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From: John Rose <johnrose@austin.ibm.com>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: External List <linuxppc-dev@ozlabs.org>,
	Paul Mackerras <paulus@samba.org>
Subject: Re: [PATCH] use msleep() for RTAS delays
Date: Thu, 01 Jun 2006 10:55:49 -0500	[thread overview]
Message-ID: <1149177349.9812.16.camel@sinatra.austin.ibm.com> (raw)
In-Reply-To: <1149139866.28307.32.camel@localhost.localdomain>

Hi Ben-

> What about putting this whole thing in a helper ? There is a few more
> things I've seen floating around implementing the exact same logic (for
> example Jake's MSI patches).

I don't mind writing this up.  The previous patch fixes a reported bug
with minimal reorg.  If possible, I'd like to restructure on top of
that.

> Or something inside rtas_call
> 
> rtas_call_waitbusy(...);

Certain RTAS calls expect identical inputs between successive calls,
while others (ibm,change-msi) expect modified "sequence" inputs, etc. 
Given this inconsistency, we probably can't handle busy rcs inside
rtas_call().

Thanks-
John

  parent reply	other threads:[~2006-06-01 16:18 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-05-31 19:32 [PATCH] use msleep() for RTAS delays John Rose
2006-06-01  5:31 ` Benjamin Herrenschmidt
2006-06-01  5:39   ` Paul Mackerras
2006-06-01 18:09     ` Arnd Bergmann
2006-06-01 15:55   ` John Rose [this message]
2006-06-01 22:25     ` John Rose
2006-06-02 20:30       ` [PATCH] reorg RTAS delay code John Rose
2006-06-02 21:33         ` Nathan Lynch
2006-06-05 21:31           ` John Rose
2006-06-05 21:54             ` Nathan Lynch
2006-06-10  2:04             ` Anton Blanchard
2006-06-10  2:08               ` Anton Blanchard
2006-06-12 16:18                 ` John Rose
     [not found]                   ` <17553.4390.79327.634945@cargo.ozlabs.ibm.com>
2006-06-15 22:32                     ` [PATCH] powerpc: RTAS delay, fix module build breaks John Rose
2006-07-13 18:20             ` [PATCH] reorg RTAS delay code Nathan Lynch
2006-07-25  4:39               ` Haren Myneni

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