[PATCH staging 3/3] wilc1000 : Use BIT() macro where possible

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Replace (1 << x) by BIT(x) as recommended by
checkpatch.pl

Signed-off-by: Anish Bhatt <anish@xxxxxxxxxx>
---
 drivers/staging/wilc1000/host_interface.c     |  4 +-
 drivers/staging/wilc1000/host_interface.h     | 38 +++++++--------
 drivers/staging/wilc1000/linux_wlan_common.h  |  8 ++--
 drivers/staging/wilc1000/wilc_sdio.c          | 44 +++++++++---------
 drivers/staging/wilc1000/wilc_spi.c           | 24 +++++-----
 drivers/staging/wilc1000/wilc_wfi_netdevice.h |  4 +-
 drivers/staging/wilc1000/wilc_wlan.c          | 67 ++++++++++++++-------------
 drivers/staging/wilc1000/wilc_wlan.h          | 20 ++++----
 8 files changed, 105 insertions(+), 104 deletions(-)

diff --git a/drivers/staging/wilc1000/host_interface.c b/drivers/staging/wilc1000/host_interface.c
index 62f4a8a..ab3fe75 100644
--- a/drivers/staging/wilc1000/host_interface.c
+++ b/drivers/staging/wilc1000/host_interface.c
@@ -7366,7 +7366,7 @@ static void *host_int_ParseJoinBssParam(tstrNetworkInfo *ptstrNetworkInfo)
 				pNewJoinBssParam->wmm_cap = true;
 
 				/* Check if Bit 7 is set indicating U-APSD capability */
-				if (pu8IEs[index + 8] & (1 << 7))
+				if (pu8IEs[index + 8] & BIT(7))
 					pNewJoinBssParam->uapsd_cap = true;
 				index += pu8IEs[index + 1] + 2;
 				continue;
@@ -7382,7 +7382,7 @@ static void *host_int_ParseJoinBssParam(tstrNetworkInfo *ptstrNetworkInfo)
 				pNewJoinBssParam->u8Index = pu8IEs[index + 9];
 
 				/* Check if Bit 7 is set indicating Opss capability */
-				if (pu8IEs[index + 10] & (1 << 7)) {
+				if (pu8IEs[index + 10] & BIT(7)) {
 					pNewJoinBssParam->u8OppEnable = 1;
 					pNewJoinBssParam->u8CtWindow = pu8IEs[index + 10];
 				} else
diff --git a/drivers/staging/wilc1000/host_interface.h b/drivers/staging/wilc1000/host_interface.h
index c96fff9..0261b36 100644
--- a/drivers/staging/wilc1000/host_interface.h
+++ b/drivers/staging/wilc1000/host_interface.h
@@ -138,25 +138,25 @@ typedef struct {
 } tstrCfgParamVal;
 
 typedef enum {
-	RETRY_SHORT		= 1 << 0,
-	RETRY_LONG		= 1 << 1,
-	FRAG_THRESHOLD		= 1 << 2,
-	RTS_THRESHOLD		= 1 << 3,
-	BSS_TYPE		= 1 << 4,
-	AUTH_TYPE		= 1 << 5,
-	AUTHEN_TIMEOUT		= 1 << 6,
-	POWER_MANAGEMENT	= 1 << 7,
-	PREAMBLE		= 1 << 8,
-	SHORT_SLOT_ALLOWED	= 1 << 9,
-	TXOP_PROT_DISABLE	= 1 << 10,
-	BEACON_INTERVAL		= 1 << 11,
-	DTIM_PERIOD		= 1 << 12,
-	SITE_SURVEY		= 1 << 13,
-	SITE_SURVEY_SCAN_TIME	= 1 << 14,
-	ACTIVE_SCANTIME		= 1 << 15,
-	PASSIVE_SCANTIME	= 1 << 16,
-	CURRENT_TX_RATE		= 1 << 17,
-	HT_ENABLE		= 1 << 18,
+	RETRY_SHORT		= BIT(0),
+	RETRY_LONG		= BIT(1),
+	FRAG_THRESHOLD		= BIT(2),
+	RTS_THRESHOLD		= BIT(3),
+	BSS_TYPE		= BIT(4),
+	AUTH_TYPE		= BIT(5),
+	AUTHEN_TIMEOUT		= BIT(6),
+	POWER_MANAGEMENT	= BIT(7),
+	PREAMBLE		= BIT(8),
+	SHORT_SLOT_ALLOWED	= BIT(9),
+	TXOP_PROT_DISABLE	= BIT(10),
+	BEACON_INTERVAL		= BIT(11),
+	DTIM_PERIOD		= BIT(12),
+	SITE_SURVEY		= BIT(13),
+	SITE_SURVEY_SCAN_TIME	= BIT(14),
+	ACTIVE_SCANTIME		= BIT(15),
+	PASSIVE_SCANTIME	= BIT(16),
+	CURRENT_TX_RATE		= BIT(17),
+	HT_ENABLE		= BIT(18),
 } tenuCfgParam;
 
