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Message-ID: <20170217175059.GA26957@singhal-Inspiron-5558>
Date:   Fri, 17 Feb 2017 23:20:59 +0530
From:   simran singhal <singhalsimran0@...il.com>
To:     gregkh@...uxfoundation.org
Cc:     devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
        outreachy-kernel@...glegroups.com
Subject: [PATCH v2 3/3] staging: rtl8192u: Prefer using the BIT macro

Replaces left shift operation (1 << d) by BIT(x) macro.

Fix the checkpatch.pl issue:
CHECK: Prefer using the BIT macro replacing

Signed-off-by: simran singhal <singhalsimran0@...il.com>
---
 
 V2:
   -modified patch message.

 drivers/staging/rtl8192u/ieee80211/ieee80211.h | 140 ++++++++++++-------------
 1 file changed, 70 insertions(+), 70 deletions(-)

diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211.h b/drivers/staging/rtl8192u/ieee80211/ieee80211.h
index a020e04..648806b 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211.h
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211.h
@@ -502,28 +502,28 @@ do { if (ieee80211_debug_level & (level)) \
  *
  */
 
-#define IEEE80211_DL_INFO          (1<<0)
-#define IEEE80211_DL_WX            (1<<1)
-#define IEEE80211_DL_SCAN          (1<<2)
-#define IEEE80211_DL_STATE         (1<<3)
-#define IEEE80211_DL_MGMT          (1<<4)
-#define IEEE80211_DL_FRAG          (1<<5)
-#define IEEE80211_DL_EAP           (1<<6)
-#define IEEE80211_DL_DROP          (1<<7)
-
-#define IEEE80211_DL_TX            (1<<8)
-#define IEEE80211_DL_RX            (1<<9)
-
-#define IEEE80211_DL_HT		   (1<<10)  //HT
-#define IEEE80211_DL_BA		   (1<<11)  //ba
-#define IEEE80211_DL_TS		   (1<<12)  //TS
-#define IEEE80211_DL_QOS           (1<<13)
-#define IEEE80211_DL_REORDER	   (1<<14)
-#define IEEE80211_DL_IOT	   (1<<15)
-#define IEEE80211_DL_IPS	   (1<<16)
-#define IEEE80211_DL_TRACE	   (1<<29)  //trace function, need to user net_ratelimit() together in order not to print too much to the screen
-#define IEEE80211_DL_DATA	   (1<<30)   //use this flag to control whether print data buf out.
-#define IEEE80211_DL_ERR	   (1<<31)   //always open
+#define IEEE80211_DL_INFO          BIT(0)
+#define IEEE80211_DL_WX            BIT(1)
+#define IEEE80211_DL_SCAN          BIT(2)
+#define IEEE80211_DL_STATE         BIT(3)
+#define IEEE80211_DL_MGMT          BIT(4)
+#define IEEE80211_DL_FRAG          BIT(5)
+#define IEEE80211_DL_EAP           BIT(6)
+#define IEEE80211_DL_DROP          BIT(7)
+
+#define IEEE80211_DL_TX            BIT(8)
+#define IEEE80211_DL_RX            BIT(9)
+
+#define IEEE80211_DL_HT		   BIT(10)  //HT
+#define IEEE80211_DL_BA		   BIT(11)  //ba
+#define IEEE80211_DL_TS		   BIT(12)  //TS
+#define IEEE80211_DL_QOS           BIT(13)
+#define IEEE80211_DL_REORDER	   BIT(14)
+#define IEEE80211_DL_IOT	   BIT(15)
+#define IEEE80211_DL_IPS	   BIT(16)
+#define IEEE80211_DL_TRACE	   BIT(29)  //trace function, need to user net_ratelimit() together in order not to print too much to the screen
+#define IEEE80211_DL_DATA	   BIT(30)   //use this flag to control whether print data buf out.
+#define IEEE80211_DL_ERR	   BIT(31)   //always open
 #define IEEE80211_ERROR(f, a...) printk(KERN_ERR "ieee80211: " f, ## a)
 #define IEEE80211_WARNING(f, a...) printk(KERN_WARNING "ieee80211: " f, ## a)
 #define IEEE80211_DEBUG_INFO(f, a...)   IEEE80211_DEBUG(IEEE80211_DL_INFO, f, ## a)
@@ -625,18 +625,18 @@ struct ieee80211_snap_hdr {
 #define IEEE80211_OFDM_RATE_54MB		0x6C
 #define IEEE80211_BASIC_RATE_MASK		0x80
 
