[PATCH v3 0/3] iio: adc: xilinx-ams: refactor alarm handling to table-driven design

[Jonathan Cameron]

On Tue, 14 Apr 2026 19:40:32 -0300
Guilherme Ivo Bozi <guilherme.bozi at usp.br> wrote:

> This series addresses significant code duplication in alarm handling
> logic across the Xilinx AMS IIO driver.
> 
> To address this, the series introduces a centralized table-driven
> mapping (alarm_map) that replaces multiple switch statements spread
> across the driver.
> 
> This improves:
> - maintainability (single source of truth for mappings)
> - readability (removes repeated switch logic)
> - extensibility (new alarms require only table updates)
> 
> No functional changes are intended.
This series looks fine to me.

Given the AMD Xilinx folk are fairly active reviewers I'm just
waiting on them taking a look.


> 
> Series overview:
> - Patch 1: fix out-of-bounds channel lookup 
> - Patch 2: convert mutex handling to guard(mutex) 
> - Patch 3: introduce table-driven alarm mapping
> 
> v1 -> v2:
> - Fixed Fixes tag format
> - Replaced AMS_ALARM_INVALID with AMS_ALARM_NONE
> - Changed alarm_map base_offset type
> 
> v2 -> v3:
> - Replace 'i >= num_channels' with 'i == num_channels'
> - Add missing trailing comma in alarm_map array initializer
> 
> Guilherme Ivo Bozi (3):
>   iio: adc: xilinx-ams: fix out-of-bounds channel lookup in event
>     handling
>   iio: adc: xilinx-ams: use guard(mutex) for automatic locking
>   iio: adc: xilinx-ams: refactor alarm mapping to table-driven approach
> 
>  drivers/iio/adc/xilinx-ams.c | 190 +++++++++++++----------------------
>  1 file changed, 71 insertions(+), 119 deletions(-)
>