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SubjectRe: [PATCH v2 10/13] iio: imu: inv_mpu6050_spi: Use vsprintf extension %pe for symbolic error name
On Sun, 22 Mar 2020 22:53:12 +0530
Nishant Malpani <nish.malpani25@gmail.com> wrote:

> Utilize %pe format specifier from vsprintf while printing error logs
> with dev_err(). Discards the use of unnecessary explicit casting and
> prints symbolic error name which might prove to be convenient during
> debugging.
>
> Signed-off-by: Nishant Malpani <nish.malpani25@gmail.com>
Applied,

Thanks,

J
> ---
>
> Changes in v2:
> - Rewrite commit subject line outlining the usage of %pe.
> - Add a separator between regmap and its error name.
>
> Based on conversations in [1] & [2].
>
> [1] https://marc.info/?l=linux-iio&m=158427554607223&w=2
> [2] https://marc.info/?l=linux-iio&m=158481647605891&w=2
> ---
> drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c
> index 673b198e6368..6f968ce687e1 100644
> --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c
> +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c
> @@ -53,8 +53,8 @@ static int inv_mpu_probe(struct spi_device *spi)
>
> regmap = devm_regmap_init_spi(spi, &inv_mpu_regmap_config);
> if (IS_ERR(regmap)) {
> - dev_err(&spi->dev, "Failed to register spi regmap %d\n",
> - (int)PTR_ERR(regmap));
> + dev_err(&spi->dev, "Failed to register spi regmap: %pe\n",
> + regmap);
> return PTR_ERR(regmap);
> }
>

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