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-rw-r--r--drivers/misc/mei/main.c25
-rw-r--r--drivers/misc/mei/mei_dev.h6
-rw-r--r--drivers/misc/mei/wd.c6
3 files changed, 0 insertions, 37 deletions
diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c
index 053139f61086..b9ad5106f5e1 100644
--- a/drivers/misc/mei/main.c
+++ b/drivers/misc/mei/main.c
@@ -194,7 +194,6 @@ static ssize_t mei_read(struct file *file, char __user *ubuf,
struct mei_cl_cb *cb_pos = NULL;
struct mei_cl_cb *cb = NULL;
struct mei_device *dev;
- int i;
int rets;
int err;
@@ -210,20 +209,6 @@ static ssize_t mei_read(struct file *file, char __user *ubuf,
goto out;
}
- if ((cl->sm_state & MEI_WD_STATE_INDEPENDENCE_MSG_SENT) == 0) {
- /* Do not allow to read watchdog client */
- i = mei_me_cl_by_uuid(dev, &mei_wd_guid);
- if (i >= 0) {
- struct mei_me_client *me_client = &dev->me_clients[i];
- if (cl->me_client_id == me_client->client_id) {
- rets = -EBADF;
- goto out;
- }
- }
- } else {
- cl->sm_state &= ~MEI_WD_STATE_INDEPENDENCE_MSG_SENT;
- }
-
if (cl == &dev->iamthif_cl) {
rets = mei_amthif_read(dev, file, ubuf, length, offset);
goto out;
@@ -420,16 +405,6 @@ static ssize_t mei_write(struct file *file, const char __user *ubuf,
if (rets)
goto out;
- cl->sm_state = 0;
- if (length == 4 &&
- ((memcmp(mei_wd_state_independence_msg[0],
- write_cb->request_buffer.data, 4) == 0) ||
- (memcmp(mei_wd_state_independence_msg[1],
- write_cb->request_buffer.data, 4) == 0) ||
- (memcmp(mei_wd_state_independence_msg[2],
- write_cb->request_buffer.data, 4) == 0)))
- cl->sm_state |= MEI_WD_STATE_INDEPENDENCE_MSG_SENT;
-
if (cl == &dev->iamthif_cl) {
rets = mei_amthif_write(dev, write_cb);
diff --git a/drivers/misc/mei/mei_dev.h b/drivers/misc/mei/mei_dev.h
index 197ba6481bf5..80a90319fc29 100644
--- a/drivers/misc/mei/mei_dev.h
+++ b/drivers/misc/mei/mei_dev.h
@@ -56,11 +56,6 @@ extern const uuid_le mei_amthif_guid;
extern const uuid_le mei_wd_guid;
/*
- * Watchdog independence state message
- */
-extern const u8 mei_wd_state_independence_msg[3][4];
-
-/*
* Number of Maximum MEI Clients
*/
#define MEI_CLIENTS_MAX 256
@@ -201,7 +196,6 @@ struct mei_cl {
u8 timer_count;
enum mei_file_transaction_states reading_state;
enum mei_file_transaction_states writing_state;
- int sm_state;
struct mei_cl_cb *read_cb;
/* MEI CL bus data */
diff --git a/drivers/misc/mei/wd.c b/drivers/misc/mei/wd.c
index 6251a4ee7067..b8921432e89d 100644
--- a/drivers/misc/mei/wd.c
+++ b/drivers/misc/mei/wd.c
@@ -31,12 +31,6 @@
static const u8 mei_start_wd_params[] = { 0x02, 0x12, 0x13, 0x10 };
static const u8 mei_stop_wd_params[] = { 0x02, 0x02, 0x14, 0x10 };
-const u8 mei_wd_state_independence_msg[3][4] = {
- {0x05, 0x02, 0x51, 0x10},
- {0x05, 0x02, 0x52, 0x10},
- {0x07, 0x02, 0x01, 0x10}
-};
-
/*
* AMT Watchdog Device
*/