linux-kernel - Re: [PATCH V2 4/6] iio: accel: bmi088: Add support for bmi085 accel

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Message-ID: <20220514164244.09637098@jic23-huawei>
Date:   Sat, 14 May 2022 16:42:44 +0100
From:   Jonathan Cameron <jic23@...nel.org>
To:     LI Qingwu <Qing-wu.Li@...ca-geosystems.com.cn>
Cc:     lars@...afoo.de, mchehab+huawei@...nel.org, ardeleanalex@...il.com,
        linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
        robh+dt@...nel.org, mike.looijmans@...ic.nl,
        devicetree@...r.kernel.org
Subject: Re: [PATCH V2 4/6] iio: accel: bmi088: Add support for bmi085 accel

On Tue, 10 May 2022 14:17:51 +0000
LI Qingwu <Qing-wu.Li@...ca-geosystems.com.cn> wrote:

> Add supports for BMI085, an Inertial Measurement Unit,
> with an accelerometer and gyroscope.
> The commit adds the accelerometer driver for the SPI interface.
> The gyroscope part is already supported by the BMG160 driver.
> Different from BMI088, the BMI085 accelerometer has the range of
> +/-2, 4, 6, and 8g.
> 
> Reviewed-by: Alexandru Ardelean <ardeleanalex@...il.com>
> Signed-off-by: LI Qingwu <Qing-wu.Li@...ca-geosystems.com.cn>

Hi,

A request to change the ordering of id table entries below.

> ---
>  drivers/iio/accel/bmi088-accel-core.c | 7 +++++++
>  drivers/iio/accel/bmi088-accel-spi.c  | 1 +
>  2 files changed, 8 insertions(+)
> 
> diff --git a/drivers/iio/accel/bmi088-accel-core.c b/drivers/iio/accel/bmi088-accel-core.c
> index de2385e4dad5..13bb3d96a3a6 100644
> --- a/drivers/iio/accel/bmi088-accel-core.c
> +++ b/drivers/iio/accel/bmi088-accel-core.c
> @@ -465,6 +465,13 @@ static const struct bmi088_accel_chip_info bmi088_accel_chip_info_tbl[] = {
>  		.num_channels = ARRAY_SIZE(bmi088_accel_channels),
>  		.scale_table = {{0, 897}, {0, 1795}, {0, 3590}, {0, 7179}},
>  	},
> +	[1] = {
> +		.name = "bmi085-accel",
> +		.chip_id = 0x1F,

Probably makes sense to keep these entries in order of chip_id - so leave the
order as you have it for this array.

> +		.channels = bmi088_accel_channels,
> +		.num_channels = ARRAY_SIZE(bmi088_accel_channels),
> +		.scale_table = {{0, 598}, {0, 1196}, {0, 2393}, {0, 4785}},
> +	},
>  };
>  
>  static const struct iio_info bmi088_accel_info = {
> diff --git a/drivers/iio/accel/bmi088-accel-spi.c b/drivers/iio/accel/bmi088-accel-spi.c
> index 0fed0081e1fd..e7a1daab8f3c 100644
> --- a/drivers/iio/accel/bmi088-accel-spi.c
> +++ b/drivers/iio/accel/bmi088-accel-spi.c
> @@ -61,6 +61,7 @@ static int bmi088_accel_remove(struct spi_device *spi)
>  
>  static const struct spi_device_id bmi088_accel_id[] = {
>  	{"bmi088-accel", },
> +	{"bmi085-accel", },

Alphabetical / numeric order preferred.

>  	{}
>  };
>  MODULE_DEVICE_TABLE(spi, bmi088_accel_id);