linux-kernel - Re: [PATCH] iio: imu: st_lsm6dsx: fix array size for st_lsm6dsx

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Message-ID: <41f72463394e5e9110f5c889049e9592d3a8efa8.camel@baylibre.com>
Date: Sat, 18 Oct 2025 20:55:40 +0200
From: Francesco Lavra <flavra@...libre.com>
To: Andy Shevchenko <andriy.shevchenko@...el.com>
Cc: Lorenzo Bianconi <lorenzo@...nel.org>, Jonathan Cameron
 <jic23@...nel.org>,  David Lechner <dlechner@...libre.com>, Nuno
 Sá <nuno.sa@...log.com>, Andy Shevchenko
 <andy@...nel.org>, linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] iio: imu: st_lsm6dsx: fix array size for
 st_lsm6dsx_settings fields

On Sat, 2025-10-18 at 20:30 +0300, Andy Shevchenko wrote:
> On Fri, Oct 17, 2025 at 07:32:08PM +0200, Francesco Lavra wrote:
> > The `decimator` and `batch` fields of struct st_lsm6dsx_settings
> > are arrays indexed by sensor type, not by sensor hardware
> > identifier; moreover, the `batch` field is only used for the
> > accelerometer and gyroscope.
> > Change the array size for `decimator` from ST_LSM6DSX_MAX_ID to
> > ST_LSM6DSX_ID_MAX, and change the array size for `batch` from
> > ST_LSM6DSX_MAX_ID to 2; move the enum st_lsm6dsx_sensor_id
> > definition so that the ST_LSM6DSX_ID_MAX value is usable within
> > the struct st_lsm6dsx_settings definition.
> 
> ...
> 
> > +enum st_lsm6dsx_sensor_id {
> > +       ST_LSM6DSX_ID_GYRO,
> > +       ST_LSM6DSX_ID_ACC,
> > +       ST_LSM6DSX_ID_EXT0,
> > +       ST_LSM6DSX_ID_EXT1,
> > +       ST_LSM6DSX_ID_EXT2,
> 
> 
> 
> > +       ST_LSM6DSX_ID_MAX,
> 
> Is it a termination entry? (Looks like that to me) Can we drop trailing
> comma
> while at it?

Yes, it's a termination entry, I will drop the trailing comma.

> > +};

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