From: Wei Xu <xuwei5@hisilicon.com>
To: Arnd Bergmann <arnd@kernel.org>,
"Leizhen (ThunderTown)" <thunder.leizhen@huawei.com>
Cc: "Linux ARM" <linux-arm-kernel@lists.infradead.org>,
"Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>,
"Krzysztof Adamski" <krzysztof.adamski@nokia.com>,
"Oleksij Rempel" <o.rempel@pengutronix.de>,
"Baruch Siach" <baruch@tkos.co.il>,
"Russell King - ARM Linux" <linux@armlinux.org.uk>,
"Daniel Tang" <dt.tangr@gmail.com>,
"Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>,
"Jamie Iles" <jamie@jamieiles.com>,
"Barry Song" <song.bao.hua@hisilicon.com>,
"Viresh Kumar" <viresh.kumar@linaro.org>,
"Linus Walleij" <linus.walleij@linaro.org>,
"Jonas Jensen" <jonas.jensen@gmail.com>,
"Marc Gonzalez" <marc.w.gonzalez@free.fr>,
"Hartley Sweeten" <hsweeten@visionengravers.com>,
"Lubomir Rintel" <lkundrak@v3.sk>,
"Neil Armstrong" <narmstrong@baylibre.com>,
"Shawn Guo" <shawnguo@kernel.org>,
"Alex Elder" <elder@linaro.org>,
"Alexander Shiyan" <shc_work@mail.ru>,
"Koen Vandeputte" <koen.vandeputte@ncentric.com>,
"Hans Ulli Kroll" <ulli.kroll@googlemail.com>,
"Vladimir Zapolskiy" <vz@mleia.com>,
"Steven Rostedt" <rostedt@goodmis.org>,
"Yoshinori Sato" <ysato@users.sourceforge.jp>,
"Mark Salter" <msalter@redhat.com>,
"Michael Ellerman" <mpe@ellerman.id.au>,
"Geert Uytterhoeven" <geert+renesas@glider.be>,
"Thomas Bogendoerfer" <tsbogend@alpha.franken.de>,
"Tony Prisk" <linux@prisktech.co.nz>,
"Krzysztof Halasa" <khalasa@piap.pl>,
xuwei5@hisilicon.com
Subject: Re: [v2] Old platforms: bring out your dead
Date: Mon, 18 Jan 2021 18:46:05 +0800 [thread overview]
Message-ID: <600566ED.40906@hisilicon.com> (raw)
In-Reply-To: <CAK8P3a3wXPANtLwPOHUqWw_EtdVwOJhwmUeT5WZbc7XKiyK7mQ@mail.gmail.com>
Hi Arnd,
On 2021/1/15 20:04, Arnd Bergmann wrote:
> On Fri, Jan 15, 2021 at 12:09 PM Leizhen (ThunderTown)
> <thunder.leizhen@huawei.com> wrote:
>> On 2021/1/15 17:26, Arnd Bergmann wrote:
>>> On Fri, Jan 15, 2021 at 8:08 AM Wei Xu <xuwei5@hisilicon.com> wrote:
>>>> On 2021/1/14 0:14, Arnd Bergmann wrote:
>>>>> On Fri, Jan 8, 2021 at 11:55 PM Arnd Bergmann <arnd@kernel.org> wrote:
>>>>> * mmp -- added in 2009, DT support is active, but board files might go
>>>>> * cns3xxx -- added in 2010, last fixed in 2019, probably no users left
>>>>> * hisi (hip01/hip05) -- servers added in 2013, replaced with arm64 in 2016
>>>>
>>>> I think it is OK to drop the support of the hip01(arm32) and hip05(arm64).
>>>> Could you also help to drop the support of the hip04(arm32) which I think nobody use as well?
>>>
>>> Thank you for your reply! I actually meant to write hip04 instead of hip05,
>>> so I was only asking about the two 32-bit targets. I would expect that
>>> hip05 still has a few users, but wouldn't mind removing that as well if you
>>> are sure there are none.
>>>
>>> Since Zhen Lei is starting to upstream Kunpeng506 and Kunpeng509
>>> support, can you clarify how much reuse of IP blocks there is between
>>> hip04 and those? In particular, hip04 has custom code for (at least)
>>> platmcpm, clk, irqchip, ethernet, and hw_rng, probably more as those
>>> were only the ones I see on a quick grep.
