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)
prev parent 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]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=3C4D779C.B3894752@aminocom.com \
--to=eclarke@aminocom.com \
--cc=linux-mtd@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.