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Date:   Fri, 1 Jan 2021 15:47:55 +0100
From:   John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>
To:     Naresh Kamboju <naresh.kamboju@...aro.org>,
        open list <linux-kernel@...r.kernel.org>,
        linux-sh@...r.kernel.org, lkft-triage@...ts.linaro.org
Cc:     Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Rich Felker <dalias@...c.org>
Subject: Re: [sh] smp-shx3.c: error: ignoring return value of 'request_irq',
 declared with attribute warn_unused_result

Hello Naresh!

On 12/9/20 6:26 PM, Naresh Kamboju wrote:
> Linux next 20201209 tag the arch 'sh' defconfig build failed to build with
> gcc-8, gcc-9 and gcc-10.
> 
> arch/sh/kernel/cpu/sh4a/smp-shx3.c: In function 'shx3_prepare_cpus':
> arch/sh/kernel/cpu/sh4a/smp-shx3.c:76:3: error: ignoring return value
> of 'request_irq', declared with attribute warn_unused_result
> [-Werror=unused-result]
>    request_irq(104 + i, ipi_interrupt_handler,
>    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>         IRQF_PERCPU, "IPI", (void *)(long)i);
>         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> 
> Reported-by: Naresh Kamboju <naresh.kamboju@...aro.org>

I can't reproduce this issue on Linus' current tree as of today.

Maybe the issue has been fixed in the meantime?

Adrian

-- 
 .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer - glaubitz@...ian.org
`. `'   Freie Universitaet Berlin - glaubitz@...sik.fu-berlin.de
  `-    GPG: 62FF 8A75 84E0 2956 9546  0006 7426 3B37 F5B5 F913

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