From: Alexander Usyskin <[email protected]> A next amthif write can be executed only after the previous one has completed.
Signed-off-by: Alexander Usyskin <[email protected]> Signed-off-by: Tomas Winkler <[email protected]> --- drivers/misc/mei/amthif.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/misc/mei/amthif.c b/drivers/misc/mei/amthif.c index 647edc68884f..4383a9ad9208 100644 --- a/drivers/misc/mei/amthif.c +++ b/drivers/misc/mei/amthif.c @@ -315,6 +315,14 @@ int mei_amthif_write(struct mei_cl *cl, struct mei_cl_cb *cb) dev = cl->dev; list_add_tail(&cb->list, &dev->amthif_cmd_list.list); + + /* + * The previous request is still in processing, queue this one. + */ + if (dev->iamthif_state > MEI_IAMTHIF_IDLE && + dev->iamthif_state < MEI_IAMTHIF_READ_COMPLETE) + return 0; + return mei_amthif_run_next_cmd(dev); } -- 2.4.3
