linux-kernel - Re: [PATCH] misc: Silence warnings when building the LAN966x device tree overlay

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Message-ID: <CAL_JsqKebRL454poAYZ9i=sCsHqGzmocLy0psQcng-79UWJB-A@mail.gmail.com>
Date: Fri, 25 Oct 2024 10:40:51 -0500
From: Rob Herring <robh@...nel.org>
To: Philipp Zabel <p.zabel@...gutronix.de>
Cc: Stephen Rothwell <sfr@...b.auug.org.au>, Herve Codina <herve.codina@...tlin.com>, 
	linux-kernel@...r.kernel.org, linux-next@...r.kernel.org, 
	Arnd Bergmann <arnd@...db.de>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: [PATCH] misc: Silence warnings when building the LAN966x device
 tree overlay

On Fri, Oct 25, 2024 at 9:54 AM Philipp Zabel <p.zabel@...gutronix.de> wrote:
>
> Silence the following warnings when building the LAN966x device tree
> overlay:
>
> drivers/misc/lan966x_pci.dtso:34.23-40.7: Warning (interrupts_property): /fragment@..._overlay__/pci-ep-bus@...ic@...c0120: Missing interrupt-parent

> drivers/misc/lan966x_pci.dtso:42.22-46.7: Warning (simple_bus_reg): /fragment@..._overlay__/pci-ep-bus@...pu_clk: missing or empty reg/ranges property
> drivers/misc/lan966x_pci.dtso:48.22-52.7: Warning (simple_bus_reg): /fragment@..._overlay__/pci-ep-bus@...dr_clk: missing or empty reg/ranges property
> drivers/misc/lan966x_pci.dtso:54.22-58.7: Warning (simple_bus_reg): /fragment@..._overlay__/pci-ep-bus@...ys_clk: missing or empty reg/ranges property

These nodes should be moved out of the simple-bus.

> drivers/misc/lan966x_pci.dtso:18.15-165.5: Warning (avoid_unnecessary_addr_size): /fragment@..._overlay__: unnecessary #address-cells/#size-cells without "ranges", "dma-ranges" or child "reg" property

For this one,  dtc should be fixed to also look for child "ranges" property.

Aren't these other ones all W=1 warnings?

Rob