ahci: Set upper 32-bit registers to zero

If the HBA supports 64-bit addressing, the registers may contain
non-zero values, for example after reboot as a leftover from the
OS driving the adapter.

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Ladi Prosek <lprosek@redhat.com>
(cherry picked from commit 106543deb447c4005f9a9845f1f43a72547f6209)
1 file changed
tree: db4f34b4f6314fb5eeaa341f0693880f4e821885
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  4. Makefile
  5. README
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  7. scripts/
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