Hi Andrew, On Sat, Jul 25, 2015 at 5:38 PM, Andrew Lunn <and...@lunn.ch> wrote: > When a switch is attached to the mdio bus, the mdio bus can be used > while the interface is not open. If the IPG clock is not enabled, MDIO > reads/writes will simply time out. > > Add support for runtime PM to control this clock. Enable/disable this > clock using runtime PM, with open()/close() and mdio read()/write() > function triggering runtime PM operations. Since PM is optional, the > IPG clock is enabled at probe and is no longer modified by > fec_enet_clk_enable(), thus if PM is not enabled in the kernel, it is > guaranteed the clock is running when MDIO operations are performed. > > Signed-off-by: Andrew Lunn <and...@lunn.ch> > Signed-off-by: Lucas Stach <l.st...@pengutronix.de> > Cc: tyler.ba...@linaro.org > Cc: fabio.este...@freescale.com > Cc: shawn....@linaro.org > --- > > v5 was accepted and then reverted, because it broke imx6. Lucas Stach > debugged what was going wrong and provided a patch. Thanks Lucas. This > has been squashed into v6. > > It would be good if this version had more testing on various platforms > before it is accepted. If you reported a problem last time, please do > test and send a Tested-by:
With this version I can boot via NFS on a mx6 board: Tested-by: Fabio Estevam <fabio.este...@freescale.com> Thanks -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
