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>

diff --git a/drivers/nfc/microread/mei.c b/drivers/nfc/microread/mei.c
index c078e56..eef38cf 100644 (file)
--- 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,