linux-kernel - Re: [PATCH v2 0/9] reset: amlogic: move audio reset drivers out of CCF

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Message-ID: <07b4e6b9-7448-45fb-b5a0-d069addb5dc2@salutedevices.com>
Date: Thu, 18 Jul 2024 17:20:32 +0300
From: Jan Dakinevich <jan.dakinevich@...utedevices.com>
To: Jerome Brunet <jbrunet@...libre.com>, Philipp Zabel
	<p.zabel@...gutronix.de>, Stephen Boyd <sboyd@...nel.org>, Neil Armstrong
	<neil.armstrong@...aro.org>
CC: <linux-kernel@...r.kernel.org>, <linux-amlogic@...ts.infradead.org>,
	<linux-clk@...r.kernel.org>
Subject: Re: [PATCH v2 0/9] reset: amlogic: move audio reset drivers out of
 CCF

In previous series there was a patch "[PATCH 8/8] clk: amlogic:
axg-audio: use the auxiliary reset driver", but I don't see it here. Did
you removed it, or I missed something?


On 7/18/24 12:57, Jerome Brunet wrote:
> This patchset follows the discussion about having reset driver in the
> clock tree [1]. Ideally those should reside in the reset part of tree.
> 
> Also the code of the amlogic reset driver is very similar between the 2
> trees and could use the same driver code.
> 
> This patcheset alignes the reset drivers present in the reset and clock
> then adds support for the reset driver of audio clock controller found in
> the  g12 and sm1 SoC family to the reset tree, using the auxiliary bus.
> 
> The infrastructure put in place is meant to be generic enough so we may
> eventually also move the reset drivers in the meson8b and aoclk clock
> controllers.
> 
> Changes since v1 [3]:
>  * Fixes formatting errors reported by Stephen.
>  * Changed parameters type to unsigned
>  * Fix usage of ops passed as parameters, previously ignored.
>  * Return 0 instead of an error if reset support is absent
>    to properly decouple from the clock and have a weak
>    dependency
>  * Split the platform and auxiliary modules in 2 distinct modules
>    to fix the COMPILE_TEST error reported by ktest robot.
> 
> Change since RFC [2]:
>  * Move the aux registration helper out of clock too.
> 
> [1] https://lore.kernel.org/linux-clk/e3a85852b911fdf16dd9ae158f42b3ef.sboyd@kernel.org
> [2] https://lore.kernel.org/linux-clk/20240516150842.705844-1-jbrunet@baylibre.com
> [3] https://lore.kernel.org/linux-clk/20240710162526.2341399-1-jbrunet@baylibre.com
> 
> Jerome Brunet (9):
>   reset: amlogic: convert driver to regmap
>   reset: amlogic: use generic data matching function
>   reset: amlogic: make parameters unsigned
>   reset: amlogic: add driver parameters
>   reset: amlogic: use reset number instead of register count
>   reset: amlogic: add reset status support
>   reset: amlogic: move drivers to a dedicated directory
>   reset: amlogic: split the device core and platform probe
>   reset: amlogic: add auxiliary reset driver support
> 
>  drivers/reset/Kconfig                         |  15 +-
>  drivers/reset/Makefile                        |   3 +-
>  drivers/reset/amlogic/Kconfig                 |  27 ++++
>  drivers/reset/amlogic/Makefile                |   4 +
>  .../{ => amlogic}/reset-meson-audio-arb.c     |   0
>  drivers/reset/amlogic/reset-meson-aux.c       | 136 ++++++++++++++++
>  drivers/reset/amlogic/reset-meson-core.c      | 140 ++++++++++++++++
>  drivers/reset/amlogic/reset-meson-pltf.c      |  95 +++++++++++
>  drivers/reset/amlogic/reset-meson.h           |  28 ++++
>  drivers/reset/reset-meson.c                   | 153 ------------------
>  include/soc/amlogic/meson-auxiliary-reset.h   |  23 +++
>  11 files changed, 455 insertions(+), 169 deletions(-)
>  create mode 100644 drivers/reset/amlogic/Kconfig
>  create mode 100644 drivers/reset/amlogic/Makefile
>  rename drivers/reset/{ => amlogic}/reset-meson-audio-arb.c (100%)
>  create mode 100644 drivers/reset/amlogic/reset-meson-aux.c
>  create mode 100644 drivers/reset/amlogic/reset-meson-core.c
>  create mode 100644 drivers/reset/amlogic/reset-meson-pltf.c
>  create mode 100644 drivers/reset/amlogic/reset-meson.h
>  delete mode 100644 drivers/reset/reset-meson.c
>  create mode 100644 include/soc/amlogic/meson-auxiliary-reset.h
> 

-- 
Best regards
Jan Dakinevich