From: Maxim Levitsky <maximlevitsky@gmail.com>
To: "stanley.miao" <stanley.miao@windriver.com>
Cc: Alex Dubov <oakad@yahoo.com>,
Artem Bityutskiy <dedekind1@gmail.com>, joern <joern@logfs.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
linux-mtd <linux-mtd@lists.infradead.org>,
Thomas Gleixner <tglx@linutronix.de>,
David Woodhouse <dwmw2@infradead.org>
Subject: Re: [PATCH 13/17] MTD: export few functions from nand_base.c
Date: Fri, 05 Feb 2010 11:30:34 +0200 [thread overview]
Message-ID: <1265362234.15383.14.camel@maxim-laptop> (raw)
In-Reply-To: <4B6B8338.5060608@windriver.com>
On Fri, 2010-02-05 at 10:32 +0800, stanley.miao wrote:
> Maxim Levitsky wrote:
> > This exports:
> >
> > nand_do_read_oob
> > nand_do_write_oob
> >
>
> nand_do_read_oob and nand_do_write_oob can't be exported. They are internal
> functions in NAND subsystem. If you want use them, please use mtd->read_oob
> and mtd->write_oob.
I would be happy to use these, and I tried to do so.
However this leads to deadlock, because ->block_bad can (and is) called
with controller lock (nand_get_device), thus if I call ->read_oob I will
get deadlock.
Best regards,
Maxim Levitsky
next prev parent reply other threads:[~2010-02-05 9:30 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-04 23:30 [PATCH V6] Work to enable SmartMedia/xD support Maxim Levitsky
2010-02-04 23:30 ` [PATCH 01/17] MTD: create lockless versions of {get, put}_mtd_device This will be used to resolve deadlock in block translation layer Maxim Levitsky
2010-02-04 23:30 ` [PATCH 02/17] blktrans: nuke mtd_blkcore_priv and make both thread and disk queue be per device Maxim Levitsky
2010-02-04 23:30 ` [PATCH 03/17] blktrans: track open and close calls Maxim Levitsky
2010-02-04 23:30 ` [PATCH 04/17] blktrans: don't free mtd_blktrans_dev, core will do that for you Maxim Levitsky
2010-02-04 23:30 ` [PATCH 05/17] blktrans: add proper locking Maxim Levitsky
2010-02-04 23:30 ` [PATCH 06/17] blktrans: flush all requests before we remove the device Maxim Levitsky
2010-02-04 23:30 ` [PATCH 07/17] blktrans: allow FTL drivers to export sysfs attributes Maxim Levitsky
2010-02-04 23:30 ` [PATCH 08/17] MTD: call remove notifiers before removing the device Maxim Levitsky
2010-02-04 23:30 ` [PATCH 09/17] MTD: nand: make MTD_OOB_PLACE work correctly Maxim Levitsky
2010-02-04 23:30 ` [PATCH 10/17] MTD: nand: make reads using MTD_OOB_RAW affect only ECC validation Maxim Levitsky
2010-02-05 2:48 ` stanley.miao
2010-02-05 8:56 ` Vitaly Wool
2010-02-05 9:25 ` Maxim Levitsky
2010-02-04 23:30 ` [PATCH 11/17] MTD: nand: fix bug that prevented write of more that one page by ->write_oob Maxim Levitsky
2010-02-05 2:25 ` stanley.miao
2010-02-05 9:44 ` Maxim Levitsky
2010-02-05 2:34 ` stanley.miao
2010-02-04 23:30 ` [PATCH 12/17] MTD: nand: make suspend work if device is accessed by kernel threads Maxim Levitsky
2010-02-04 23:30 ` [PATCH 13/17] MTD: export few functions from nand_base.c Maxim Levitsky
2010-02-05 2:32 ` stanley.miao
2010-02-05 9:30 ` Maxim Levitsky [this message]
2010-02-05 17:05 ` Maxim Levitsky
2010-02-04 23:30 ` [PATCH 14/17] MTD: common module for smartmedia/xD support Maxim Levitsky
2010-02-04 23:30 ` [PATCH 15/17] MTD: add few workarounds to nand system for SmartMedia/xD chips Maxim Levitsky
2010-02-04 23:30 ` [PATCH 16/17] MTD: Add nand driver for ricoh xD/SmartMedia reader Maxim Levitsky
2010-02-04 23:30 ` [PATCH 17/17] MTD: Add new SmartMedia/xD FTL Maxim Levitsky
-- strict thread matches above, loose matches on Subject: below --
2010-01-30 15:02 [PATCH V5] Work to enable SmartMedia/xD support Maxim Levitsky
2010-01-30 15:02 ` [PATCH 13/17] MTD: export few functions from nand_base.c Maxim Levitsky
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