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Date: Tue, 20 Jul 2010 12:20:53 +0200
From: Marc Kleine-Budde <mkl@pengutronix.de>
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Subject: Re: [PATCH 1/2] mxc_nand: fix Unbalanced enable for IRQ
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Hey Artem,

Artem Bityutskiy wrote:
> On Thu, 2010-06-10 at 16:03 +0200, Eric B=C3=A9nard wrote:
>> * preset should be done before sending the reset command
>>
>> * without this, I get the following error on an i.MX35 :
>> [    0.900000] ------------[ cut here ]------------
>> [    0.900000] WARNING: at kernel/irq/manage.c:290 __enable_irq+0x4c/0=
x88()
>> [    0.900000] Unbalanced enable for IRQ 33
>> [    0.900000] Modules linked in:
>> [    0.900000] [<c002ffb8>] (unwind_backtrace+0x0/0xf0) from [<c02f7d0=
c>] (dump_stack+0x18/0x1c)
>> [    0.900000] [<c02f7d0c>] (dump_stack+0x18/0x1c) from [<c0049a44>] (=
warn_slowpath_common+0x54/0x6c)
>> [    0.900000] [<c0049a44>] (warn_slowpath_common+0x54/0x6c) from [<c0=
049b00>] (warn_slowpath_fmt+0x38/0x40)
>> [    0.900000] [<c0049b00>] (warn_slowpath_fmt+0x38/0x40) from [<c008f=
65c>] (__enable_irq+0x4c/0x88)
>> [    0.900000] [<c008f65c>] (__enable_irq+0x4c/0x88) from [<c008fca0>]=
 (enable_irq+0x54/0x98)
>> [    0.900000] [<c008fca0>] (enable_irq+0x54/0x98) from [<c021e618>] (=
wait_op_done+0x40/0x134)
>> [    0.900000] [<c021e618>] (wait_op_done+0x40/0x134) from [<c021e808>=
] (send_cmd+0x30/0x38)
> ....
>=20
> Pushed to l2-mtd-2.6.git / master

Current mainline has (still) this problem, too. Is there any change to
get this patch into 2.6.35 before the release?

cheers, Marc

--=20
Pengutronix e.K.                  | Marc Kleine-Budde           |
Industrial Linux Solutions        | Phone: +49-231-2826-924     |
Vertretung West/Dortmund          | Fax:   +49-5121-206917-5555 |
Amtsgericht Hildesheim, HRA 2686  | http://www.pengutronix.de   |


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