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Date: Wed, 4 May 2022 00:26:49 +0200 From: Andrew Lunn <andrew@...n.ch> To: Lukas Wunner <lukas@...ner.de> Cc: "David S. Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org, linux-usb@...r.kernel.org, Steve Glendinning <steve.glendinning@...well.net>, UNGLinuxDriver@...rochip.com, Oliver Neukum <oneukum@...e.com>, Andre Edich <andre.edich@...rochip.com>, Oleksij Rempel <linux@...pel-privat.de>, Martyn Welch <martyn.welch@...labora.com>, Gabriel Hojda <ghojda@...urs.ro>, Christoph Fritz <chf.fritz@...glemail.com>, Lino Sanfilippo <LinoSanfilippo@....de>, Philipp Rosenberger <p.rosenberger@...bus.com>, Heiner Kallweit <hkallweit1@...il.com>, Russell King <linux@...linux.org.uk>, Ferry Toth <fntoth@...il.com> Subject: Re: [PATCH net-next v2 7/7] net: phy: smsc: Cope with hot-removal in interrupt handler On Tue, May 03, 2022 at 03:15:07PM +0200, Lukas Wunner wrote: > If reading the Interrupt Source Flag register fails with -ENODEV, then > the PHY has been hot-removed and the correct response is to bail out > instead of throwing a WARN splat and attempting to suspend the PHY. > The PHY should be stopped in due course anyway as the kernel > asynchronously tears down the device. > > Tested-by: Oleksij Rempel <o.rempel@...gutronix.de> # LAN9514/9512/9500 > Tested-by: Ferry Toth <fntoth@...il.com> # LAN9514 > Signed-off-by: Lukas Wunner <lukas@...ner.de> Reviewed-by: Andrew Lunn <andrew@...n.ch> Andrew
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