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Date:   Wed, 19 Jan 2022 14:30:09 +0000
To:     Claudiu Beznea <>
Subject: Re: [PATCH] net: phy: micrel: use kszphy_suspend()/kszphy_resume for irq
 aware devices


This patch was applied to netdev/net.git (master)
by David S. Miller <>:

On Tue, 18 Jan 2022 13:08:12 +0200 you wrote:
> On a setup with KSZ9131 and MACB drivers it happens on suspend path, from
> time to time, that the PHY interrupt arrives after PHY and MACB were
> suspended (PHY via genphy_suspend(), MACB via macb_suspend()). In this
> case the phy_read() at the beginning of kszphy_handle_interrupt() will
> fail (as MACB driver is suspended at this time) leading to phy_error()
> being called and a stack trace being displayed on console. To solve this
> .suspend/.resume functions for all KSZ devices implementing
> .handle_interrupt were replaced with kszphy_suspend()/kszphy_resume()
> which disable/enable interrupt before/after calling
> genphy_suspend()/genphy_resume().
> [...]

Here is the summary with links:
  - net: phy: micrel: use kszphy_suspend()/kszphy_resume for irq aware devices

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