wlcore: remove some unnecessary event mailbox address reads

We were reading the even mailbox address three times, which was
completely unnecessary and complicated things regarding partition
selection.  Remove the unnecessry reads and set the address for
mailbox 1 and 2 after the first read.
Signed-off-by: Luciano Coelho <coelho@ti.com>

drivers/net/wireless/ti/wlcore/boot.c

@@ -399,14 +399,19 @@ int wlcore_boot_run_firmware(struct wl1271 *wl)
 	/* get hardware config command mail box */
 	wl->cmd_box_addr = wlcore_read_reg(wl, REG_COMMAND_MAILBOX_PTR);
 
+	wl1271_debug(DEBUG_MAILBOX, "cmd_box_addr 0x%x", wl->cmd_box_addr);
+
 	/* get hardware config event mail box */
-	wl->event_box_addr = wlcore_read_reg(wl, REG_EVENT_MAILBOX_PTR);
+	wl->mbox_ptr[0] = wlcore_read_reg(wl, REG_EVENT_MAILBOX_PTR);
+	wl->mbox_ptr[1] = wl->mbox_ptr[0] + sizeof(struct event_mailbox);
 
-	/* set the working partition to its "running" mode offset */
-	wlcore_set_partition(wl, &wl->ptable[PART_WORK]);
+	wl1271_debug(DEBUG_MAILBOX, "MBOX ptrs: 0x%x 0x%x",
+		     wl->mbox_ptr[0], wl->mbox_ptr[1]);
 
-	wl1271_debug(DEBUG_MAILBOX, "cmd_box_addr 0x%x event_box_addr 0x%x",
-		     wl->cmd_box_addr, wl->event_box_addr);
+	/*
+	 * TODO: wl12xx used to set the partition here, but it seems
+	 * that it can be done later.  Make sure this is okay.
+	 */
 
 	wl1271_boot_fw_version(wl);
 
@@ -438,7 +443,8 @@ int wlcore_boot_run_firmware(struct wl1271 *wl)
 		return ret;
 	}
 
-	wl1271_event_mbox_config(wl);
+	/* set the working partition to its "running" mode offset */
+	wlcore_set_partition(wl, &wl->ptable[PART_WORK]);
 
 	/* firmware startup completed */
 	return 0;

drivers/net/wireless/ti/wlcore/event.c

@@ -278,15 +278,6 @@ int wl1271_event_unmask(struct wl1271 *wl)
 	return 0;
 }
 
-void wl1271_event_mbox_config(struct wl1271 *wl)
-{
-	wl->mbox_ptr[0] = wlcore_read_reg(wl, REG_EVENT_MAILBOX_PTR);
-	wl->mbox_ptr[1] = wl->mbox_ptr[0] + sizeof(struct event_mailbox);
-
-	wl1271_debug(DEBUG_EVENT, "MBOX ptrs: 0x%x 0x%x",
-		     wl->mbox_ptr[0], wl->mbox_ptr[1]);
-}
-
 int wl1271_event_handle(struct wl1271 *wl, u8 mbox_num)
 {
 	int ret;

drivers/net/wireless/ti/wlcore/event.h

@@ -135,7 +135,6 @@ struct event_mailbox {
 struct wl1271;
 
 int wl1271_event_unmask(struct wl1271 *wl);
-void wl1271_event_mbox_config(struct wl1271 *wl);
 int wl1271_event_handle(struct wl1271 *wl, u8 mbox);
 
 #endif

drivers/net/wireless/ti/wlcore/wlcore.h

@@ -111,7 +111,6 @@ struct wl1271 {
 	struct wl1271_chip chip;
 
 	int cmd_box_addr;
-	int event_box_addr;
 
 	u8 *fw;
 	size_t fw_len;