Re: [PATCH RESEND v3 0/5] iio: adc: qcom-spmi-vadc: Propagate fw node label to userspace

From: Jonathan Cameron
Date: Sun May 07 2023 - 10:14:18 EST


On Tue, 2 May 2023 01:17:32 +0200
Marijn Suijten <marijn.suijten@xxxxxxxxxxxxxx> wrote:

> Implement read_label in qcom-spmi-vadc to see DT-specified label names
> in userspace. At the same time clear up some documentation around
> extend_name to promote read_label, and normalize similar code in
> qcom-spmi-adc5.

Whole series looks good to me. I'd like some review from QCOM focused
folk though before I take it.

Thanks,

Jonathan

>
> v3 resend: added missing to/cc addresses via b4 prep --auto-to-cc.
>
> Changes since v2:
> - Dropped RFC tag;
> - Reworded @extend_name deprecation comment.
>
> v2: https://lore.kernel.org/r/20230116220909.196926-1-marijn.suijten@xxxxxxxxxxxxxx
>
> Changes since v1:
> - qcom-spmi-vadc: Use read_label instead of extend_name.
>
> New since v1:
> - core: Point users of extend_name field to read_label callback
> - qcom-spmi-adc5: Use datasheet_name string literal for
> iio_chan_spec::datasheet_name;
> - qcom-spmi-adc5: Fall back to datasheet_name instead of
> fwnode_get_name() for iio_chan_spec::extend_name (gets rid of @xx in
> sysfs filenames and labels);
> - qcom-spmi-adc5: Remove unnecessary datasheet_name NULL check.
>
> v1: https://lore.kernel.org/linux-arm-msm/20221106193018.270106-1-marijn.suijten@xxxxxxxxxxxxxx/
> ---
> Marijn Suijten (5):
> iio: core: Point users of extend_name field to read_label callback
> iio: adc: qcom-spmi-adc5: Use driver datasheet_name instead of DT label
> iio: adc: qcom-spmi-adc5: Fall back to datasheet_name instead of fwnode name
> iio: adc: qcom-spmi-adc5: Remove unnecessary datasheet_name NULL check
> iio: adc: qcom-spmi-vadc: Propagate fw node label to userspace
>
> drivers/iio/adc/qcom-spmi-adc5.c | 15 +++++++--------
> drivers/iio/adc/qcom-spmi-vadc.c | 19 ++++++++++++++++++-
> include/linux/iio/iio.h | 3 +++
> 3 files changed, 28 insertions(+), 9 deletions(-)
> ---
> base-commit: 92e815cf07ed24ee1c51b122f24ffcf2964b4b13
> change-id: 20230502-iio-adc-propagate-fw-node-label-b1fff2e63ae8