Re: [PATCH V2] AHCI: Workaround for ThunderX Errata#22536

From	Tirumalesh Chalamarla <tchalamarla@caviumnetworks.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH V2] AHCI: Workaround for ThunderX Errata#22536
Date	2016-02-16 20:40 +0100
Message-ID	<r2TDA-3Mh-11@gated-at.bofh.it> (permalink)
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On 02/16/2016 06:42 AM, Robert Richter wrote:
> On 15.02.16 13:30:41, Tejun Heo wrote:
>> On Sun, Feb 14, 2016 at 07:36:18PM -0800, Tirumalesh Chalamarla wrote:
>>> There is no need for special Driver, AHCI is sufficient for ThunderX, the
>>> file only contains this interrupt handler,
>>> is it preferable if this interrupt handler in libahci.c with others, instead
>>> of separate file?
>>
>> Yeap, just fold it in ahci.c with surrounding #ifdef guard.
>
> Yes, please use #ifdef CONFIG_CAVIUM_ERRATUM_22536 ... and add a
> kconfig entry for this to arch/arm64/Kconfig.
>
Are you sure, this is not a workaround that is based on alternative 
framework rather on pci device and vendor

do you think CONFIG_ARCH_THUNDER a good alternative?



> -Robert
>

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[PATCH V2] AHCI: Workaround for ThunderX Errata#22536 <tchalamarla@caviumnetworks.com> - 2016-02-13 00:30 +0100
  Re: [PATCH V2] AHCI: Workaround for ThunderX Errata#22536 Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> - 2016-02-13 18:00 +0100
  Re: [PATCH V2] AHCI: Workaround for ThunderX Errata#22536 Tejun Heo <tj@kernel.org> - 2016-02-14 18:10 +0100
    Re: [PATCH V2] AHCI: Workaround for ThunderX Errata#22536 Tirumalesh Chalamarla <tchalamarla@caviumnetworks.com> - 2016-02-15 05:00 +0100
      Re: [PATCH V2] AHCI: Workaround for ThunderX Errata#22536 Tejun Heo <tj@kernel.org> - 2016-02-15 19:40 +0100
        Re: [PATCH V2] AHCI: Workaround for ThunderX Errata#22536 Robert Richter <rric@kernel.org> - 2016-02-16 15:50 +0100
          Re: [PATCH V2] AHCI: Workaround for ThunderX Errata#22536 David Daney <ddaney@caviumnetworks.com> - 2016-02-16 20:40 +0100
            Re: [PATCH V2] AHCI: Workaround for ThunderX Errata#22536 Tirumalesh Chalamarla <tchalamarla@caviumnetworks.com> - 2016-02-16 21:00 +0100
              Re: [PATCH V2] AHCI: Workaround for ThunderX Errata#22536 Robert Richter <rric@kernel.org> - 2016-02-16 22:20 +0100
                Re: [PATCH V2] AHCI: Workaround for ThunderX Errata#22536 Tirumalesh Chalamarla <tchalamarla@caviumnetworks.com> - 2016-02-17 00:30 +0100
                Re: [PATCH V2] AHCI: Workaround for ThunderX Errata#22536 Will Deacon <will.deacon@arm.com> - 2016-02-17 12:30 +0100
                Re: [PATCH V2] AHCI: Workaround for ThunderX Errata#22536 David Daney <ddaney@caviumnetworks.com> - 2016-02-17 20:00 +0100
                Re: [PATCH V2] AHCI: Workaround for ThunderX Errata#22536 Tejun Heo <tj@kernel.org> - 2016-02-17 21:10 +0100
                Re: [PATCH V2] AHCI: Workaround for ThunderX Errata#22536 Tirumalesh Chalamarla <tchalamarla@caviumnetworks.com> - 2016-02-17 22:50 +0100
          Re: [PATCH V2] AHCI: Workaround for ThunderX Errata#22536 Tirumalesh Chalamarla <tchalamarla@caviumnetworks.com> - 2016-02-16 20:40 +0100

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