From: Sebastian Hesselbarth <[email protected]> Date: Wed, 20 Nov 2013 21:54:19 +0100
> Right, as far as I understand BMCR powerdown, i.e. what is called in > genphy_suspend/resume, powers down the PHY but _does_ retain PHY > config. > It is not resetting the device. > > I haven't checked a lot of datasheets but [1] notes that "registers > will > preserve their configuration". Even if we have PHYs that do not > preserve > it, they should have a device specific callback for suspend/resume > that > takes care of preserving it. > > [1] http://www.ti.com/lit/an/snoa463a/snoa463a.pdf Thanks, that addresses my concerns. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
