From: Vinod Koul <vkoul@kernel.org>
To: Kishon Vijay Abraham I <kishon@kernel.org>,
Abel Vesa <abel.vesa@linaro.org>,
Neil Armstrong <neil.armstrong@linaro.org>,
Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Cc: linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org,
linux-kernel@vger.kernel.org,
Johan Hovold <johan+linaro@kernel.org>
Subject: Re: [PATCH v3] phy: use per-PHY lockdep keys
Date: Sun, 15 Jun 2025 22:22:09 +0530 [thread overview]
Message-ID: <175000632923.1180789.17293154013004418524.b4-ty@kernel.org> (raw)
In-Reply-To: <20250605-phy-subinit-v3-1-1e1e849e10cd@oss.qualcomm.com>
On Thu, 05 Jun 2025 14:25:49 +0300, Dmitry Baryshkov wrote:
> If the PHY driver uses another PHY internally (e.g. in case of eUSB2,
> repeaters are represented as PHYs), then it would trigger the following
> lockdep splat because all PHYs use a single static lockdep key and thus
> lockdep can not identify whether there is a dependency or not and
> reports a false positive.
>
> Make PHY subsystem use dynamic lockdep keys, assigning each driver a
> separate key. This way lockdep can correctly identify dependency graph
> between mutexes.
>
> [...]
Applied, thanks!
[1/1] phy: use per-PHY lockdep keys
commit: cf0233491b3a15933234a26efd9ecbc1c0764674
Best regards,
--
~Vinod
prev parent reply other threads:[~2025-06-15 16:52 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-05 11:25 Dmitry Baryshkov
2025-06-15 16:52 ` Vinod Koul [this message]
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