 typedef struct {
diff --git a/drivers/staging/wilc1000/linux_wlan_common.h b/drivers/staging/wilc1000/linux_wlan_common.h
index 8ef80c6..2b76e41 100644
--- a/drivers/staging/wilc1000/linux_wlan_common.h
+++ b/drivers/staging/wilc1000/linux_wlan_common.h
@@ -44,10 +44,10 @@ void wilc_debugfs_remove(void);
 extern atomic_t REGION;
 extern atomic_t DEBUG_LEVEL;
 
-#define DEBUG           (1 << 0)
-#define INFO            (1 << 1)
-#define WRN             (1 << 2)
-#define ERR             (1 << 3)
+#define DEBUG           BIT(0)
+#define INFO            BIT(1)
+#define WRN             BIT(2)
+#define ERR             BIT(3)
 
 #define PRINT_D(region, ...)						\
 	do {								\
diff --git a/drivers/staging/wilc1000/wilc_sdio.c b/drivers/staging/wilc1000/wilc_sdio.c
index 48834c6..15a9780 100644
--- a/drivers/staging/wilc1000/wilc_sdio.c
+++ b/drivers/staging/wilc1000/wilc_sdio.c
@@ -530,7 +530,7 @@ static int sdio_sync(void)
 		return 0;
 	}
 
-	reg &= ~(1 << 8);
+	reg &= ~BIT(8);
 	if (!sdio_write_reg(WILC_MISC, reg)) {
 		g_sdio.dPrint(N_ERR, "[wilc sdio]: Failed write misc reg...\n");
 		return 0;
@@ -549,7 +549,7 @@ static int sdio_sync(void)
 			g_sdio.dPrint(N_ERR, "[wilc spi]: Failed read reg (%08x)...\n", WILC_PIN_MUX_0);
 			return 0;
 		}
-		reg |= (1 << 8);
+		reg |= BIT(8);
 		ret = sdio_write_reg(WILC_PIN_MUX_0, reg);
 		if (!ret) {
 			g_sdio.dPrint(N_ERR, "[wilc spi]: Failed write reg (%08x)...\n", WILC_PIN_MUX_0);
@@ -564,7 +564,7 @@ static int sdio_sync(void)
 			g_sdio.dPrint(N_ERR, "[wilc spi]: Failed read reg (%08x)...\n", WILC_INTR_ENABLE);
 			return 0;
 		}
-		reg |= (1 << 16);
+		reg |= BIT(16);
 		ret = sdio_write_reg(WILC_INTR_ENABLE, reg);
 		if (!ret) {
 			g_sdio.dPrint(N_ERR, "[wilc spi]: Failed write reg (%08x)...\n", WILC_INTR_ENABLE);
@@ -758,17 +758,17 @@ static int sdio_read_int(u32 *int_status)
 	cmd.data = 0;
 	g_sdio.sdio_cmd52(&cmd);
 
-	if (cmd.data & (1 << 0))
+	if (cmd.data & BIT(0))
 		tmp |= INT_0;
-	if (cmd.data & (1 << 2))
+	if (cmd.data & BIT(2))
 		tmp |= INT_1;
-	if (cmd.data & (1 << 3))
+	if (cmd.data & BIT(3))
 		tmp |= INT_2;
-	if (cmd.data & (1 << 4))
+	if (cmd.data & BIT(4))
 		tmp |= INT_3;
-	if (cmd.data & (1 << 5))
+	if (cmd.data & BIT(5))
 		tmp |= INT_4;
-	if (cmd.data & (1 << 6))
+	if (cmd.data & BIT(6))
 		tmp |= INT_5;
 	{
 		int i;
@@ -812,7 +812,7 @@ static int sdio_clear_int_ext(u32 val)
 		{
 			u32 flags;
 
