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From: Olof Johansson <olof@lixom.net>
To: Michael Ellerman <michael@ellerman.id.au>
Cc: linuxppc-dev@ozlabs.org
Subject: Re: [PATCH v2] [POWERPC] pasemi: Implement MSI support
Date: Wed, 12 Dec 2007 01:23:10 -0600	[thread overview]
Message-ID: <20071212072310.GA3173@lixom.net> (raw)
In-Reply-To: <1197442179.24356.3.camel@concordia>

On Wed, Dec 12, 2007 at 05:49:39PM +1100, Michael Ellerman wrote:
> Before the ugliness spreads .. I'm pretty sure we can get this from the
> chip_data of the virq - I haven't fixed it though because I wasn't sure
> if using chip_data was kosher or not.

Hmm, maybe.

I can forsee MSI and legacy interrupts being handled by different irq
hosts on systems where they are cascaded, so I'm not 100% sure that's a
workable way to do it (I assume you'd look it up through the pci_dev's
legacy irq field, right?).


-Olof

  reply	other threads:[~2007-12-12  7:18 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-12-12  6:34 [PATCH] [POWERPC] pasemi: Implement MSI support Olof Johansson
2007-12-12  6:44 ` [PATCH v2] " Olof Johansson
2007-12-12  6:49   ` Michael Ellerman
2007-12-12  7:23     ` Olof Johansson [this message]
2007-12-12 22:51       ` Michael Ellerman
2007-12-12 23:18         ` Michael Ellerman

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