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From 08eca32ebc891e9501802522dc4bff5136edde86 Mon Sep 17 00:00:00 2001
From: Jes Sorensen <Jes.Sorensen@redhat.com>
Date: Thu, 9 Jun 2016 14:38:48 -0400
Subject: [PATCH] rtl8xxxu: Add additional documentation for RX DMA registers

This also renames REG_USB_AGG_{TO,TH} to REG_USB_AGG_{TIMEOUT,THRESH}

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
---
 drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h
@@ -405,7 +405,11 @@
 #define REG_DWBCN1_CTRL_8723B		0x0228
 
 /* 0x0280 ~ 0x02FF	RXDMA Configuration */
-#define REG_RXDMA_AGG_PG_TH		0x0280
+#define REG_RXDMA_AGG_PG_TH		0x0280	/* 0-7 : USB DMA size bits
+						   8-14: USB DMA timeout
+						   15  : Aggregation enable
+						         Only seems to be used
+							 on 8723bu/8192eu */
 #define  RXDMA_USB_AGG_ENABLE		BIT(31)
 #define REG_RXPKT_NUM			0x0284
 #define  RXPKT_NUM_RXDMA_IDLE		BIT(17)
@@ -1058,8 +1062,8 @@
 						   0: Use int, 1: use bulk */
 #define REG_USB_HRPWM			0xfe58
 #define REG_USB_DMA_AGG_TO		0xfe5b
-#define REG_USB_AGG_TO			0xfe5c
-#define REG_USB_AGG_TH			0xfe5d
+#define REG_USB_AGG_TIMEOUT		0xfe5c
+#define REG_USB_AGG_THRESH		0xfe5d
 
 #define REG_NORMAL_SIE_VID		0xfe60	/* 0xfe60 - 0xfe61 */
 #define REG_NORMAL_SIE_PID		0xfe62	/* 0xfe62 - 0xfe63 */