linux-kernel - [PATCH v3 0/4] J722S: Disable WIZ0 and WIZ1 in SoC file

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Message-ID: <20250417123246.2733923-1-s-vadapalli@ti.com>
Date: Thu, 17 Apr 2025 18:02:42 +0530
From: Siddharth Vadapalli <s-vadapalli@...com>
To: <nm@...com>, <vigneshr@...com>, <kristo@...nel.org>, <robh@...nel.org>,
        <krzk+dt@...nel.org>, <conor+dt@...nel.org>, <rogerq@...nel.org>,
        <u-kumar1@...com>
CC: <stable@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
        <srk@...com>, <s-vadapalli@...com>
Subject: [PATCH v3 0/4] J722S: Disable WIZ0 and WIZ1 in SoC file

Hello,

This series disables the "serdes_wiz0" and "serdes_wiz1" device-tree
nodes in the J722S SoC file and enables them in the board files where
they are required along with "serdes0" and "serdes1". There are two
reasons behind this change:
1. To follow the existing convention of disabling nodes in the SoC file
   and enabling them in the board file as required.
2. To address situations where a board file hasn't explicitly disabled
   "serdes_wiz0" and "serdes_wiz1" (example: am67a-beagley-ai.dts)
   as a result of which booting the board displays the following errors:
     wiz bus@...00:phy@...0000: probe with driver wiz failed with error -12
     ...
     wiz bus@...00:phy@...0000: probe with driver wiz failed with error -12

Additionally, another series for DT cleanup at:
https://lore.kernel.org/r/20250412052712.927626-1-s-vadapalli@ti.com/
has been squashed into this series as patches 3 and 4.
This has been done based on Nishanth's suggestion at:
https://lore.kernel.org/r/20250414143916.zhskssezbffmvnsz@dragonfly/

Series is based on linux-next tagged next-20250417.
NOTE: For patches 1 and 2 of this series which are "Fixes", it has also
been verified that this series applies to the following commit
cfb2e2c57aef Merge tag 'mm-hotfixes-stable-2025-04-16-19-59' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
of Mainline Linux.

v2 of this series is at:
https://lore.kernel.org/r/20250408103606.3679505-1-s-vadapalli@ti.com/
Changes since v2:
- Collected Reviewed-by tags from Udit Kumar <u-kumar1@...com>.
- Squashed the DT cleanup series at:
  https://lore.kernel.org/r/20250412052712.927626-1-s-vadapalli@ti.com/
  as patches 3 and 4 of this series.

v1 of this series is at:
https://lore.kernel.org/r/20250408060636.3413856-1-s-vadapalli@ti.com/
Changes since v1:
- Added "Fixes" tag and updated commit message accordingly.

Regards,
Siddharth.

Siddharth Vadapalli (4):
  arm64: dts: ti: k3-j722s-evm: Enable "serdes_wiz0" and "serdes_wiz1"
  arm64: dts: ti: k3-j722s-main: Disable "serdes_wiz0" and "serdes_wiz1"
  arm64: dts: ti: k3-j722s-main: don't disable serdes0 and serdes1
  arm64: dts: ti: k3-j722s-evm: drop redundant status within
    serdes0/serdes1

 arch/arm64/boot/dts/ti/k3-j722s-evm.dts   | 10 ++++++++--
 arch/arm64/boot/dts/ti/k3-j722s-main.dtsi |  8 ++++----
 2 files changed, 12 insertions(+), 6 deletions(-)

-- 
2.34.1