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- From 3ab047939db70fcae2a7c5993a8feaf3ac413e35 Mon Sep 17 00:00:00 2001
- From: Jes Sorensen <Jes.Sorensen@redhat.com>
- 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 <Jes.Sorensen@redhat.com>
- ---
- 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 = {
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