From: Shawn Guo <shawnguo@kernel.org>
To: Philippe Schenker <dev@pschenker.ch>
Cc: devicetree@vger.kernel.org,
Philippe Schenker <philippe.schenker@toradex.com>,
Andrejs Cainikovs <andrejs.cainikovs@toradex.com>,
Fabio Estevam <festevam@gmail.com>,
Francesco Dolcini <francesco.dolcini@toradex.com>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Marcel Ziswiler <marcel.ziswiler@toradex.com>,
NXP Linux Team <linux-imx@nxp.com>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Rob Herring <robh+dt@kernel.org>,
Sascha Hauer <s.hauer@pengutronix.de>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] arm64: dts: imx8mm-verdin: Do not power down eth-phy
Date: Thu, 26 Jan 2023 15:32:36 +0800 [thread overview]
Message-ID: <20230126073235.GU20713@T480> (raw)
In-Reply-To: <20230116140153.23938-1-dev@pschenker.ch>
On Mon, Jan 16, 2023 at 03:01:52PM +0100, Philippe Schenker wrote:
> From: Philippe Schenker <philippe.schenker@toradex.com>
>
> Currently if suspending using either freeze or memory state, the fec
> driver tries to power down the phy which leads to crash of the kernel
> and non-responsible kernel with the following call trace:
>
> [ 24.839889 ] Call trace:
> [ 24.839892 ] phy_error+0x18/0x60
> [ 24.839898 ] kszphy_handle_interrupt+0x6c/0x80
> [ 24.839903 ] phy_interrupt+0x20/0x2c
> [ 24.839909 ] irq_thread_fn+0x30/0xa0
> [ 24.839919 ] irq_thread+0x178/0x2c0
> [ 24.839925 ] kthread+0x154/0x160
> [ 24.839932 ] ret_from_fork+0x10/0x20
>
> Since there is currently no functionality in the phy subsystem to power
> down phys let's just disable the feature of powering-down the ethernet
> phy.
>
> Fixes: 6a57f224f734 ("arm64: dts: freescale: add initial support for verdin imx8m mini")
> Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com>
Applied, thanks!
prev parent reply other threads:[~2023-01-26 7:32 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-16 14:01 [PATCH] arm64: dts: imx8mm-verdin: Do not power down eth-phy Philippe Schenker
2023-01-26 7:32 ` Shawn Guo [this message]
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