]> git.baikalelectronics.ru Git - kernel.git/commit
mei: me: generate an interrupt if the hw indicates reset.
authorAlexander Usyskin <alexander.usyskin@intel.com>
Thu, 2 Feb 2017 09:26:54 +0000 (11:26 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 3 Feb 2017 10:49:06 +0000 (11:49 +0100)
commit6aa6b9184335b423328775830ba55efe8bd5ba05
treeb2e1c8f28f7286d048b7ad24e9c91200a63aa8cd
parentbfb80efe613510852b41bcdbbe70f94a1a3d71f5
mei: me: generate an interrupt if the hw indicates reset.

In rare case the driver may lose connection with the device after device
reset due to a missed interrupt. The driver will unlock the flow by
generating an interrupt towards the firmware (HIG) when the device is in
the resetting state. The FW is able to ignore the interrupt during
orderly flow. The effected platforms are skylake and newer.

Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/misc/mei/hw-me.c