NFC: trf7970a: Clean up coding style issues

Clean up coding style issues according to scripts/Lindent.
Some scripts/Lindent changes were reverted when it appeared
to make the code less readable or when it made the line run
over 80 characters.

Signed-off-by: Mark Greer <mgreer@animalcreek.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

1 files changed, 147 insertions, 144 deletions

diff --git a/drivers/nfc/trf7970a.c b/drivers/nfc/trf7970a.c
index bb777f50b4fb..28b942ea15fb 100644
--- a/drivers/nfc/trf7970a.c
+++ b/drivers/nfc/trf7970a.c
@@ -122,11 +122,10 @@
                  NFC_PROTO_ISO14443_B_MASK | NFC_PROTO_FELICA_MASK | \
                  NFC_PROTO_ISO15693_MASK | NFC_PROTO_NFC_DEP_MASK)
 
-#define TRF7970A_AUTOSUSPEND_DELAY              30000 /* 30 seconds */
+#define TRF7970A_AUTOSUSPEND_DELAY              30000   /* 30 seconds */
 #define TRF7970A_13MHZ_CLOCK_FREQUENCY          13560000
 #define TRF7970A_27MHZ_CLOCK_FREQUENCY          27120000
 
-
 #define TRF7970A_RX_SKB_ALLOC_SIZE              256
 
 #define TRF7970A_FIFO_SIZE                      127
@@ -294,7 +293,7 @@
 #define TRF7970A_REG_IO_CTRL_AUTO_REG           BIT(7)
 
 /* IRQ Status Register Bits */
-#define TRF7970A_IRQ_STATUS_NORESP              BIT(0) /* ISO15693 only */
+#define TRF7970A_IRQ_STATUS_NORESP              BIT(0)  /* ISO15693 only */
 #define TRF7970A_IRQ_STATUS_NFC_COL_ERROR       BIT(0)
 #define TRF7970A_IRQ_STATUS_COL                 BIT(1)
 #define TRF7970A_IRQ_STATUS_FRAMING_EOF_ERROR   BIT(2)
@@ -459,7 +458,6 @@ struct trf7970a {
         struct delayed_work             timeout_work;
 };
 
-
 static int trf7970a_cmd(struct trf7970a *trf, u8 opcode)
 {
         u8 cmd = TRF7970A_CMD_BIT_CTRL | TRF7970A_CMD_BIT_OPCODE(opcode);
@@ -470,7 +468,7 @@ static int trf7970a_cmd(struct trf7970a *trf, u8 opcode)
         ret = spi_write(trf->spi, &cmd, 1);
         if (ret)
                 dev_err(trf->dev, "%s - cmd: 0x%x, ret: %d\n", __func__, cmd,
-                                ret);
+                        ret);
         return ret;
 }
 
@@ -482,14 +480,15 @@ static int trf7970a_read(struct trf7970a *trf, u8 reg, u8 *val)
         ret = spi_write_then_read(trf->spi, &addr, 1, val, 1);
         if (ret)
                 dev_err(trf->dev, "%s - addr: 0x%x, ret: %d\n", __func__, addr,
-                                ret);
+                        ret);
 
         dev_dbg(trf->dev, "read(0x%x): 0x%x\n", addr, *val);
 
         return ret;
 }
 
-static int trf7970a_read_cont(struct trf7970a *trf, u8 reg, u8 *buf, size_t len)
+static int trf7970a_read_cont(struct trf7970a *trf, u8 reg, u8 *buf,
+                              size_t len)
 {
         u8 addr = reg | TRF7970A_CMD_BIT_RW | TRF7970A_CMD_BIT_CONTINUOUS;
         struct spi_transfer t[2];
@@ -513,7 +512,7 @@ static int trf7970a_read_cont(struct trf7970a *trf, u8 reg, u8 *buf, size_t len)
         ret = spi_sync(trf->spi, &m);
         if (ret)
                 dev_err(trf->dev, "%s - addr: 0x%x, ret: %d\n", __func__, addr,
-                                ret);
+                        ret);
         return ret;
 }
 
