linux-kernel - [PATCH v2 0/6] staging: ad9832: driver cleanup

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Message-ID: <20251230203459.28935-1-tomasborquez13@gmail.com>
Date: Tue, 30 Dec 2025 17:34:53 -0300
From: Tomas Borquez <tomasborquez13@...il.com>
To: Jonathan Cameron <jic23@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Michael Hennerich <Michael.Hennerich@...log.com>
Cc: David Lechner <dlechner@...libre.com>,
	Nuno Sá <nuno.sa@...log.com>,
	Andy Shevchenko <andy@...nel.org>,
	linux-kernel@...r.kernel.org,
	linux-iio@...r.kernel.org,
	linux-staging@...ts.linux.dev,
	Tomas Borquez <tomasborquez13@...il.com>
Subject: [PATCH v2 0/6] staging: ad9832: driver cleanup

This series cleans up the ad9832 driver with the goal of (eventually)
graduating it from staging. The main change is converting custom sysfs
attributes to IIO channel interface and adding sysfs documentation.

Changes since v1:
  - Reordered patches: moved dev_err_probe cleanup before guard(mutex)
    conversion (Marcelo)
  - Split channel conversion into two patches: 
      - dds.h removal
      - channel interface conversion (ABI change) (Jonathan)
  - Added devm_mutex_init() conversion as separate patch (Marcelo)
  - Used MICRO macro for phase calculations instead of hardcoded values
    for better readability (Marcelo)
  - Fixed FIELD_PREP usage in pinctrl_en for consistency (Marcelo)
  - Renamed ext_info macro parameter from _channel to _select since
    it represents register selection not channel number (Marcelo)
  - Ensured patches apply cleanly on top of IIO testing branch
  - Made sysfs ABI documentation generic using capital letters for
    channel and symbol indices (Marcelo, Jonathan)
  - Changed attribute naming to hierarchical structure 
    (out_altcurrentY_frequency_symbolZ) (Marcelo)
  - Made descriptions hardware-agnostic and removed chip-specific
    implementation details (Jonathan)
  - Renamed documentation file to sysfs-bus-iio-frequency instead of
    chip-specific name (Jonathan)

Tomas Borquez (6):
  staging: iio: ad9832: cleanup dev_err_probe()
  staging: iio: ad9832: convert to guard(mutex)
  staging: iio: ad9832: convert to devm_mutex_init()
  staging: iio: ad9832: remove dds.h dependency
  staging: iio: ad9832: convert to iio channels and ext_info attrs
  staging: iio: ad9832: add sysfs documentation

 .../iio/Documentation/sysfs-bus-iio-frequency |  40 +++
 drivers/staging/iio/frequency/ad9832.c        | 327 +++++++++++++-----
 2 files changed, 279 insertions(+), 88 deletions(-)
 create mode 100644 drivers/staging/iio/Documentation/sysfs-bus-iio-frequency

-- 
2.43.0