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[Launchpad Bug Tracker <1335636@xxxxxxxxxxxxxxxxxx>]

** Branch linked: lp:ubuntu/trusty-proposed/linux-keystone

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https://bugs.launchpad.net/bugs/1335636

Title:
  x-gene sata phy tuning varies across platforms

Status in “linux” package in Ubuntu:
  Fix Released
Status in “linux” source package in Trusty:
  Fix Committed
Status in “linux” source package in Utopic:
  Fix Released

Bug description:
  The xgene-ahci driver sets sets the sata phy configuration, but this
  configuration can vary across platforms. Today the values we are using
  are optimal for the mustang development board, but suboptimal for
  other platforms. In general the recommendation is to move this into
  platform specific config in firmware - either by having firmware do
  the phy config, or by passing settings to the driver via device-tree
  config. But, that's a long term solution - in the short term, we can
  special case the Mustang board and use better default settings for
  other boards.

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