From: sashiko-bot@kernel.org
To: "Radhey Shyam Pandey" <radhey.shyam.pandey@amd.com>
Cc: linux-serial@vger.kernel.org
Subject: Re: [PATCH v2] serial: xilinx_uartps: fix runtime PM race during probe
Date: Mon, 09 Nov 2026 07:31:33 +0000 [thread overview]
Message-ID: <sashiko-outbox-204543@kernel.org> (raw)
In-Reply-To: <20261109071916.731116-1-radhey.shyam.pandey@amd.com>
> From: Shubhrajyoti Datta <shubhrajyoti.datta@amd.com>
>
> pm_runtime_enable() was called with usage_count=0, allowing the PM
> core to immediately queue a deferred suspend via pm_runtime_work.
> This raced with console write, causing cdns_runtime_suspend to
> fire before the port was fully registered.
>
> Hold a reference with pm_runtime_get_noresume() before enabling
> runtime PM.
>
> Fixes: d62100f1aac2 ("serial: xilinx_uartps: Add pm runtime support")
> Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@amd.com>
> Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@amd.com>
Sashiko has reviewed this patch and found no issues.
--
Sashiko AI review · https://sashiko.dev/#/patchset/20261109071916.731116-1-radhey.shyam.pandey@amd.com?part=1
prev parent reply other threads:[~2026-11-09 7:31 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-09 7:19 [PATCH v2] serial: xilinx_uartps: fix runtime PM race during probe Radhey Shyam Pandey
2026-11-09 7:31 ` sashiko-bot [this message]
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