Staging: w35und: Kill struct hwdata ->NullPacketCount

This patch kills the NullPacketCount member of struct hwdata. It's not used for
anything so it's safe to remove it.
Acked-by: NPavel Machek <pavel@ucw.cz>
Signed-off-by: NPekka Enberg <penberg@kernel.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/staging/winbond/wbhal.h

@@ -342,9 +342,6 @@ struct wb35_descriptor { /* Skip length = 8 DWORD */
 	void	*buffer_address[MAX_DESCRIPTOR_BUFFER_INDEX];
 };
 
-
-#define DEFAULT_NULL_PACKET_COUNT	180000	/* 180 seconds */
-
 #define MAX_TXVGA_EEPROM		9	/* How many word(u16) of EEPROM will be used for TxVGA */
 #define MAX_RF_PARAMETER		32
 
@@ -517,9 +514,6 @@ struct hw_data {
 
 	/* For error recover */
 	u32		HwStop;
-
-	/* For avoid AP disconnect */
-	u32		NullPacketCount;
 };
 
 #endif

drivers/staging/winbond/wbusb.c

@@ -611,15 +611,6 @@ static void hal_led_control(unsigned long data)
 			}
 			break;
 		}
-
-		/* Active send null packet to avoid AP disconnect */
-		if (pHwData->LED_LinkOn) {
-			pHwData->NullPacketCount += TimeInterval;
-			if (pHwData->NullPacketCount >=
-			    DEFAULT_NULL_PACKET_COUNT) {
-				pHwData->NullPacketCount = 0;
-			}
-		}
 	}
 
 	pHwData->time_count += TimeInterval;