linux-kernel - [PATCH v2 0/2] Fix dtc warnings when building the LAN966x device tree overlay

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Message-ID: <20241029084338.194942-1-herve.codina@bootlin.com>
Date: Tue, 29 Oct 2024 09:43:34 +0100
From: Herve Codina <herve.codina@...tlin.com>
To: Philipp Zabel <p.zabel@...gutronix.de>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	Rob Herring <robh@...nel.org>
Cc: linux-kernel@...r.kernel.org,
	linux-next@...r.kernel.org,
	Arnd Bergmann <arnd@...db.de>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Allan Nielsen <allan.nielsen@...rochip.com>,
	Horatiu Vultur <horatiu.vultur@...rochip.com>,
	Steen Hegelund <steen.hegelund@...rochip.com>,
	Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
	Herve Codina <herve.codina@...tlin.com>
Subject: [PATCH v2 0/2] Fix dtc warnings when building the LAN966x device tree overlay

dtc generates 3 kinds of warnings when it builds the LAN966x dtso.

- missing or empty reg/ranges property
    .../pci-ep-bus@...pu_clk: missing or empty reg/ranges property
    .../pci-ep-bus@...dr_clk: missing or empty reg/ranges property
    .../pci-ep-bus@...ys_clk: missing or empty reg/ranges property
  Patch 1 in this series fixes these warnings

- Missing interrupt-parent
   .../pci-ep-bus@...ic@...c0120: Missing interrupt-parent
  This warning was quickly silenced by Philipp [1].
  Patch 2 in this series fixes the warning and should replace the patch
  applied by Philipp to silence the warning.

- Warning (avoid_unnecessary_addr_size)
   /fragment@..._overlay__: unnecessary #address-cells/#size-cells without "ranges", "dma-ranges" or child "reg" property
  This warning should be fixed in dtc.
  A patch has already be sent by Philip to fix it [2].

[1] https://lore.kernel.org/all/57793bb01e02f03e215dfa6f8783df18034ae2ea.camel@pengutronix.de/
[2] https://lore.kernel.org/devicetree-compiler/20241025161307.3629901-1-p.zabel@pengutronix.de/T/#u

Compare to the previous iteration, this v2 series mainly renames clock
nodes.

Best regards,
Hervé

Changes v1 -> v2
  v1: https://lore.kernel.org/lkml/20241028122405.27090-1-herve.codina@bootlin.com/

  - Patch 1
    Rename clock nodes

  - Patch 2
    Add 'Reviewed-by: Rob Herring (Arm) <robh@...nel.org>'

Herve Codina (2):
  misc: lan966x_pci: Fix dtc warns 'missing or empty reg/ranges
    property'
  misc: lan966x_pci: Fix dtc warn 'Missing interrupt-parent'

 drivers/misc/lan966x_pci.dtso | 46 +++++++++++++++++++++--------------
 1 file changed, 28 insertions(+), 18 deletions(-)

-- 
2.46.2