From: Jes Sorensen <Jes.Sorensen@xxxxxxxxxx>
The 8192eu (and some other parts) will report an incorrect USB OUT
EP. This tells the chip to drop it - as per the vendor driver.
Signed-off-by: Jes Sorensen <Jes.Sorensen@xxxxxxxxxx>
---
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c | 6 ++++++
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h | 1 +
2 files changed, 7 insertions(+)
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
index 45f787c..9236133 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
@@ -4362,6 +4362,12 @@ static int rtl8xxxu_init_device(struct ieee80211_hw *hw)
}
}
+ if (priv->rtlchip == 0x8192e) {
+ val32 = rtl8xxxu_read32(priv, REG_TXDMA_OFFSET_CHK);
+ val32 |= TXDMA_OFFSET_DROP_DATA_EN;
+ rtl8xxxu_write32(priv, REG_TXDMA_OFFSET_CHK, val32);
+ }
+
ret = rtl8xxxu_init_mac(priv, rtl8723a_mac_init_table);
dev_dbg(dev, "%s: init_mac %i\n", __func__, ret);
if (ret)
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h
index b83bd34..226a1fa 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h
@@ -367,6 +367,7 @@
#define REG_FIFOPAGE 0x0204
#define REG_TDECTRL 0x0208
#define REG_TXDMA_OFFSET_CHK 0x020c
+#define TXDMA_OFFSET_DROP_DATA_EN BIT(9)
#define REG_TXDMA_STATUS 0x0210
#define REG_RQPN_NPQ 0x0214
#define RQPN_NPQ_SHIFT 0
--
2.5.0
--
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