linux-kernel - Re: [PATCH v2 5/6] hwmon: (lm70) Avoid undefined reference to match table

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Date:   Fri, 22 Jan 2021 22:09:28 -0800
From:   Guenter Roeck <linux@...ck-us.net>
To:     Stephen Boyd <swboyd@...omium.org>, Rob Herring <robh@...nel.org>
Cc:     linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        Arnd Bergmann <arnd@...db.de>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Jean Delvare <jdelvare@...e.com>,
        Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        linux-hwmon@...r.kernel.org
Subject: Re: [PATCH v2 5/6] hwmon: (lm70) Avoid undefined reference to match
 table

On 1/22/21 7:44 PM, Stephen Boyd wrote:
> We're going to remove of_match_ptr() from the definition of
> of_match_device() when CONFIG_OF=n. This way we can always be certain
> that of_match_device() acts the same when CONFIG_OF is set and when it
> isn't. Add of_match_ptr() here so that this doesn't break when that
> change is made to the of_match_device() API.
> 
> Signed-off-by: Stephen Boyd <swboyd@...omium.org>
> Acked-by: Guenter Roeck <linux@...ck-us.net>
> Cc: Arnd Bergmann <arnd@...db.de>
> Cc: Geert Uytterhoeven <geert@...ux-m68k.org>
> Cc: Jean Delvare <jdelvare@...e.com>
> Cc: Guenter Roeck <linux@...ck-us.net>
> Cc: Rob Herring <robh+dt@...nel.org>
> Cc: Frank Rowand <frowand.list@...il.com>
> Cc: <linux-hwmon@...r.kernel.org>
> ---
> 
> Please ack so Rob can apply.
> 

This patch already has my Acked-by: above.

Guenter

>  drivers/hwmon/lm70.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/hwmon/lm70.c b/drivers/hwmon/lm70.c
> index ae2b84263a44..e3153ae80634 100644
> --- a/drivers/hwmon/lm70.c
> +++ b/drivers/hwmon/lm70.c
> @@ -178,7 +178,7 @@ static int lm70_probe(struct spi_device *spi)
>  	struct lm70 *p_lm70;
>  	int chip;
>  
> -	of_match = of_match_device(lm70_of_ids, &spi->dev);
> +	of_match = of_match_device(of_match_ptr(lm70_of_ids), &spi->dev);
>  	if (of_match)
>  		chip = (int)(uintptr_t)of_match->data;
>  	else {
>