From 281b44d1c35792946e2a2373c60e543cd5d71c03 Mon Sep 17 00:00:00 2001 From: Jes Sorensen Date: Wed, 29 Jun 2016 11:47:10 -0400 Subject: [PATCH] rtl8xxxu: Add rtl8188e_usb_quirk() for enabling MAC TX/RX Due to a bug in the 8188e chips, this has to be done after setting REG_TRXFF_BNDY. Signed-off-by: Jes Sorensen --- drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c @@ -200,9 +200,24 @@ exit: return ret; } +static void rtl8188e_usb_quirks(struct rtl8xxxu_priv *priv) +{ + u16 val16; + + /* + * Technically this is not a USB quirk, but a chip quirk. + * This has to be done after REG_TRXFF_BNDY is set, see + * rtl8188eu_power_on() for details. + */ + val16 = rtl8xxxu_read16(priv, REG_CR); + val16 |= (CR_MAC_TX_ENABLE | CR_MAC_RX_ENABLE); + rtl8xxxu_write16(priv, REG_CR, val16); +} + struct rtl8xxxu_fileops rtl8188eu_fops = { .parse_efuse = rtl8188eu_parse_efuse, .load_firmware = rtl8188eu_load_firmware, .power_on = rtl8188eu_power_on, .reset_8051 = rtl8xxxu_reset_8051, + .usb_quirks = rtl8188e_usb_quirks, };