-			flags = val & ((1 << MAX_NUN_INT_THRPT_ENH2) - 1);
+			flags = val & (BIT(MAX_NUN_INT_THRPT_ENH2) - 1);
 			reg = flags;
 		}
 #else
@@ -820,13 +820,13 @@ static int sdio_clear_int_ext(u32 val)
 #endif
 		/* select VMM table 0 */
 		if ((val & SEL_VMM_TBL0) == SEL_VMM_TBL0)
-			reg |= (1 << 5);
+			reg |= BIT(5);
 		/* select VMM table 1 */
 		if ((val & SEL_VMM_TBL1) == SEL_VMM_TBL1)
-			reg |= (1 << 6);
+			reg |= BIT(6);
 		/* enable VMM */
 		if ((val & EN_VMM) == EN_VMM)
-			reg |= (1 << 7);
+			reg |= BIT(7);
 		if (reg) {
 			sdio_cmd52_t cmd;
 
@@ -850,7 +850,7 @@ static int sdio_clear_int_ext(u32 val)
 			/* Cannot clear multiple interrupts. Must clear each interrupt individually */
 			u32 flags;
 
-			flags = val & ((1 << MAX_NUM_INT) - 1);
+			flags = val & (BIT(MAX_NUM_INT) - 1);
 			if (flags) {
 				int i;
 
@@ -863,7 +863,7 @@ static int sdio_clear_int_ext(u32 val)
 						cmd.function = 0;
 						cmd.raw = 0;
 						cmd.address = 0xf8;
-						cmd.data = (1 << i);
+						cmd.data = BIT(i);
 
 						ret = g_sdio.sdio_cmd52(&cmd);
 						if (!ret) {
@@ -893,13 +893,13 @@ static int sdio_clear_int_ext(u32 val)
 			vmm_ctl = 0;
 			/* select VMM table 0 */
 			if ((val & SEL_VMM_TBL0) == SEL_VMM_TBL0)
-				vmm_ctl |= (1 << 0);
+				vmm_ctl |= BIT(0);
 			/* select VMM table 1 */
 			if ((val & SEL_VMM_TBL1) == SEL_VMM_TBL1)
-				vmm_ctl |= (1 << 1);
+				vmm_ctl |= BIT(1);
 			/* enable VMM */
 			if ((val & EN_VMM) == EN_VMM)
-				vmm_ctl |= (1 << 2);
+				vmm_ctl |= BIT(2);
 
 			if (vmm_ctl) {
 				sdio_cmd52_t cmd;
@@ -946,7 +946,7 @@ static int sdio_sync_ext(int nint /*  how mant interrupts to enable. */)
 		return 0;
 	}
 
-	reg &= ~(1 << 8);
+	reg &= ~BIT(8);
 	if (!sdio_write_reg(WILC_MISC, reg)) {
 		g_sdio.dPrint(N_ERR, "[wilc sdio]: Failed write misc reg...\n");
 		return 0;
@@ -965,7 +965,7 @@ static int sdio_sync_ext(int nint /*  how mant interrupts to enable. */)
 			g_sdio.dPrint(N_ERR, "[wilc sdio]: Failed read reg (%08x)...\n", WILC_PIN_MUX_0);
 			return 0;
 		}
-		reg |= (1 << 8);
+		reg |= BIT(8);
 		ret = sdio_write_reg(WILC_PIN_MUX_0, reg);
 		if (!ret) {
 			g_sdio.dPrint(N_ERR, "[wilc sdio]: Failed write reg (%08x)...\n", WILC_PIN_MUX_0);
@@ -982,7 +982,7 @@ static int sdio_sync_ext(int nint /*  how mant interrupts to enable. */)
 		}
 
