From: Auke Kok Date: Wed, 31 Oct 2007 22:22:00 +0000 (-0700) Subject: e1000e: Disable L1 ASPM power savings for 82573 mobile variants X-Git-Tag: v2.6.25-rc1~1162^2~625 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1eae4eb2a1c784bf35ee4f8f158cd21cf8c387c1;p=pandora-kernel.git e1000e: Disable L1 ASPM power savings for 82573 mobile variants L1 ASPM link (pci-e link power savings) has significant benefits (~1W savings when link is active) but unfortunately does not work correctly on any of the chipsets that have 82573 on mobile platforms which causes various nuisances: - eeprom reads return garbage information leading to bad eeprom checksums - long ping times (up to 2 seconds) - complete system hangs (freeze/lockup) A lot of T60 owners have been plagued by this, but other mobile solutions also suffer from these symptoms. Disabling L1 ASPM before we activate the PCI-E link fixes all of these issues at the cost of some power consumption. Remove a workaround RDTR adjustment that is no longer needed with this new one. Signed-off-by: Auke Kok Signed-off-by: Jeff Garzik --- Reading git-diff-tree failed