@@ -527,7 +526,7 @@ static int trf7970a_write(struct trf7970a *trf, u8 reg, u8 val)
         ret = spi_write(trf->spi, buf, 2);
         if (ret)
                 dev_err(trf->dev, "%s - write: 0x%x 0x%x, ret: %d\n", __func__,
-                                buf[0], buf[1], ret);
+                        buf[0], buf[1], ret);
 
         return ret;
 }
@@ -549,7 +548,7 @@ static int trf7970a_read_irqstatus(struct trf7970a *trf, u8 *status)
 
         if (ret)
                 dev_err(trf->dev, "%s - irqstatus: Status read failed: %d\n",
-                                __func__, ret);
+                        __func__, ret);
         else
                 *status = buf[0];
 
@@ -563,12 +562,12 @@ static int trf7970a_read_target_proto(struct trf7970a *trf, u8 *target_proto)
         u8 addr;
 
         addr = TRF79070A_NFC_TARGET_PROTOCOL | TRF7970A_CMD_BIT_RW |
-                TRF7970A_CMD_BIT_CONTINUOUS;
+               TRF7970A_CMD_BIT_CONTINUOUS;
 
         ret = spi_write_then_read(trf->spi, &addr, 1, buf, 2);
         if (ret)
                 dev_err(trf->dev, "%s - target_proto: Read failed: %d\n",
-                                __func__, ret);
+                        __func__, ret);
         else
                 *target_proto = buf[0];
 
@@ -599,7 +598,7 @@ static int trf7970a_mode_detect(struct trf7970a *trf, u8 *rf_tech)
                 break;
         default:
                 dev_dbg(trf->dev, "%s - mode_detect: target_proto: 0x%x\n",
-                                __func__, target_proto);
+                        __func__, target_proto);
                 return -EIO;
         }
 
@@ -615,8 +614,8 @@ static void trf7970a_send_upstream(struct trf7970a *trf)
 
         if (trf->rx_skb && !IS_ERR(trf->rx_skb) && !trf->aborting)
                 print_hex_dump_debug("trf7970a rx data: ", DUMP_PREFIX_NONE,
-                                16, 1, trf->rx_skb->data, trf->rx_skb->len,
-                                false);
+                                     16, 1, trf->rx_skb->data, trf->rx_skb->len,
+                                     false);
 
         trf->state = TRF7970A_ST_IDLE;
 
@@ -656,7 +655,8 @@ static void trf7970a_send_err_upstream(struct trf7970a *trf, int errno)
 }
 
 static int trf7970a_transmit(struct trf7970a *trf, struct sk_buff *skb,
-                unsigned int len, u8 *prefix, unsigned int prefix_len)
+                             unsigned int len, u8 *prefix,
+                             unsigned int prefix_len)
 {
         struct spi_transfer t[2];
         struct spi_message m;
@@ -664,7 +664,7 @@ static int trf7970a_transmit(struct trf7970a *trf, struct sk_buff *skb,
         int ret;
 
         print_hex_dump_debug("trf7970a tx data: ", DUMP_PREFIX_NONE,
-                        16, 1, skb->data, len, false);
+                             16, 1, skb->data, len, false);
 
         spi_message_init(&m);
 
@@ -681,7 +681,7 @@ static int trf7970a_transmit(struct trf7970a *trf, struct sk_buff *skb,
         ret = spi_sync(trf->spi, &m);
         if (ret) {
                 dev_err(trf->dev, "%s - Can't send tx data: %d\n", __func__,
-                                ret);
+                        ret);
                 return ret;
         }
 
@@ -705,7 +705,7 @@ static int trf7970a_transmit(struct trf7970a *trf, struct sk_buff *skb,
         }
 
         dev_dbg(trf->dev, "Setting timeout for %d ms, state: %d\n", timeout,
-                        trf->state);
+                trf->state);
 
         schedule_delayed_work(&trf->timeout_work, msecs_to_jiffies(timeout));
 
