[PATCH] module: fix mutiple defined issue
Russell King - ARM Linux
linux at arm.linux.org.uk
Mon Apr 29 02:51:39 PDT 2013
On Mon, Apr 29, 2013 at 02:32:01PM +0900, Inki Dae wrote:
> This patch fixes mutiple defined issue to MODULE_DEVICE_TABLE
>
> The issue could be induced when some framework which includes two
> more sub drivers, is built as one moudle because those sub drivers
> could have their own MODULE_DEVICE_TABLE.
>
> And 'struct of_device_id' isn't needed to be determined by type
> argument because the definition of 'of_device_id' should be fixed.
> So this patch makes 'of_devce_id' definition to be fixed and
> only its instance name to be defined by type.
>
> Signed-off-by: Inki Dae <inki.dae at samsung.com>
> ---
> include/linux/module.h | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/include/linux/module.h b/include/linux/module.h
> index 46f1ea0..ac5d79f 100644
> --- a/include/linux/module.h
> +++ b/include/linux/module.h
> @@ -84,7 +84,7 @@ void trim_init_extable(struct module *m);
>
> #ifdef MODULE
> #define MODULE_GENERIC_TABLE(gtype,name) \
> -extern const struct gtype##_id __mod_##gtype##_table \
> +extern const struct of_device_id __mod_##gtype##_table \
> __attribute__ ((unused, alias(__stringify(name))))
>
> #else /* !MODULE */
This patch (a) looks wrong (why would a generic device table be limited
to of_device_id when it could be ISAPNP or something else?) and (b) how
does changing the type fix the "multiple defined issue" ? (c) include
the errors that you're fixing in the commit log.
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