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authorTomas Winkler <tomas.winkler@intel.com>2014-02-19 15:35:48 (GMT)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-02-28 23:15:57 (GMT)
commit9d098192c3d45ab6dd90ae87d649950a9ef70ccb (patch)
treea0f48fbc9a60e411cd499a22ac013f85fbb0aeeb /drivers/misc/mei/hw-me.c
parent6aae48ff18f2fcfb533d2b448ecae16d1de006c1 (diff)
downloadlinux-9d098192c3d45ab6dd90ae87d649950a9ef70ccb.tar.xz
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 b0c42d6..84165cc 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));