* [char-misc 3.10] mei: me: clear interrupts on the resume path
@ 2013-06-05 7:51 Tomas Winkler
0 siblings, 0 replies; only message in thread
From: Tomas Winkler @ 2013-06-05 7:51 UTC (permalink / raw)
To: gregkh; +Cc: arnd, linux-kernel, Tomas Winkler
We need to clear pending interrupts on the resume
path. This brings the device into defined state
before starting the reset flow
This should solve suspend/resume issues:
mei_me : wait hw ready failed. status = 0x0
mei_me : version message write failed
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
---
drivers/misc/mei/pci-me.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/misc/mei/pci-me.c b/drivers/misc/mei/pci-me.c
index a2f5520f..1b3844e 100644
--- a/drivers/misc/mei/pci-me.c
+++ b/drivers/misc/mei/pci-me.c
@@ -306,6 +306,7 @@ static int mei_me_pci_resume(struct device *device)
mutex_lock(&dev->device_lock);
dev->dev_state = MEI_DEV_POWER_UP;
+ mei_clear_interrupts(dev);
mei_reset(dev, 1);
mutex_unlock(&dev->device_lock);
--
1.8.1.2
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