Re: [PATCH] RFC: make struct platform_driver.id_table const

From: Ben Dooks
Date: Sun Jan 24 2010 - 20:38:40 EST


On Fri, Jan 22, 2010 at 06:03:57PM +0100, Uwe Kleine-König wrote:
> This fixes a warning on several pxa based machines:
>
> arch/arm/mach-pxa/ssp.c:475: warning: initialization discards qualifiers from pointer target type

this looks sane to me.

> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
> Cc: Eric Miao <eric.miao@xxxxxxxxxxx>
> Cc: Greg Kroah-Hartman <gregkh@xxxxxxx>
> ---
> drivers/base/platform.c | 2 +-
> include/linux/platform_device.h | 4 ++--
> 2 files changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/base/platform.c b/drivers/base/platform.c
> index 58efaf2..962246c 100644
> --- a/drivers/base/platform.c
> +++ b/drivers/base/platform.c
> @@ -578,7 +578,7 @@ static int platform_uevent(struct device *dev, struct kobj_uevent_env *env)
> }
>
> static const struct platform_device_id *platform_match_id(
> - struct platform_device_id *id,
> + const struct platform_device_id *id,
> struct platform_device *pdev)
> {
> while (id->name[0]) {
> diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h
> index 71ff887..3a6201e 100644
> --- a/include/linux/platform_device.h
> +++ b/include/linux/platform_device.h
> @@ -21,7 +21,7 @@ struct platform_device {
> u32 num_resources;
> struct resource * resource;
>
> - struct platform_device_id *id_entry;
> + const struct platform_device_id *id_entry;
>
> /* arch specific additions */
> struct pdev_archdata archdata;
> @@ -62,7 +62,7 @@ struct platform_driver {
> int (*suspend)(struct platform_device *, pm_message_t state);
> int (*resume)(struct platform_device *);
> struct device_driver driver;
> - struct platform_device_id *id_table;
> + const struct platform_device_id *id_table;
> };
>
> extern int platform_driver_register(struct platform_driver *);
> --
> 1.6.6
>
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

--
--
Ben

Q: What's a light-year?
A: One-third less calories than a regular year.

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