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freifunkist-firmware/package/kernel/mac80211/patches/653-0008-rtl8xxxu-Add-rtl81...

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From 58edb5e9811879e0a8e87f90057f12f615eab2d1 Mon Sep 17 00:00:00 2001
From: Jes Sorensen <Jes.Sorensen@redhat.com>
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 <Jes.Sorensen@redhat.com>
---
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,
};