From: Jes Sorensen <Jes.Sorensen@xxxxxxxxxx>
Implement workaround for LDPC RX hands on 8192eu. This was inspired by
workaround found in the 8192eu vendor driver.
Signed-off-by: Jes Sorensen <Jes.Sorensen@xxxxxxxxxx>
---
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
index e06b25e..c800882 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
@@ -7234,6 +7234,16 @@ static int rtl8xxxu_init_device(struct ieee80211_hw *hw)
/* ack for xmit mgmt frames. */
rtl8xxxu_write32(priv, REG_FWHW_TXQ_CTRL, val32);
+ if (priv->rtl_chip == RTL8192E) {
+ /*
+ * Fix LDPC rx hang issue.
+ */
+ val32 = rtl8xxxu_read32(priv, REG_AFE_MISC);
+ rtl8xxxu_write8(priv, REG_8192E_LDOV12_CTRL, 0x75);
+ val32 &= 0xfff00fff;
+ val32 |= 0x0007e000;
+ rtl8xxxu_write32(priv, REG_8192E_LDOV12_CTRL, val32);
+ }
exit:
return ret;
}
--
2.5.5
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