3.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Larry Finger <[email protected]>

commit 97204e93f01868eeba6ae5c4f3270f32905bb418 upstream.

Signed-off-by: Larry Finger <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

---
 drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c |   36 ++++++++++++++++++++++
 1 file changed, 36 insertions(+)

--- a/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c
@@ -158,6 +158,42 @@ static const u8 cckswing_table_ch14[CCK_
        {0x09, 0x08, 0x07, 0x04, 0x00, 0x00, 0x00, 0x00}
 };
 
+static u32 power_index_reg[6] = {0xc90, 0xc91, 0xc92, 0xc98, 0xc99, 0xc9a};
+
+void dm_restorepowerindex(struct ieee80211_hw *hw)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       u8      index;
+
+       for (index = 0; index < 6; index++)
+               rtl_write_byte(rtlpriv, power_index_reg[index],
+                              rtlpriv->dm.powerindex_backup[index]);
+}
+EXPORT_SYMBOL_GPL(dm_restorepowerindex);
+
+void dm_writepowerindex(struct ieee80211_hw *hw, u8 value)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       u8 index;
+
+       for (index = 0; index < 6; index++)
+               rtl_write_byte(rtlpriv, power_index_reg[index], value);
+}
+EXPORT_SYMBOL_GPL(dm_writepowerindex);
+
+void dm_savepowerindex(struct ieee80211_hw *hw)
+{
+       struct rtl_priv *rtlpriv = rtl_priv(hw);
+       u8 index;
+       u8 tmp;
+
+       for (index = 0; index < 6; index++) {
+               tmp = rtl_read_byte(rtlpriv, power_index_reg[index]);
+               rtlpriv->dm.powerindex_backup[index] = tmp;
+       }
+}
+EXPORT_SYMBOL_GPL(dm_savepowerindex);
+
 static void rtl92c_dm_diginit(struct ieee80211_hw *hw)
 {
        struct rtl_priv *rtlpriv = rtl_priv(hw);


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