From: marc.zyngier@arm•com (Marc Zyngier)
To: linux-arm-kernel@lists•infradead.org
Subject: Removal of bus->msi assignment breaks MSI with stacked domains
Date: Fri, 21 Nov 2014 10:11:02 +0000 [thread overview]
Message-ID: <546F0FB6.3050404@arm.com> (raw)
In-Reply-To: <546E93DC.8010902@huawei.com>
On 21/11/14 01:22, Yijing Wang wrote:
> On 2014/11/21 0:31, Marc Zyngier wrote:
>> Bjorn, Yijing,
>>
>> I've just realized that patch c167caf8d174 (PCI/MSI: Remove useless
>> bus->msi assignment) completely breaks MSI on arm64 when using the new
>> MSI stacked domain:
>
> Sorry, this is my first part to refactor MSI related code, now
> how to get pci msi_controller depends arch functions(pcibios_msi_controller() or
> arch_setup_msi_irq()), we are working on generic pci_host_bridge, after that,
> we could eventually eliminate MSI arch functions and find pci dev 's msi controller
> by pci_host_bridge->get_msi_controller().
>
> Marc, could you tell me what pci host driver in your test platform ?
I'm using pci-host-generic (with a couple of patches to help it fit the
new "generic pci" infrastructure).
This lives at:
git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git
irq/arm64-pci
Thanks,
M.
--
Jazz is not dead. It just smells funny...
next prev parent reply other threads:[~2014-11-21 10:11 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-20 16:31 Removal of bus->msi assignment breaks MSI with stacked domains Marc Zyngier
2014-11-20 21:53 ` Bjorn Helgaas
2014-11-20 23:10 ` Thomas Gleixner
2014-11-20 23:30 ` Bjorn Helgaas
2014-11-21 9:33 ` Marc Zyngier
2014-11-21 1:54 ` Yijing Wang
2014-11-21 2:25 ` Jiang Liu
2014-11-21 3:46 ` Yijing Wang
2014-11-21 10:00 ` Marc Zyngier
2014-11-21 17:31 ` Bjorn Helgaas
2014-11-22 4:13 ` Yijing Wang
2014-11-21 1:22 ` Yijing Wang
2014-11-21 1:46 ` Thomas Gleixner
2014-11-21 2:03 ` Jiang Liu
2014-11-21 2:12 ` Yijing Wang
2014-11-21 2:05 ` Yijing Wang
2014-11-21 8:46 ` Lucas Stach
2014-11-21 10:29 ` Marc Zyngier
2014-11-21 10:49 ` Thomas Gleixner
2014-11-21 11:30 ` Marc Zyngier
2014-11-21 12:04 ` Yijing Wang
2014-11-21 10:11 ` Marc Zyngier [this message]
2014-11-21 11:57 ` Yijing Wang
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