From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: michael@ellerman.id.au
Cc: Olof Johansson <olof@lixom.net>,
linuxppc-dev@ozlabs.org, linux-pci@atrey.karlin.mff.cuni.cz,
Paul Mackerras <paulus@samba.org>
Subject: Re: [PATCH 6/9] MPIC MSI allocator
Date: Thu, 14 Dec 2006 12:02:28 +1100 [thread overview]
Message-ID: <1166058148.11914.255.camel@localhost.localdomain> (raw)
In-Reply-To: <1166057940.6838.25.camel@concordia.ozlabs.ibm.com>
> if get_property("msi_available")
> mpic_msi_reserve_dt_irqs()
available-msi is a better name now that I think of it, or better even:
"msi-ranges"
> elif is_u3_or_u4()
> mpic_msi_reserve_u3u4_irqs()
> else
> return error
>
> Because if we don't have a firmware property, and we don't make an
> educated guess at what's reserved, then there's a very good chance our
> first MSI will get hwirq 0 and that it won't work.
>
> As far as putting hacks in the MPIC driver .. have you read it
> lately? ;) But seriously, I think if there's anyway these magic numbers
> should be, it is in this code, not the platform code.
Ben.
next prev parent reply other threads:[~2006-12-14 1:02 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-12-13 10:39 [PATCH 0/9] Powerpc MSI Implementation (.. again) Michael Ellerman
2006-12-13 10:39 ` [PATCH 1/9] Add #defines for Hypertransport MSI fields Michael Ellerman
2006-12-13 10:39 ` [PATCH 2/9] Rip out the existing powerpc msi stubs Michael Ellerman
2006-12-13 10:39 ` [PATCH 3/9] Powerpc MSI implementation Michael Ellerman
2006-12-13 10:39 ` [PATCH 4/9] Enable MSI on Powerpc Michael Ellerman
2006-12-13 10:39 ` [PATCH 5/9] RTAS MSI implementation Michael Ellerman
2006-12-13 10:40 ` [PATCH 6/9] MPIC MSI allocator Michael Ellerman
2006-12-13 18:23 ` Olof Johansson
2006-12-13 23:25 ` Benjamin Herrenschmidt
2006-12-14 0:09 ` Olof Johansson
2006-12-14 0:32 ` Benjamin Herrenschmidt
2006-12-14 0:59 ` Michael Ellerman
2006-12-14 1:02 ` Benjamin Herrenschmidt [this message]
2006-12-14 1:06 ` Michael Ellerman
2006-12-14 14:46 ` Segher Boessenkool
2006-12-14 19:44 ` Benjamin Herrenschmidt
2006-12-15 1:47 ` Segher Boessenkool
2006-12-15 1:51 ` Michael Ellerman
2006-12-15 2:28 ` Benjamin Herrenschmidt
2006-12-15 2:58 ` Segher Boessenkool
2006-12-15 6:42 ` Olof Johansson
2006-12-14 1:06 ` Olof Johansson
2006-12-14 0:34 ` Michael Ellerman
2006-12-13 10:40 ` [PATCH 7/9] MPIC MSI backend Michael Ellerman
2006-12-13 10:40 ` [PATCH 9/9] Enable MSI mappings for MPIC Michael Ellerman
2006-12-13 10:40 ` [PATCH 8/9] Activate MSI on Powerpc Michael Ellerman
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