Re: [PATCH 5/7] mfd: sec: Simplify getting of_device_id match data

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On 19.04.2021 10:17, Krzysztof Kozlowski wrote:
> Use of_device_get_match_data() to make the code slightly smaller.
>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxx>
> ---
>   drivers/mfd/sec-core.c | 9 +++------
>   1 file changed, 3 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/mfd/sec-core.c b/drivers/mfd/sec-core.c
> index 8d55992da19e..3126c39f3203 100644
> --- a/drivers/mfd/sec-core.c
> +++ b/drivers/mfd/sec-core.c
> @@ -10,6 +10,7 @@
>   #include <linux/slab.h>
>   #include <linux/i2c.h>
>   #include <linux/of.h>
> +#include <linux/of_device.h>
>   #include <linux/of_irq.h>
>   #include <linux/interrupt.h>
>   #include <linux/pm_runtime.h>
> @@ -324,12 +325,8 @@ static inline unsigned long sec_i2c_get_driver_data(struct i2c_client *i2c,
>   						const struct i2c_device_id *id)
>   {
>   #ifdef CONFIG_OF
> -	if (i2c->dev.of_node) {
> -		const struct of_device_id *match;
> -
> -		match = of_match_node(sec_dt_match, i2c->dev.of_node);
> -		return (unsigned long)match->data;
> -	}
> +	if (i2c->dev.of_node)
> +		return (unsigned long)of_device_get_match_data(&i2c->dev);
>   #endif

Does it make any sense to keep the #ifdef CONFIG_OF after this change? I 
would also skip (i2c->dev.of_node) check, because 
of_device_get_match_data() already does that (although indirectly).

>   	return id->driver_data;
>   }

Best regards
-- 
Marek Szyprowski, PhD
Samsung R&D Institute Poland




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