From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f174.google.com (mail-pl1-f174.google.com [209.85.214.174]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A3D16323F7F for ; Tue, 23 Sep 2025 12:55:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.174 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758632145; cv=none; b=U2zT1DHzFUVmPofVeh1RpSbOYvphbgqek42tAf2Ehkhqfd+r9GUemGOXHjf84zRZTPKVV0scmCHJZos0apGT/leuA83pW//aOd/o6928Ip/qPwCYfsPCX37htRXB4ekqcRhR8fOxay9ueZyMYhCarNgvsH8JkFII5H1PHeLGqnQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758632145; c=relaxed/simple; bh=bPsm5BeBlCI99myQ/NU1P5fqNGX5920h4zo3ax7qRNc=; h=MIME-Version:References:In-Reply-To:From:Date:Message-ID:Subject: To:Cc:Content-Type; b=iV2vWeGpVd2iCNed5jnuBLip5DMAQ36izq+XM958s0QAOtYR0OV8b2Gi41PpjYff/CiyvaHqBHuX13ZY4E4XYoAXr8XWyNPVPwhpJts56uPI5mKxET7NcVYDglFFrU6boKnbc+brg5vlrg8Gve/xcTcylsq7iDPA19XK7TVSZ+0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=EPu1TXqR; arc=none smtp.client-ip=209.85.214.174 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="EPu1TXqR" Received: by mail-pl1-f174.google.com with SMTP id d9443c01a7336-24498e93b8fso5767015ad.3 for ; Tue, 23 Sep 2025 05:55:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1758632143; x=1759236943; darn=vger.kernel.org; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=bPsm5BeBlCI99myQ/NU1P5fqNGX5920h4zo3ax7qRNc=; b=EPu1TXqRMV9c3MkOmonYDNOUzm7pwPqZjgIheS/l365/v4CTMDcXk+VMKryE/aPC6f 1c9Jte/mSTfShot6B9THGCB6V2z/fPSGGciuZ21zoFdcG7+aEpF73sAFRBlolzGV0HgH O7pqPrSvTdbZfUU1FzOdsy1Vc6ng+1B/bELxO97Ecn3P0A4+mywoUi35c0YN5aYQ/eZt /+k6lPXuFDOdbg7pwc+1hqKO6QbTZiK3Ik7WH4968x/fRvMD1VEdJddtQfjlgKyBeGKZ FC3wGPHR3OIyAp6iPcwwTyLs2qyVacXGlYHBcx/xXsgX9Fy4qEmbb5Ek+tOM/GkMk5rQ orOA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1758632143; x=1759236943; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=bPsm5BeBlCI99myQ/NU1P5fqNGX5920h4zo3ax7qRNc=; b=Qh0flAxcLBFTCQOoc9oTVHe/cGTfZ2/6lGkfZB70t33HAE+oX6EzKvXXyJrbNvcH/c eNnhnwI5GsEr0g5bsqtSD+f0gLmt7ELw7uNPlc2NJ1A/89gjpMO7aBzLF03e7mqnbfVf XbPJhhggdI0rU+QTeB8EENnH0lIAVR8Hb5puB0k+DLLLvLJJ2Mj3wv73+uIfutHqZv5B FZxUSssed570F0rhA5VJHqoGXjWFaZInjJFwF0WwaNt9YuHphdxiIeQzi/ny0v+4VXGb tpZkCCPdJyRXK7/qNS9PmgQ3gCbAKbFBltuGggmgtgbC1XJ2rYYOdPure0+hjiunX5fN O1lA== X-Forwarded-Encrypted: i=1; AJvYcCX84mFwvOcHdST01XU0L+RRrd23Obo1uct9k0dJiXiW2HkqAH51sK2LrtpXLXCcx3bSobBT8lAEmr8/87BTag==@vger.kernel.org X-Gm-Message-State: AOJu0YyQC/KmYGt8TXjlu9K79xJz7XvmW/ky9exLceV6GJLUqLzxIVEb 6BqvEVCrrPRFWYpVPvXNx/PiNaZiv9vwUIum+wWASEBWFpd+2ydBncWTVC5hPuQI1rPIW4WEl5A uAf9OmwxWHu5IBl5dF0vy4dyFyw90k+0= X-Gm-Gg: ASbGncvz/n5FR4P3vfBAA3XkKLxmmmbqO3H6sOmU7psCBFlyUz+XeovGSBarDvmXWGZ ECBoI3Vh3reI1Sp4o4+zbBYYBvx5pTVpiKweXtJ8PIPM483Uu6Z9l2dC6K8E8JcpVU1OwFgI3ST HNhwmfusHLKnFcsNdgcBcN+gugpwxboMoMqvdIpl5ApA/tYwQJkxdcxsBiQosfpojmY0FKJbyy2 4SdU/mZQYDwkmjoZZO0/4gHwgLNKIMgXcZUCF674dxXWoYQFNj38qWpK7KFD/4Pp/sxaaU+8RMf BfrJQekT/gfpbTkJsQu4DM78HQ== X-Google-Smtp-Source: AGHT+IEVYX6ve7luR5GnSM4eICjSDTUTZRS+D8hMwmZQRsSzuaYCoXRh0iyJrxTjeZJZllU7L9GVHzx0ugS/+Ydl4II= X-Received: by 2002:a17:903:110e:b0:269:80e2:c5a8 with SMTP id d9443c01a7336-27cc94ca027mr19378695ad.7.1758632142902; Tue, 23 Sep 2025 05:55:42 -0700 (PDT) Precedence: bulk X-Mailing-List: rust-for-linux@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <20250825-b4-usb-v1-0-7aa024de7ae8@collabora.com> <2025092338-elbow-dash-373d@gregkh> In-Reply-To: From: Miguel Ojeda Date: Tue, 23 Sep 2025 14:55:30 +0200 X-Gm-Features: AS18NWBm0VpH3EPBG5YoC1bxFDVvYN6YlJxnFunV3o7Ts-fF_Inb73M49AabG_c Message-ID: Subject: Re: [PATCH 0/2] rust: usb: add initial USB abstractions To: Daniel Almeida Cc: Alice Ryhl , Greg Kroah-Hartman , Miguel Ojeda , Alex Gaynor , Boqun Feng , Gary Guo , =?UTF-8?Q?Bj=C3=B6rn_Roy_Baron?= , Benno Lossin , Andreas Hindborg , Trevor Gross , Danilo Krummrich , linux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org, linux-usb@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Tue, Sep 23, 2025 at 2:34=E2=80=AFPM Daniel Almeida wrote: > > Hmm, but the USB module is gated by #[cfg(CONFIG_USB) in lib.rs, so not h= aving > CONFIG_USB enabled should not return any errors and instead skip the USB > bindings completely. > > I wonder if this has to be CONFIG_USB=3Dy? Yes, the `kernel` crate is built-in and it is trying to call something from a module. Cheers, Miguel