 		for (i = 0; (i < 5) && (nint > 0); i++, nint--)
-			reg |= (1 << (27 + i));
+			reg |= BIT((27 + i));
 		ret = sdio_write_reg(WILC_INTR_ENABLE, reg);
 		if (!ret) {
 			g_sdio.dPrint(N_ERR, "[wilc sdio]: Failed write reg (%08x)...\n", WILC_INTR_ENABLE);
@@ -996,7 +996,7 @@ static int sdio_sync_ext(int nint /*  how mant interrupts to enable. */)
 			}
 
 			for (i = 0; (i < 3) && (nint > 0); i++, nint--)
-				reg |= (1 << i);
+				reg |= BIT(i);
 
 			ret = sdio_read_reg(WILC_INTR2_ENABLE, &reg);
 			if (!ret) {
diff --git a/drivers/staging/wilc1000/wilc_spi.c b/drivers/staging/wilc1000/wilc_spi.c
index 8426641..f762770 100644
--- a/drivers/staging/wilc1000/wilc_spi.c
+++ b/drivers/staging/wilc1000/wilc_spi.c
@@ -128,7 +128,7 @@ static int spi_cmd(u8 cmd, u32 adr, u32 data, u32 sz, u8 clockless)
 	case CMD_INTERNAL_READ:                 /* internal register read */
 		bc[1] = (u8)(adr >> 8);
 		if (clockless)
-			bc[1] |= (1 << 7);
+			bc[1] |= BIT(7);
 		bc[2] = (u8)adr;
 		bc[3] = 0x00;
 		len = 5;
@@ -179,7 +179,7 @@ static int spi_cmd(u8 cmd, u32 adr, u32 data, u32 sz, u8 clockless)
 	case CMD_INTERNAL_WRITE:                /* internal register write */
 		bc[1] = (u8)(adr >> 8);
 		if (clockless)
-			bc[1] |= (1 << 7);
+			bc[1] |= BIT(7);
 		bc[2] = (u8)(adr);
 		bc[3] = (u8)(data >> 24);
 		bc[4] = (u8)(data >> 16);
@@ -288,7 +288,7 @@ static int spi_cmd_complete(u8 cmd, u32 adr, u8 *b, u32 sz, u8 clockless)
 	case CMD_INTERNAL_READ:                 /* internal register read */
 		wb[1] = (u8)(adr >> 8);
 		if (clockless == 1)
-			wb[1] |= (1 << 7);
+			wb[1] |= BIT(7);
 		wb[2] = (u8)adr;
 		wb[3] = 0x00;
 		len = 5;
@@ -339,7 +339,7 @@ static int spi_cmd_complete(u8 cmd, u32 adr, u8 *b, u32 sz, u8 clockless)
 	case CMD_INTERNAL_WRITE:                /* internal register write */
 		wb[1] = (u8)(adr >> 8);
 		if (clockless == 1)
-			wb[1] |= (1 << 7);
+			wb[1] |= BIT(7);
 		wb[2] = (u8)(adr);
 		wb[3] = b[3];
 		wb[4] = b[2];
@@ -1048,7 +1048,7 @@ static int spi_sync(void)
 		PRINT_ER("[wilc spi]: Failed read reg (%08x)...\n", WILC_PIN_MUX_0);
 		return 0;
 	}
-	reg |= (1 << 8);
+	reg |= BIT(8);
 	ret = spi_write_reg(WILC_PIN_MUX_0, reg);
 	if (!ret) {
 		PRINT_ER("[wilc spi]: Failed write reg (%08x)...\n", WILC_PIN_MUX_0);
@@ -1063,7 +1063,7 @@ static int spi_sync(void)
 		PRINT_ER("[wilc spi]: Failed read reg (%08x)...\n", WILC_INTR_ENABLE);
 		return 0;
 	}
-	reg |= (1 << 16);
+	reg |= BIT(16);
 	ret = spi_write_reg(WILC_INTR_ENABLE, reg);
 	if (!ret) {
 		PRINT_ER("[wilc spi]: Failed write reg (%08x)...\n", WILC_INTR_ENABLE);
@@ -1254,7 +1254,7 @@ static int spi_clear_int_ext(u32 val)
 	} else {
 		u32 flags;
 
