Re: CardBus bridge and wireless card plugged into it use same IRQ: Correct?
- To: Johannes Berg <firstname.lastname@example.org>
- Cc: Wolfgang Pfeiffer <email@example.com>, debian-powerpc list <firstname.lastname@example.org>
- Subject: Re: CardBus bridge and wireless card plugged into it use same IRQ: Correct?
- From: Benjamin Herrenschmidt <email@example.com>
- Date: Thu, 04 Aug 2005 17:23:37 +0200
- Message-id: <1123169017.30257.69.camel@gaston>
- In-reply-to: <1123166417.4848.4.camel@localhost>
- References: <20050803164252.GA25245@localhost> <1123148388.30257.57.camel@gaston> <20050804141246.GB25245@localhost> <1123166417.4848.4.camel@localhost>
On Thu, 2005-08-04 at 16:40 +0200, Johannes Berg wrote:
> On Thu, 2005-08-04 at 16:12 +0200, Wolfgang Pfeiffer wrote:
> > I'm trying to set up a little wifi-network, and it does not always
> > work as it should: With my questions I simply wanted to make sure the
> > IRQ "issue" actually isn't one, and that it is not the source of my
> > wifi troubles...
> It definitely isn't, we just hacked the MOL pciproxy patch to allow
> shared IRQs and now the Broadcom card (Airport Express) works inside
> MOL :)
Hah ? Including DMA & all ? Do you have more than 1Gb of RAM ? I think
these broadcom chips have bugs with memory above 1Gb... The MacOS driver
has hacks to allocate below that limit, I _think_, but those hacks are
defeated under MOL since what MOL thinks is a physical addresses isn't