Thread (18 messages) 18 messages, 4 authors, 2026-02-02

Re: [PATCH v2 3/4] mctp i2c: Enable SMBus ARP discovery

From: Jakub Kicinski <kuba@kernel.org>
Date: 2026-01-22 16:05:30
Also in: linux-i2c, lkml

On Thu, 22 Jan 2026 15:36:05 +0100 Paolo Abeni wrote:
On 1/21/26 10:23 AM, Heikki Krogerus wrote:
quoted
Since the SMBus Address Resolution Protocol (ARP) is now
supported with all I2C host adapters, every ARP-capable MCTP
device will get automatically enumerated. Those devices just
need to be bind to this driver.

The SMBus ARP-capable MCTP devices are identified by
checking the interface (MCTP SMBus/I2C Transport Binding
Specification section 6.5). The interface must match the ASF
protocol, so all devices that use the ASF protocol as their
interface will be probed by this driver.

Link: https://www.dmtf.org/sites/default/files/standards/documents/DSP0237_1.2.0.pdf
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>  
This patch depends on 1/4 but it looks like it could be a follow-up to
the main series. If so, I think it would be better to re-submit it after
the relevant code landed in net-next to avoid cross sub-tree problems.

Otherwise I think it should go via I2C tree - and we will solve
conflicts as needed later on.
+1 I don't wanna speak for Jeremy and Matt but with their Ack, and
assuming there's no dependency in net-next I think i2c tree may
be the easiest path? There isn't much code in the series under
drivers/net.
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