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rtl8xxxu: Kludge to drop incorrect USB OUT EP for 8192EU 

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@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Jes Sorensen 2016-02-29 17:04:08 -05:00 committed by Kalle Valo
parent 4de2481919
commit b63d0aaca6
2 changed files with 7 additions and 0 deletions
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6
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
View File

@ -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)

1
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h
View File

@ -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