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rtlwifi: Don't block interrupts in spinlocks

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Now power state transitions are not called from an
interrupt context, there's no need to block interrupts.

This code appears to block interrupts for too long,
causing my trackpad to lose sync occasionally.

Signed-off-by: Mike McCormack <mikem@ring3k.org>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Mike McCormack
2011-05-31 08:49:36 +09:00
committed by John W. Linville
parent 67fc6052a4
commit 312d5479dc
3 changed files with 26 additions and 38 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/net/wireless/rtlwifi/rtl8192se/phy.c
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@@ -180,19 +180,18 @@ u32 rtl92s_phy_query_rf_reg(struct ieee80211_hw *hw, enum radio_path rfpath,
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
u32 original_value, readback_value, bitshift;
unsigned long flags;
RT_TRACE(rtlpriv, COMP_RF, DBG_TRACE, ("regaddr(%#x), rfpath(%#x), "
"bitmask(%#x)\n", regaddr, rfpath, bitmask));
spin_lock_irqsave(&rtlpriv->locks.rf_lock, flags);
spin_lock(&rtlpriv->locks.rf_lock);
original_value = _rtl92s_phy_rf_serial_read(hw, rfpath, regaddr);
bitshift = _rtl92s_phy_calculate_bit_shift(bitmask);
readback_value = (original_value & bitmask) >> bitshift;
spin_unlock_irqrestore(&rtlpriv->locks.rf_lock, flags);
spin_unlock(&rtlpriv->locks.rf_lock);
RT_TRACE(rtlpriv, COMP_RF, DBG_TRACE, ("regaddr(%#x), rfpath(%#x), "
"bitmask(%#x), original_value(%#x)\n", regaddr, rfpath,
@@ -207,7 +206,6 @@ void rtl92s_phy_set_rf_reg(struct ieee80211_hw *hw, enum radio_path rfpath,
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_phy *rtlphy = &(rtlpriv->phy);
u32 original_value, bitshift;
unsigned long flags;
if (!((rtlphy->rf_pathmap >> rfpath) & 0x1))
return;
@@ -215,7 +213,7 @@ void rtl92s_phy_set_rf_reg(struct ieee80211_hw *hw, enum radio_path rfpath,
RT_TRACE(rtlpriv, COMP_RF, DBG_TRACE, ("regaddr(%#x), bitmask(%#x),"
" data(%#x), rfpath(%#x)\n", regaddr, bitmask, data, rfpath));
spin_lock_irqsave(&rtlpriv->locks.rf_lock, flags);
spin_lock(&rtlpriv->locks.rf_lock);
if (bitmask != RFREG_OFFSET_MASK) {
original_value = _rtl92s_phy_rf_serial_read(hw, rfpath,
@@ -226,7 +224,7 @@ void rtl92s_phy_set_rf_reg(struct ieee80211_hw *hw, enum radio_path rfpath,
_rtl92s_phy_rf_serial_write(hw, rfpath, regaddr, data);
spin_unlock_irqrestore(&rtlpriv->locks.rf_lock, flags);
spin_unlock(&rtlpriv->locks.rf_lock);
RT_TRACE(rtlpriv, COMP_RF, DBG_TRACE, ("regaddr(%#x), bitmask(%#x), "
"data(%#x), rfpath(%#x)\n", regaddr, bitmask, data, rfpath));