Am 24.10.2014 22:34 schrieb "Tim Tisdall" <[email protected]>: > > On Fri, Oct 24, 2014 at 3:51 PM, Christian Ege <[email protected]> wrote: >> >> Am 23.10.2014 20:17 schrieb "Tim Tisdall" <[email protected]>: >> > >> > Does anyone have a device with an ICplus IP101A PHYceiver that's properly working? I've had it working intermittently but not consistently. I'm at a loss as to what the issue could be. >> > >> I do not own one. But maybe this is an issue with clock skew. Some Phy's allow the setting of a clock skew. We had stability issues with a micrel phy and fixed them by tuning clock skew. > > How does one do that? Did you have to modify the kernel driver source code to make those changes? > We did this for a different platform I.mx6 based. As a first approach we patched u-boot and kernel a second one was using device tree. As I remember there had been patches to tweak this from user space as well.
The values itself have been calculated be some h/w eng. We used the dived and concur approach which resulted in the same values. Regards, Christian > -- > You received this message because you are subscribed to the Google Groups "linux-sunxi" group. > To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
