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SubjectRe: [PATCH v3 4/6] iio: st_sensors: Add ACPI support for lsm303d to the LSM9DS0 IMU driver
On Tue, 2 May 2023 16:51:42 +0200
Marius Hoch <mail@mariushoch.de> wrote:

> Hi,
>
> On 16/04/2023 01:11, Marius Hoch wrote:
> <snip>
> > diff --git a/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_spi.c b/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_spi.c
> > index 997b5ff792be..55f3738193af 100644
> > --- a/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_spi.c
> > +++ b/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_spi.c
> > @@ -37,6 +37,12 @@ static const struct spi_device_id st_lsm9ds0_id_table[] = {
> > };
> > MODULE_DEVICE_TABLE(spi, st_lsm9ds0_id_table);
> >
> > +static const struct acpi_device_id st_lsm9ds0_acpi_match[] = {
> > + {"ACCL0001", (kernel_ulong_t)LSM303D_IMU_DEV_NAME},
> > + { },
> > +};
> > +MODULE_DEVICE_TABLE(acpi, st_lsm9ds0_acpi_match);
> > +
> > static const struct regmap_config st_lsm9ds0_regmap_config = {
> > .reg_bits = 8,
> > .val_bits = 8,
> > @@ -72,6 +78,7 @@ static struct spi_driver st_lsm9ds0_driver = {
> > .driver = {
> > .name = "st-lsm9ds0-spi",
> > .of_match_table = st_lsm9ds0_of_match,
> > + .acpi_match_table = st_lsm9ds0_acpi_match,
> > },
> > .probe = st_lsm9ds0_spi_probe,
> > .id_table = st_lsm9ds0_id_table,
> I just realized that these changes (the SPI ones, not the I2C ones) are
> entirely superfluous, and I'm not sure why I added this in the first
> place. In the Lenovo Yoga Tablet 2 series (which seem to be the only
> devices exposing this as "ACCL0001"), the device is accessible via I2C.
> Just to make sure, I re-tested the patch chain without this change.
>
> @Jonathan: Shall I upload an entirely new patch set (v4), do this in a
> separate new clean up commit, or do you want to just drop these changes
> to drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_spi.c? I'm fine with any of
> these options.

I'll drop it and push out a new version of the togreg tree.

Thanks for pointing this out.

Jonathan

>
> Cheers,
> Marius

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