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35 lines
1.2 KiB
Diff
35 lines
1.2 KiB
Diff
From 3ab047939db70fcae2a7c5993a8feaf3ac413e35 Mon Sep 17 00:00:00 2001
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From: Jes Sorensen <Jes.Sorensen@redhat.com>
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Date: Wed, 29 Jun 2016 11:53:31 -0400
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Subject: [PATCH] rtl8xxxu: 8188e add REG_TXDMA_OFFSET_CHK quirk
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Enable quirk allowing TX DMA to drop redundant data of packet. This is
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the same quirk enabled on gen2 parts.
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Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
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---
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drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c | 5 +++++
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1 file changed, 5 insertions(+)
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--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c
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+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c
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@@ -203,6 +203,7 @@ exit:
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static void rtl8188e_usb_quirks(struct rtl8xxxu_priv *priv)
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{
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u16 val16;
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+ u32 val32;
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/*
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* Technically this is not a USB quirk, but a chip quirk.
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@@ -212,6 +213,10 @@ static void rtl8188e_usb_quirks(struct r
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val16 = rtl8xxxu_read16(priv, REG_CR);
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val16 |= (CR_MAC_TX_ENABLE | CR_MAC_RX_ENABLE);
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rtl8xxxu_write16(priv, REG_CR, val16);
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+
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+ val32 = rtl8xxxu_read32(priv, REG_TXDMA_OFFSET_CHK);
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+ val32 |= TXDMA_OFFSET_DROP_DATA_EN;
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+ rtl8xxxu_write32(priv, REG_TXDMA_OFFSET_CHK, val32);
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}
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struct rtl8xxxu_fileops rtl8188eu_fops = {
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