linux-kernel - Re: metag test failure in -next due to commit 'module: relocate module

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Date:	Fri, 05 Jun 2015 17:39:13 -0700
From:	Guenter Roeck <linux@...ck-us.net>
To:	James Hogan <james.hogan@...tec.com>,
	Paul Gortmaker <paul.gortmaker@...driver.com>
CC:	linux-kernel@...r.kernel.org, linux-metag@...r.kernel.org,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jslaby@...e.cz>
Subject: Re: metag test failure in -next due to commit 'module: relocate module_init
 from init.h to module.h'

On 06/05/2015 02:39 PM, James Hogan wrote:
[ ... ]
>
>  From e12856c559d7dff2ad4f6497996610e12e7c7e2d Mon Sep 17 00:00:00 2001
> From: James Hogan <james.hogan@...tec.com>
> Date: Fri, 5 Jun 2015 22:17:18 +0100
> Subject: [PATCH] tty/metag_da: Avoid module_init/module_exit
> MIME-Version: 1.0
> Content-Type: text/plain; charset=UTF-8
> Content-Transfer-Encoding: 8bit
>
> The metag_da TTY driver can't get built as a module at the moment, but
> it still uses module_init() and module_exit(). Those macros are moving
> to module.h which isn't included by metag_da.c, which will result in the
> following build warnings (remarkably no build errors) and an apparent
> failure to boot as the TTY driver won't be loaded.
>
> drivers/tty/metag_da.c:660: warning: data definition has no type or storage class
> drivers/tty/metag_da.c:660: warning: type defaults to ‘int’ in declaration of ‘module_init’
> drivers/tty/metag_da.c:660: warning: parameter names (without types) in function declaration
> drivers/tty/metag_da.c:661: warning: data definition has no type or storage class
> drivers/tty/metag_da.c:661: warning: type defaults to ‘int’ in declaration of ‘module_exit’
> drivers/tty/metag_da.c:661: warning: parameter names (without types) in function declaration
> drivers/tty/metag_da.c:572: warning: ‘dashtty_init’ defined but not used
> drivers/tty/metag_da.c:645: warning: ‘dashtty_exit’ defined but not used
> drivers/tty/metag_da.c In function ‘dash_console_write’:
> drivers/tty/metag_da.c:670 : warning: passing argument 4 of ‘chancall’ discards qualifiers from pointer target type
>
> Instead of just adding the module.h include, now would be a good time to
> remove the use of these macros, replacing the module_init with
> device_initcall, and removing the exit function altogether since it
> isn't needed. If module support is added later the code can always be
> resurrected.
>
> Reported-by: Guenter Roeck <linux@...ck-us.net>
> Signed-off-by: James Hogan <james.hogan@...tec.com>
> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Cc: Jiri Slaby <jslaby@...e.cz>
> Cc: Paul Gortmaker <paul.gortmaker@...driver.com>
> Cc: linux-metag@...r.kernel.org

Yes, that does the trick.

Tested-by: Guenter Roeck <linux@...ck-us.net>

Thanks,
Guenter

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