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authorTomas Winkler <tomas.winkler@intel.com>2014-02-19 17:35:48 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-02-28 15:15:57 -0800
commit9d098192c3d45ab6dd90ae87d649950a9ef70ccb (patch)
treea0f48fbc9a60e411cd499a22ac013f85fbb0aeeb /drivers/misc/mei/hw-me.c
parent6aae48ff18f2fcfb533d2b448ecae16d1de006c1 (diff)
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mei: revamp writing slot counting
Since txe use doorbell and not circular buffer we have to cheat in write slot counting, txe always consume all the slots upon write. In order for it to work we need to track slots using mei_hbuf_empty_slots() instead of tracking it in mei layer Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/mei/hw-me.c')
-rw-r--r--drivers/misc/mei/hw-me.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/misc/mei/hw-me.c b/drivers/misc/mei/hw-me.c
index b0c42d6182a6..84165cce57d2 100644
--- a/drivers/misc/mei/hw-me.c
+++ b/drivers/misc/mei/hw-me.c
@@ -354,7 +354,7 @@ static int mei_me_write_message(struct mei_device *dev,
dw_cnt = mei_data2slots(length);
if (empty_slots < 0 || dw_cnt > empty_slots)
- return -EIO;
+ return -EMSGSIZE;
mei_me_reg_write(hw, H_CB_WW, *((u32 *) header));