lkml.org 
[lkml]   [2011]   [Feb]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v2] Driver core: convert platform_{get,set}_drvdata to static inline functions
Hello,

On Wed, Feb 16, 2011 at 11:23:27PM +0100, Marc Kleine-Budde wrote:
> This patch converts the macros for platform_{get,set}_drvdata to
> static inline functions to add typechecking.
>
> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
> ---
> Changes since v1:
> - remove ugly macro magic, use static inline functions instead
>
> include/linux/platform_device.h | 11 +++++++++--
> 1 files changed, 9 insertions(+), 2 deletions(-)
>
> diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h
> index 2e700ec..d96db98 100644
> --- a/include/linux/platform_device.h
> +++ b/include/linux/platform_device.h
> @@ -130,8 +130,15 @@ extern void platform_driver_unregister(struct platform_driver *);
> extern int platform_driver_probe(struct platform_driver *driver,
> int (*probe)(struct platform_device *));
>
> -#define platform_get_drvdata(_dev) dev_get_drvdata(&(_dev)->dev)
> -#define platform_set_drvdata(_dev,data) dev_set_drvdata(&(_dev)->dev, (data))
> +static inline void *platform_get_drvdata(const struct platform_device *pdev)
> +{
> + return dev_get_drvdata(&pdev->dev);
> +}
> +
> +static inline void platform_set_drvdata(struct platform_device *pdev, void *data)
> +{
> + dev_set_drvdata(&pdev->dev, data);
> +}
Another improvement would be to make dev_set_drvdata and
platform_set_drvdata return an int (as dev_set_drvdata can fail) (and
then maybe mark it __must_check).

Other than that,

Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

Best regards
Uwe

--
Pengutronix e.K. | Uwe Kleine-König |
Industrial Linux Solutions | http://www.pengutronix.de/ |
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
\
 
 \ /
  Last update: 2011-02-17 09:49    [from the cache]
©2003-2014 Jasper Spaans. Advertise on this site