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

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 <Jes.Sorensen@redhat.com>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
parent 3021e51f

drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c

+10 −0
Original line number Diff line number Diff line
@@ -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;

}