@@ -773,9 +773,9 @@ static void trf7970a_drain_fifo(struct trf7970a *trf, u8 status)
 
         if (fifo_bytes > skb_tailroom(skb)) {
                 skb = skb_copy_expand(skb, skb_headroom(skb),
-                                max_t(int, fifo_bytes,
-                                        TRF7970A_RX_SKB_ALLOC_SIZE),
-                                GFP_KERNEL);
+                                      max_t(int, fifo_bytes,
+                                            TRF7970A_RX_SKB_ALLOC_SIZE),
+                                      GFP_KERNEL);
                 if (!skb) {
                         trf7970a_send_err_upstream(trf, -ENOMEM);
                         return;
@@ -786,7 +786,7 @@ static void trf7970a_drain_fifo(struct trf7970a *trf, u8 status)
         }
 
         ret = trf7970a_read_cont(trf, TRF7970A_FIFO_IO_REGISTER,
-                        skb_put(skb, fifo_bytes), fifo_bytes);
+                                 skb_put(skb, fifo_bytes), fifo_bytes);
         if (ret) {
                 trf7970a_send_err_upstream(trf, ret);
                 return;
@@ -794,8 +794,7 @@ static void trf7970a_drain_fifo(struct trf7970a *trf, u8 status)
 
         /* If received Type 2 ACK/NACK, shift right 4 bits and pass up */
         if ((trf->framing == NFC_DIGITAL_FRAMING_NFCA_T2T) && (skb->len == 1) &&
-                        (trf->special_fcn_reg1 ==
-                                 TRF7970A_SPECIAL_FCN_REG1_4_BIT_RX)) {
+            (trf->special_fcn_reg1 == TRF7970A_SPECIAL_FCN_REG1_4_BIT_RX)) {
                 skb->data[0] >>= 4;
                 status = TRF7970A_IRQ_STATUS_SRX;
         } else {
@@ -818,16 +817,16 @@ static void trf7970a_drain_fifo(struct trf7970a *trf, u8 status)
         }
 
 no_rx_data:
-        if (status == TRF7970A_IRQ_STATUS_SRX) { /* Receive complete */
+        if (status == TRF7970A_IRQ_STATUS_SRX) {        /* Receive complete */
                 trf7970a_send_upstream(trf);
                 return;
         }
 
         dev_dbg(trf->dev, "Setting timeout for %d ms\n",
-                        TRF7970A_WAIT_FOR_RX_DATA_TIMEOUT);
+                TRF7970A_WAIT_FOR_RX_DATA_TIMEOUT);
 
         schedule_delayed_work(&trf->timeout_work,
-                        msecs_to_jiffies(TRF7970A_WAIT_FOR_RX_DATA_TIMEOUT));
+                           msecs_to_jiffies(TRF7970A_WAIT_FOR_RX_DATA_TIMEOUT));
 }
 
 static irqreturn_t trf7970a_irq(int irq, void *dev_id)
@@ -850,7 +849,7 @@ static irqreturn_t trf7970a_irq(int irq, void *dev_id)
         }
 
         dev_dbg(trf->dev, "IRQ - state: %d, status: 0x%x\n", trf->state,
-                        status);
+                status);
 
         if (!status) {
                 mutex_unlock(&trf->lock);
@@ -875,7 +874,7 @@ static irqreturn_t trf7970a_irq(int irq, void *dev_id)
         case TRF7970A_ST_WAIT_FOR_TX_FIFO:
                 if (status & TRF7970A_IRQ_STATUS_TX) {
                         trf->ignore_timeout =
-                                !cancel_delayed_work(&trf->timeout_work);
+                            !cancel_delayed_work(&trf->timeout_work);
                         trf7970a_fill_fifo(trf);
                 } else {
                         trf7970a_send_err_upstream(trf, -EIO);
@@ -885,11 +884,11 @@ static irqreturn_t trf7970a_irq(int irq, void *dev_id)
         case TRF7970A_ST_WAIT_FOR_RX_DATA_CONT:
                 if (status & TRF7970A_IRQ_STATUS_SRX) {
                         trf->ignore_timeout =
-                                !cancel_delayed_work(&trf->timeout_work);
+                            !cancel_delayed_work(&trf->timeout_work);
                         trf7970a_drain_fifo(trf, status);
                 } else if (status & TRF7970A_IRQ_STATUS_FIFO) {
                         ret = trf7970a_read(trf, TRF7970A_FIFO_STATUS,
-                                        &fifo_bytes);
+                                            &fifo_bytes);
 
