Re: [PATCH 0/3] net: fec: Reset ethernet PHY whenever the enet_out clock
From: Lothar WaÃmann
Date: Tue Dec 01 2015 - 02:25:59 EST
Hi,
> From: Lothar WaÃmann <LW@xxxxxxxxxxxxxxxxxxx> Sent: Monday, November 30, 2015 7:33 PM
> > To: Andrew Lunn; David S. Miller; Estevam Fabio-R49496; Greg Ungerer;
> > Kevin Hao; Lothar WaÃmann; Lucas Stach; Duan Fugang-B38611; Philippe
> > Reynes; Richard Cochran; Russell King; Sascha Hauer; Stefan Agner; linux-
> > kernel@xxxxxxxxxxxxxxx; netdev@xxxxxxxxxxxxxxx; Jeff Kirsher; Uwe Kleine-
> > KÃnig
> > Subject: [PATCH 0/3] net: fec: Reset ethernet PHY whenever the enet_out
> > clock
> >
> > This patchset fixes a regression introduced by commit 8fff755e9f8d ("net:
> > fec: Ensure clocks are enabled while using mdio bus") for ethernet PHYs
> > that are using ENET_OUT as reference clock (on i.MX6 or i.MX28)
> >
> Do you mean commit 8fff755e9f8d cause your problem ? This commit just manage ipg clock in runtime because mdio bus can access external phy switch no matter netdev status.
>
No. Actually I meant commit e8fcfcd5684a ("net: fec: optimize the clock management to save power")
which started to disable the clocks when not in use.
Sorry for the confusion,
Lothar WaÃmann
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