linux-kernel - Re: [PATCH v2 2/2] vsprintf: remove redundant and unused %pCn format specifier

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Message-ID: <Z_TRZSxwzfAZ9u6I@pathway.suse.cz>
Date: Tue, 8 Apr 2025 09:33:57 +0200
From: Petr Mladek <pmladek@...e.com>
To: Luca Ceresoli <luca.ceresoli@...tlin.com>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	"Rafael J. Wysocki" <rafael@...nel.org>,
	Zhang Rui <rui.zhang@...el.com>, Lukasz Luba <lukasz.luba@....com>
Cc: Florian Fainelli <florian.fainelli@...adcom.com>,
	Ray Jui <rjui@...adcom.com>, Scott Branden <sbranden@...adcom.com>,
	Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	Rasmus Villemoes <linux@...musvillemoes.dk>,
	Sergey Senozhatsky <senozhatsky@...omium.org>,
	Jonathan Corbet <corbet@....net>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Alex Shi <alexs@...nel.org>, Yanteng Si <si.yanteng@...ux.dev>,
	Binbin Zhou <zhoubinbin@...ngson.cn>,
	Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Liu Ying <victor.liu@....com>, linux-clk@...r.kernel.org,
	linux-pm@...r.kernel.org, linux-rpi-kernel@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-doc@...r.kernel.org
Subject: Re: [PATCH v2 2/2] vsprintf: remove redundant and unused %pCn format
 specifier

On Mon 2025-04-07 18:46:47, Luca Ceresoli wrote:
> Hello Petr, Daniel,
> 
> On Tue, 11 Mar 2025 15:36:11 +0100
> Petr Mladek <pmladek@...e.com> wrote:
> 
> > On Tue 2025-03-11 10:21:23, Luca Ceresoli wrote:
> > > %pC and %pCn print the same string, and commit 900cca294425 ("lib/vsprintf:
> > > add %pC{,n,r} format specifiers for clocks") introducing them does not
> > > clarify any intended difference. It can be assumed %pC is a default for
> > > %pCn as some other specifiers do, but not all are consistent with this
> > > policy. Moreover there is now no other suffix other than 'n', which makes a
> > > default not really useful.
> > > 
> > > All users in the kernel were using %pC except for one which has been
> > > converted. So now remove %pCn and all the unnecessary extra code and
> > > documentation.
> > > 
> > > Acked-by: Stephen Boyd <sboyd@...nel.org>
> > > Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>
> > > Signed-off-by: Luca Ceresoli <luca.ceresoli@...tlin.com>  
> > 
> > Makes sense. Looks and works well, so:
> > 
> > Reviewed-by: Petr Mladek <pmladek@...e.com>
> > Tested-by: Petr Mladek <pmladek@...e.com>
> > 
> > Daniel, if I get it correctly, you have already taken the 1st patch.
> > Would you mind to take also this patch using the same tree, please?
> > Otherwise, we would need to coordinate pull requests in the upcoming
> > merge window ;-)
> 
> I see none of these two patches in linux-next.

I see.

> Anything I should do? Resend? Or just wait a bit more?

Daniel,	Rafael, Zhang, Lukasz,

would you like to take both patches via the linux-pm.git thermal tree?
Or should I take both patches via the printk tree?
Both ways work for me.

Best Regards,
Petr