                         fifo_bytes &= ~TRF7970A_FIFO_STATUS_OVERFLOW;
 
@@ -898,14 +897,14 @@ static irqreturn_t trf7970a_irq(int irq, void *dev_id)
                         else if (!fifo_bytes)
                                 trf7970a_cmd(trf, TRF7970A_CMD_FIFO_RESET);
                 } else if ((status == TRF7970A_IRQ_STATUS_TX) ||
-                                (!trf->is_initiator &&
-                                 (status == (TRF7970A_IRQ_STATUS_TX |
-                                             TRF7970A_IRQ_STATUS_NFC_RF)))) {
+                           (!trf->is_initiator &&
+                            (status == (TRF7970A_IRQ_STATUS_TX |
+                                        TRF7970A_IRQ_STATUS_NFC_RF)))) {
                         trf7970a_cmd(trf, TRF7970A_CMD_FIFO_RESET);
 
                         if (!trf->timeout) {
-                                trf->ignore_timeout = !cancel_delayed_work(
-                                                &trf->timeout_work);
+                                trf->ignore_timeout =
+                                    !cancel_delayed_work(&trf->timeout_work);
                                 trf->rx_skb = ERR_PTR(0);
                                 trf7970a_send_upstream(trf);
                                 break;
@@ -929,13 +928,13 @@ static irqreturn_t trf7970a_irq(int irq, void *dev_id)
                                 break;
                         case NFC_DIGITAL_FRAMING_NFCA_ANTICOL_COMPLETE:
                                 ret = trf7970a_write(trf,
-                                        TRF7970A_SPECIAL_FCN_REG1,
-                                        TRF7970A_SPECIAL_FCN_REG1_14_ANTICOLL);
+                                         TRF7970A_SPECIAL_FCN_REG1,
+                                         TRF7970A_SPECIAL_FCN_REG1_14_ANTICOLL);
                                 if (ret)
                                         goto err_unlock_exit;
 
                                 trf->special_fcn_reg1 =
-                                        TRF7970A_SPECIAL_FCN_REG1_14_ANTICOLL;
+                                    TRF7970A_SPECIAL_FCN_REG1_14_ANTICOLL;
                                 break;
                         default:
                                 break;
@@ -943,7 +942,7 @@ static irqreturn_t trf7970a_irq(int irq, void *dev_id)
 
                         if (iso_ctrl != trf->iso_ctrl) {
                                 ret = trf7970a_write(trf, TRF7970A_ISO_CTRL,
-                                                iso_ctrl);
+                                                     iso_ctrl);
                                 if (ret)
                                         goto err_unlock_exit;
 
@@ -960,7 +959,7 @@ static irqreturn_t trf7970a_irq(int irq, void *dev_id)
         case TRF7970A_ST_LISTENING:
                 if (status & TRF7970A_IRQ_STATUS_SRX) {
                         trf->ignore_timeout =
-                                !cancel_delayed_work(&trf->timeout_work);
+                            !cancel_delayed_work(&trf->timeout_work);
                         trf7970a_drain_fifo(trf, status);
                 } else if (!(status & TRF7970A_IRQ_STATUS_NFC_RF)) {
                         trf7970a_send_err_upstream(trf, -EIO);
@@ -969,7 +968,7 @@ static irqreturn_t trf7970a_irq(int irq, void *dev_id)
         case TRF7970A_ST_LISTENING_MD:
                 if (status & TRF7970A_IRQ_STATUS_SRX) {
                         trf->ignore_timeout =
-                                !cancel_delayed_work(&trf->timeout_work);
+                            !cancel_delayed_work(&trf->timeout_work);
 
