From: Danilo Krummrich <dakr@kernel.org>
To: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Linux ACPI <linux-acpi@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
Linux Driver Core Development <driver-core@lists.linux.dev>
Subject: Re: [PATCH v2] driver core/ACPI: Introduce companion_bus_register()
Date: Wed, 16 Sep 2026 20:51:14 +0200 [thread overview]
Message-ID: <77f3693b-9d45-4a1a-b2fb-3b168bc8542e@kernel.org> (raw)
In-Reply-To: <6329043.lOV4Wx5bFT@rafael.j.wysocki>
On 9/9/26 6:41 PM, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
>
> The ACPI bus type does not allow drivers to be registered, so the sysfs
> attributes related to drivers created for it and its devices are
> useless, and its drivers/ directory is always empty. All of that is
> confusing and wasteful.
>
> To allow skipping the creation of those sysfs attributes, introduce a
> "companion" bus type concept and add a special registration function for
> registering "companion" bus types, companion_bus_register().
>
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Danilo Krummrich <dakr@kernel.org>
prev parent reply other threads:[~2026-09-16 18:51 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-09 16:41 Rafael J. Wysocki
2026-09-16 18:45 ` Rafael J. Wysocki (Intel)
2026-09-16 18:52 ` Greg Kroah-Hartman
2026-09-16 18:51 ` Danilo Krummrich [this message]
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