Re: [PATCH 3/3] IIO: st_accel.h: sync DT and I2C device ID table strings

From: Jonathan Cameron
Date: Sat Jun 30 2018 - 11:33:20 EST


On Fri, 29 Jun 2018 10:45:54 +0200
Nikolaus Voss <nikolaus.voss@xxxxxxxxxxxxxxxxxxxxx> wrote:

> I2C device ID table strings should really match the DT compatible
> strings (without the manufacturer prefix) to avoid confusion. This is
> especially reasonable when using ACPI PRP0001 HID /DT compatibility
> entries along with the DT compatible property in DSD which is
> used as a modalias (with manufacturer prefix stripped off) by the ACPI
> layer and thus as i2c_board_info->type by the I2C layer.
>
> Signed-off-by: Nikolaus Voss <nikolaus.voss@xxxxxxxxxxxxxxxxxxxxx>

Nice to have I agree. However, it's an ABI change as this is exposed
via
/sys/bus/iio/devices/iio:\deviceN/name and is used by lots of scripts
etc to identify the device. So we are stuck with it.

There is a reason we've kept this mess here for quite some time.

Jonathan

> ---
> drivers/iio/accel/st_accel.h | 32 ++++++++++++++++----------------
> 1 file changed, 16 insertions(+), 16 deletions(-)
>
> diff --git a/drivers/iio/accel/st_accel.h b/drivers/iio/accel/st_accel.h
> index 2f931e4837e5..be4a4a41f849 100644
> --- a/drivers/iio/accel/st_accel.h
> +++ b/drivers/iio/accel/st_accel.h
> @@ -37,23 +37,23 @@ enum st_accel_type {
> ST_ACCEL_MAX,
> };
>
> -#define H3LIS331DL_ACCEL_DEV_NAME "h3lis331dl_accel"
> -#define LIS3LV02DL_ACCEL_DEV_NAME "lis3lv02dl_accel"
> -#define LSM303DLHC_ACCEL_DEV_NAME "lsm303dlhc_accel"
> -#define LIS3DH_ACCEL_DEV_NAME "lis3dh"
> -#define LSM330D_ACCEL_DEV_NAME "lsm330d_accel"
> -#define LSM330DL_ACCEL_DEV_NAME "lsm330dl_accel"
> -#define LSM330DLC_ACCEL_DEV_NAME "lsm330dlc_accel"
> -#define LIS331DL_ACCEL_DEV_NAME "lis331dl_accel"
> -#define LIS331DLH_ACCEL_DEV_NAME "lis331dlh"
> -#define LSM303DL_ACCEL_DEV_NAME "lsm303dl_accel"
> -#define LSM303DLH_ACCEL_DEV_NAME "lsm303dlh_accel"
> -#define LSM303DLM_ACCEL_DEV_NAME "lsm303dlm_accel"
> -#define LSM330_ACCEL_DEV_NAME "lsm330_accel"
> -#define LSM303AGR_ACCEL_DEV_NAME "lsm303agr_accel"
> -#define LIS2DH12_ACCEL_DEV_NAME "lis2dh12_accel"
> +#define H3LIS331DL_ACCEL_DEV_NAME "h3lis331dl-accel"
> +#define LIS3LV02DL_ACCEL_DEV_NAME "lis3lv02dl-accel"
> +#define LSM303DLHC_ACCEL_DEV_NAME "lsm303dlhc-accel"
> +#define LIS3DH_ACCEL_DEV_NAME "lis3dh-accel"
> +#define LSM330D_ACCEL_DEV_NAME "lsm330d-accel"
> +#define LSM330DL_ACCEL_DEV_NAME "lsm330dl-accel"
> +#define LSM330DLC_ACCEL_DEV_NAME "lsm330dlc-accel"
> +#define LIS331DL_ACCEL_DEV_NAME "lis331dl-accel"
> +#define LIS331DLH_ACCEL_DEV_NAME "lis331dlh-accel"
> +#define LSM303DL_ACCEL_DEV_NAME "lsm303dl-accel"
> +#define LSM303DLH_ACCEL_DEV_NAME "lsm303dlh-accel"
> +#define LSM303DLM_ACCEL_DEV_NAME "lsm303dlm-accel"
> +#define LSM330_ACCEL_DEV_NAME "lsm330-accel"
> +#define LSM303AGR_ACCEL_DEV_NAME "lsm303agr-accel"
> +#define LIS2DH12_ACCEL_DEV_NAME "lis2dh12-accel"
> #define LIS3L02DQ_ACCEL_DEV_NAME "lis3l02dq"
> -#define LNG2DM_ACCEL_DEV_NAME "lng2dm"
> +#define LNG2DM_ACCEL_DEV_NAME "lng2dm-accel"
> #define LIS2DW12_ACCEL_DEV_NAME "lis2dw12"
> #define LIS3DHH_ACCEL_DEV_NAME "lis3dhh"
>