                         ret = trf7970a_mode_detect(trf, &trf->md_rf_tech);
                         if (ret) {
@@ -984,7 +983,7 @@ static irqreturn_t trf7970a_irq(int irq, void *dev_id)
                 break;
         default:
                 dev_err(trf->dev, "%s - Driver in invalid state: %d\n",
-                                __func__, trf->state);
+                        __func__, trf->state);
         }
 
 err_unlock_exit:
@@ -1009,19 +1008,19 @@ static void trf7970a_issue_eof(struct trf7970a *trf)
         trf->state = TRF7970A_ST_WAIT_FOR_RX_DATA;
 
         dev_dbg(trf->dev, "Setting timeout for %d ms, state: %d\n",
-                        trf->timeout, trf->state);
+                trf->timeout, trf->state);
 
         schedule_delayed_work(&trf->timeout_work,
-                        msecs_to_jiffies(trf->timeout));
+                              msecs_to_jiffies(trf->timeout));
 }
 
 static void trf7970a_timeout_work_handler(struct work_struct *work)
 {
         struct trf7970a *trf = container_of(work, struct trf7970a,
-                        timeout_work.work);
+                                            timeout_work.work);
 
         dev_dbg(trf->dev, "Timeout - state: %d, ignore_timeout: %d\n",
-                        trf->state, trf->ignore_timeout);
+                trf->state, trf->ignore_timeout);
 
         mutex_lock(&trf->lock);
 
@@ -1052,7 +1051,7 @@ static int trf7970a_init(struct trf7970a *trf)
                 goto err_out;
 
         ret = trf7970a_write(trf, TRF7970A_REG_IO_CTRL,
-                        trf->io_ctrl | TRF7970A_REG_IO_CTRL_VRS(0x1));
+                             trf->io_ctrl | TRF7970A_REG_IO_CTRL_VRS(0x1));
         if (ret)
                 goto err_out;
 
@@ -1065,13 +1064,13 @@ static int trf7970a_init(struct trf7970a *trf)
         trf->chip_status_ctrl &= ~TRF7970A_CHIP_STATUS_RF_ON;
 
         ret = trf7970a_write(trf, TRF7970A_MODULATOR_SYS_CLK_CTRL,
-                        trf->modulator_sys_clk_ctrl);
+                             trf->modulator_sys_clk_ctrl);
         if (ret)
                 goto err_out;
 
         ret = trf7970a_write(trf, TRF7970A_ADJUTABLE_FIFO_IRQ_LEVELS,
-                        TRF7970A_ADJUTABLE_FIFO_IRQ_LEVELS_WLH_96 |
-                        TRF7970A_ADJUTABLE_FIFO_IRQ_LEVELS_WLL_32);
+                             TRF7970A_ADJUTABLE_FIFO_IRQ_LEVELS_WLH_96 |
+                             TRF7970A_ADJUTABLE_FIFO_IRQ_LEVELS_WLL_32);
         if (ret)
                 goto err_out;
 
@@ -1092,7 +1091,7 @@ err_out:
 static void trf7970a_switch_rf_off(struct trf7970a *trf)
 {
         if ((trf->state == TRF7970A_ST_PWR_OFF) ||
-                        (trf->state == TRF7970A_ST_RF_OFF))
+            (trf->state == TRF7970A_ST_RF_OFF))
                 return;
 
         dev_dbg(trf->dev, "Switching rf off\n");
@@ -1116,9 +1115,9 @@ static int trf7970a_switch_rf_on(struct trf7970a *trf)
 
         pm_runtime_get_sync(trf->dev);
 
-        if (trf->state != TRF7970A_ST_RF_OFF) { /* Power on, RF off */
+        if (trf->state != TRF7970A_ST_RF_OFF) { /* Power on, RF off */
                 dev_err(trf->dev, "%s - Incorrect state: %d\n", __func__,
-                                trf->state);
+                        trf->state);
                 return -EINVAL;
         }
 
