Thread (47 messages) flat view 47 messages, 9 authors, 2007-05-22

Re: [PATCH 12/13] gianfar: Add flags for magic packet and MDIO.

From: Scott Wood <hidden>
Date: 2007-05-07 19:54:43

Kumar Gala wrote:
On May 7, 2007, at 1:29 PM, Scott Wood wrote:
quoted
The magic packet flag indicates that the hardware has this
capability.  The MDIO flag indicates that this device's
registers contain active MDIO registers, and thus this
device should not be put to sleep.

Can you explain the MDIO part further, do you mean its the tsec that  
has the MDIO registers in its address space or that its actively  using 
MDIO for something?
TSEC1 contains the MDIO registers for both TSEC1 and TSEC2.  Thus, TSEC1 
cannot be put to sleep if TSEC2 is active (plus, the phy timer would 
have to be deactivated).  For now, the simple approach of never sleeping 
TSEC1 is used.

-Scott
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