[RFC PATCH 00/12] usb: xhci: groundwork for secondary interrupters

[Niklas Neronin <niklas.neronin@linux.intel.com>]

Prepare the xhci driver for supporting secondary interrupters. It does not
enable them yet, but removes several obstacles in the current design.

Key changes:
 * Avoid freeing and reallocating structures during hibernation resume.
 * Consolidate interrupter initialization into a single place.
 * Add the ability to distinguish different interrupter types.

These changes lay the foundation needed before secondary interrupters
can be introduced.

Niklas Neronin (12):
  usb: xhci: simplify CMRT initialization logic
  usb: xhci: relocate Restore/Controller error check
  usb: xhci: simplify USBSTS register reset
  usb: xhci: move reserving command ring trb
  usb: xhci: move ring initialization
  usb: xhci: move initialization for lifetime objects
  usb: xhci: split core allocation and initialization
  usb: xhci: improve debug messages during suspend
  usb: xhci: optimize resuming from S4 (suspend-to-RAM)
  usb: xhci: add interrupter type
  usb: xhci: prepare for multiple interrupters
  usb: xhci: prepare IRQ handler for multiple interrupters

 drivers/usb/host/xhci-mem.c      |  33 ++---
 drivers/usb/host/xhci-pci.c      |   6 +-
 drivers/usb/host/xhci-ring.c     |  19 ++-
 drivers/usb/host/xhci-sideband.c |   1 +
 drivers/usb/host/xhci.c          | 205 +++++++++++++++----------------
 drivers/usb/host/xhci.h          |  13 +-
 6 files changed, 150 insertions(+), 127 deletions(-)

-- 
2.50.1