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From: Sinan Kaya <okaya@codeaurora.org>
To: Michael Ellerman <mpe@ellerman.id.au>,
	linux-pci@vger.kernel.org, timur@codeaurora.org
Cc: linux-arm-msm@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Paul Mackerras <paulus@samba.org>,
	Tyrel Datwyler <tyreld@linux.vnet.ibm.com>,
	Rob Herring <robh@kernel.org>, Bhumika Goyal <bhumirks@gmail.com>,
	"open list:LINUX FOR POWERPC (32-BIT AND 64-BIT)"
	<linuxppc-dev@lists.ozlabs.org>,
	open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH V4 02/26] powerpc/PCI: deprecate pci_get_bus_and_slot()
Date: Tue, 19 Dec 2017 07:24:39 -0500	[thread overview]
Message-ID: <4ef64790-5ad1-c5e5-af80-7bf4ef3abdee@codeaurora.org> (raw)
In-Reply-To: <87fu879fki.fsf@concordia.ellerman.id.au>

On 12/19/2017 5:29 AM, Michael Ellerman wrote:
> Sinan Kaya <okaya@codeaurora.org> writes:
> 
>> pci_get_bus_and_slot() is restrictive such that it assumes domain=0 as
>> where a PCI device is present. This restricts the device drivers to be
>> reused for other domain numbers.
>>
>> Getting ready to remove pci_get_bus_and_slot() function in favor of
>> pci_get_domain_bus_and_slot().
>>
>> Use pci_get_domain_bus_and_slot() with a domain number of 0 as the code
>> is not ready to consume multiple domains and existing code used domain
>> number 0.
>>
>> Signed-off-by: Sinan Kaya <okaya@codeaurora.org>
>> ---
>>  arch/powerpc/kernel/pci_32.c              | 3 ++-
>>  arch/powerpc/platforms/powermac/feature.c | 2 +-
>>  arch/powerpc/sysdev/mv64x60_pci.c         | 4 ++--
>>  3 files changed, 5 insertions(+), 4 deletions(-)
> 
> Looks to do what it says. I don't know if any of these call sites could
> be improved to provide the domain, but that's not really your problem.
> 

I tried to fix the places where I can at the rest of the series. I even took
a stab at fixing powerpc. There were places where the domain information was
not available and I couldn't locate where to extract it. I decided to leave it
as it is and hope that someone someday may expand the powerpc PCI adaptation. 

> Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)
> 
> cheers
> 


-- 
Sinan Kaya
Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc.
Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.

  reply	other threads:[~2017-12-19 12:24 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1513661883-28662-1-git-send-email-okaya@codeaurora.org>
2017-12-19  5:37 ` [PATCH V4 02/26] powerpc/PCI: deprecate pci_get_bus_and_slot() Sinan Kaya
2017-12-19 10:29   ` Michael Ellerman
2017-12-19 12:24     ` Sinan Kaya [this message]
2017-12-19  5:37 ` [PATCH V4 12/26] powerpc/powermac: " Sinan Kaya

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