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31 lines
1.0 KiB
Diff
31 lines
1.0 KiB
Diff
From ee286f4b57536ec4a7c1b52d0a3476f8e52594d5 Mon Sep 17 00:00:00 2001
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From: Jes Sorensen <Jes.Sorensen@redhat.com>
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Date: Fri, 30 Sep 2016 16:39:39 -0400
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Subject: [PATCH] rtl8xxxu: Fix rtl8723bu driver reload issue
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The generic disable_rf() function clears bits 22 and 23 in
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REG_RX_WAIT_CCA, however we did not re-enable them again in
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rtl8723b_enable_rf()
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This resolves the problem for me with 8723bu devices not working again
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after reloading the driver.
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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_8723b.c | 4 ++++
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1 file changed, 4 insertions(+)
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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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@@ -1498,6 +1498,10 @@ static void rtl8723b_enable_rf(struct rt
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u32 val32;
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u8 val8;
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+ val32 = rtl8xxxu_read32(priv, REG_RX_WAIT_CCA);
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+ val32 |= (BIT(22) | BIT(23));
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+ rtl8xxxu_write32(priv, REG_RX_WAIT_CCA, val32);
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+
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/*
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* No indication anywhere as to what 0x0790 does. The 2 antenna
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* vendor code preserves bits 6-7 here.
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