linux-kernel - Re: [PATCH] maple: remove unneeded maple_bus

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Date:   Wed, 01 Feb 2023 20:05:21 +0100
From:   John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org
Cc:     linux-sh@...r.kernel.org,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Rich Felker <dalias@...c.org>,
        Hans de Goede <hdegoede@...hat.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Linux Kernel Functional Testing <lkft@...aro.org>,
        Naresh Kamboju <naresh.kamboju@...aro.org>
Subject: Re: [PATCH] maple: remove unneeded maple_bus_uevent() callback.

Hi Greg!

On Wed, 2023-02-01 at 13:56 +0100, Greg Kroah-Hartman wrote:
> The driver core recently changed the uevent bus callback to take a const
> pointer, and the maple_bus_uevent() was not correctly fixed up.  Instead
> of fixing the function parameter types, just remove the callback
> entirely as it does not do anything, so it is not necessary.
> 
> Cc: Yoshinori Sato <ysato@...rs.sourceforge.jp>
> Cc: Rich Felker <dalias@...c.org>
> Cc: Hans de Goede <hdegoede@...hat.com>
> Cc: "Rafael J. Wysocki" <rafael@...nel.org>
> Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>
> Reported-by: Naresh Kamboju <naresh.kamboju@...aro.org>
> Fixes: 2a81ada32f0e ("driver core: make struct bus_type.uevent() take a const *")
> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> ---
> sh maintainers, I'll take this through my tree as that's where the
> offending commit is that causes the build breakage.
> 
>  drivers/sh/maple/maple.c | 7 -------
>  1 file changed, 7 deletions(-)
> 
> diff --git a/drivers/sh/maple/maple.c b/drivers/sh/maple/maple.c
> index e24e220e56ee..e05473c5c267 100644
> --- a/drivers/sh/maple/maple.c
> +++ b/drivers/sh/maple/maple.c
> @@ -760,12 +760,6 @@ static int maple_match_bus_driver(struct device *devptr,
>  	return 0;
>  }
>  
> -static int maple_bus_uevent(struct device *dev,
> -			    struct kobj_uevent_env *env)
> -{
> -	return 0;
> -}
> -
>  static void maple_bus_release(struct device *dev)
>  {
>  }
> @@ -782,7 +776,6 @@ static struct maple_driver maple_unsupported_device = {
>  struct bus_type maple_bus_type = {
>  	.name = "maple",
>  	.match = maple_match_bus_driver,
> -	.uevent = maple_bus_uevent,
>  };
>  EXPORT_SYMBOL_GPL(maple_bus_type);

Through which tree is this supposed to be picked up?

FWIW, we have set up a new SH tree now, but I am not designated as an official
SH maintainer yet which is what I would like to become in order to support
Rich Felker.

Adrian 

-- 
 .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer
`. `'   Physicist
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