linux-kernel - Re: [PATCH v3] iio: imu: lsm6dsx: Fix mount matrix retrieval

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Message-ID: <20230715183515.56deaa1d@jic23-huawei>
Date:   Sat, 15 Jul 2023 18:35:15 +0100
From:   Jonathan Cameron <jic23@...nel.org>
To:     Alejandro Tafalla <atafalla@...on.com>
Cc:     Lorenzo Bianconi <lorenzo@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>,
        linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] iio: imu: lsm6dsx: Fix mount matrix retrieval

On Fri, 14 Jul 2023 17:31:26 +0200
Alejandro Tafalla <atafalla@...on.com> wrote:

> The function lsm6dsx_get_acpi_mount_matrix should return an error when ACPI
> support is not enabled to allow executing iio_read_mount_matrix in the
> probe function.
> 
> Fixes: dc3d25f22b88 ("iio: imu: lsm6dsx: Add ACPI mount matrix retrieval")
> 

I can fix it up whilst applying if no other issues, but there must not be
a blank line here.  All tags need to be in a single block for some tooling
that is used with the kernel tree (and some of the checking scripts warn
about this so it won't get applied with the blank line here).

> Signed-off-by: Alejandro Tafalla <atafalla@...on.com>
> ---
> Changes in v3:
> - Removed unneeded check for err == -EOPNOTSUPP.
> 
> Changes in v2:
> - Use of error codes instead of true/false
> 
>  drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
> index 6a18b363cf73..b6e6b1df8a61 100644
> --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
> +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
> @@ -2687,7 +2687,7 @@ static int lsm6dsx_get_acpi_mount_matrix(struct device *dev,
>  static int lsm6dsx_get_acpi_mount_matrix(struct device *dev,
>  					  struct iio_mount_matrix *orientation)
>  {
> -	return false;
> +	return -EOPNOTSUPP;
>  }
>  
>  #endif