linux-kernel - Re: [PATCH 8/8] addon_boards: mikrobus: Add GPS3 Click

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Message-ID: <2024091211-bladder-runner-2d75@gregkh>
Date: Thu, 12 Sep 2024 09:39:30 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: Dirk Behme <dirk.behme@...bosch.com>
Cc: Ayush Singh <ayush@...gleboard.org>,
	Ayush Singh <ayushdevel1325@...il.com>, fabien.parent@...aro.org,
	d-gole@...com, lorforlinux@...gleboard.org,
	jkridner@...gleboard.org, robertcnelson@...gleboard.org,
	Andrew Davis <afd@...com>, Miguel Ojeda <ojeda@...nel.org>,
	Alex Gaynor <alex.gaynor@...il.com>,
	Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>,
	Björn Roy Baron <bjorn3_gh@...tonmail.com>,
	Benno Lossin <benno.lossin@...ton.me>,
	Andreas Hindborg <a.hindborg@...nel.org>,
	Alice Ryhl <aliceryhl@...gle.com>, Trevor Gross <tmgross@...ch.edu>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Derek Kiernan <derek.kiernan@....com>,
	Dragan Cvetic <dragan.cvetic@....com>,
	Arnd Bergmann <arnd@...db.de>, Nishanth Menon <nm@...com>,
	Vignesh Raghavendra <vigneshr@...com>,
	Tero Kristo <kristo@...nel.org>, linux-kernel@...r.kernel.org,
	rust-for-linux@...r.kernel.org, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 8/8] addon_boards: mikrobus: Add GPS3 Click

On Thu, Sep 12, 2024 at 09:29:01AM +0200, Dirk Behme wrote:
> On 12.09.2024 09:16, Ayush Singh wrote:
> > On 9/12/24 01:34, Greg Kroah-Hartman wrote:
> > 
> > > On Wed, Sep 11, 2024 at 09:26:06PM +0530, Ayush Singh wrote:
> > > > On 9/11/24 20:28, Greg Kroah-Hartman wrote:
> > > > 
> > > > > On Wed, Sep 11, 2024 at 07:57:25PM +0530, Ayush Singh wrote:
> > > > > > - GPS3 Click is a UART MikroBUS addon Board
> > > > > > 
> > > > > > Link: https://www.mikroe.com/gps-3-click
> > > > > > 
> > > > > > Signed-off-by: Ayush Singh <ayush@...gleboard.org>
> > > > > > ---
> > > > > >    addon_boards/mikrobus/Makefile         |  1 +
> > > > > >    addon_boards/mikrobus/mikroe-1714.dtso | 28
> > > > > > ++++++++++++++++++++++++++++
> > > > > Odd top-level directory for the kernel, are you sure this is correct?
> > > > > 
> > > > > thanks,
> > > > > 
> > > > > greg k-h
> > > > > 
> > > > Well, it is kinda a temporary location, since well, I could not
> > > > find a good
> > > > place for board overlays but a top-level location seems better
> > > > than putting
> > > > them in any arch specific location. I am open to moving them to a more
> > > > suitable location if we have one.
> > > top-level location is not ok for something so tiny and "special".  Just
> > > put it where all other dtso files go.
> > > 
> > > thanks,
> > > 
> > > greg k-h
> > 
> > 
> > So here are the directories where dtso files currently go:
> > 
> > ❯ find . -type f -name "*.dtso" -printf "%h\n" | sort -u
> > ./arch/arm64/boot/dts/amlogic
> > ./arch/arm64/boot/dts/freescale
> > ./arch/arm64/boot/dts/mediatek
> > ./arch/arm64/boot/dts/qcom
> > ./arch/arm64/boot/dts/renesas
> > ./arch/arm64/boot/dts/rockchip
> > ./arch/arm64/boot/dts/ti
> > ./arch/arm64/boot/dts/xilinx
> > ./arch/arm/boot/dts/nxp/imx
> > ./arch/arm/boot/dts/ti/omap
> > ./drivers/clk
> > ./drivers/of
> > ./drivers/of/unittest-data
> > 
> > 
> > Out of these, `drivers/of` and `drivers/of/unittest-data` contain
> > unittest dtso, so probably not the place.
> > 
> > And the `arch/arm` and `arch/arm64` are for arch specific stuff.
> > MikroBUS is supported in RISC-V boards as well (BeagleV-Ahead). So
> > probably not the correct location either.
> > 
> > Maybe something like `arch/common/addon_boards` would be better?
> 
> Whats about
> 
> drivers/misc/mikrobus/mikrobus.rs
> drivers/misc/mikrobus/mikroe-1714.dtso
> drivers/misc/mikrobus/mikroe-5761-i2c.dtso

Exactly, put them where the drivers are, like clk and of does.

thanks,

greg k-h