Merge remote-tracking branches 'asoc/topic/wm8904', 'asoc/topic/wm8955' and 'asoc...

[karo-tx-linux.git] / drivers / net / wireless / rtlwifi / rtl8821ae / hw.c

diff --git a/drivers/net/wireless/rtlwifi/rtl8821ae/hw.c b/drivers/net/wireless/rtlwifi/rtl8821ae/hw.c
index b7f18e2155eb18358cf4d4f9f3f82774f9b6f522..6e9418ed90c289bee5b7f2dfc478f847dfc7ca68 100644 (file)
--- a/drivers/net/wireless/rtlwifi/rtl8821ae/hw.c
+++ b/drivers/net/wireless/rtlwifi/rtl8821ae/hw.c
@@ -2253,11 +2253,28 @@ void rtl8821ae_set_qos(struct ieee80211_hw *hw, int aci)
        }
 }
 
+static void rtl8821ae_clear_interrupt(struct ieee80211_hw *hw)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       u32 tmp = rtl_read_dword(rtlpriv, REG_HISR);
+
+       rtl_write_dword(rtlpriv, REG_HISR, tmp);
+
+       tmp = rtl_read_dword(rtlpriv, REG_HISRE);
+       rtl_write_dword(rtlpriv, REG_HISRE, tmp);
+
+       tmp = rtl_read_dword(rtlpriv, REG_HSISR);
+       rtl_write_dword(rtlpriv, REG_HSISR, tmp);
+}
+
 void rtl8821ae_enable_interrupt(struct ieee80211_hw *hw)
 {
        struct rtl_priv *rtlpriv = rtl_priv(hw);
        struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
 
+       if (!rtlpci->int_clear)
+               rtl8821ae_clear_interrupt(hw);/*clear it here first*/
+
        rtl_write_dword(rtlpriv, REG_HIMR, rtlpci->irq_mask[0] & 0xFFFFFFFF);
        rtl_write_dword(rtlpriv, REG_HIMRE, rtlpci->irq_mask[1] & 0xFFFFFFFF);
        rtlpci->irq_enabled = true;