From: Simon Horman <horms@kernel.org>
To: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: netdev@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>,
Linux ACPI <linux-acpi@vger.kernel.org>,
Richard Cochran <richardcochran@gmail.com>,
Andrew Lunn <andrew+netdev@lunn.ch>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>
Subject: Re: [PATCH v1] ptp: vmw: Convert to a platform driver
Date: Tue, 17 Mar 2026 16:32:15 +0000 [thread overview]
Message-ID: <20260317163215.GA1753385@horms.kernel.org> (raw)
In-Reply-To: <12883468.O9o76ZdvQC@rafael.j.wysocki>
On Sat, Mar 14, 2026 at 12:43:33PM +0100, Rafael J. Wysocki wrote:
> From: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
>
> In all cases in which a struct acpi_driver is used for binding a driver
> to an ACPI device object, a corresponding platform device is created by
> the ACPI core and that device is regarded as a proper representation of
> underlying hardware. Accordingly, a struct platform_driver should be
> used by driver code to bind to that device. There are multiple reasons
> why drivers should not bind directly to ACPI device objects [1].
>
> Overall, it is better to bind drivers to platform devices than to their
> ACPI companions, so convert the PTP VMware ACPI driver to a platform
> one.
>
> While this is not expected to alter functionality, it changes sysfs
> layout and so it will be visible to user space.
>
> Link: https://lore.kernel.org/all/2396510.ElGaqSPkdT@rafael.j.wysocki/ [1]
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
next prev parent reply other threads:[~2026-03-17 16:32 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-14 11:43 [PATCH v1] ptp: vmw: Convert to a platform driver Rafael J. Wysocki
2026-03-17 16:32 ` Simon Horman [this message]
2026-03-18 3:20 ` patchwork-bot+netdevbpf
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