[PATCH 7/9] staging: r8188eu: remove UsbRxAggMode from struct hal_data_8188e

From: Michael Straube
Date: Tue Feb 01 2022 - 03:43:38 EST


UsbRxAggMode in struct hal_data_8188e is set to USB_RX_AGG_DMA and
never changed. Remove UsbRxAggMode from the hal_data_8188e structure
and remove related dead code.

Signed-off-by: Michael Straube <straube.linux@xxxxxxxxx>
---
drivers/staging/r8188eu/hal/usb_halinit.c | 46 ++-----------------
drivers/staging/r8188eu/hal/usb_ops_linux.c | 14 +-----
.../staging/r8188eu/include/rtl8188e_hal.h | 8 ----
3 files changed, 7 insertions(+), 61 deletions(-)

diff --git a/drivers/staging/r8188eu/hal/usb_halinit.c b/drivers/staging/r8188eu/hal/usb_halinit.c
index 1c40d5065f51..24c11c666534 100644
--- a/drivers/staging/r8188eu/hal/usb_halinit.c
+++ b/drivers/staging/r8188eu/hal/usb_halinit.c
@@ -53,7 +53,6 @@ void rtl8188eu_interface_configure(struct adapter *adapt)
else
haldata->UsbBulkOutSize = USB_FULL_SPEED_BULK_SIZE;/* 64 bytes */

- haldata->UsbRxAggMode = USB_RX_AGG_DMA;/* USB_RX_AGG_DMA; */
haldata->UsbRxAggBlockCount = 8; /* unit : 512b */
haldata->UsbRxAggBlockTimeout = 0x6;
haldata->UsbRxAggPageCount = 48; /* uint :128 b 0x0A; 10 = MAX_RX_DMA_BUFFER_SIZE/2/haldata->UsbBulkOutSize */
@@ -443,50 +442,15 @@ usb_AggSettingRxUpdate(
valueDMA = rtw_read8(Adapter, REG_TRXDMA_CTRL);
valueUSB = rtw_read8(Adapter, REG_USB_SPECIAL_OPTION);

- switch (haldata->UsbRxAggMode) {
- case USB_RX_AGG_DMA:
- valueDMA |= RXDMA_AGG_EN;
- valueUSB &= ~USB_AGG_EN;
- break;
- case USB_RX_AGG_USB:
- valueDMA &= ~RXDMA_AGG_EN;
- valueUSB |= USB_AGG_EN;
- break;
- case USB_RX_AGG_MIX:
- valueDMA |= RXDMA_AGG_EN;
- valueUSB |= USB_AGG_EN;
- break;
- case USB_RX_AGG_DISABLE:
- default:
- valueDMA &= ~RXDMA_AGG_EN;
- valueUSB &= ~USB_AGG_EN;
- break;
- }
+ valueDMA |= RXDMA_AGG_EN;
+ valueUSB &= ~USB_AGG_EN;

rtw_write8(Adapter, REG_TRXDMA_CTRL, valueDMA);
rtw_write8(Adapter, REG_USB_SPECIAL_OPTION, valueUSB);

- switch (haldata->UsbRxAggMode) {
- case USB_RX_AGG_DMA:
- rtw_write8(Adapter, REG_RXDMA_AGG_PG_TH, haldata->UsbRxAggPageCount);
- rtw_write8(Adapter, REG_RXDMA_AGG_PG_TH + 1, haldata->UsbRxAggPageTimeout);
- break;
- case USB_RX_AGG_USB:
- rtw_write8(Adapter, REG_USB_AGG_TH, haldata->UsbRxAggBlockCount);
- rtw_write8(Adapter, REG_USB_AGG_TO, haldata->UsbRxAggBlockTimeout);
- break;
- case USB_RX_AGG_MIX:
- rtw_write8(Adapter, REG_RXDMA_AGG_PG_TH, haldata->UsbRxAggPageCount);
- rtw_write8(Adapter, REG_RXDMA_AGG_PG_TH + 1, (haldata->UsbRxAggPageTimeout & 0x1F));/* 0x280[12:8] */
- rtw_write8(Adapter, REG_USB_AGG_TH, haldata->UsbRxAggBlockCount);
- rtw_write8(Adapter, REG_USB_AGG_TO, haldata->UsbRxAggBlockTimeout);
- break;
- case USB_RX_AGG_DISABLE:
- default:
- /* TODO: */
- break;
- }
-} /* usb_AggSettingRxUpdate */
+ rtw_write8(Adapter, REG_RXDMA_AGG_PG_TH, haldata->UsbRxAggPageCount);
+ rtw_write8(Adapter, REG_RXDMA_AGG_PG_TH + 1, haldata->UsbRxAggPageTimeout);
+}

static void InitUsbAggregationSetting(struct adapter *Adapter)
{
diff --git a/drivers/staging/r8188eu/hal/usb_ops_linux.c b/drivers/staging/r8188eu/hal/usb_ops_linux.c
index 4a0ab4053e90..b7b51af7f2c3 100644
--- a/drivers/staging/r8188eu/hal/usb_ops_linux.c
+++ b/drivers/staging/r8188eu/hal/usb_ops_linux.c
@@ -295,18 +295,8 @@ static int recvbuf2recvframe(struct adapter *adapt, struct sk_buff *pskb)

recvframe_put(precvframe, skb_len);

- switch (haldata->UsbRxAggMode) {
- case USB_RX_AGG_DMA:
- case USB_RX_AGG_MIX:
- pkt_offset = (u16)_RND128(pkt_offset);
- break;
- case USB_RX_AGG_USB:
- pkt_offset = (u16)_RND4(pkt_offset);
- break;
- case USB_RX_AGG_DISABLE:
- default:
- break;
- }
+ pkt_offset = (u16)_RND128(pkt_offset);
+
if (pattrib->pkt_rpt_type == NORMAL_RX) { /* Normal rx packet */
if (pattrib->physt)
update_recvframe_phyinfo_88e(precvframe, (struct phy_stat *)pphy_status);
diff --git a/drivers/staging/r8188eu/include/rtl8188e_hal.h b/drivers/staging/r8188eu/include/rtl8188e_hal.h
index 5dce718c0865..98d909b6d217 100644
--- a/drivers/staging/r8188eu/include/rtl8188e_hal.h
+++ b/drivers/staging/r8188eu/include/rtl8188e_hal.h
@@ -72,13 +72,6 @@ struct rt_firmware_hdr {
#define DRIVER_EARLY_INT_TIME 0x05
#define BCN_DMA_ATIME_INT_TIME 0x02

-enum usb_rx_agg_mode {
- USB_RX_AGG_DISABLE,
- USB_RX_AGG_DMA,
- USB_RX_AGG_USB,
- USB_RX_AGG_MIX
-};
-
#define MAX_RX_DMA_BUFFER_SIZE_88E \
0x2400 /* 9k for 88E nornal chip , MaxRxBuff=10k-max(TxReportSize(64*8),
* WOLPattern(16*24)) */
@@ -213,7 +206,6 @@ struct hal_data_8188e {

u32 UsbBulkOutSize;

- enum usb_rx_agg_mode UsbRxAggMode;
u8 UsbRxAggBlockCount; /* USB Block count. Block size is
* 512-byte in high speed and 64-byte
* in full speed */
--
2.34.1