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From: "Abdurrahman Hussain" <abdurrahman@nexthop.ai>
To: "Rob Herring" <robh@kernel.org>,
	"Saravana Kannan" <saravanak@kernel.org>
Cc: <devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v8 0/6] of: teach overlay code to keep /aliases in sync
Date: Wed, 04 Nov 2026 16:09:55 -0800	[thread overview]
Message-ID: <DMMUAAR38EEA.3CXX3YB386C6C@nexthop.ai> (raw)
In-Reply-To: <20261014-nh-of-alias-overlay-v8-0-0f74f05ac762@nexthop.ai>

Hi Rob, Saravana,

Gentle ping on v8 now that 7.4-rc1 is out. Patchwork has the six
patches as "Needs ACK", so I'm guessing the open item is the one
design question from v7: what happens when an overlay alias names an
id that a subsystem already handed out dynamically.

The cover letter has the full analysis. In short, i2c and spi fail
registration with -EBUSY and serial with -EINVAL, so the device never
silently ends up on a shared number. v8 keeps that loud failure and
documents it in overlay-notes.rst (patch 4) instead of adding a
mechanism.

Can you tell me whether that contract is acceptable? If you'd rather
the OF core reject such an alias up front, I'll do that in v9. Either
way, a yes or no on this would unblock the series.

Thanks,
Abdurrahman

  parent reply	other threads:[~2026-11-05  0:09 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-14 23:17 Abdurrahman Hussain
2026-10-14 23:17 ` [PATCH v8 1/6] of/overlay: look up absolute target-paths absolutely Abdurrahman Hussain
2026-10-14 23:17 ` [PATCH v8 2/6] of/overlay: return ERR_PTR from dup_and_fixup_symbol_prop() Abdurrahman Hussain
2026-10-14 23:17 ` [PATCH v8 3/6] of: hold a reference on of_aliases during alias path resolution Abdurrahman Hussain
2026-10-14 23:17 ` [PATCH v8 4/6] of: update /aliases lookup on reconfig notifications Abdurrahman Hussain
2026-10-14 23:17 ` [PATCH v8 5/6] of/overlay: rewrite /aliases path values to live-tree paths Abdurrahman Hussain
2026-10-14 23:17 ` [PATCH v8 6/6] of: unittest: cover /aliases updates from overlay apply/revert Abdurrahman Hussain
2026-11-05  0:09 ` Abdurrahman Hussain [this message]
2026-11-05 12:40 ` [PATCH v8 0/6] of: teach overlay code to keep /aliases in sync Rob Herring
2026-11-06  2:11   ` Abdurrahman Hussain

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