linux-kernel - Re: [PATCH v1 2/4] mfd: arizona: Add missing entries SPI to device ID table

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Date:   Fri, 24 Sep 2021 10:24:17 +0100
From:   Richard Fitzgerald <rf@...nsource.cirrus.com>
To:     Mark Brown <broonie@...nel.org>, Lee Jones <lee.jones@...aro.org>
CC:     <linux-kernel@...r.kernel.org>, <patches@...nsource.cirrus.com>
Subject: Re: [PATCH v1 2/4] mfd: arizona: Add missing entries SPI to device ID
 table

On 23/09/2021 20:46, Mark Brown wrote:
> Currently autoloading for SPI devices does not use the DT ID table, it uses
> SPI modalises. Supporting OF modalises is going to be difficult if not
> impractical, an attempt was made but has been reverted, so ensure that
> module autoloading works for this driver by adding SPI IDs for parts that
> only have a compatible listed.
> 
> Fixes: 96c8395e2166 ("spi: Revert modalias changes")
> Signed-off-by: Mark Brown <broonie@...nel.org>
> Cc: patches@...nsource.cirrus.com
> ---
>   drivers/mfd/arizona-spi.c | 3 +++
>   1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/mfd/arizona-spi.c b/drivers/mfd/arizona-spi.c
> index aa1d6f94ae53..8b44af297b7c 100644
> --- a/drivers/mfd/arizona-spi.c
> +++ b/drivers/mfd/arizona-spi.c
> @@ -216,9 +216,12 @@ static int arizona_spi_remove(struct spi_device *spi)
>   }
>   
>   static const struct spi_device_id arizona_spi_ids[] = {
> +	{ "wm1814", WM1814 },
>   	{ "wm5102", WM5102 },
>   	{ "wm5110", WM5110 },
>   	{ "wm8280", WM8280 },
> +	{ "wm8997", WM8997 },
> +	{ "wm8998", WM8998 },

WM1814, WM8997 and WM8998 do not have a SPI interface, which is why they
aren't in the table of SPI IDs.