>>>
>>> If we remove hip04, should we remove all these drivers right away,
>>> or keep some of them around?
>>
>> I think the drivers should be kept.
>
> Ok, will do.
>
>> Currently, at least hip04_eth.c and irq-hip04.c are used. These drivers
>> were originally written for Hip04, but the drivers used by other boards
>> maybe similar to them. Therefore, these drivers are extended without
>> adding new drivers.
>
> Right, so the other chips just use compatible="hisilicon,hip04-intc"
> etc. in their device trees? Is there a public copy of the dts files
> somewhere that I can use for cross-referencing? Sorry if I'm
> messing up the timeline for your upstreaming plans.
>
> It might actually be easier to leave hip01 and hip04 in the
> tree for the moment until you have upstreamed the other SoC
> support, and then we clean up by removing the unused bits
> afterwards. I'll leave it to you both to tell me which way is easier
> for you.
I have aligned with Leizhen and as you suggested it is better to keep them
for the moment.
Thanks!
Best Regards,
Wei
>
> Arnd
> .
>
next prev parent reply other threads:[~2021-01-18 11:17 UTC|newest]
Thread overview: 121+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-08 22:55 Old platforms: bring out your dead Arnd Bergmann
2021-01-08 23:32 ` Steven Rostedt
2021-01-09 22:04 ` Arnd Bergmann
2021-01-08 23:44 ` Thomas Bogendoerfer
2021-01-09 0:16 ` Linus Walleij
2021-01-09 17:32 ` Florian Fainelli
2021-01-09 21:59 ` Arnd Bergmann
2021-01-09 5:56 ` Willy Tarreau
2021-01-09 21:52 ` Arnd Bergmann
2021-01-10 6:21 ` Willy Tarreau
2021-01-10 10:44 ` Russell King - ARM Linux admin
2021-01-11 9:50 ` David Laight
2021-01-13 10:27 ` Andy Shevchenko
2021-01-13 12:02 ` Linus Walleij
2021-01-13 12:17 ` Andy Shevchenko
2021-01-13 12:21 ` Andy Shevchenko
2021-01-15 0:03 ` Bernd Petrovitsch
2021-01-15 0:24 ` William Breathitt Gray
2021-01-15 8:59 ` David Laight
2021-01-13 12:30 ` William Breathitt Gray
2021-01-13 12:56 ` William Breathitt Gray
2021-01-13 13:44 ` Arnd Bergmann
2021-02-04 21:01 ` Pavel Machek
2021-02-05 9:13 ` David Laight
2021-02-05 9:29 ` Pavel Machek
2021-01-09 17:34 ` Florian Fainelli
2021-01-09 21:18 ` Arnd Bergmann
2021-01-09 17:43 ` Russell King - ARM Linux admin
2021-01-09 21:34 ` Arnd Bergmann
2021-01-11 20:09 ` Russell King - ARM Linux admin
2021-01-09 20:19 ` Baruch Siach
2021-01-09 21:19 ` Arnd Bergmann
[not found] ` <67171E13-6786-4B44-A8C2-3302963B055F@gmail.com>
2021-01-09 22:20 ` Arnd Bergmann
2021-01-10 18:12 ` Fabian Vogt
2021-01-10 19:20 ` Arnd Bergmann
2021-01-10 21:33 ` Linus Walleij
2021-01-11 0:33 ` Russell King - ARM Linux admin
2021-01-11 12:32 ` Arnd Bergmann
2021-01-11 12:36 ` Russell King - ARM Linux admin
2021-01-09 23:12 ` Andrew Lunn
2021-01-10 8:45 ` Arnd Bergmann
2021-01-10 16:46 ` Andrew Lunn
2021-01-10 17:27 ` Arnd Bergmann
2021-01-10 19:51 ` Andrew Lunn
2021-01-10 15:51 ` Neil Armstrong
2021-01-10 15:56 ` Arnd Bergmann
