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Date:   Wed, 30 Dec 2020 16:23:56 -0500 (EST)
From:   Nicolas Pitre <npitre@...libre.com>
To:     Arnd Bergmann <arnd@...nel.org>
cc:     Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Nathan Chancellor <natechancellor@...il.com>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Boris Brezillon <boris.brezillon@...labora.com>,
        Arnd Bergmann <arnd@...db.de>, linux-i3c@...ts.infradead.org,
        linux-kernel@...r.kernel.org, clang-built-linux@...glegroups.com
Subject: Re: [PATCH] i3c/master/mipi-i3c-hci: re-fix __maybe_unused
 attribute

On Wed, 30 Dec 2020, Arnd Bergmann wrote:

> From: Arnd Bergmann <arnd@...db.de>
> 
> clang warns because the added __maybe_unused attribute is in
> the wrong place:
> 
> drivers/i3c/master/mipi-i3c-hci/core.c:780:21: error: attribute declaration must precede definition [-Werror,-Wignored-attributes]
> static const struct __maybe_unused of_device_id i3c_hci_of_match[] = {
>                     ^
> include/linux/compiler_attributes.h:267:56: note: expanded
> 
> Fixes: 95393f3e07ab ("i3c/master/mipi-i3c-hci: quiet maybe-unused variable warning")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Acked-by: Nicolas Pitre <npitre@...libre.com>

This might be the 3rd patch from 3 different people fixing the same 
thing. Looks like I3C maintainer is on vacation. Please feel free to 
send this trivial fix upstream some other way.

> ---
>  drivers/i3c/master/mipi-i3c-hci/core.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/i3c/master/mipi-i3c-hci/core.c b/drivers/i3c/master/mipi-i3c-hci/core.c
> index 500abd27fb22..1b73647cc3b1 100644
> --- a/drivers/i3c/master/mipi-i3c-hci/core.c
> +++ b/drivers/i3c/master/mipi-i3c-hci/core.c
> @@ -777,7 +777,7 @@ static int i3c_hci_remove(struct platform_device *pdev)
>  	return 0;
>  }
>  
> -static const struct __maybe_unused of_device_id i3c_hci_of_match[] = {
> +static const __maybe_unused struct of_device_id i3c_hci_of_match[] = {
>  	{ .compatible = "mipi-i3c-hci", },
>  	{},
>  };
> -- 
> 2.29.2
> 
> 

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