linux-kernel - Re: [PATCH 08/21] clk: clkdev: Ignore suggestion to use gnu

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Date:   Fri, 12 Feb 2021 09:36:20 +0000
From:   Lee Jones <lee.jones@...aro.org>
To:     Stephen Boyd <sboyd@...nel.org>, arnd@...nel.org
Cc:     linux-kernel@...r.kernel.org, Russell King <linux@...linux.org.uk>,
        linux-arm-kernel@...ts.infradead.org, linux-kbuild@...r.kernel.org
Subject: Re: [PATCH 08/21] clk: clkdev: Ignore suggestion to use gnu_printf()
 as it's not appropriate here

On Thu, 11 Feb 2021, Stephen Boyd wrote:

> Quoting Lee Jones (2021-01-26 04:45:27)
> > Fixes the following W=1 kernel build warning(s):
> > 
> >  drivers/clk/clkdev.c: In function ‘vclkdev_alloc’:
> >  drivers/clk/clkdev.c:173:3: warning: function ‘vclkdev_alloc’ might be a candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format]
> > 
> > Cc: Russell King <linux@...linux.org.uk>
> > Cc: linux-arm-kernel@...ts.infradead.org
> > Signed-off-by: Lee Jones <lee.jones@...aro.org>
> > ---
> >  drivers/clk/clkdev.c | 7 +++++++
> >  1 file changed, 7 insertions(+)
> > 
> > diff --git a/drivers/clk/clkdev.c b/drivers/clk/clkdev.c
> > index 0f2e3fcf0f19f..5e5f25d568724 100644
> > --- a/drivers/clk/clkdev.c
> > +++ b/drivers/clk/clkdev.c
> > @@ -153,6 +153,11 @@ struct clk_lookup_alloc {
> >         char    con_id[MAX_CON_ID];
> >  };
> >  
> > +#pragma GCC diagnostic push
> > +#ifndef __clang__
> > +#pragma GCC diagnostic ignored "-Wsuggest-attribute=format"
> > +#endif
> 
> Can this be some macro banished to compiler.h?

This is probably a question for Arnd.

-- 
Lee Jones [李琼斯]
Senior Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
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