[3.13.y-ckt stable] Patch "mei: mask interrupt set bit on clean reset bit" has been added to staging queue

Kamal Mostafa kamal at canonical.com
Tue Mar 31 18:45:56 UTC 2015

This is a note to let you know that I have just added a patch titled

    mei: mask interrupt set bit on clean reset bit

to the linux-3.13.y-queue branch of the 3.13.y-ckt extended stable tree 
which can be found at:


This patch is scheduled to be released in version 3.13.11-ckt18.

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.13.y-ckt tree, see



>From 696805ed3a89af08765e106d88b0d1c716f4e5c1 Mon Sep 17 00:00:00 2001
From: Alexander Usyskin <alexander.usyskin at intel.com>
Date: Sun, 25 Jan 2015 23:45:27 +0200
Subject: mei: mask interrupt set bit on clean reset bit

commit 1ab1e79b9fd4b01331490bbe2e630a0fc0b25449 upstream.

We should mask interrupt set bit when writing back
hcsr value in reset bit clean-up.

This is refinement for
mei: clean reset bit before reset
commit b13a65ef190e488e2761d65bdd2e1fe8a3a125f5

Signed-off-by: Alexander Usyskin <alexander.usyskin at intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler at intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
Signed-off-by: Kamal Mostafa <kamal at canonical.com>
 drivers/misc/mei/hw-me.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/misc/mei/hw-me.c b/drivers/misc/mei/hw-me.c
index eebe329..55cef5e 100644
--- a/drivers/misc/mei/hw-me.c
+++ b/drivers/misc/mei/hw-me.c
@@ -187,7 +187,7 @@ static int mei_me_hw_reset(struct mei_device *dev, bool intr_enable)
 	if ((hcsr & H_RST) == H_RST) {
 		dev_warn(&dev->pdev->dev, "H_RST is set = 0x%08X", hcsr);
 		hcsr &= ~H_RST;
-		mei_me_reg_write(hw, H_CSR, hcsr);
+		mei_hcsr_set(hw, hcsr);
 		hcsr = mei_hcsr_read(hw);


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