Add polling option for CSC hardware with not working interrupt line.
Enable it by default as current hardware is broken.
Fix common mei-me polling code to avoid stalls and access to
powered down hardware.

Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
---
Alexander Usyskin (4):
      mei: make polling wait interruptible
      mei: csc: add option for polling and enable it
      mei: me: avoid hw access in polling when not active
      mei: me: reduce active polling timeout to 20 ms

 drivers/misc/mei/gsc-me.c  |  2 +-
 drivers/misc/mei/hw-me.c   | 99 +++++++++++++++++++++++++++-------------------
 drivers/misc/mei/pci-csc.c | 71 +++++++++++++++++++++++++--------
 3 files changed, 115 insertions(+), 57 deletions(-)
---
base-commit: 45c13f3f9e3bb15fd89ff2864c6f627a3b4b4229
change-id: 20260831-cri_polling-92ce7f9061f2

Best regards,
-- 
Alexander Usyskin <alexander.usyskin@intel.com>