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From: Marek Szyprowski <m.szyprowski@samsung.com>
To: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>,
	Support Opensource <support.opensource@diasemi.com>,
	Lee Jones <lee.jones@linaro.org>,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
	Tony Lindgren <tony@atomide.com>,
	linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org,
	linux-omap@vger.kernel.org, patches@opensource.cirrus.com
Subject: Re: [PATCH 5/7] mfd: sec: Simplify getting of_device_id match data
Date: Tue, 20 Apr 2021 07:25:28 +0200
Message-ID: <64fb91ae-c754-fb25-0ef7-17b2f1b8a1e4@samsung.com> (raw)
In-Reply-To: <20210419081726.67867-5-krzysztof.kozlowski@canonical.com>


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@canonical.com>
> ---
>   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


  reply index

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-19  8:17 [PATCH 1/7] mfd: max8997: " Krzysztof Kozlowski
2021-04-19  8:17 ` [PATCH 2/7] mfd: max8998: " Krzysztof Kozlowski
2021-04-19  8:17 ` [PATCH 3/7] mfd: da9052: " Krzysztof Kozlowski
2021-04-19 11:00   ` Adam Thomson
2021-04-19  8:17 ` [PATCH 4/7] " Krzysztof Kozlowski
2021-04-19 11:00   ` Adam Thomson
2021-04-19 11:04   ` Krzysztof Kozlowski
2021-04-19  8:17 ` [PATCH 5/7] mfd: sec: " Krzysztof Kozlowski
2021-04-20  5:25   ` Marek Szyprowski [this message]
2021-04-20  7:03     ` Krzysztof Kozlowski
2021-04-20  7:12       ` Marek Szyprowski
2021-04-20  7:25         ` Krzysztof Kozlowski
2021-04-19  8:17 ` [PATCH 6/7] mfd: wm831x: Correct kerneldoc Krzysztof Kozlowski
2021-04-19  8:41   ` Charles Keepax
2021-04-19  8:17 ` [PATCH 7/7] mfd: twl: " Krzysztof Kozlowski

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