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SubjectRe: [v2] Old platforms: bring out your dead

On 2021/1/15 17:26, Arnd Bergmann wrote:
> On Fri, Jan 15, 2021 at 8:08 AM Wei Xu <> wrote:
>> On 2021/1/14 0:14, Arnd Bergmann wrote:
>>> On Fri, Jan 8, 2021 at 11:55 PM Arnd Bergmann <> 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. 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.

> Arnd
> .

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