mei: deprecate the mei_wd_state_independence_msg

wd independence is deprecated, remove it.

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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
  */