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Message-ID: <fe6c4f2f-812d-61b8-3ffb-7ed7dd89d151@denx.de> Date: Tue, 28 May 2019 23:33:33 +0200 From: Marek Vasut <marex@...x.de> To: Andrew Lunn <andrew@...n.ch> Cc: Heiner Kallweit <hkallweit1@...il.com>, netdev@...r.kernel.org, Florian Fainelli <f.fainelli@...il.com>, Guenter Roeck <linux@...ck-us.net>, Jean Delvare <jdelvare@...e.com>, linux-hwmon@...r.kernel.org Subject: Re: [PATCH V2] net: phy: tja11xx: Add IRQ support to the driver On 5/28/19 11:22 PM, Andrew Lunn wrote: >> The link detection on the TJA1100 (not TJA1101) seems unstable at best, >> so I better use all the interrupt sources to nudge the PHY subsystem and >> have it check the link change. > > Then it sounds like you should just ignore interrupts and stay will > polling for the TJA1100. Polling for the link status change is slow(er) than the IRQ driven operation, so I would much rather use the interrupts. -- Best regards, Marek Vasut
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