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From: Thomas Gleixner <tglx@linutronix.de>
To: Ben Dooks <ben@fluff.org.uk>
Cc: linux-mtd@lists.infradead.org
Subject: Re: Read/nBusy via interrupt
Date: Fri, 29 Oct 2004 01:13:43 +0200	[thread overview]
Message-ID: <1099005223.22387.501.camel@thomas> (raw)
In-Reply-To: <20041028230640.GB13105@home.fluff.org>

On Fri, 2004-10-29 at 00:06 +0100, Ben Dooks wrote:
> Does anyone here have any comments over the pros/cons of using
> an interrupt which goes off to wait for a NAND flash ready/not-busy
> signal?

Sure.

- It makes totaly sense for long lasting operations like program/erase.
- It's overkill for read operations.

You can make it work by supplying a wait function, which implements the
irq driven wait for program/erase. Don't forget the timeout !

tglx

  reply	other threads:[~2004-10-28 23:21 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-10-28 23:06 Read/nBusy via interrupt Ben Dooks
2004-10-28 23:13 ` Thomas Gleixner [this message]
2004-10-28 23:43 ` Aras Vaichas
2004-10-29  7:33   ` Thomas Gleixner
2004-10-29  9:56     ` Aras Vaichas
2004-10-29  9:57       ` jasmine
2004-10-29 10:16       ` Thomas Gleixner
2004-11-01  0:01         ` Aras Vaichas

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