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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2006-01-23 16:30:04 -0800
committerDavid S. Miller <davem@davemloft.net>2006-01-23 16:30:04 -0800
commit40727198bfb2ce5842a6e8c7f89cf8a40ff7bf14 (patch)
tree1e19997075ecd5cc46de631bd8342cca1f559974 /net/core
parent8ae55f0489d9a3446fcdaf4ffedda249234b8572 (diff)
[SUNGEM]: Make PM of PHYs more reliable (#2)
On my latest laptop, I've had occasional PHY dead on wakeup from sleep... the PHY would be totally unresponsive even to toggling the hard reset line until the machine is powered down... Looking closely at the code, I found some possible issues in the way we setup the MDIO lines during suspend along with slight divergences from what Darwin does when resetting it that may explain the problem. That patch change these and the problem appear to be gone for me at least... I also fixed an mdelay -> msleep while I was at it to the pmac feature code that is called when toggling the PHY reset line since sungem doesn't call it in an atomic context anymore. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>b Signed-off-by: David S. Miller <davem@davemloft.net>
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