: Tue, 29 Jul 2008 15:00:52 -0700 [thread overview]
Message-ID: <20080729150052.80e558db.akpm@linux-foundation.org> (raw)
In-Reply-To: <200807251549.12565.david-b@pacbell.net>
On Fri, 25 Jul 2008 15:49:12 -0700
David Brownell <david-b@pacbell.net> wrote:
> This fixes a bug in handling certain newer DataFlash chips (at45db321d
> and at45db642d have current Linux users) when they were configured to
> use binary page sizes (possibly at the factory).
>
> - Use JEDEC probing (borrowed from m25p80 driver) to tell if the chip
> supports binary page sizes ... if so, then query the chip to tell
> whether it's currently using them.
>
> - Print that pagesize during probe; erasesize is still listed in
> the /proc/mtd file, useful for making filesystems.
>
> Also fix a pre-existing bug with 2 MBit parts using the wrong pagesize;
> these are a bit smaller than Linux would normally use (even shared with
> a small FPGA's configuration bitstream).
I'm not sure what kernel this is against, but it gets a reject storm
against 2.6.27-rc1. As does [2/2].
WARNING: multiple messages have this Message-ID (diff)
From: Andrew Morton <akpm@linux-foundation.org>
To: David Brownell <david-b@pacbell.net>
Cc: cooloney@kernel.org, michael.hennerich@analog.com,
linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [RESEND PATCH 2.6.26-git 1/2] MTD DataFlash: bugfix, binary page sizes now handled (v3)
Date: Tue, 29 Jul 2008 15:00:52 -0700 [thread overview]
Message-ID: <20080729150052.80e558db.akpm@linux-foundation.org> (raw)
In-Reply-To: <200807251549.12565.david-b@pacbell.net>
On Fri, 25 Jul 2008 15:49:12 -0700
David Brownell <david-b@pacbell.net> wrote:
> This fixes a bug in handling certain newer DataFlash chips (at45db321d
> and at45db642d have current Linux users) when they were configured to
> use binary page sizes (possibly at the factory).
>
> - Use JEDEC probing (borrowed from m25p80 driver) to tell if the chip
> supports binary page sizes ... if so, then query the chip to tell
> whether it's currently using them.
>
> - Print that pagesize during probe; erasesize is still listed in
> the /proc/mtd file, useful for making filesystems.
>
> Also fix a pre-existing bug with 2 MBit parts using the wrong pagesize;
> these are a bit smaller than Linux would normally use (even shared with
> a small FPGA's configuration bitstream).
I'm not sure what kernel this is against, but it gets a reject storm
against 2.6.27-rc1. As does [2/2].
next prev parent reply other threads:[~2008-07-29 22:01 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-03 4:26 [PATCH 1/1] MTD DataFlash: fix bug - ATMEL AT45DF321D spi flash card fails to be copied to (v2) Bryan Wu
2008-06-03 4:26 ` Bryan Wu
2008-06-29 5:49 ` David Brownell
2008-06-29 6:21 ` [PATCH 2.6.26-rc8] MTD DataFlash: bugfix, binary page sizes now handled (v3) David Brownell
2008-07-25 22:49 ` [RESEND PATCH 2.6.26-git 1/2] " David Brownell
2008-07-25 22:49 ` David Brownell
2008-07-29 22:00 ` Andrew Morton [this message]
2008-07-29 22:00 ` Andrew Morton
2008-07-29 22:43 ` David Brownell
2008-07-29 22:43 ` David Brownell
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