From: Michal Simek <michal.simek@xilinx.com>
To: Christophe Leroy <christophe.leroy@c-s.fr>,
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Subject: Re: [PATCH 0/2] powerpc: Remove support for ppc405/440 Xilinx platforms
Date: Tue, 31 Mar 2020 12:04:43 +0200 [thread overview]
Message-ID: <d822c806-14c5-4ce7-b559-090b0685fa43@xilinx.com> (raw)
In-Reply-To: <12a1f423-7e54-6423-1c8c-33e221664272@c-s.fr>
On 31. 03. 20 11:49, Christophe Leroy wrote:
>
>
> Le 31/03/2020 à 09:19, Christophe Leroy a écrit :
>>
>>
>> Le 31/03/2020 à 08:59, Michal Simek a écrit :
>>> On 31. 03. 20 8:56, Christophe Leroy wrote:
>>>>
>>>>
>>>> Le 31/03/2020 à 07:30, Michael Ellerman a écrit :
>>>>> Christophe Leroy <christophe.leroy@c-s.fr> writes:
>>>>>> Le 27/03/2020 à 15:14, Andy Shevchenko a écrit :
>>>>>>> On Fri, Mar 27, 2020 at 02:22:55PM +0100, Arnd Bergmann wrote:
>>>>>>>> On Fri, Mar 27, 2020 at 2:15 PM Andy Shevchenko
>>>>>>>> <andriy.shevchenko@linux.intel.com> wrote:
>>>>>>>>> On Fri, Mar 27, 2020 at 03:10:26PM +0200, Andy Shevchenko wrote:
>>>>>>>>>> On Fri, Mar 27, 2020 at 01:54:33PM +0100, Arnd Bergmann wrote:
>>>>>>>>>>> On Fri, Mar 27, 2020 at 1:12 PM Michal Simek
>>>>>>>>>>> <michal.simek@xilinx.com> wrote:
>>>>>>> ...
>>>>>>>
>>>>>>>>>>> It does raise a follow-up question about ppc40x though: is it
>>>>>>>>>>> time to
>>>>>>>>>>> retire all of it?
>>>>>>>>>>
>>>>>>>>>> Who knows?
>>>>>>>>>>
>>>>>>>>>> I have in possession nice WD My Book Live, based on this
>>>>>>>>>> architecture, and I
>>>>>>>>>> won't it gone from modern kernel support. OTOH I understand that
>>>>>>>>>> amount of real
>>>>>>>>>> users not too big.
>>>>>>>>>
>>>>>>>>> +Cc: Christian Lamparter, whom I owe for that WD box.
>>>>>>>>
>>>>>>>> According to https://openwrt.org/toh/wd/mybooklive, that one is
>>>>>>>> based on
>>>>>>>> APM82181/ppc464, so it is about several generations newer than
>>>>>>>> what I
>>>>>>>> asked about (ppc40x).
>>>>>>>>
>>>>>>>>>> Ah, and I have Amiga board, but that one is being used only for
>>>>>>>>>> testing, so,
>>>>>>>>>> I don't care much.
>>>>>>>>
>>>>>>>> I think there are a couple of ppc440 based Amiga boards, but again,
>>>>>>>> not 405
>>>>>>>> to my knowledge.
>>>>>>>
>>>>>>> Ah, you are right. No objections from ppc40x removal!
>>>>>>
>>>>>> Removing 40x would help cleaning things a bit. For instance 40x is
>>>>>> the
>>>>>> last platform still having PTE_ATOMIC_UPDATES. So if we can remove
>>>>>> 40x
>>>>>> we can get rid of PTE_ATOMIC_UPDATES completely.
>>>>>>
>>>>>> If no one objects, I can prepare a series to drop support for 40x
>>>>>> completely.
>>>>>>
>>>>>> Michael, any thought ?
>>>>>
>>>>> I have no attachment to 40x, and I'd certainly be happy to have less
>>>>> code in the tree, we struggle to keep even the modern platforms well
>>>>> maintained.
>>>>>
>>>>> At the same time I don't want to render anyone's hardware obsolete
>>>>> unnecessarily. But if there's really no one using 40x then we should
>>>>> remove it, it could well be broken already.
>>>>>
>>>>> So I guess post a series to do the removal and we'll see if anyone
>>>>> speaks up.
>>>>>
>>>>
>>>> Ok, series sent out, see
>>>> https://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=167757
>>>
>>> ok. I see you have done it completely independently of my patchset.
>>> Would be better if you can base it on the top of my 2 patches because
>>> they are in conflict now and I need to also remove virtex 44x platform
>>> also with alsa driver.
>>>
>>
>> I can't see your first patch, only the second one shows up in the
>> series, see
>> https://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=167757
>>
>
>
> Ok, I found your first patch on another patchwork, it doesn't touch any
> file in arch/powerpc/
There was just driver dependency on symbol which is removed by 2/2.
Let's see what you get from kbuild if any symbol is removed but still
used in drivers folder.
>
> I sent a v2 series with your powerpc patch as patch 2/11
>
> See https://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=167766
Thanks,
Michal
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next prev parent reply other threads:[~2020-04-01 7:04 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-27 12:12 [PATCH 0/2] powerpc: Remove support for ppc405/440 Xilinx platforms Michal Simek
2020-03-27 12:12 ` [PATCH 2/2] powerpc: Remove Xilinx PPC405/PPC440 support Michal Simek
2020-03-27 12:54 ` [PATCH 0/2] powerpc: Remove support for ppc405/440 Xilinx platforms Arnd Bergmann
2020-03-27 13:10 ` Andy Shevchenko
2020-03-27 13:15 ` Andy Shevchenko
2020-03-27 13:22 ` Arnd Bergmann
2020-03-27 14:14 ` Andy Shevchenko
2020-03-28 11:17 ` Christophe Leroy
2020-03-31 5:30 ` Michael Ellerman
2020-03-31 6:56 ` Christophe Leroy
2020-03-31 6:59 ` Michal Simek
2020-03-31 7:19 ` Christophe Leroy
2020-03-31 9:49 ` Christophe Leroy
2020-03-31 10:04 ` Michal Simek [this message]
2020-03-31 10:30 ` Christophe Leroy
2020-03-31 17:51 ` Segher Boessenkool
2020-04-01 21:07 ` Arnd Bergmann
2020-04-02 11:04 ` Arnd Bergmann
2020-04-02 10:27 ` Benjamin Herrenschmidt
2020-04-03 4:59 ` Michael Ellerman
2020-04-07 23:32 ` Benjamin Herrenschmidt
2020-04-08 6:28 ` Geert Uytterhoeven
2020-04-08 7:09 ` Christophe Leroy
2020-04-08 12:04 ` Michael Ellerman
2020-04-08 13:23 ` Arnd Bergmann
2020-05-21 7:02 ` Michael Ellerman
2020-05-21 10:38 ` Christophe Leroy
2020-05-21 13:53 ` Michael Ellerman
2020-05-21 14:58 ` Michal Simek
2020-11-25 6:36 ` Christophe Leroy
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