libertas: store rssi as an u32

Don't store an (hardware base) u8 value in bss_descriptor, but just an
unsigned int (RSSI is really unsigned). Compilers generate more efficent
code for ints than for bytes.

Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 1 insertions, 6 deletions

diff --git a/drivers/net/wireless/libertas/scan.h b/drivers/net/wireless/libertas/scan.h
index c50c8b74714b..b50cf1415e04 100644
--- a/drivers/net/wireless/libertas/scan.h
+++ b/drivers/net/wireless/libertas/scan.h
@@ -34,14 +34,9 @@ struct bss_descriptor {
         u8 ssid_len;
 
         u16 capability;
-
-        /* receive signal strength in dBm */
-        long rssi;
-
+        u32 rssi;
         u32 channel;
-
         u16 beaconperiod;
-
         u32 atimwindow;
 
         /* IW_MODE_AUTO, IW_MODE_ADHOC, IW_MODE_INFRA */