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mei: csc: wake device while reading firmware status
authorAlexander Usyskin <alexander.usyskin@intel.com>
Sun, 1 Feb 2026 09:43:58 +0000 (11:43 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 2 Apr 2026 15:08:37 +0000 (17:08 +0200)
commit0a18c3bc8d294f1f23daa9f9ee44e5dd2c2994d6
tree9c1873f98e05ac870de9b99ef1ae7d67c20f9430tree | snapshot
parent72fdf0bbd3574a67148fb41473593196687a9a0ecommit | diff
mei: csc: wake device while reading firmware status

The CSC has firmware status registers in MMIO and they may be
unaccessible while device is suspended.
Wake device while reading firmware status via sysfs.

Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Link: https://patch.msgid.link/20260201094358.1440593-8-alexander.usyskin@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/misc/mei/main.c diff | blob | blame | history
drivers/misc/mei/mei_dev.h diff | blob | blame | history
drivers/misc/mei/pci-csc.c diff | blob | blame | history
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