-		flags = val & ((1 << MAX_NUM_INT) - 1);
+		flags = val & (BIT(MAX_NUM_INT) - 1);
 		if (flags) {
 			int i;
 
@@ -1284,10 +1284,10 @@ static int spi_clear_int_ext(u32 val)
 			tbl_ctl = 0;
 			/* select VMM table 0 */
 			if ((val & SEL_VMM_TBL0) == SEL_VMM_TBL0)
-				tbl_ctl |= (1 << 0);
+				tbl_ctl |= BIT(0);
 			/* select VMM table 1 */
 			if ((val & SEL_VMM_TBL1) == SEL_VMM_TBL1)
-				tbl_ctl |= (1 << 1);
+				tbl_ctl |= BIT(1);
 
 			ret = spi_write_reg(WILC_VMM_TBL_CTL, tbl_ctl);
 			if (!ret) {
@@ -1331,7 +1331,7 @@ static int spi_sync_ext(int nint /*  how mant interrupts to enable. */)
 		PRINT_ER("[wilc spi]: Failed read reg (%08x)...\n", WILC_PIN_MUX_0);
 		return 0;
 	}
-	reg |= (1 << 8);
+	reg |= BIT(8);
 	ret = spi_write_reg(WILC_PIN_MUX_0, reg);
 	if (!ret) {
 		PRINT_ER("[wilc spi]: Failed write reg (%08x)...\n", WILC_PIN_MUX_0);
@@ -1348,7 +1348,7 @@ static int spi_sync_ext(int nint /*  how mant interrupts to enable. */)
 	}
 
 	for (i = 0; (i < 5) && (nint > 0); i++, nint--) {
-		reg |= (1 << (27 + i));
+		reg |= (BIT((27 + i)));
 	}
 	ret = spi_write_reg(WILC_INTR_ENABLE, reg);
 	if (!ret) {
@@ -1363,7 +1363,7 @@ static int spi_sync_ext(int nint /*  how mant interrupts to enable. */)
 		}
 
 		for (i = 0; (i < 3) && (nint > 0); i++, nint--) {
-			reg |= (1 << i);
+			reg |= BIT(i);
 		}
 
 		ret = spi_read_reg(WILC_INTR2_ENABLE, &reg);
diff --git a/drivers/staging/wilc1000/wilc_wfi_netdevice.h b/drivers/staging/wilc1000/wilc_wfi_netdevice.h
index 90fe1e2..5fe6ae6 100644
--- a/drivers/staging/wilc1000/wilc_wfi_netdevice.h
+++ b/drivers/staging/wilc1000/wilc_wfi_netdevice.h
@@ -52,8 +52,8 @@
 
 /*iftype*/
 enum stats_flags {
-	WILC_WFI_RX_PKT = 1 << 0,
-	WILC_WFI_TX_PKT = 1 << 1,
+	WILC_WFI_RX_PKT = BIT(0),
+	WILC_WFI_TX_PKT = BIT(1),
 };
 
 struct WILC_WFI_stats {
diff --git a/drivers/staging/wilc1000/wilc_wlan.c b/drivers/staging/wilc1000/wilc_wlan.c
index c218ee8..41e148d 100644
--- a/drivers/staging/wilc1000/wilc_wlan.c
+++ b/drivers/staging/wilc1000/wilc_wlan.c
@@ -662,7 +662,7 @@ static inline void chip_allow_sleep(void)
 	/* Clear bit 1 */
 	g_wlan.hif_func.hif_read_reg(0xf0, &reg);
 
-	g_wlan.hif_func.hif_write_reg(0xf0, reg & ~(1 << 0));
+	g_wlan.hif_func.hif_write_reg(0xf0, reg & ~BIT(0));
 }
 
 static inline void chip_wakeup(void)
@@ -674,10 +674,10 @@ static inline void chip_wakeup(void)
 		do {
 			g_wlan.hif_func.hif_read_reg(1, &reg);
 			/* Set bit 1 */
-			g_wlan.hif_func.hif_write_reg(1, reg | (1 << 1));
+			g_wlan.hif_func.hif_write_reg(1, reg | BIT(1));
 
