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mei: allow read concurrency

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Replace clunky read state machine with read stack
implemented as per client read list, this is important
mostly for mei drivers with unsolicited reads

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tomas Winkler
2015-02-10 10:39:46 +02:00
committed by Greg Kroah-Hartman
parent 928fa6664b
commit a9bed61053
8 changed files with 98 additions and 119 deletions
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2
drivers/misc/mei/debugfs.c
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@@ -117,7 +117,7 @@ static ssize_t mei_dbgfs_read_active(struct file *fp, char __user *ubuf,
pos += scnprintf(buf + pos, bufsz - pos,
"%2d|%2d|%4d|%5d|%2d|%2d|\n",
i, cl->me_client_id, cl->host_client_id, cl->state,
cl->reading_state, cl->writing_state);
!list_empty(&cl->rd_completed), cl->writing_state);
i++;
}
out: