linux-kernel - Re: [PATCH v4 5/8] iio: adc: ad7606: Add compatibility to fw

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Message-ID: <facfe06f51a815f4ff5604aeacd8bd6ed0629be4.camel@gmail.com>
Date: Wed, 09 Oct 2024 16:39:58 +0200
From: Nuno Sá <noname.nuno@...il.com>
To: Guillaume Stols <gstols@...libre.com>, Uwe
 Kleine-König <ukleinek@...nel.org>, Lars-Peter Clausen
 <lars@...afoo.de>, Michael Hennerich <Michael.Hennerich@...log.com>,
 Jonathan Cameron <jic23@...nel.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 "Rafael J. Wysocki" <rafael@...nel.org>, Jonathan Corbet <corbet@....net>
Cc: linux-pwm@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-fbdev@...r.kernel.org, linux-iio@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-doc@...r.kernel.org,
 aardelean@...libre.com,  dlechner@...libre.com, jstephan@...libre.com,
 Jonathan Cameron <Jonathan.Cameron@...wei.com>
Subject: Re: [PATCH v4 5/8] iio: adc: ad7606: Add compatibility to fw_nodes

On Wed, 2024-10-09 at 09:19 +0000, Guillaume Stols wrote:
> On the parallel version, the current implementation is only compatible
> with id tables and won't work with fw_nodes, this commit intends to fix
> it.
> 
> Doing so required to declare ad7606_chip_info structures in the .h file
> so to make them accessible to all the driver files that can set a
> pointer to the corresponding chip as the driver data.
> 
> Signed-off-by: Guillaume Stols <gstols@...libre.com>
> ---
>  drivers/iio/adc/ad7606.c     | 283 ++++++++++++++++++++++++-------------------
>  drivers/iio/adc/ad7606.h     |  32 +++--
>  drivers/iio/adc/ad7606_par.c |  30 +++--
>  drivers/iio/adc/ad7606_spi.c |  96 +++++++++------
>  4 files changed, 254 insertions(+), 187 deletions(-)
> 
> diff --git a/drivers/iio/adc/ad7606.c b/drivers/iio/adc/ad7606.c
> index 5b276d087ec3..dfbdea8c28ba 100644
> --- a/drivers/iio/adc/ad7606.c
> +++ b/drivers/iio/adc/ad7606.c
> @@ -78,6 +78,155 @@ static const unsigned int ad7616_oversampling_avail[8] = {
> 
...

> +const struct ad7606_chip_info ad7616_info = {
> +	.channels = ad7616_channels,
> +	.init_delay_ms = 15,
> +	.name = "ad7616",
> +	.num_channels = 17,
> +	.oversampling_avail = ad7616_oversampling_avail,
> +	.oversampling_num = ARRAY_SIZE(ad7616_oversampling_avail),
> +	.os_req_reset = true,
> +	.scale_setup_cb = ad7606_16bit_chan_scale_setup,
> +};
> +EXPORT_SYMBOL_NS_GPL(ad7616_info, IIO_AD7606);
> 

Maybe my eyes are tricking me but I'm not seeing any MODULE_IMPORT_NS() in the
drivers?

- Nuno Sá