 			/* Clear bit 1*/
-			g_wlan.hif_func.hif_write_reg(1, reg & ~(1 << 1));
+			g_wlan.hif_func.hif_write_reg(1, reg & ~BIT(1));
 
 			do {
 				/* Wait for the chip to stabilize*/
@@ -694,7 +694,7 @@ static inline void chip_wakeup(void)
 		g_wlan.hif_func.hif_read_reg(0xf0, &reg);
 		do {
 			/* Set bit 1 */
-			g_wlan.hif_func.hif_write_reg(0xf0, reg | (1 << 0));
+			g_wlan.hif_func.hif_write_reg(0xf0, reg | BIT(0));
 
 			/* Check the clock status */
 			g_wlan.hif_func.hif_read_reg(0xf1, &clk_status_reg);
@@ -717,7 +717,8 @@ static inline void chip_wakeup(void)
 			/* in case of failure, Reset the wakeup bit to introduce a new edge on the next loop */
 			if ((clk_status_reg & 0x1) == 0) {
 				/* Reset bit 0 */
-				g_wlan.hif_func.hif_write_reg(0xf0, reg & (~(1 << 0)));
+				g_wlan.hif_func.hif_write_reg(0xf0, reg &
+							      (~BIT(0)));
 			}
 		} while ((clk_status_reg & 0x1) == 0);
 	}
@@ -725,7 +726,7 @@ static inline void chip_wakeup(void)
 
 	if (genuChipPSstate == CHIP_SLEEPING_MANUAL) {
 		g_wlan.hif_func.hif_read_reg(0x1C0C, &reg);
-		reg &= ~(1 << 0);
+		reg &= ~BIT(0);
 		g_wlan.hif_func.hif_write_reg(0x1C0C, reg);
 
 		if (wilc_get_chipid(false) >= 0x1002b0) {
@@ -733,11 +734,11 @@ static inline void chip_wakeup(void)
 			u32 val32;
 
 			g_wlan.hif_func.hif_read_reg(0x1e1c, &val32);
-			val32 |= (1 << 6);
+			val32 |= BIT(6);
 			g_wlan.hif_func.hif_write_reg(0x1e1c, val32);
 
 			g_wlan.hif_func.hif_read_reg(0x1e9c, &val32);
-			val32 |= (1 << 6);
+			val32 |= BIT(6);
 			g_wlan.hif_func.hif_write_reg(0x1e9c, val32);
 		}
 	}
@@ -752,19 +753,19 @@ static inline void chip_wakeup(void)
 		if ((g_wlan.io_func.io_type & 0x1) == HIF_SPI) {
 			g_wlan.hif_func.hif_read_reg(1, &reg);
 			/* Make sure bit 1 is 0 before we start. */
-			g_wlan.hif_func.hif_write_reg(1, reg & ~(1 << 1));
+			g_wlan.hif_func.hif_write_reg(1, reg & ~BIT(1));
 			/* Set bit 1 */
-			g_wlan.hif_func.hif_write_reg(1, reg | (1 << 1));
+			g_wlan.hif_func.hif_write_reg(1, reg | BIT(1));
 			/* Clear bit 1*/
-			g_wlan.hif_func.hif_write_reg(1, reg  & ~(1 << 1));
+			g_wlan.hif_func.hif_write_reg(1, reg  & ~BIT(1));
 		} else if ((g_wlan.io_func.io_type & 0x1) == HIF_SDIO)	 {
 			/* Make sure bit 0 is 0 before we start. */
 			g_wlan.hif_func.hif_read_reg(0xf0, &reg);
-			g_wlan.hif_func.hif_write_reg(0xf0, reg & ~(1 << 0));
+			g_wlan.hif_func.hif_write_reg(0xf0, reg & ~BIT(0));
 			/* Set bit 1 */
-			g_wlan.hif_func.hif_write_reg(0xf0, reg | (1 << 0));
+			g_wlan.hif_func.hif_write_reg(0xf0, reg | BIT(0));
 			/* Clear bit 1 */
-			g_wlan.hif_func.hif_write_reg(0xf0, reg  & ~(1 << 0));
+			g_wlan.hif_func.hif_write_reg(0xf0, reg  & ~BIT(0));
 		}
 
 		do {
@@ -782,7 +783,7 @@ static inline void chip_wakeup(void)
 
 	if (genuChipPSstate == CHIP_SLEEPING_MANUAL) {
 		g_wlan.hif_func.hif_read_reg(0x1C0C, &reg);
-		reg &= ~(1 << 0);
+		reg &= ~BIT(0);
 		g_wlan.hif_func.hif_write_reg(0x1C0C, reg);
 
 		if (wilc_get_chipid(false) >= 0x1002b0) {
@@ -790,11 +791,11 @@ static inline void chip_wakeup(void)
 			u32 val32;
 
 			g_wlan.hif_func.hif_read_reg(0x1e1c, &val32);
-			val32 |= (1 << 6);
+			val32 |= BIT(6);
 			g_wlan.hif_func.hif_write_reg(0x1e1c, val32);
 
 			g_wlan.hif_func.hif_read_reg(0x1e9c, &val32);
-			val32 |= (1 << 6);
+			val32 |= BIT(6);
 			g_wlan.hif_func.hif_write_reg(0x1e9c, val32);
 		}
 	}
@@ -885,7 +886,7 @@ static int wilc_wlan_handle_txq(u32 *pu32TxqCount)
 				PRINT_D(TX_DBG, "VMMTable entry size = %d\n", vmm_table[i]);
 
 				if (tqe->type == WILC_CFG_PKT) {
-					vmm_table[i] |= (1 << 10);
+					vmm_table[i] |= BIT(10);
 					PRINT_D(TX_DBG, "VMMTable entry changed for CFG packet = %d\n", vmm_table[i]);
 				}
 #ifdef BIG_ENDIAN
@@ -1010,7 +1011,7 @@ static int wilc_wlan_handle_txq(u32 *pu32TxqCount)
 					wilc_debug(N_ERR, "[wilc txq]: fail can't read reg WILC_HOST_TX_CTRL..\n");
 					break;
 				}
-				reg &= ~(1ul << 0);
+				reg &= ~BIT(0);
 				ret = p->hif_func.hif_write_reg(WILC_HOST_TX_CTRL, reg);
 				if (!ret) {
 					wilc_debug(N_ERR, "[wilc txq]: fail can't write reg WILC_HOST_TX_CTRL..\n");
@@ -1051,9 +1052,9 @@ static int wilc_wlan_handle_txq(u32 *pu32TxqCount)
 				vmm_sz *= 4;
 				header = (tqe->type << 31) | (tqe->buffer_size << 15) | vmm_sz;
 				if (tqe->type == WILC_MGMT_PKT)
-					header |= (1 << 30);
+					header |= BIT(30);
 				else
-					header &= ~(1 << 30);
+					header &= ~BIT(30);
 
 #ifdef BIG_ENDIAN
 				header = BYTE_SWAP(header);
@@ -1422,7 +1423,7 @@ static int wilc_wlan_firmware_download(const u8 *buffer, u32 buffer_size)
 	u8 *dma_buffer;
 	int ret = 0;
 
-	blksz = (1ul << 12);
+	blksz = BIT(12);
 	/* Allocate a DMA coherent  buffer. */
 
 	dma_buffer = kmalloc(blksz, GFP_KERNEL);
@@ -1515,7 +1516,7 @@ static int wilc_wlan_start(void)
 #else
 	if (p->io_func.io_type == HIF_SDIO) {
 		reg = 0;
-		reg |= (1 << 3); /* bug 4456 and 4557 */
+		reg |= BIT(3); /* bug 4456 and 4557 */
 	} else if (p->io_func.io_type == HIF_SPI) {
 		reg = 1;
 	}
@@ -1592,13 +1593,13 @@ static int wilc_wlan_start(void)
 
 
 	p->hif_func.hif_read_reg(WILC_GLB_RESET_0, &reg);
-	if ((reg & (1ul << 10)) == (1ul << 10)) {
-		reg &= ~(1ul << 10);
+	if ((reg & BIT(10)) == BIT(10)) {
+		reg &= ~BIT(10);
 		p->hif_func.hif_write_reg(WILC_GLB_RESET_0, reg);
 		p->hif_func.hif_read_reg(WILC_GLB_RESET_0, &reg);
 	}
 