2021-01-10 17:35 ` John Paul Adrian Glaubitz
2021-01-10 21:46 ` Sam Ravnborg
2021-01-11 8:05 ` John Paul Adrian Glaubitz
2021-01-11 14:55 ` chase rayfield
2021-01-12 0:26 ` Rob Landley
2021-01-12 0:50 ` chase rayfield
2021-01-12 14:37 ` John Paul Adrian Glaubitz
2021-01-11 18:09 ` Rob Landley
2021-01-11 15:04 ` Gerhard Pircher
2021-01-12 14:44 ` John Paul Adrian Glaubitz
2021-01-12 22:46 ` Linus Walleij
2021-01-13 8:09 ` Rob Landley
2021-01-13 8:21 ` Geert Uytterhoeven
2021-01-13 13:25 ` Rob Landley
2021-01-13 12:02 ` Andy Shevchenko
2021-01-13 8:15 ` Geert Uytterhoeven
2021-01-13 10:39 ` Arnd Bergmann
2021-01-14 3:54 ` New platforms: bring out your dead, was " Finn Thain
2021-01-14 9:41 ` John Paul Adrian Glaubitz
2021-01-14 9:48 ` Geert Uytterhoeven
2021-01-14 21:21 ` Arnd Bergmann
2021-01-14 22:54 ` Undesirable code, was Re: Old platforms etc Finn Thain
2021-01-14 23:09 ` Old platforms: bring out your dead Max Filippov
2021-01-15 8:31 ` Arnd Bergmann
2021-01-13 0:12 ` Old platforms never die, was " Finn Thain
2021-01-16 6:54 ` Rob Landley
2021-01-16 23:22 ` Finn Thain
2021-01-13 11:47 ` Andy Shevchenko
2021-01-11 1:39 ` Daniel Palmer
2021-01-11 9:15 ` John Paul Adrian Glaubitz
2021-01-11 9:20 ` Geert Uytterhoeven
2021-01-11 9:26 ` John Paul Adrian Glaubitz
2021-01-11 9:36 ` Geert Uytterhoeven
2021-01-11 9:50 ` Greg Ungerer
2021-01-11 9:42 ` Daniel Palmer
2021-01-11 10:13 ` Arnd Bergmann
2021-01-11 8:19 ` Geert Uytterhoeven
2021-01-11 8:59 ` Arnd Bergmann
2021-01-11 9:16 ` Geert Uytterhoeven
2021-01-11 10:28 ` Geert Uytterhoeven
2021-01-11 10:37 ` Arnd Bergmann
2021-01-11 9:40 ` Thomas Bogendoerfer
2021-01-11 10:34 ` Arnd Bergmann
2021-01-11 8:40 ` efm32 is dead [Was: Old platforms: bring out your dead] Uwe Kleine-König
2021-01-11 11:10 ` Old platforms: bring out your dead Viresh Kumar
2021-01-11 19:59 ` Arnd Bergmann
2021-01-11 21:15 ` Mattias Wallin
2021-01-11 21:47 ` Arnd Bergmann
2021-01-11 13:13 ` Marc Gonzalez
2021-01-11 17:29 ` Måns Rullgård
2021-01-11 21:50 ` Arnd Bergmann
2021-01-12 8:23 ` Marc Gonzalez
2021-01-11 14:22 ` Mark Salter
2021-01-11 15:00 ` Arnd Bergmann
2021-01-11 14:44 ` Alexander Shiyan
2021-01-11 14:58 ` Arnd Bergmann
2021-01-11 16:23 ` Sylvain Lemieux
2021-01-11 22:17 ` Alexandre Belloni
2021-01-11 19:58 ` Thomas Petazzoni
2021-01-11 20:10 ` Arnd Bergmann
2021-01-11 20:25 ` Song Bao Hua (Barry Song)
2021-01-12 8:41 ` Marc Gonzalez
2021-01-13 10:30 ` Andy Shevchenko
2021-01-13 11:02 ` Arnd Bergmann
2021-01-13 16:14 ` [v2] " Arnd Bergmann
2021-01-13 19:00 ` Krzysztof Hałasa
2021-01-14 8:51 ` Arnd Bergmann
2021-01-15 7:08 ` Wei Xu
2021-01-15 9:26 ` Arnd Bergmann
2021-01-15 11:09 ` Leizhen (ThunderTown)
2021-01-15 12:04 ` Arnd Bergmann
2021-01-18 10:46 ` Wei Xu [this message]
2021-01-13 22:27 ` Richard Z
2021-02-05 13:37 ` Alexander Lobakin
2021-10-23 17:44 ` Maciej W. Rozycki
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