@@ -1153,7 +1152,7 @@ static int trf7970a_switch_rf(struct nfc_digital_dev *ddev, bool on)
                         break;
                 default:
                         dev_err(trf->dev, "%s - Invalid request: %d %d\n",
-                                        __func__, trf->state, on);
+                                __func__, trf->state, on);
                         trf7970a_switch_rf_off(trf);
                         ret = -EINVAL;
                 }
@@ -1164,7 +1163,7 @@ static int trf7970a_switch_rf(struct nfc_digital_dev *ddev, bool on)
                         break;
                 default:
                         dev_err(trf->dev, "%s - Invalid request: %d %d\n",
-                                        __func__, trf->state, on);
+                                __func__, trf->state, on);
                         ret = -EINVAL;
                         /* FALLTHROUGH */
                 case TRF7970A_ST_IDLE:
@@ -1189,36 +1188,36 @@ static int trf7970a_in_config_rf_tech(struct trf7970a *trf, int tech)
         case NFC_DIGITAL_RF_TECH_106A:
                 trf->iso_ctrl_tech = TRF7970A_ISO_CTRL_14443A_106;
                 trf->modulator_sys_clk_ctrl =
-                        (trf->modulator_sys_clk_ctrl & 0xf8) |
-                        TRF7970A_MODULATOR_DEPTH_OOK;
+                    (trf->modulator_sys_clk_ctrl & 0xf8) |
+                    TRF7970A_MODULATOR_DEPTH_OOK;
                 trf->guard_time = TRF7970A_GUARD_TIME_NFCA;
                 break;
         case NFC_DIGITAL_RF_TECH_106B:
                 trf->iso_ctrl_tech = TRF7970A_ISO_CTRL_14443B_106;
                 trf->modulator_sys_clk_ctrl =
-                        (trf->modulator_sys_clk_ctrl & 0xf8) |
-                        TRF7970A_MODULATOR_DEPTH_ASK10;
+                    (trf->modulator_sys_clk_ctrl & 0xf8) |
+                    TRF7970A_MODULATOR_DEPTH_ASK10;
                 trf->guard_time = TRF7970A_GUARD_TIME_NFCB;
                 break;
         case NFC_DIGITAL_RF_TECH_212F:
                 trf->iso_ctrl_tech = TRF7970A_ISO_CTRL_FELICA_212;
                 trf->modulator_sys_clk_ctrl =
-                        (trf->modulator_sys_clk_ctrl & 0xf8) |
-                        TRF7970A_MODULATOR_DEPTH_ASK10;
+                    (trf->modulator_sys_clk_ctrl & 0xf8) |
+                    TRF7970A_MODULATOR_DEPTH_ASK10;
                 trf->guard_time = TRF7970A_GUARD_TIME_NFCF;
                 break;
         case NFC_DIGITAL_RF_TECH_424F:
                 trf->iso_ctrl_tech = TRF7970A_ISO_CTRL_FELICA_424;
                 trf->modulator_sys_clk_ctrl =
-                        (trf->modulator_sys_clk_ctrl & 0xf8) |
-                        TRF7970A_MODULATOR_DEPTH_ASK10;
+                    (trf->modulator_sys_clk_ctrl & 0xf8) |
+                    TRF7970A_MODULATOR_DEPTH_ASK10;
                 trf->guard_time = TRF7970A_GUARD_TIME_NFCF;
                 break;
         case NFC_DIGITAL_RF_TECH_ISO15693:
                 trf->iso_ctrl_tech = TRF7970A_ISO_CTRL_15693_SGL_1OF4_2648;
                 trf->modulator_sys_clk_ctrl =
-                        (trf->modulator_sys_clk_ctrl & 0xf8) |
-                        TRF7970A_MODULATOR_DEPTH_OOK;
+                    (trf->modulator_sys_clk_ctrl & 0xf8) |
+                    TRF7970A_MODULATOR_DEPTH_OOK;
                 trf->guard_time = TRF7970A_GUARD_TIME_15693;
                 break;
         default:
@@ -1245,7 +1244,8 @@ static int trf7970a_is_rf_field(struct trf7970a *trf, bool *is_rf_field)
         u8 rssi;
 
         ret = trf7970a_write(trf, TRF7970A_CHIP_STATUS_CTRL,
-                        trf->chip_status_ctrl | TRF7970A_CHIP_STATUS_REC_ON);
+                             trf->chip_status_ctrl |
+                             TRF7970A_CHIP_STATUS_REC_ON);
         if (ret)
                 return ret;
 
