Messages in this thread | | | Date | Fri, 15 Dec 2017 11:10:14 +0100 | From | Andrew Lunn <> | Subject | Re: [net-next] phylib: Add device reset GPIO support causes DSA MT7530 acquires reset-gpios fails |
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On Fri, Dec 15, 2017 at 02:55:03PM +0800, Sean Wang wrote: > Hi Sergei, > > Recently I found the patch commit bafbdd527d56 (phylib: Add device reset > GPIO support) would have the impact on MT7530 driver. Which causes the > DSA MT7530 device (it's the child node under mdio bus) gets the > reset-gpios fails because the same GPIO seems already be held in the > earlier mdiobus_register_device call patched through the commit. > > do you have any idea how the commits also considers DSA case ? > > I guessed the DSA lan9303, mv88e8 switch should have the same issue > since they have the same GPIO name as mdiobus_register_device required.
Hi Sean
Ah, not good :-(
I _think_ for the mv88e6xxx, we can remove the gpio reset code from the driver, and let the mdio core do it. I need to test to be sure.
Would that work for you?
Andrew
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