2010-12-22 01:40:36

by Larry Finger

[permalink] [raw]
Subject: [PATCH] rtlwifi: rtl8192ce: Fix driver problem when radio switch off at module load

If the radio enable switch is off when the driver is loaded, it is not
possible to get radio output until the driver is unloaded and reloaded
with the switch on.

Signed-off-by: Larry Finger <[email protected]>
---

Index: wireless-testing/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c
===================================================================
--- wireless-testing.orig/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c
+++ wireless-testing/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c
@@ -962,17 +962,6 @@ int rtl92ce_hw_init(struct ieee80211_hw
rtl_cam_reset_all_entry(hw);
rtl92ce_enable_hw_security_config(hw);
ppsc->rfpwr_state = ERFON;
- tmp_u1b = rtl_read_byte(rtlpriv, REG_MAC_PINMUX_CFG)&(~BIT(3));
- rtl_write_byte(rtlpriv, REG_MAC_PINMUX_CFG, tmp_u1b);
- tmp_u1b = rtl_read_byte(rtlpriv, REG_GPIO_IO_SEL);
- ppsc->rfoff_reason |= (tmp_u1b & BIT(3)) ? 0 : RF_CHANGE_BY_HW;
- if (ppsc->rfoff_reason > RF_CHANGE_BY_PS)
- rtl_ps_set_rf_state(hw, ERFOFF, ppsc->rfoff_reason, true);
- else {
- ppsc->rfpwr_state = ERFON;
- ppsc->rfoff_reason = 0;
- rtlpriv->cfg->ops->led_control(hw, LED_CTL_POWER_ON);
- }
rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_ETHER_ADDR, mac->mac_addr);
_rtl92ce_enable_aspm_back_door(hw);
rtlpriv->intf_ops->enable_aspm(hw);
Index: wireless-testing/drivers/net/wireless/rtlwifi/base.c
===================================================================
--- wireless-testing.orig/drivers/net/wireless/rtlwifi/base.c
+++ wireless-testing/drivers/net/wireless/rtlwifi/base.c
@@ -251,16 +251,14 @@ void rtl_init_rfkill(struct ieee80211_hw
bool blocked;
u8 valid = 0;

- /*set init state to rf on */
- rtlpriv->rfkill.rfkill_state = 1;
-
radio_state = rtlpriv->cfg->ops->radio_onoff_checking(hw, &valid);

- if (valid) {
- RT_TRACE(rtlpriv, COMP_RF, DBG_DMESG,
- (KERN_INFO "wireless switch is %s\n",
- rtlpriv->rfkill.rfkill_state ? "on" : "off"));
+ /*set init state to that of switch */
+ rtlpriv->rfkill.rfkill_state = radio_state;
+ printk(KERN_INFO "rtlwifi: wireless switch is %s\n",
+ rtlpriv->rfkill.rfkill_state ? "on" : "off");

+ if (valid) {
rtlpriv->rfkill.rfkill_state = radio_state;

blocked = (rtlpriv->rfkill.rfkill_state == 1) ? 0 : 1;