From: Jes Sorensen <[email protected]> Implement workaround for LDPC RX hands on 8192eu. This was inspired by workaround found in the 8192eu vendor driver.
Signed-off-by: Jes Sorensen <[email protected]> --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
