From: Siva Rebbagondla <[email protected]>

As we missed to detach HCI, while entering power off or hibernation,
an extra hci interface gets created whenever system is woken up, to
avoid this we added hci_detach() in rsi_disconnect(), rsi_freeze(),
and rsi_shutdown() functions which are invoked for these tests.
This patch fixes the issue

Signed-off-by: Siva Rebbagondla <[email protected]>
---
 drivers/net/wireless/rsi/rsi_91x_sdio.c | 15 +++++++++++++++
 drivers/net/wireless/rsi/rsi_91x_usb.c  |  6 ++++++
 2 files changed, 21 insertions(+)

diff --git a/drivers/net/wireless/rsi/rsi_91x_sdio.c 
b/drivers/net/wireless/rsi/rsi_91x_sdio.c
index b412b65e..4005c1d 100644
--- a/drivers/net/wireless/rsi/rsi_91x_sdio.c
+++ b/drivers/net/wireless/rsi/rsi_91x_sdio.c
@@ -1132,6 +1132,11 @@ static void rsi_disconnect(struct sdio_func *pfunction)
        rsi_mac80211_detach(adapter);
        mdelay(10);
 
+       if (adapter->priv->coex_mode > 1 && adapter->priv->bt_adapter) {
+               rsi_bt_ops.detach(adapter->priv->bt_adapter);
+               adapter->priv->bt_adapter = NULL;
+       }
+
        /* Reset Chip */
        rsi_reset_chip(adapter);
 
@@ -1308,6 +1313,11 @@ static int rsi_freeze(struct device *dev)
                rsi_dbg(ERR_ZONE,
                        "##### Device can not wake up through WLAN\n");
 
+       if (common->coex_mode > 1 && common->bt_adapter) {
+               rsi_bt_ops.detach(common->bt_adapter);
+               common->bt_adapter = NULL;
+       }
+
        ret = rsi_sdio_disable_interrupts(pfunction);
 
        if (sdev->write_fail)
@@ -1355,6 +1365,11 @@ static void rsi_shutdown(struct device *dev)
        if (rsi_config_wowlan(adapter, wowlan))
                rsi_dbg(ERR_ZONE, "Failed to configure WoWLAN\n");
 
+       if (adapter->priv->coex_mode > 1 && adapter->priv->bt_adapter) {
+               rsi_bt_ops.detach(adapter->priv->bt_adapter);
+               adapter->priv->bt_adapter = NULL;
+       }
+
        rsi_sdio_disable_interrupts(sdev->pfunction);
 
        if (sdev->write_fail)
diff --git a/drivers/net/wireless/rsi/rsi_91x_usb.c 
b/drivers/net/wireless/rsi/rsi_91x_usb.c
index f360690..38b4880b 100644
--- a/drivers/net/wireless/rsi/rsi_91x_usb.c
+++ b/drivers/net/wireless/rsi/rsi_91x_usb.c
@@ -816,6 +816,12 @@ static void rsi_disconnect(struct usb_interface *pfunction)
                return;
 
        rsi_mac80211_detach(adapter);
+
+       if (adapter->priv->coex_mode > 1 && adapter->priv->bt_adapter) {
+               rsi_bt_ops.detach(adapter->priv->bt_adapter);
+               adapter->priv->bt_adapter = NULL;
+       }
+
        rsi_reset_card(adapter);
        rsi_deinit_usb_interface(adapter);
        rsi_91x_deinit(adapter);
-- 
2.5.5

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