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- From f435337a2fc97c97476d833700e4a8fd17d99007 Mon Sep 17 00:00:00 2001
- From: Jes Sorensen <Jes.Sorensen@redhat.com>
- Date: Wed, 10 Aug 2016 15:41:13 -0400
- Subject: [PATCH] rtl8xxxu: Disable packet DMA aggregation on 8188eu
- For now disable packet DMA aggregation on the 8188eu, rather then
- risking the feature being left on by the init tables.
- Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
- ---
- drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c | 14 ++++++++++++++
- 1 file changed, 14 insertions(+)
- --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c
- +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c
- @@ -461,6 +461,19 @@ void rtl8188eu_config_channel(struct iee
- }
- }
-
- +void rtl8188eu_init_aggregation(struct rtl8xxxu_priv *priv)
- +{
- + u8 agg_ctrl, usb_spec;
- +
- + usb_spec = rtl8xxxu_read8(priv, REG_USB_SPECIAL_OPTION);
- + usb_spec &= ~USB_SPEC_USB_AGG_ENABLE;
- + rtl8xxxu_write8(priv, REG_USB_SPECIAL_OPTION, usb_spec);
- +
- + agg_ctrl = rtl8xxxu_read8(priv, REG_TRXDMA_CTRL);
- + agg_ctrl &= ~TRXDMA_CTRL_RXDMA_AGG_EN;
- + rtl8xxxu_write8(priv, REG_TRXDMA_CTRL, agg_ctrl);
- +}
- +
- static int rtl8188eu_parse_efuse(struct rtl8xxxu_priv *priv)
- {
- struct rtl8188eu_efuse *efuse = &priv->efuse_wifi.efuse8188eu;
- @@ -1223,6 +1236,7 @@ struct rtl8xxxu_fileops rtl8188eu_fops =
- .phy_iq_calibrate = rtl8188eu_phy_iq_calibrate,
- .config_channel = rtl8188eu_config_channel,
- .parse_rx_desc = rtl8xxxu_parse_rxdesc16,
- + .init_aggregation = rtl8188eu_init_aggregation,
- .enable_rf = rtl8188e_enable_rf,
- .disable_rf = rtl8188e_disable_rf,
- .usb_quirks = rtl8188e_usb_quirks,
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