Commit e1394fe5 authored by Jes Sorensen's avatar Jes Sorensen Committed by Kalle Valo

rtl8xxxu: Fix LDPC RX hang issue on 8192eu

Implement workaround for LDPC RX hands on 8192eu. This was inspired by
workaround found in the 8192eu vendor driver.
Signed-off-by: default avatarJes Sorensen <>
Signed-off-by: default avatarKalle Valo <>
parent 3021e51f
......@@ -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);
return ret;
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