linux-kernel - Re: [PATCH 10/12] net: ieee802154: ca8210: drop of_match

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Date:   Tue, 14 Mar 2023 08:53:21 +0100
From:   Stefan Schmidt <stefan@...enfreihafen.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Hauke Mehrtens <hauke@...ke-m.de>,
        Woojung Huh <woojung.huh@...rochip.com>,
        UNGLinuxDriver@...rochip.com,
        Claudiu Manoil <claudiu.manoil@....com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Colin Foster <colin.foster@...advantage.com>,
        Michael Hennerich <michael.hennerich@...log.com>,
        Alexander Aring <alex.aring@...il.com>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-wpan@...r.kernel.org
Subject: Re: [PATCH 10/12] net: ieee802154: ca8210: drop of_match_ptr for ID
 table

Hello.

On 11.03.23 18:33, Krzysztof Kozlowski wrote:
> The driver can match only via the DT table so the table should be always
> used and the of_match_ptr does not have any sense (this also allows ACPI
> matching via PRP0001, even though it might not be relevant here).
> 
>    drivers/net/ieee802154/ca8210.c:3174:34: error: ‘ca8210_of_ids’ defined but not used [-Werror=unused-const-variable=]
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> ---
>   drivers/net/ieee802154/ca8210.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/ieee802154/ca8210.c b/drivers/net/ieee802154/ca8210.c
> index ed6cb79072a8..65d28e8a87c9 100644
> --- a/drivers/net/ieee802154/ca8210.c
> +++ b/drivers/net/ieee802154/ca8210.c
> @@ -3181,7 +3181,7 @@ static struct spi_driver ca8210_spi_driver = {
>   	.driver = {
>   		.name =                 DRIVER_NAME,
>   		.owner =                THIS_MODULE,
> -		.of_match_table =       of_match_ptr(ca8210_of_ids),
> +		.of_match_table =       ca8210_of_ids,
>   	},
>   	.probe  =                       ca8210_probe,
>   	.remove =                       ca8210_remove

Acked-by: Stefan Schmidt <stefan@...enfreihafen.org>

regards
Stefan Schmidt