Re: [PATCH 03/11] watchdog/at91sam9_wdt: change the wdt_read andwdt_write macro to the inline function

From: Jean-Christophe PLAGNIOL-VILLARD
Date: Fri Nov 16 2012 - 08:50:54 EST


On 15:16 Wed 14 Nov , Wenyou Yang wrote:
> Signed-off-by: Wenyou Yang <wenyou.yang@xxxxxxxxx>
> ---
> drivers/watchdog/at91sam9_wdt.c | 28 ++++++++++++++++++----------
> 1 file changed, 18 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/watchdog/at91sam9_wdt.c b/drivers/watchdog/at91sam9_wdt.c
> index 31c914a..98e7d5a 100644
> --- a/drivers/watchdog/at91sam9_wdt.c
> +++ b/drivers/watchdog/at91sam9_wdt.c
> @@ -34,11 +34,6 @@
>
> #define DRV_NAME "AT91SAM9 Watchdog"
>
> -#define wdt_read(field) \
> - __raw_readl(at91wdt_private.base + field)
> -#define wdt_write(field, val) \
> - __raw_writel((val), at91wdt_private.base + field)
> -
> /* AT91SAM9 watchdog runs a 12bit counter @ 256Hz,
> * use this to convert a watchdog
> * value from/to milliseconds.
> @@ -75,13 +70,24 @@ struct at91wdt_drvdata {
>
> /* ......................................................................... */
>
> +static inline unsigned int wdt_read(struct at91wdt_drvdata *driver_data,
> + unsigned int field)
> +{
> + return __raw_readl(driver_data->base + field);
> +}
> +
> +static inline void wdt_write(struct at91wdt_drvdata *driver_data,
> + unsigned int field, unsigned int val)
> +{
> + __raw_writel((val), driver_data->base + field);
> +}
use relaxed version

Best Regrds,
J.
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