-	reg |= (1ul << 10);
+	reg |= BIT(10);
 	ret = p->hif_func.hif_write_reg(WILC_GLB_RESET_0, reg);
 	p->hif_func.hif_read_reg(WILC_GLB_RESET_0, &reg);
 	release_bus(RELEASE_ONLY);
@@ -1633,7 +1634,7 @@ static int wilc_wlan_stop(void)
 		return ret;
 	}
 
-	reg &= ~(1 << 10);
+	reg &= ~BIT(10);
 
 
 	ret = p->hif_func.hif_write_reg(WILC_GLB_RESET_0, reg);
@@ -1654,9 +1655,9 @@ static int wilc_wlan_stop(void)
 		}
 		PRINT_D(GENERIC_DBG, "Read RESET Reg %x : Retry%d\n", reg, timeout);
 		/*Workaround to ensure that the chip is actually reset*/
-		if ((reg & (1 << 10))) {
+		if ((reg & BIT(10))) {
 			PRINT_D(GENERIC_DBG, "Bit 10 not reset : Retry %d\n", timeout);
-			reg &= ~(1 << 10);
+			reg &= ~BIT(10);
 			ret = p->hif_func.hif_write_reg(WILC_GLB_RESET_0, reg);
 			timeout--;
 		} else {
@@ -1672,11 +1673,11 @@ static int wilc_wlan_stop(void)
 		}
 
 	} while (timeout);
-	reg = ((1 << 0) | (1 << 1) | (1 << 2) | (1 << 3) | (1 << 8) |
-	       (1 << 9) | (1 << 26) | (1 << 29) | (1 << 30) | (1 << 31));
+	reg = (BIT(0) | BIT(1) | BIT(2) | BIT(3) | BIT(8) | BIT(9) | BIT(26) |
+	       BIT(29) | BIT(30) | BIT(31));
 
 	p->hif_func.hif_write_reg(WILC_GLB_RESET_0, reg);
-	reg = ~(1 << 10);
+	reg = (u32)~BIT(10);
 
 	ret = p->hif_func.hif_write_reg(WILC_GLB_RESET_0, reg);
 
@@ -1902,7 +1903,7 @@ u32 init_chip(void)
 			wilc_debug(N_ERR, "[wilc start]: fail read reg 0x1118 ...\n");
 			return ret;
 		}
-		reg |= (1 << 0);
+		reg |= BIT(0);
 		ret = g_wlan.hif_func.hif_write_reg(0x1118, reg);
 		if (!ret) {
 			wilc_debug(N_ERR, "[wilc start]: fail write reg 0x1118 ...\n");
diff --git a/drivers/staging/wilc1000/wilc_wlan.h b/drivers/staging/wilc1000/wilc_wlan.h
index 60da18c..1ed4e2c 100644
--- a/drivers/staging/wilc1000/wilc_wlan.h
+++ b/drivers/staging/wilc1000/wilc_wlan.h
@@ -152,7 +152,7 @@
 #endif
 
 
-#define ABORT_INT   (1 << 31)
+#define ABORT_INT   BIT(31)
 
 /*******************************************/
 /*        E0 and later Interrupt flags.    */
@@ -191,15 +191,15 @@
 /* 7: Select VMM table 2                   */
 /* 8: Enable VMM                           */
 /*******************************************/
-#define CLR_INT0             (1 << 0)
-#define CLR_INT1             (1 << 1)
-#define CLR_INT2             (1 << 2)
-#define CLR_INT3             (1 << 3)
-#define CLR_INT4             (1 << 4)
-#define CLR_INT5             (1 << 5)
-#define SEL_VMM_TBL0         (1 << 6)
-#define SEL_VMM_TBL1         (1 << 7)
-#define EN_VMM               (1 << 8)
+#define CLR_INT0             BIT(0)
+#define CLR_INT1             BIT(1)
+#define CLR_INT2             BIT(2)
+#define CLR_INT3             BIT(3)
+#define CLR_INT4             BIT(4)
+#define CLR_INT5             BIT(5)
+#define SEL_VMM_TBL0         BIT(6)
+#define SEL_VMM_TBL1         BIT(7)
+#define EN_VMM               BIT(8)
 
 #define DATA_INT_EXT	INT_0
 #define PLL_INT_EXT         INT_1
-- 
2.5.1

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