NFC: microread: Fix mei physical layer

The MEI bus API changed according to the latest comments from the char-misc
maintainers, and this patch fixes the microread mei physical layer code
according to those changes:
We pass the MEI id back to the probe routine, and the mei_driver takes a
table of MEI ids instead of one static id.
Also, mei_bus_driver got renamed to mei_driver, mei_bus_client to
mei_device, and mei_bus_set/get_clientdata to mei_set/get_clientdata.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

1 files changed, 24 insertions, 19 deletions

diff --git a/drivers/nfc/microread/mei.c b/drivers/nfc/microread/mei.c
index c078e56d7d14..eef38cfd812e 100644
--- a/drivers/nfc/microread/mei.c
+++ b/drivers/nfc/microread/mei.c
@@ -48,7 +48,7 @@ struct mei_nfc_hdr {
 #define MEI_NFC_MAX_READ (MEI_NFC_HEADER_SIZE + MEI_NFC_MAX_HCI_PAYLOAD)
 
 struct microread_mei_phy {
-        struct mei_bus_client *client;
+        struct mei_device *mei_device;
         struct nfc_hci_dev *hdev;
 
         int powered;
@@ -105,14 +105,14 @@ static int microread_mei_write(void *phy_id, struct sk_buff *skb)
 
         MEI_DUMP_SKB_OUT("mei frame sent", skb);
 
-        r = mei_bus_send(phy->client, skb->data, skb->len);
+        r = mei_send(phy->device, skb->data, skb->len);
         if (r > 0)
                 r = 0;
 
         return r;
 }
 
-static void microread_event_cb(struct mei_bus_client *client, u32 events,
+static void microread_event_cb(struct mei_device *device, u32 events,
                                void *context)
 {
         struct microread_mei_phy *phy = context;
@@ -120,7 +120,7 @@ static void microread_event_cb(struct mei_bus_client *client, u32 events,
         if (phy->hard_fault != 0)
                 return;
 
-        if (events & BIT(MEI_BUS_EVENT_RX)) {
+        if (events & BIT(MEI_EVENT_RX)) {
                 struct sk_buff *skb;
                 int reply_size;
 
@@ -128,7 +128,7 @@ static void microread_event_cb(struct mei_bus_client *client, u32 events,
                 if (!skb)
                         return;
 
-                reply_size = mei_bus_recv(client, skb->data, MEI_NFC_MAX_READ);
+                reply_size = mei_recv(device, skb->data, MEI_NFC_MAX_READ);
                 if (reply_size < MEI_NFC_HEADER_SIZE) {
                         kfree(skb);
                         return;
@@ -149,7 +149,8 @@ static struct nfc_phy_ops mei_phy_ops = {
         .disable = microread_mei_disable,
 };
 
-static int microread_mei_probe(struct mei_bus_client *client)
+static int microread_mei_probe(struct mei_device *device,
+                               const struct mei_id *id)
 {
         struct microread_mei_phy *phy;
         int r;
@@ -162,10 +163,10 @@ static int microread_mei_probe(struct mei_bus_client *client)
                 return -ENOMEM;
         }
 
-        phy->client = client;
-        mei_bus_set_clientdata(client, phy);
+        phy->device = device;
+        mei_set_clientdata(device, phy);
 
-        r = mei_bus_register_event_cb(client, microread_event_cb, phy);
+        r = mei_register_event_cb(device, microread_event_cb, phy);
         if (r) {
                 pr_err(MICROREAD_DRIVER_NAME ": event cb registration failed\n");
                 goto err_out;
@@ -185,9 +186,9 @@ err_out:
         return r;
 }
 
-static int microread_mei_remove(struct mei_bus_client *client)
+static int microread_mei_remove(struct mei_device *device)
 {
-        struct microread_mei_phy *phy = mei_bus_get_clientdata(client);
+        struct microread_mei_phy *phy = mei_get_clientdata(device);
 
         pr_info("Removing microread\n");
 
@@ -201,14 +202,18 @@ static int microread_mei_remove(struct mei_bus_client *client)
         return 0;
 }
 
-static struct mei_bus_driver microread_driver = {
-        .driver = {
-                   .name = MICROREAD_DRIVER_NAME,
-                  },
-        .id = {
-                .name = MICROREAD_DRIVER_NAME,
-                .uuid = MICROREAD_UUID,
-        },
+static struct mei_id microread_mei_tbl[] = {
+        { MICROREAD_DRIVER_NAME, MICROREAD_UUID },
+
+        /* required last entry */
+        { }
+};
+
+MODULE_DEVICE_TABLE(mei, microread_mei_tbl);
+
+static struct mei_driver microread_driver = {
+        .id_table = microread_mei_tbl,
+        .name = MICROREAD_DRIVER_NAME,
 
         .probe = microread_mei_probe,
         .remove = microread_mei_remove,