4 files changed, 62 insertions, 3 deletions

diff --git a/drivers/net/wireless/libertas/dev.h b/drivers/net/wireless/libertas/dev.h
index cbaafa653b6a..a4455ec7c354 100644
--- a/drivers/net/wireless/libertas/dev.h
+++ b/drivers/net/wireless/libertas/dev.h
@@ -321,6 +321,8 @@ struct lbs_private {
 
         u32 monitormode;
         u8 fw_ready;
+        u8 fn_init_required;
+        u8 fn_shutdown_required;
 };
 
 extern struct cmd_confirm_sleep confirm_sleep;
diff --git a/drivers/net/wireless/libertas/host.h b/drivers/net/wireless/libertas/host.h
index 8ff8ac9d817e..fe8f0cb737bc 100644
--- a/drivers/net/wireless/libertas/host.h
+++ b/drivers/net/wireless/libertas/host.h
@@ -86,6 +86,8 @@
 #define CMD_MESH_CONFIG_OLD                     0x00a3
 #define CMD_MESH_CONFIG                         0x00ac
 #define CMD_SET_BOOT2_VER                       0x00a5
+#define CMD_FUNC_INIT                           0x00a9
+#define CMD_FUNC_SHUTDOWN                       0x00aa
 #define CMD_802_11_BEACON_CTRL                  0x00b0
 
 /* For the IEEE Power Save */
diff --git a/drivers/net/wireless/libertas/if_sdio.c b/drivers/net/wireless/libertas/if_sdio.c
index e998c123e0c5..478d766abf8c 100644
--- a/drivers/net/wireless/libertas/if_sdio.c
+++ b/drivers/net/wireless/libertas/if_sdio.c
@@ -61,6 +61,7 @@ struct if_sdio_model {
         int model;
         const char *helper;
         const char *firmware;
+        struct if_sdio_card *card;
 };
 
 static struct if_sdio_model if_sdio_models[] = {
@@ -69,18 +70,21 @@ static struct if_sdio_model if_sdio_models[] = {
                 .model = IF_SDIO_MODEL_8385,
                 .helper = "sd8385_helper.bin",
                 .firmware = "sd8385.bin",
+                .card = NULL,
         },
         {
                 /* 8686 */
                 .model = IF_SDIO_MODEL_8686,
                 .helper = "sd8686_helper.bin",
                 .firmware = "sd8686.bin",
+                .card = NULL,
         },
         {
                 /* 8688 */
                 .model = IF_SDIO_MODEL_8688,
                 .helper = "sd8688_helper.bin",
                 .firmware = "sd8688.bin",
+                .card = NULL,
         },
 };
 
@@ -539,7 +543,6 @@ static int if_sdio_prog_helper(struct if_sdio_card *card)
         ret = 0;
 
 release:
-        sdio_set_block_size(card->func, IF_SDIO_BLOCK_SIZE);
         sdio_release_host(card->func);
         kfree(chunk_buffer);
 release_fw:
@@ -675,7 +678,6 @@ static int if_sdio_prog_real(struct if_sdio_card *card)
         ret = 0;
 
 release:
-        sdio_set_block_size(card->func, IF_SDIO_BLOCK_SIZE);
         sdio_release_host(card->func);
         kfree(chunk_buffer);
 release_fw:
@@ -718,6 +720,9 @@ static int if_sdio_prog_firmware(struct if_sdio_card *card)
                 goto out;
 
 success:
+        sdio_claim_host(card->func);
+        sdio_set_block_size(card->func, IF_SDIO_BLOCK_SIZE);
+        sdio_release_host(card->func);
         ret = 0;
 
 out:
@@ -903,6 +908,8 @@ static int if_sdio_probe(struct sdio_func *func,
                 goto free;
         }
 
+        if_sdio_models[i].card = card;
+
         card->helper = if_sdio_models[i].helper;
         card->firmware = if_sdio_models[i].firmware;
 
@@ -985,6 +992,12 @@ static int if_sdio_probe(struct sdio_func *func,
         if (ret)
                 goto reclaim;
 
