linux-kernel - Re: [PATCH V3 14/21] x86, ia64: Include acpi_pci_{add|remove}_bus to the default pcibios_{add|remove}

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Message-ID: <5697DED6.3000600@semihalf.com>
Date:	Thu, 14 Jan 2016 18:45:58 +0100
From:	Tomasz Nowicki <tn@...ihalf.com>
To:	Lorenzo Pieralisi <lorenzo.pieralisi@....com>
Cc:	bhelgaas@...gle.com, arnd@...db.de, will.deacon@....com,
	catalin.marinas@....com, rjw@...ysocki.net, hanjun.guo@...aro.org,
	okaya@...eaurora.org, jiang.liu@...ux.intel.com,
	Stefano.Stabellini@...citrix.com,
	robert.richter@...iumnetworks.com, mw@...ihalf.com,
	Liviu.Dudau@....com, ddaney@...iumnetworks.com, tglx@...utronix.de,
	wangyijing@...wei.com, Suravee.Suthikulpanit@....com,
	msalter@...hat.com, linux-pci@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org, linaro-acpi@...ts.linaro.org,
	jchandra@...adcom.com, jcm@...hat.com
Subject: Re: [PATCH V3 14/21] x86, ia64: Include acpi_pci_{add|remove}_bus to
 the default pcibios_{add|remove}_bus implementation.

On 01/14/2016 05:33 PM, Lorenzo Pieralisi wrote:
> On Wed, Jan 13, 2016 at 02:21:00PM +0100, Tomasz Nowicki wrote:
>> Arches in subject are the only one who use pcibios_{add|remove}_bus hooks
> "x86 and ia64 are the only arches that implement..."
>
>> and implement it in the same way. Moreover ARM64 is going to do the same.
> "implement them"
>
>> So it seams that acpi_pci_{add|remove}_bus is generic enough to be default
> s/seams/seems
>
>> option for pcibios_{add|remove}_bus hooks. Also, it is always safe to run
>> acpi_pci_{add|remove}_bus as they have empty stubs for !ACPI case and
>> return if ACPI has been switched off in run time.
>>
>> After all we can remove x86 and ia64 pcibios_{add|remove}_bus
>> implementation.
> I think you should rephrase the commit log and fix the typos.
yes, I will.
>> Signed-off-by: Tomasz Nowicki <tn@...ihalf.com>
>> ---
>>   arch/ia64/pci/pci.c   | 10 ----------
>>   arch/x86/pci/common.c | 10 ----------
>>   drivers/pci/probe.c   |  3 +++
>>   3 files changed, 3 insertions(+), 20 deletions(-)
> Patch seems fine to me, I do not see why moving the acpi calls into
> generic code would create issues (and why it has not been done before)
> as you mentioned in the commit log, so:
>
> Reviewed-by: Lorenzo Pieralisi <lorenzo.pieralisi@....com>
Thanks,
Tomasz