94 lines
3.7 KiB
Diff
94 lines
3.7 KiB
Diff
From 738832d9e91098f5b3ddb4e71fe8e666575c6bdb Mon Sep 17 00:00:00 2001
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From: Jes Sorensen <Jes.Sorensen@redhat.com>
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Date: Wed, 24 Aug 2016 13:54:00 -0400
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Subject: [PATCH] rtl8xxxu: Do not set auto rate fallback on 8188eu
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Introduce a fileops flag to indicate whether the device has this
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feature.
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Reported-by: Taehee Yoo <ap420073@gmail.com>
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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.h | 1 +
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drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192c.c | 1 +
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drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192e.c | 1 +
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drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723a.c | 1 +
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drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723b.c | 1 +
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drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c | 15 ++++++++++-----
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6 files changed, 15 insertions(+), 5 deletions(-)
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--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h
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+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h
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@@ -1398,6 +1398,7 @@ struct rtl8xxxu_fileops {
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u8 has_s0s1:1;
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u8 has_tx_report:1;
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u8 gen2_thermal_meter:1;
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+ u8 has_darfrc:1;
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u32 adda_1t_init;
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u32 adda_1t_path_on;
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u32 adda_2t_path_on_a;
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--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192c.c
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+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192c.c
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@@ -572,6 +572,7 @@ struct rtl8xxxu_fileops rtl8192cu_fops =
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.rx_agg_buf_size = 16000,
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.tx_desc_size = sizeof(struct rtl8xxxu_txdesc32),
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.rx_desc_size = sizeof(struct rtl8xxxu_rxdesc16),
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+ .has_darfrc = 1,
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.adda_1t_init = 0x0b1b25a0,
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.adda_1t_path_on = 0x0bdb25a0,
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.adda_2t_path_on_a = 0x04db25a4,
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--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192e.c
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+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192e.c
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@@ -1655,6 +1655,7 @@ struct rtl8xxxu_fileops rtl8192eu_fops =
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.rx_desc_size = sizeof(struct rtl8xxxu_rxdesc24),
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.has_s0s1 = 0,
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.gen2_thermal_meter = 1,
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+ .has_darfrc = 1,
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.adda_1t_init = 0x0fc01616,
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.adda_1t_path_on = 0x0fc01616,
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.adda_2t_path_on_a = 0x0fc01616,
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--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723a.c
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+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723a.c
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@@ -389,6 +389,7 @@ struct rtl8xxxu_fileops rtl8723au_fops =
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.rx_agg_buf_size = 16000,
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.tx_desc_size = sizeof(struct rtl8xxxu_txdesc32),
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.rx_desc_size = sizeof(struct rtl8xxxu_rxdesc16),
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+ .has_darfrc = 1,
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.adda_1t_init = 0x0b1b25a0,
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.adda_1t_path_on = 0x0bdb25a0,
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.adda_2t_path_on_a = 0x04db25a4,
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--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723b.c
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+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723b.c
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@@ -1673,6 +1673,7 @@ struct rtl8xxxu_fileops rtl8723bu_fops =
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.has_s0s1 = 1,
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.has_tx_report = 1,
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.gen2_thermal_meter = 1,
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+ .has_darfrc = 1,
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.adda_1t_init = 0x01c00014,
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.adda_1t_path_on = 0x01c00014,
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.adda_2t_path_on_a = 0x01c00014,
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--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
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+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
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@@ -4105,11 +4105,16 @@ static int rtl8xxxu_init_device(struct i
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rtl8xxxu_write32(priv, REG_EDCA_VI_PARAM, 0x005ea324);
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rtl8xxxu_write32(priv, REG_EDCA_VO_PARAM, 0x002fa226);
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- /* Set data auto rate fallback retry count */
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- rtl8xxxu_write32(priv, REG_DARFRC, 0x00000000);
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- rtl8xxxu_write32(priv, REG_DARFRC + 4, 0x10080404);
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- rtl8xxxu_write32(priv, REG_RARFRC, 0x04030201);
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- rtl8xxxu_write32(priv, REG_RARFRC + 4, 0x08070605);
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+ /*
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+ * Set data auto rate fallback retry count.
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+ * Notably the 8188eu doesn't seem to use this
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+ */
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+ if (fops->has_darfrc) {
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+ rtl8xxxu_write32(priv, REG_DARFRC, 0x00000000);
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+ rtl8xxxu_write32(priv, REG_DARFRC + 4, 0x10080404);
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+ rtl8xxxu_write32(priv, REG_RARFRC, 0x04030201);
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+ rtl8xxxu_write32(priv, REG_RARFRC + 4, 0x08070605);
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+ }
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val8 = rtl8xxxu_read8(priv, REG_FWHW_TXQ_CTRL);
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val8 |= FWHW_TXQ_CTRL_AMPDU_RETRY;
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