From 7527a39358702ca106682c36dffb1a6cb16fab53 Mon Sep 17 00:00:00 2001 From: Jes Sorensen Date: Wed, 29 Jun 2016 11:53:31 -0400 Subject: [PATCH] rtl8xxxu: 8188e add REG_TXDMA_OFFSET_CHK quirk Enable quirk allowing TX DMA to drop redundant data of packet. This is the same quirk enabled on gen2 parts. Signed-off-by: Jes Sorensen --- drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c | 5 +++++ 1 file changed, 5 insertions(+) --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c @@ -203,6 +203,7 @@ exit: static void rtl8188e_usb_quirks(struct rtl8xxxu_priv *priv) { u16 val16; + u32 val32; /* * Technically this is not a USB quirk, but a chip quirk. @@ -212,6 +213,10 @@ static void rtl8188e_usb_quirks(struct r val16 = rtl8xxxu_read16(priv, REG_CR); val16 |= (CR_MAC_TX_ENABLE | CR_MAC_RX_ENABLE); rtl8xxxu_write16(priv, REG_CR, val16); + + val32 = rtl8xxxu_read32(priv, REG_TXDMA_OFFSET_CHK); + val32 |= TXDMA_OFFSET_DROP_DATA_EN; + rtl8xxxu_write32(priv, REG_TXDMA_OFFSET_CHK, val32); } struct rtl8xxxu_fileops rtl8188eu_fops = {