linux-kernel - Re: [PATCH] amba: make amba

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Message-ID: <ZthphmT8pqV3eFk1@smile.fi.intel.com>
Date: Wed, 4 Sep 2024 17:07:02 +0300
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: "Russell King (Oracle)" <linux@...linux.org.uk>
Cc: Kunwu Chan <kunwu.chan@...ux.dev>, krzk@...nel.org,
	andi.shyti@...nel.org, robh@...nel.org, gregkh@...uxfoundation.org,
	suzuki.poulose@....com, linux-kernel@...r.kernel.org,
	Kunwu Chan <chentao@...inos.cn>
Subject: Re: [PATCH] amba: make amba_bustype constant

On Wed, Sep 04, 2024 at 02:58:36PM +0100, Russell King (Oracle) wrote:
> On Thu, Aug 29, 2024 at 09:31:29AM +0800, Kunwu Chan wrote:
> > Thanks for the reply.
> > On 2024/8/28 21:17, Andy Shevchenko wrote:
> > > On Wed, Aug 28, 2024 at 10:51:54AM +0800, Kunwu Chan wrote:
> > > > On 2024/8/27 21:37, Andy Shevchenko wrote:
> > > > > On Tue, Aug 27, 2024 at 03:45:31PM +0800, Kunwu Chan wrote:
> > > > > > On 2024/8/26 18:40, Andy Shevchenko wrote:
> > > > > > > On Mon, Aug 26, 2024 at 06:08:11PM +0800, Kunwu Chan wrote:

...

> > > > > > > Make it patch series:
> > > > > > > 1) patch that introduces exported function called dev_is_amba() (1 patch)
> > > > Done.
> > > > > > > 2) convert user-by-user (N patches)
> > > > I've no idea about how to modify, such as in iommu.c:
> > > Oh, crap. Yes, this need more thinking.
> > > Anyway, Russell is okay with your initial patch, the rest can be done
> > > separately. For now probably we can leave it exported for this only case.
> > > 
> > Anyway, thanks for the suggestion, i'll   introduce the dev_is_amba function
> > 
> > and  add the Suggested tag for you.
> > 
> > If you have a better idea and need me to do it, you can always contact me.
> 
> General policy is not to add stuff that doesn't have any users. From
> what I can see from briefly reading this discussion, and looking at
> the patches submitted to me, the dev_is_amba() patch adds a helper,
> but as yet there are no users - and not even any patches on a mailing
> list to make use of this helper. Therefore, I won't be applying that
> patch.
> 
> Good idea, but it needs users...

I agree, we need at least a couple of user to convert.

> Please note that I likely won't be reading further discussion (see
> my signature below, and I'm having the same op on the other eye -
> which is the only eye suitable for screen work at the moment -
> this Friday.)

Oh, wish you a successful op and fast recovery!

-- 
With Best Regards,
Andy Shevchenko