From nobody Wed Dec 17 07:24:43 2025 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6E65F1EC013; Wed, 19 Mar 2025 20:35:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742416508; cv=none; b=hIOJHC4mt7GSGcOHt/u10YztXA2BimxjiIfE3gIc1AspRVZKW3yWlyJD8cRs6ryMu8y+30cRZE58NuvKEMVEKkwDdRXMT0o9zuY51IScsGzOICzqDKnblWdt6z6SgahP8XaPtq2x277m2BXxv8uf+OJsHhcOrrTuxK6rqvmlpzs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742416508; c=relaxed/simple; bh=E96WYj6OXwZvjyqYORmOiFImfPx6kL3Y08R1UPDGqt4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=o6yp4XIV7GpuO9SrFssgsh8TB8ZHWiu0iJjH4FYEVtUTVqa1ePo+l6RvnarC8ywbLVU/VjtBSXWXQSzQW3rvgD2rd9rD/fA1v7da71aeS+Io2E/fgkYRtAVjywLEZeTuKk3vv5Mpdv6nAgp+kj8uW5hWx+X/Mx4A0LsBwi2/VDo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=LaWeIQj3; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="LaWeIQj3" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0D220C4CEE4; Wed, 19 Mar 2025 20:35:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1742416508; bh=E96WYj6OXwZvjyqYORmOiFImfPx6kL3Y08R1UPDGqt4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=LaWeIQj3AeL5SM8wu56XFOjEqUMOUmsJSS1mysMKNTEA2mvY9AYOnWY+ofWN3tVIC cc14bhtC5iQeqfQZsB8usWy21qyBgJKkB1EBZ7mLvbnCJGqmeorz4ZRz1Cd4URcI7O SBX/o3mESJG5DWvvaoWwQUyr2ljFr3KoY4/o5RhTR69xQ0mihSpMM95d54ULanay3W lgCE1okM3VngqlcijMe2lheiGyCkzCabB52WSQvv0MXs0JxIo2wNUHWl3AU+fKXtLk SrJd9i+LZSRxLJ11Jx28jJgKEin0fAwL3RnG0JEoWu+ecqAF7vvyIlmnDK+q8jvbyw 5xX4jUNrl/zzg== From: Danilo Krummrich To: gregkh@linuxfoundation.org, rafael@kernel.org, ojeda@kernel.org, alex.gaynor@gmail.com, boqun.feng@gmail.com, gary@garyguo.net, bjorn3_gh@protonmail.com, benno.lossin@proton.me, a.hindborg@kernel.org, aliceryhl@google.com, tmgross@umich.edu, airlied@gmail.com, acourbot@nvidia.com, jhubbard@nvidia.com Cc: linux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org, Danilo Krummrich Subject: [PATCH v3 2/5] driver: core: auxiliary: export auxiliary_bus_type Date: Wed, 19 Mar 2025 21:33:54 +0100 Message-ID: <20250319203455.132539-3-dakr@kernel.org> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250319203455.132539-1-dakr@kernel.org> References: <20250319203455.132539-1-dakr@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" In Rust we can safely derive a struct auxiliary_device pointer from a generic struct device pointer by checking dev->bus =3D=3D auxiliary_bus_type hence, export auxiliary_bus_type. Signed-off-by: Danilo Krummrich --- drivers/base/auxiliary.c | 3 ++- include/linux/auxiliary_bus.h | 2 ++ 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/base/auxiliary.c b/drivers/base/auxiliary.c index afa4df4c5a3f..213e26c2747d 100644 --- a/drivers/base/auxiliary.c +++ b/drivers/base/auxiliary.c @@ -244,7 +244,7 @@ static void auxiliary_bus_shutdown(struct device *dev) auxdrv->shutdown(auxdev); } =20 -static const struct bus_type auxiliary_bus_type =3D { +const struct bus_type auxiliary_bus_type =3D { .name =3D "auxiliary", .probe =3D auxiliary_bus_probe, .remove =3D auxiliary_bus_remove, @@ -253,6 +253,7 @@ static const struct bus_type auxiliary_bus_type =3D { .uevent =3D auxiliary_uevent, .pm =3D &auxiliary_dev_pm_ops, }; +EXPORT_SYMBOL_GPL(auxiliary_bus_type); =20 /** * auxiliary_device_init - check auxiliary_device and initialize diff --git a/include/linux/auxiliary_bus.h b/include/linux/auxiliary_bus.h index 65dd7f154374..d4ad9233bfd0 100644 --- a/include/linux/auxiliary_bus.h +++ b/include/linux/auxiliary_bus.h @@ -197,6 +197,8 @@ struct auxiliary_driver { const struct auxiliary_device_id *id_table; }; =20 +extern const struct bus_type auxiliary_bus_type; + static inline void *auxiliary_get_drvdata(struct auxiliary_device *auxdev) { return dev_get_drvdata(&auxdev->dev); --=20 2.48.1