+        /*
+         * FUNC_INIT is required for SD8688 WLAN/BT multiple functions
+         */
+        priv->fn_init_required =
+                (card->model == IF_SDIO_MODEL_8688) ? 1 : 0;
+
         ret = lbs_start_card(priv);
         if (ret)
                 goto err_activate_card;
@@ -1025,23 +1038,30 @@ static void if_sdio_remove(struct sdio_func *func)
 {
         struct if_sdio_card *card;
         struct if_sdio_packet *packet;
+        int ret;
 
         lbs_deb_enter(LBS_DEB_SDIO);
 
         card = sdio_get_drvdata(func);
 
+        lbs_stop_card(card->priv);
+
         card->priv->surpriseremoved = 1;
 
         lbs_deb_sdio("call remove card\n");
-        lbs_stop_card(card->priv);
         lbs_remove_card(card->priv);
 
         flush_workqueue(card->workqueue);
         destroy_workqueue(card->workqueue);
 
         sdio_claim_host(func);
+
+        /* Disable interrupts */
+        sdio_writeb(func, 0x00, IF_SDIO_H_INT_MASK, &ret);
+
         sdio_release_irq(func);
         sdio_disable_func(func);
+
         sdio_release_host(func);
 
         while (card->packets) {
@@ -1084,8 +1104,23 @@ static int __init if_sdio_init_module(void)
 
 static void __exit if_sdio_exit_module(void)
 {
+        int i;
+        struct if_sdio_card *card;
+
         lbs_deb_enter(LBS_DEB_SDIO);
 
+        for (i = 0; i < ARRAY_SIZE(if_sdio_models); i++) {
+                card = if_sdio_models[i].card;
+
+                /*
+                 * FUNC_SHUTDOWN is required for SD8688 WLAN/BT
+                 * multiple functions
+                 */
+                if (card && card->priv)
+                        card->priv->fn_shutdown_required =
+                                (card->model == IF_SDIO_MODEL_8688) ? 1 : 0;
+        }
+
         sdio_unregister_driver(&if_sdio_driver);
 
         lbs_deb_leave(LBS_DEB_SDIO);
diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c
index 89575e448015..a58a12352672 100644
--- a/drivers/net/wireless/libertas/main.c
+++ b/drivers/net/wireless/libertas/main.c
@@ -1002,9 +1002,17 @@ static int lbs_setup_firmware(struct lbs_private *priv)
 {
         int ret = -1;
         s16 curlevel = 0, minlevel = 0, maxlevel = 0;
+        struct cmd_header cmd;
 
         lbs_deb_enter(LBS_DEB_FW);
 
+        if (priv->fn_init_required) {
+                memset(&cmd, 0, sizeof(cmd));
+                if (__lbs_cmd(priv, CMD_FUNC_INIT, &cmd, sizeof(cmd),
+                                lbs_cmd_copyback, (unsigned long) &cmd))
+                        lbs_pr_alert("CMD_FUNC_INIT command failed\n");
+        }
+
         /* Read MAC address from firmware */
         memset(priv->current_addr, 0xff, ETH_ALEN);
         ret = lbs_update_hw_spec(priv);
@@ -1192,6 +1200,9 @@ struct lbs_private *lbs_add_card(void *card, struct device *dmdev)
         priv->mesh_open = 0;
         priv->infra_open = 0;
 
+        priv->fn_init_required = 0;
+        priv->fn_shutdown_required = 0;
+
         /* Setup the OS Interface to our functions */
         dev->netdev_ops = &lbs_netdev_ops;
         dev->watchdog_timeo = 5 * HZ;
@@ -1373,11 +1384,20 @@ void lbs_stop_card(struct lbs_private *priv)
         struct net_device *dev;
         struct cmd_ctrl_node *cmdnode;
         unsigned long flags;
+        struct cmd_header cmd;
 
         lbs_deb_enter(LBS_DEB_MAIN);
 
         if (!priv)
                 goto out;
+
+        if (priv->fn_shutdown_required) {
+                memset(&cmd, 0, sizeof(cmd));
+                if (__lbs_cmd(priv, CMD_FUNC_SHUTDOWN, &cmd, sizeof(cmd),
+                                lbs_cmd_copyback, (unsigned long) &cmd))
+                        lbs_pr_alert("CMD_FUNC_SHUTDOWN command failed\n");
+        }
+
         dev = priv->dev;
 
         netif_stop_queue(dev);