linux-kernel - Re: [PATCH v3 14/15] PCI/MSI: pci-xgene-msi: Get rid of struct msi

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Message-ID: <559F85C8.7000403@arm.com>
Date:	Fri, 10 Jul 2015 09:43:52 +0100
From:	Marc Zyngier <marc.zyngier@....com>
To:	Duc Dang <dhdang@....com>
CC:	Bjorn Helgaas <bhelgaas@...gle.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Jiang Liu <jiang.liu@...ux.intel.com>,
	Jason Cooper <jason@...edaemon.net>,
	linux-arm <linux-arm-kernel@...ts.infradead.org>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Yijing Wang <wangyijing@...wei.com>,
	Ma Jun <majun258@...wei.com>,
	Lorenzo Pieralisi <Lorenzo.Pieralisi@....com>
Subject: Re: [PATCH v3 14/15] PCI/MSI: pci-xgene-msi: Get rid of struct msi_controller

Hi Duc,

On 09/07/15 23:12, Duc Dang wrote:
> On Tue, Jul 7, 2015 at 10:18 AM, Marc Zyngier <marc.zyngier@....com> wrote:
>> The XGene MSI driver only uses the msi_controller structure as
>> a way to match the host bridge  with its MSI HW, and thus the
>> msi_domain.
>>
>> But now that we can directly associate an msi_domain with a device,
>> there is no use keeping this msi_controller around.
>>
>> Just remove all traces of msi_controller from the driver.
>>
> Thanks, Marc.
> 
> I tested this patch set and it works on my APM X-Gene evaluation platform.

Ah, thanks! I did that as a side effort, but didn't have a chance to
test it (who the *&%^!! decided to mount this board in a 1U chassis
without an angle bracket for the PCIe bus? Seriously???).

> The xgene_pcie_msi_enable (in driver/pci/host/pci-xgene.c), which is
> used to get msi_controller for X-Gene PCIe port,
> also becomes unnecessary with this patch set. I will post a clean-up
> patch when your changes are accepted.

Yeah, I didn't want to touch too much of it without any testing.

> You can add my tested-by if you want:
> 
> Tested-by: Duc Dang <dhdang@....com>

Thanks a lot for that,

	M.
-- 
Jazz is not dead. It just smells funny...
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