Re: [PATCH v2 6/6] drivers/pci/hyperv/arm64: vPCI MSI IRQ domain from DT

From: Roman Kisel <romank@linux.microsoft.com>
To: Bjorn Helgaas <helgaas@kernel.org>
Cc: Saurabh Singh Sengar <ssengar@linux.microsoft.com>,
	arnd@arndb.de, bhelgaas@google.com, bp@alien8.de,
	catalin.marinas@arm.com, dave.hansen@linux.intel.com,
	decui@microsoft.com, haiyangz@microsoft.com, hpa@zytor.com,
	kw@linux.com, kys@microsoft.com, lenb@kernel.org,
	lpieralisi@kernel.org, mingo@redhat.com, mhklinux@outlook.com,
	rafael@kernel.org, robh@kernel.org, tglx@linutronix.de,
	wei.liu@kernel.org, will@kernel.org, linux-acpi@vger.kernel.org,
	linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-pci@vger.kernel.org, x86@kernel.org, ssengar@microsoft.com,
	sunilmut@microsoft.com, vdso@hexbites.dev
Subject: Re: [PATCH v2 6/6] drivers/pci/hyperv/arm64: vPCI MSI IRQ domain from DT
Date: Tue, 11 Jun 2024 07:40:05 -0700	[thread overview]
Message-ID: <be1a6a4c-252e-468b-be67-1ddd158ba957@linux.microsoft.com> (raw)
In-Reply-To: <20240607195501.GA858122@bhelgaas>

On 6/7/2024 12:55 PM, Bjorn Helgaas wrote:
> On Wed, May 15, 2024 at 01:12:38PM -0500, Bjorn Helgaas wrote:
>> On Wed, May 15, 2024 at 09:34:09AM -0700, Roman Kisel wrote:
>>>
>>>
>>> On 5/15/2024 2:48 AM, Saurabh Singh Sengar wrote:
>>>> On Tue, May 14, 2024 at 03:43:53PM -0700, Roman Kisel wrote:
>>>>> The hyperv-pci driver uses ACPI for MSI IRQ domain configuration
>>>>> on arm64 thereby it won't be able to do that in the VTL mode where
>>>>> only DeviceTree can be used.
>>>>>
>>>>> Update the hyperv-pci driver to discover interrupt configuration
>>>>> via DeviceTree.
>>>>
>>>> Subject prefix should be "PCI: hv:"
> 
> I forgot to also suggest that the subject line begin with a verb,
> e.g., "Get vPCI MSI IRQ domain from DT" or similar, again so it reads
> consistently with previous commits.
> 
> Oh, I see patch 5/6, "Get the irq number from DeviceTree" is also very
> similar.  It would be nice if they matched, e.g., both used "IRQ" and
> "DT".
> 
> Bjorn

Will update, thanks! Going to send another version during the next week 
most likely.

-- 
Thank you,
Roman