Sarah Sharp f7b2e4032d Revert "xhci: replace xhci_read_64() with readq()" ...

This reverts commit e8b373326d.  Many xHCI
host controllers can only handle 32-bit addresses, and writing 64-bits
at a time causes them to fail.  Reading 64-bits at a time may also cause
them to return 0xffffffff, so revert this commit as well.

Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>

2014-01-30 13:27:49 -08:00

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