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From: Elizabeth Clarke <eclarke@aminocom.com>
To: linux-mtd@lists.infradead.org
Subject: Re: Self Answer & NAND driver wait queue init problem
Date: Tue, 22 Jan 2002 14:30:52 +0000	[thread overview]
Message-ID: <3C4D779C.B3894752@aminocom.com> (raw)
In-Reply-To: 20010913145341.A21279@hartford.siteprotect.co.kr

Kim Jong-chan wrote back in september last year!:
> Finally, I've solved the problem.
> The answer is that wq of struct nand_chip is not initialized.
> So I suggest... nand_scan() in nand.c
> 
>     /* Initialize state and spinlock */
>     this->state = FL_READY;
>     spin_lock_init(&this->chip_lock);
> 
>     /* Initialize wait queue : fixed by Adelinux */
> >   init_waitqueue_head(&this->wq);
> 
>     /* De-select the device */
>     nand_deselect ();
> 
> I've looked up MTD drivers code of other chips. And I think wq must be
> initialized. Otherwise, wake_up will kill the system.

I've just been caught by this too, so the/a fix didn't get into CVS...
Is Kim's fix a good one, if so can someone check it in please? If it
isn't what is the Right Thing to do?....


Beth

-- 
Chief Engineer - Software
Amino Communications Ltd
01954 784523 (Direct Line)

      reply	other threads:[~2002-01-22 14:21 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-09-12  6:55 NAND flash driver x86 port problem Kim Jong-chan
2001-09-13  5:53 ` Self Answer & NAND driver wait queue init problem Kim Jong-chan
2002-01-22 14:30   ` Elizabeth Clarke [this message]

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