Hi Andrew, On Wed, Jun 07, 2017 at 02:12:05PM +0200, Andrew Lunn wrote: > On Wed, Jun 07, 2017 at 10:38:08AM +0200, Antoine Tenart wrote: > > This patch adds the xMDIO interface support in the mvmdio driver. This > > interface is used in Ethernet controllers on Marvell 370, 7k and 8k (as > > of now). The xSMI interface supported by this driver complies with the > > IEEE 802.3 clause 45 (while the SMI interface complies with the clause > > 22). The xSMI interface is used by 10GbE devices. > > I've only take a quick look, but i don't see anywhere you look at the > register address and see if it has MII_ADDR_C45 to determine if a C45 > transaction should be done, or a C22. The MDIO bus can have a mix of > C45 and C22 devices on it, and you need to use the correct transaction > type depending on the target device/address.
So this could be dynamic and not based on the compatible. I'll try this and see if it can work. Thanks! -- Antoine Ténart, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com
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