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Diffstat (limited to 'drivers/misc/mei/interrupt.c')
-rw-r--r--drivers/misc/mei/interrupt.c78
1 files changed, 30 insertions, 48 deletions
diff --git a/drivers/misc/mei/interrupt.c b/drivers/misc/mei/interrupt.c
index aed03efa72f4..e6151e2dac48 100644
--- a/drivers/misc/mei/interrupt.c
+++ b/drivers/misc/mei/interrupt.c
@@ -165,25 +165,24 @@ static int mei_cl_irq_read_msg(struct mei_device *dev,
*
* @cl: client
* @cb: callback block.
- * @slots: free slots.
* @cmpl_list: complete list.
*
* returns 0, OK; otherwise, error.
*/
static int mei_cl_irq_disconnect_rsp(struct mei_cl *cl, struct mei_cl_cb *cb,
- s32 *slots, struct mei_cl_cb *cmpl_list)
+ struct mei_cl_cb *cmpl_list)
{
struct mei_device *dev = cl->dev;
+ u32 msg_slots;
+ int slots;
int ret;
- u32 msg_slots =
- mei_data2slots(sizeof(struct hbm_client_connect_response));
+ slots = mei_hbuf_empty_slots(dev);
+ msg_slots = mei_data2slots(sizeof(struct hbm_client_connect_response));
- if (*slots < msg_slots)
+ if (slots < msg_slots)
return -EMSGSIZE;
- *slots -= msg_slots;
-
ret = mei_hbm_cl_disconnect_rsp(dev, cl);
cl->state = MEI_FILE_DISCONNECTED;
@@ -201,24 +200,23 @@ static int mei_cl_irq_disconnect_rsp(struct mei_cl *cl, struct mei_cl_cb *cb,
*
* @cl: client
* @cb: callback block.
- * @slots: free slots.
* @cmpl_list: complete list.
*
* returns 0, OK; otherwise, error.
*/
static int mei_cl_irq_close(struct mei_cl *cl, struct mei_cl_cb *cb,
- s32 *slots, struct mei_cl_cb *cmpl_list)
+ struct mei_cl_cb *cmpl_list)
{
struct mei_device *dev = cl->dev;
+ u32 msg_slots;
+ int slots;
- u32 msg_slots =
- mei_data2slots(sizeof(struct hbm_client_connect_request));
+ msg_slots = mei_data2slots(sizeof(struct hbm_client_connect_request));
+ slots = mei_hbuf_empty_slots(dev);
- if (*slots < msg_slots)
+ if (slots < msg_slots)
return -EMSGSIZE;
- *slots -= msg_slots;
-
if (mei_hbm_cl_disconnect_req(dev, cl)) {
cl->status = 0;
cb->buf_idx = 0;
@@ -242,27 +240,23 @@ static int mei_cl_irq_close(struct mei_cl *cl, struct mei_cl_cb *cb,
*
* @cl: client
* @cb: callback block.
- * @slots: free slots.
* @cmpl_list: complete list.
*
* returns 0, OK; otherwise, error.
*/
static int mei_cl_irq_read(struct mei_cl *cl, struct mei_cl_cb *cb,
- s32 *slots, struct mei_cl_cb *cmpl_list)
+ struct mei_cl_cb *cmpl_list)
{
struct mei_device *dev = cl->dev;
- u32 msg_slots = mei_data2slots(sizeof(struct hbm_flow_control));
-
+ u32 msg_slots;
+ int slots;
int ret;
+ msg_slots = mei_data2slots(sizeof(struct hbm_flow_control));
+ slots = mei_hbuf_empty_slots(dev);
- if (*slots < msg_slots) {
- /* return the cancel routine */
- list_del(&cb->list);
+ if (slots < msg_slots)
return -EMSGSIZE;
- }
-
- *slots -= msg_slots;
ret = mei_hbm_cl_flow_control_req(dev, cl);
if (ret) {
@@ -283,30 +277,26 @@ static int mei_cl_irq_read(struct mei_cl *cl, struct mei_cl_cb *cb,
*
* @cl: client
* @cb: callback block.
- * @slots: free slots.
* @cmpl_list: complete list.
*
* returns 0, OK; otherwise, error.
*/
static int mei_cl_irq_connect(struct mei_cl *cl, struct mei_cl_cb *cb,
- s32 *slots, struct mei_cl_cb *cmpl_list)
+ struct mei_cl_cb *cmpl_list)
{
struct mei_device *dev = cl->dev;
+ u32 msg_slots;
+ int slots;
int ret;
- u32 msg_slots =
- mei_data2slots(sizeof(struct hbm_client_connect_request));
+ msg_slots = mei_data2slots(sizeof(struct hbm_client_connect_request));
+ slots = mei_hbuf_empty_slots(dev);
if (mei_cl_is_other_connecting(cl))
return 0;
- if (*slots < msg_slots) {
- /* return the cancel routine */
- list_del(&cb->list);
+ if (slots < msg_slots)
return -EMSGSIZE;
- }
-
- *slots -= msg_slots;
cl->state = MEI_FILE_CONNECTING;
@@ -494,13 +484,7 @@ int mei_irq_write_handler(struct mei_device *dev, struct mei_cl_cb *cmpl_list)
dev_dbg(&dev->pdev->dev, "wd send failed.\n");
else if (mei_cl_flow_ctrl_reduce(&dev->wd_cl))
return -ENODEV;
-
dev->wd_pending = false;
-
- if (dev->wd_state == MEI_WD_RUNNING)
- slots -= mei_data2slots(MEI_WD_START_MSG_SIZE);
- else
- slots -= mei_data2slots(MEI_WD_STOP_MSG_SIZE);
}
}
@@ -515,28 +499,28 @@ int mei_irq_write_handler(struct mei_device *dev, struct mei_cl_cb *cmpl_list)
switch (cb->fop_type) {
case MEI_FOP_CLOSE:
/* send disconnect message */
- ret = mei_cl_irq_close(cl, cb, &slots, cmpl_list);
+ ret = mei_cl_irq_close(cl, cb, cmpl_list);
if (ret)
return ret;
break;
case MEI_FOP_READ:
/* send flow control message */
- ret = mei_cl_irq_read(cl, cb, &slots, cmpl_list);
+ ret = mei_cl_irq_read(cl, cb, cmpl_list);
if (ret)
return ret;
break;
case MEI_FOP_CONNECT:
/* connect message */
- ret = mei_cl_irq_connect(cl, cb, &slots, cmpl_list);
+ ret = mei_cl_irq_connect(cl, cb, cmpl_list);
if (ret)
return ret;
break;
case MEI_FOP_DISCONNECT_RSP:
/* send disconnect resp */
- ret = mei_cl_irq_disconnect_rsp(cl, cb, &slots, cmpl_list);
+ ret = mei_cl_irq_disconnect_rsp(cl, cb, cmpl_list);
if (ret)
return ret;
default:
@@ -551,11 +535,9 @@ int mei_irq_write_handler(struct mei_device *dev, struct mei_cl_cb *cmpl_list)
if (cl == NULL)
continue;
if (cl == &dev->iamthif_cl)
- ret = mei_amthif_irq_write_complete(cl, cb,
- &slots, cmpl_list);
+ ret = mei_amthif_irq_write(cl, cb, cmpl_list);
else
- ret = mei_cl_irq_write_complete(cl, cb,
- &slots, cmpl_list);
+ ret = mei_cl_irq_write(cl, cb, cmpl_list);
if (ret)
return ret;
}