[PATCH 3.16.y-ckt 077/183] mei: mask interrupt set bit on clean reset bit

From: Luis Henriques
Date: Fri Mar 06 2015 - 04:59:30 EST


3.16.7-ckt8 -stable review patch. If anyone has any objections, please let me know.

------------------

From: Alexander Usyskin <alexander.usyskin@xxxxxxxxx>

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@xxxxxxxxx>
Signed-off-by: Tomas Winkler <tomas.winkler@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Luis Henriques <luis.henriques@xxxxxxxxxxxxx>
---
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 9d0cd32d885a..98bc7e05b97b 100644
--- a/drivers/misc/mei/hw-me.c
+++ b/drivers/misc/mei/hw-me.c
@@ -204,7 +204,7 @@ 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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