-#define IEEE80211_CCK_RATE_1MB_MASK		(1<<0)
-#define IEEE80211_CCK_RATE_2MB_MASK		(1<<1)
-#define IEEE80211_CCK_RATE_5MB_MASK		(1<<2)
-#define IEEE80211_CCK_RATE_11MB_MASK		(1<<3)
-#define IEEE80211_OFDM_RATE_6MB_MASK		(1<<4)
-#define IEEE80211_OFDM_RATE_9MB_MASK		(1<<5)
-#define IEEE80211_OFDM_RATE_12MB_MASK		(1<<6)
-#define IEEE80211_OFDM_RATE_18MB_MASK		(1<<7)
-#define IEEE80211_OFDM_RATE_24MB_MASK		(1<<8)
-#define IEEE80211_OFDM_RATE_36MB_MASK		(1<<9)
-#define IEEE80211_OFDM_RATE_48MB_MASK		(1<<10)
-#define IEEE80211_OFDM_RATE_54MB_MASK		(1<<11)
+#define IEEE80211_CCK_RATE_1MB_MASK		BIT(0)
+#define IEEE80211_CCK_RATE_2MB_MASK		BIT(1)
+#define IEEE80211_CCK_RATE_5MB_MASK		BIT(2)
+#define IEEE80211_CCK_RATE_11MB_MASK		BIT(3)
+#define IEEE80211_OFDM_RATE_6MB_MASK		BIT(4)
+#define IEEE80211_OFDM_RATE_9MB_MASK		BIT(5)
+#define IEEE80211_OFDM_RATE_12MB_MASK		BIT(6)
+#define IEEE80211_OFDM_RATE_18MB_MASK		BIT(7)
+#define IEEE80211_OFDM_RATE_24MB_MASK		BIT(8)
+#define IEEE80211_OFDM_RATE_36MB_MASK		BIT(9)
+#define IEEE80211_OFDM_RATE_48MB_MASK		BIT(10)
+#define IEEE80211_OFDM_RATE_54MB_MASK		BIT(11)
 
 #define IEEE80211_CCK_RATES_MASK		0x0000000F
 #define IEEE80211_CCK_BASIC_RATES_MASK	(IEEE80211_CCK_RATE_1MB_MASK | \
@@ -794,16 +794,16 @@ struct ieee80211_device;
 
 #include "ieee80211_crypt.h"
 
-#define SEC_KEY_1         (1<<0)
-#define SEC_KEY_2         (1<<1)
-#define SEC_KEY_3         (1<<2)
-#define SEC_KEY_4         (1<<3)
-#define SEC_ACTIVE_KEY    (1<<4)
-#define SEC_AUTH_MODE     (1<<5)
-#define SEC_UNICAST_GROUP (1<<6)
-#define SEC_LEVEL         (1<<7)
-#define SEC_ENABLED       (1<<8)
-#define SEC_ENCRYPT       (1<<9)
+#define SEC_KEY_1         BIT(0)
+#define SEC_KEY_2         BIT(1)
+#define SEC_KEY_3         BIT(2)
+#define SEC_KEY_4         BIT(3)
+#define SEC_ACTIVE_KEY    BIT(4)
+#define SEC_AUTH_MODE     BIT(5)
+#define SEC_UNICAST_GROUP BIT(6)
+#define SEC_LEVEL         BIT(7)
+#define SEC_ENABLED       BIT(8)
+#define SEC_ENCRYPT       BIT(9)
 
 #define SEC_LEVEL_0      0 /* None */
 #define SEC_LEVEL_1      1 /* WEP 40 and 104 bit */
@@ -1069,23 +1069,23 @@ typedef union _frameqos {
 
 #define MAX_WPA_IE_LEN 64
 
-#define NETWORK_EMPTY_ESSID (1<<0)
-#define NETWORK_HAS_OFDM    (1<<1)
-#define NETWORK_HAS_CCK     (1<<2)
+#define NETWORK_EMPTY_ESSID BIT(0)
+#define NETWORK_HAS_OFDM    BIT(1)
+#define NETWORK_HAS_CCK     BIT(2)
 
