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From 660a287a0a32ce9f8be9b3ad625c597ad1ed38a2 Mon Sep 17 00:00:00 2001
From: Jes Sorensen <Jes.Sorensen@redhat.com>
Date: Wed, 10 Aug 2016 15:40:30 -0400
Subject: [PATCH] rtl8xxxu: Implement 8188eu specific 8051 reset function
The 8188eu doesn't seem to require the additional hacks used on some
other chips.
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
---
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c | 14 +++++++++++++-
1 file changed, 13 insertions(+), 1 deletion(-)
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c
@@ -505,6 +505,18 @@ static int rtl8188eu_parse_efuse(struct
return 0;
}
+void rtl8188eu_reset_8051(struct rtl8xxxu_priv *priv)
+{
+ u16 sys_func;
+
+ sys_func = rtl8xxxu_read16(priv, REG_SYS_FUNC);
+ sys_func &= ~SYS_FUNC_CPU_ENABLE;
+ rtl8xxxu_write16(priv, REG_SYS_FUNC, sys_func);
+
+ sys_func |= SYS_FUNC_CPU_ENABLE;
+ rtl8xxxu_write16(priv, REG_SYS_FUNC, sys_func);
+}
+
static int rtl8188eu_load_firmware(struct rtl8xxxu_priv *priv)
{
char *fw_name;
@@ -1204,7 +1216,7 @@ struct rtl8xxxu_fileops rtl8188eu_fops =
.load_firmware = rtl8188eu_load_firmware,
.power_on = rtl8188eu_power_on,
.power_off = rtl8xxxu_power_off,
- .reset_8051 = rtl8xxxu_reset_8051,
+ .reset_8051 = rtl8188eu_reset_8051,
.llt_init = rtl8xxxu_auto_llt_table,
.init_phy_bb = rtl8188eu_init_phy_bb,
.init_phy_rf = rtl8188eu_init_phy_rf,
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