mwifiex: avoid exporting mwifiex_send_cmd

This is a follow-up patch for commit 21c5c83c
("mwifiex: support sysfs initiated device coredump").

Let us avoid exporting mwifiex_send_cmd and instead use a utility
function mwifiex_fw_dump_event to achive the work.
Signed-off-by: Ganapathi Bhat <gbhat@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/marvell/mwifiex/cmdevt.c

@@ -674,7 +674,6 @@ int mwifiex_send_cmd(struct mwifiex_private *priv, u16 cmd_no,
 
 	return ret;
 }
-EXPORT_SYMBOL_GPL(mwifiex_send_cmd);
 
 /*
  * This function queues a command to the command pending queue.

drivers/net/wireless/marvell/mwifiex/main.h

@@ -1691,6 +1691,7 @@ void mwifiex_drv_info_dump(struct mwifiex_adapter *adapter);
 void mwifiex_prepare_fw_dump_info(struct mwifiex_adapter *adapter);
 void mwifiex_upload_device_dump(struct mwifiex_adapter *adapter);
 void *mwifiex_alloc_dma_align_buf(int rx_len, gfp_t flags);
+void mwifiex_fw_dump_event(struct mwifiex_private *priv);
 void mwifiex_queue_main_work(struct mwifiex_adapter *adapter);
 int mwifiex_get_wakeup_reason(struct mwifiex_private *priv, u16 action,
 			      int cmd_type,

drivers/net/wireless/marvell/mwifiex/usb.c

@@ -658,9 +658,8 @@ static void mwifiex_usb_coredump(struct device *dev)
 	struct usb_interface *intf = to_usb_interface(dev);
 	struct usb_card_rec *card = usb_get_intfdata(intf);
 
-	mwifiex_send_cmd(mwifiex_get_priv(card->adapter, MWIFIEX_BSS_ROLE_ANY),
-			 HostCmd_CMD_FW_DUMP_EVENT, HostCmd_ACT_GEN_SET, 0,
-			 NULL, true);
+	mwifiex_fw_dump_event(mwifiex_get_priv(card->adapter,
+					       MWIFIEX_BSS_ROLE_ANY));
 }
 
 static struct usb_driver mwifiex_usb_driver = {

drivers/net/wireless/marvell/mwifiex/util.c

@@ -757,3 +757,10 @@ void *mwifiex_alloc_dma_align_buf(int rx_len, gfp_t flags)
 	return skb;
 }
 EXPORT_SYMBOL_GPL(mwifiex_alloc_dma_align_buf);
+
+void mwifiex_fw_dump_event(struct mwifiex_private *priv)
+{
+	mwifiex_send_cmd(priv, HostCmd_CMD_FW_DUMP_EVENT, HostCmd_ACT_GEN_SET,
+			 0, NULL, true);
+}
+EXPORT_SYMBOL_GPL(mwifiex_fw_dump_event);