@@ -1260,7 +1260,7 @@ static int trf7970a_is_rf_field(struct trf7970a *trf, bool *is_rf_field)
                 return ret;
 
         ret = trf7970a_write(trf, TRF7970A_CHIP_STATUS_CTRL,
-                        trf->chip_status_ctrl);
+                             trf->chip_status_ctrl);
         if (ret)
                 return ret;
 
@@ -1327,15 +1327,15 @@ static int trf7970a_in_config_framing(struct trf7970a *trf, int framing)
                 trf->iso_ctrl = iso_ctrl;
 
                 ret = trf7970a_write(trf, TRF7970A_MODULATOR_SYS_CLK_CTRL,
-                                trf->modulator_sys_clk_ctrl);
+                                     trf->modulator_sys_clk_ctrl);
                 if (ret)
                         return ret;
         }
 
         if (!(trf->chip_status_ctrl & TRF7970A_CHIP_STATUS_RF_ON)) {
                 ret = trf7970a_write(trf, TRF7970A_CHIP_STATUS_CTRL,
-                                trf->chip_status_ctrl |
-                                        TRF7970A_CHIP_STATUS_RF_ON);
+                                     trf->chip_status_ctrl |
+                                     TRF7970A_CHIP_STATUS_RF_ON);
                 if (ret)
                         return ret;
 
@@ -1348,7 +1348,7 @@ static int trf7970a_in_config_framing(struct trf7970a *trf, int framing)
 }
 
 static int trf7970a_in_configure_hw(struct nfc_digital_dev *ddev, int type,
-                int param)
+                                    int param)
 {
         struct trf7970a *trf = nfc_digital_get_drvdata(ddev);
         int ret;
@@ -1360,7 +1360,7 @@ static int trf7970a_in_configure_hw(struct nfc_digital_dev *ddev, int type,
         trf->is_initiator = true;
 
         if ((trf->state == TRF7970A_ST_PWR_OFF) ||
-                        (trf->state == TRF7970A_ST_RF_OFF)) {
+            (trf->state == TRF7970A_ST_RF_OFF)) {
                 ret = trf7970a_switch_rf_on(trf);
                 if (ret)
                         goto err_unlock;
@@ -1418,7 +1418,7 @@ static int trf7970a_per_cmd_config(struct trf7970a *trf, struct sk_buff *skb)
          * has to send an EOF in order to get a response.
          */
         if ((trf->technology == NFC_DIGITAL_RF_TECH_106A) &&
-                        (trf->framing == NFC_DIGITAL_FRAMING_NFCA_T2T)) {
+            (trf->framing == NFC_DIGITAL_FRAMING_NFCA_T2T)) {
                 if (req[0] == NFC_T2T_CMD_READ)
                         special_fcn_reg1 = 0;
                 else
@@ -1426,7 +1426,7 @@ static int trf7970a_per_cmd_config(struct trf7970a *trf, struct sk_buff *skb)
 
                 if (special_fcn_reg1 != trf->special_fcn_reg1) {
                         ret = trf7970a_write(trf, TRF7970A_SPECIAL_FCN_REG1,
-                                        special_fcn_reg1);
+                                             special_fcn_reg1);
                         if (ret)
                                 return ret;
 
