[GIT PULL] libata fixes for v4.9-rc2

[Tejun Heo]

Hello, Linus.

The AHCI MSI handling change in rc1 was a bit broken and caused disk
probing failures on some machines.  These three patches should fix the
issues.

Thanks.

The following changes since commit 1001354ca34179f3db924eb66672442a173147dc:

  Linux 4.9-rc1 (2016-10-15 12:17:50 -0700)

are available in the git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata.git for-4.9-fixes

for you to fetch changes up to 0ce57f8af1782fd12d3a81872a4ab97244989802:

  ahci: fix the single MSI-X case in ahci_init_one (2016-10-25 11:43:07 -0400)

----------------------------------------------------------------
Christoph Hellwig (3):
      ahci: only try to use multi-MSI mode if there is more than 1 port
      ahci: fix nvec check
      ahci: fix the single MSI-X case in ahci_init_one

 drivers/ata/ahci.c | 41 ++++++++++++++++++++++-------------------
 1 file changed, 22 insertions(+), 19 deletions(-)

-- 
tejun