 /* QoS structure */
-#define NETWORK_HAS_QOS_PARAMETERS      (1<<3)
-#define NETWORK_HAS_QOS_INFORMATION     (1<<4)
+#define NETWORK_HAS_QOS_PARAMETERS      BIT(3)
+#define NETWORK_HAS_QOS_INFORMATION     BIT(4)
 #define NETWORK_HAS_QOS_MASK            (NETWORK_HAS_QOS_PARAMETERS | \
 					 NETWORK_HAS_QOS_INFORMATION)
 /* 802.11h */
-#define NETWORK_HAS_POWER_CONSTRAINT    (1<<5)
-#define NETWORK_HAS_CSA                 (1<<6)
-#define NETWORK_HAS_QUIET               (1<<7)
-#define NETWORK_HAS_IBSS_DFS            (1<<8)
-#define NETWORK_HAS_TPC_REPORT          (1<<9)
+#define NETWORK_HAS_POWER_CONSTRAINT    BIT(5)
+#define NETWORK_HAS_CSA                 BIT(6)
+#define NETWORK_HAS_QUIET               BIT(7)
+#define NETWORK_HAS_IBSS_DFS            BIT(8)
+#define NETWORK_HAS_TPC_REPORT          BIT(9)
 
-#define NETWORK_HAS_ERP_VALUE           (1<<10)
+#define NETWORK_HAS_ERP_VALUE           BIT(10)
 
 #define QOS_QUEUE_NUM                   4
 #define QOS_OUI_LEN                     3
@@ -1434,9 +1434,9 @@ enum ieee80211_state {
 #define DEFAULT_MAX_SCAN_AGE (15 * HZ)
 #define DEFAULT_FTS 2346
 
-#define CFG_IEEE80211_RESERVE_FCS (1<<0)
-#define CFG_IEEE80211_COMPUTE_FCS (1<<1)
-#define CFG_IEEE80211_RTS (1<<2)
+#define CFG_IEEE80211_RESERVE_FCS BIT(0)
+#define CFG_IEEE80211_COMPUTE_FCS BIT(1)
+#define CFG_IEEE80211_RTS BIT(2)
 
 #define IEEE80211_24GHZ_MIN_CHANNEL 1
 #define IEEE80211_24GHZ_MAX_CHANNEL 14
@@ -2007,11 +2007,11 @@ struct ieee80211_device {
 	u8 priv[0];
 };
 
-#define IEEE_A            (1<<0)
-#define IEEE_B            (1<<1)
-#define IEEE_G            (1<<2)
-#define IEEE_N_24G		  (1<<4)
-#define	IEEE_N_5G		  (1<<5)
+#define IEEE_A            BIT(0)
+#define IEEE_B            BIT(1)
+#define IEEE_G            BIT(2)
+#define IEEE_N_24G		  BIT(4)
+#define	IEEE_N_5G		  BIT(5)
 #define IEEE_MODE_MASK    (IEEE_A|IEEE_B|IEEE_G)
 
 /* Generate a 802.11 header */
@@ -2019,31 +2019,31 @@ struct ieee80211_device {
 /* Uses the channel change callback directly
  * instead of [start/stop] scan callbacks
  */
-#define IEEE_SOFTMAC_SCAN (1<<2)
+#define IEEE_SOFTMAC_SCAN BIT(2)
 
 /* Perform authentication and association handshake */
-#define IEEE_SOFTMAC_ASSOCIATE (1<<3)
+#define IEEE_SOFTMAC_ASSOCIATE BIT(3)
 
 /* Generate probe requests */
-#define IEEE_SOFTMAC_PROBERQ (1<<4)
+#define IEEE_SOFTMAC_PROBERQ BIT(4)
 
 /* Generate respones to probe requests */
-#define IEEE_SOFTMAC_PROBERS (1<<5)
+#define IEEE_SOFTMAC_PROBERS BIT(5)
 
 /* The ieee802.11 stack will manages the netif queue
  * wake/stop for the driver, taking care of 802.11
  * fragmentation. See softmac.c for details. */
-#define IEEE_SOFTMAC_TX_QUEUE (1<<7)
+#define IEEE_SOFTMAC_TX_QUEUE BIT(7)
 
 /* Uses only the softmac_data_hard_start_xmit
  * even for TX management frames.
  */
-#define IEEE_SOFTMAC_SINGLE_QUEUE (1<<8)
+#define IEEE_SOFTMAC_SINGLE_QUEUE BIT(8)
 
 /* Generate beacons.  The stack will enqueue beacons
  * to the card
  */
-#define IEEE_SOFTMAC_BEACONS (1<<6)
+#define IEEE_SOFTMAC_BEACONS BIT(6)
 
 static inline void *ieee80211_priv(struct net_device *dev)
 {
-- 
2.7.4

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