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Commit 783100f6 authored by Alexander Usyskin's avatar Alexander Usyskin Committed by Greg Kroah-Hartman
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mei: bus-fixup: set timeout for MKHI send operations



Set a timeout for MKHI client send operations in the bus fixup routines
to prevent potential lock-ups on the cl_bus_lock mutex.
In rare conditions, such as when the i915 or Xe driver is stopping and
not routing interrupts or when GSC FW is in unexpectedly reset the fixup
routines can get stuck.

Signed-off-by: default avatarAlexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: default avatarTomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20240615063159.1460290-1-tomas.winkler@intel.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent c4681b2b
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