linux-kernel - Re: [PATCH v2 3/3] net: phy: add Rust Rockchip PHY driver

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Date: Thu, 01 Feb 2024 21:17:08 +0100
From: Dragan Simic <dsimic@...jaro.org>
To: Greg KH <gregkh@...uxfoundation.org>, Christina Quast
 <contact@...istina-quast.de>
Cc: Miguel Ojeda <ojeda@...nel.org>, Alex Gaynor <alex.gaynor@...il.com>,
 Wedson Almeida Filho <wedsonaf@...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@...sung.com>, Alice
 Ryhl <aliceryhl@...gle.com>, FUJITA Tomonori <fujita.tomonori@...il.com>,
 Trevor Gross <tmgross@...ch.edu>, Andrew Lunn <andrew@...n.ch>, Heiner
 Kallweit <hkallweit1@...il.com>, Russell King <linux@...linux.org.uk>,
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Heiko
 Stuebner <heiko@...ech.de>, rust-for-linux@...r.kernel.org,
 linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-rockchip@...ts.infradead.org
Subject: Re: [PATCH v2 3/3] net: phy: add Rust Rockchip PHY driver

On 2024-02-01 19:23, Greg KH wrote:
> On Thu, Feb 01, 2024 at 07:07:00PM +0100, Christina Quast wrote:
>> This is the Rust implementation of drivers/net/phy/rockchip.c. The
>> features are equivalent. You can choose C or Rust version kernel
>> configuration.
>> 
>> Signed-off-by: Christina Quast <contact@...istina-quast.de>
> 
> Cool, but why?  Is this going to happen for all phy drivers going
> forward?  What's the end-game here, dropping all .c phy drivers that
> are in rust?  Or having duplicates for all of them?

I'd also like to know what's the intended purpose of rewriting a mature
existing PHY driver in Rust?