linux-kernel - Re: [PATCH] firmware: arm_scmi: Fix chan

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Message-ID: <169001322427.3545964.6410630104067663771.b4-ty@arm.com>
Date:   Sat, 22 Jul 2023 09:07:41 +0100
From:   Sudeep Holla <sudeep.holla@....com>
To:     linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Cristian Marussi <cristian.marussi@....com>
Cc:     Sudeep Holla <sudeep.holla@....com>, james.quinlan@...adcom.com,
        f.fainelli@...il.com, vincent.guittot@...aro.org, peng.fan@....com,
        quic_nkela@...cinc.com, Bjorn Andersson <andersson@...nel.org>
Subject: Re: [PATCH] firmware: arm_scmi: Fix chan_free cleanup on SMC

On Wed, 19 Jul 2023 18:35:33 +0100, Cristian Marussi wrote:
> SCMI transport based on SMC can optionally use an additional IRQ to signal
> message completion; the associated ISR is currently allocated using devres
> but the core SCMI stack, on shutdown, will call .chan_free() well before
> any managed cleanup is invoked by devres and, as a consequence, the arrival
> of a late reply to an in-flight pending transaction could still trigger the
> ISR well after the SCMI core has cleaned up the channels, with unpleasant
> results.
> 
> [...]

Applied to sudeep.holla/linux (for-next/scmi/fixes), thanks!

[1/1] firmware: arm_scmi: Fix chan_free cleanup on SMC
      https://git.kernel.org/sudeep.holla/c/d1ff11d7ad87
--
Regards,
Sudeep