linux-kernel - Re: [PATCH v14 7/7] riscv: dts: thead: Add PWM fan and thermal control

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Message-ID: <CANiq72kAVmfSyAs71pmmVCq8f-rA1BECZ9iCTcTxiLfsO9-V6g@mail.gmail.com>
Date: Sat, 23 Aug 2025 16:20:51 +0200
From: Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
To: Michal Wilczynski <m.wilczynski@...sung.com>
Cc: Drew Fustini <fustini@...nel.org>, Uwe Kleine-König <ukleinek@...nel.org>, 
	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>, 
	Andreas Hindborg <a.hindborg@...nel.org>, Alice Ryhl <aliceryhl@...gle.com>, 
	Trevor Gross <tmgross@...ch.edu>, Danilo Krummrich <dakr@...nel.org>, Guo Ren <guoren@...nel.org>, 
	Fu Wei <wefu@...hat.com>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt <palmer@...belt.com>, 
	Albert Ou <aou@...s.berkeley.edu>, Alexandre Ghiti <alex@...ti.fr>, 
	Marek Szyprowski <m.szyprowski@...sung.com>, Benno Lossin <lossin@...nel.org>, 
	Michael Turquette <mturquette@...libre.com>, Daniel Almeida <daniel.almeida@...labora.com>, 
	linux-kernel@...r.kernel.org, linux-pwm@...r.kernel.org, 
	rust-for-linux@...r.kernel.org, linux-riscv@...ts.infradead.org, 
	devicetree@...r.kernel.org
Subject: Re: [PATCH v14 7/7] riscv: dts: thead: Add PWM fan and thermal control

On Sat, Aug 23, 2025 at 12:14 PM Michal Wilczynski
<m.wilczynski@...sung.com> wrote:
>
> However as pointed in the discussion currently Rust
> requires LLVM, so people compiling with gcc will not be able to compile
> the driver for some time until the gcc support becomes better.

In case it helps/clarifies: the C side can be built with GCC (i.e.
building without `LLVM=1`, with Rust using its LLVM backend), but it
is a best-effort hack and the goal is to eventually use
`rustc_codegen_gcc` and/or GCC Rust. Some users/distributions use it
nevertheless.

Cheers,
Miguel