Freescale fec.c driver breakage

Greg Ungerer gerg at
Tue Jun 5 09:24:29 EDT 2012

On 06/05/2012 10:48 PM, Sascha Hauer wrote:
> On Tue, Jun 05, 2012 at 10:17:02PM +1000, Greg Ungerer wrote:
>>> clkdev
>>> provides an abstraction which can map these onto the platform, even if
>>> you don't use the generic clk API clkdev is still very useful and will
>>> help with a lot of these issues.
>> In this specific case I don't know what the ipg or ahb clocks are on iMX
>> (Sascha?), but there is nothing equivalent to them in the FEC cores used
>> on existing ColdFire CPUs. They seem to be platform specific (iMX) more
>> than FEC driver specific.
> I am sure the Coldfire FEC also needs clocks to work. Just like Mark
> said, they may be not software controllable. The names 'ipg' and 'ahb'
> may be i.MX specific though.

Well, yeah, of course there are clocks involved. But you pretty much
hit the point here. 'ipg' and 'ahb' here are platform specific.


Greg Ungerer  --  Principal Engineer        EMAIL:     gerg at
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