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mei: extract fw status registers

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Fetch FW status registers, as they are important in
in understanding of FW reset reasons

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>
This commit is contained in:
Alexander Usyskin
2014-03-31 17:59:23 +03:00
committed by Greg Kroah-Hartman
parent 61a1aea7c7
commit 04dd366195
5 changed files with 127 additions and 5 deletions
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10
drivers/misc/mei/init.c
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@@ -74,9 +74,13 @@ int mei_reset(struct mei_device *dev)
if (state != MEI_DEV_INITIALIZING &&
state != MEI_DEV_DISABLED &&
state != MEI_DEV_POWER_DOWN &&
state != MEI_DEV_POWER_UP)
dev_warn(&dev->pdev->dev, "unexpected reset: dev_state = %s\n",
mei_dev_state_str(state));
state != MEI_DEV_POWER_UP) {
struct mei_fw_status fw_status;
mei_fw_status(dev, &fw_status);
dev_warn(&dev->pdev->dev,
"unexpected reset: dev_state = %s " FW_STS_FMT "\n",
mei_dev_state_str(state), FW_STS_PRM(fw_status));
}
/* we're already in reset, cancel the init timer
* if the reset was called due the hbm protocol error