rtl8180: silence "dubious: x | !y" sparse warning

  CHECK   drivers/net/wireless/rtl818x/rtl8180_rtl8225.c
drivers/net/wireless/rtl818x/rtl8180_rtl8225.c:53:33: warning: dubious: x | !y

The existing code is clever and works fine, but it's not worth even a
single line of Sparse warning SPAM...

Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/net/wireless/rtl818x/rtl8180_rtl8225.c b/drivers/net/wireless/rtl818x/rtl8180_rtl8225.c
index 4d2be0d9672b..69e4d4745dae 100644
--- a/drivers/net/wireless/rtl818x/rtl8180_rtl8225.c
+++ b/drivers/net/wireless/rtl818x/rtl8180_rtl8225.c
@@ -50,7 +50,10 @@ static void rtl8225_write(struct ieee80211_hw *dev, u8 addr, u16 data)
         udelay(10);
 
         for (i = 15; i >= 0; i--) {
-                u16 reg = reg80 | !!(bangdata & (1 << i));
+                u16 reg = reg80;
+
+                if (bangdata & (1 << i))
+                        reg |= 1;
 
                 if (i & 1)
                         rtl818x_iowrite16(priv, &priv->map->RFPinsOutput, reg);