On 23/01/19 16:19, Joe Hershberger wrote:
/cut
+ transitions to/from a lower power consumption level (Low
Power Idle
+ mode) based on link utilization. When no packets are being
+ transmitted, the system goes to Low Power Idle mode to save power.
+
+ Under particular circumstances this setting can cause issues where
+ the PHY is unable to transmit or receive any packet when in LPI mode.
+ The problem is caused when the PHY is configured to stop receiving
+ the xMII clock while it is signaling LPI. When not stated otherwise
+ this bit is set by libphy in the linux kernel.
This seems to be copied from Linux, please update to describe what
happens in U-Boot.
It is not copied from Linux. The problem is that the libphy in the
kernel is flipping this bit and this is causing the issue in U-Boot on
reboot. So I'm saying exactly that.
--
Carlo Caione
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