@@ -1446,7 +1446,7 @@ static int trf7970a_per_cmd_config(struct trf7970a *trf, struct sk_buff *skb)
                         iso_ctrl |= TRF7970A_ISO_CTRL_15693_SGL_1OF4_2648;
                         break;
                 case (ISO15693_REQ_FLAG_SUB_CARRIER |
-                                ISO15693_REQ_FLAG_DATA_RATE):
+                      ISO15693_REQ_FLAG_DATA_RATE):
                         iso_ctrl |= TRF7970A_ISO_CTRL_15693_DBL_1OF4_2669;
                         break;
                 }
@@ -1461,10 +1461,10 @@ static int trf7970a_per_cmd_config(struct trf7970a *trf, struct sk_buff *skb)
 
                 if (trf->framing == NFC_DIGITAL_FRAMING_ISO15693_T5T) {
                         if (trf7970a_is_iso15693_write_or_lock(req[1]) &&
-                                        (req[0] & ISO15693_REQ_FLAG_OPTION))
+                            (req[0] & ISO15693_REQ_FLAG_OPTION))
                                 trf->issue_eof = true;
                         else if ((trf->quirks &
-                                        TRF7970A_QUIRK_T5T_RMB_EXTRA_BYTE) &&
+                                  TRF7970A_QUIRK_T5T_RMB_EXTRA_BYTE) &&
                                  (req[1] == ISO15693_CMD_READ_MULTIPLE_BLOCK))
                                 trf->adjust_resp_len = true;
                 }
@@ -1474,8 +1474,8 @@ static int trf7970a_per_cmd_config(struct trf7970a *trf, struct sk_buff *skb)
 }
 
 static int trf7970a_send_cmd(struct nfc_digital_dev *ddev,
-                struct sk_buff *skb, u16 timeout,
-                nfc_digital_cmd_complete_t cb, void *arg)
+                             struct sk_buff *skb, u16 timeout,
+                             nfc_digital_cmd_complete_t cb, void *arg)
 {
         struct trf7970a *trf = nfc_digital_get_drvdata(ddev);
         u8 prefix[5];
@@ -1484,7 +1484,7 @@ static int trf7970a_send_cmd(struct nfc_digital_dev *ddev,
         u8 status;
 
         dev_dbg(trf->dev, "New request - state: %d, timeout: %d ms, len: %d\n",
-                        trf->state, timeout, skb->len);
+                trf->state, timeout, skb->len);
 
         if (skb->len > TRF7970A_TX_MAX)
                 return -EINVAL;
@@ -1492,9 +1492,9 @@ static int trf7970a_send_cmd(struct nfc_digital_dev *ddev,
         mutex_lock(&trf->lock);
 
         if ((trf->state != TRF7970A_ST_IDLE) &&
-                        (trf->state != TRF7970A_ST_IDLE_RX_BLOCKED)) {
+            (trf->state != TRF7970A_ST_IDLE_RX_BLOCKED)) {
                 dev_err(trf->dev, "%s - Bogus state: %d\n", __func__,
-                                trf->state);
+                        trf->state);
                 ret = -EIO;
                 goto out_err;
         }
@@ -1508,7 +1508,7 @@ static int trf7970a_send_cmd(struct nfc_digital_dev *ddev,
 
         if (timeout) {
                 trf->rx_skb = nfc_alloc_recv_skb(TRF7970A_RX_SKB_ALLOC_SIZE,
-                                GFP_KERNEL);
+                                                 GFP_KERNEL);
                 if (!trf->rx_skb) {
                         dev_dbg(trf->dev, "Can't alloc rx_skb\n");
                         ret = -ENOMEM;
@@ -1545,14 +1545,14 @@ static int trf7970a_send_cmd(struct nfc_digital_dev *ddev,
          * That totals 5 bytes.
          */
         prefix[0] = TRF7970A_CMD_BIT_CTRL |
-                        TRF7970A_CMD_BIT_OPCODE(TRF7970A_CMD_FIFO_RESET);
+            TRF7970A_CMD_BIT_OPCODE(TRF7970A_CMD_FIFO_RESET);
         prefix[1] = TRF7970A_CMD_BIT_CTRL |
-                        TRF7970A_CMD_BIT_OPCODE(trf->tx_cmd);
+            TRF7970A_CMD_BIT_OPCODE(trf->tx_cmd);
         prefix[2] = TRF7970A_CMD_BIT_CONTINUOUS | TRF7970A_TX_LENGTH_BYTE1;
 
         if (trf->framing == NFC_DIGITAL_FRAMING_NFCA_SHORT) {
                 prefix[3] = 0x00;
-                prefix[4] = 0x0f; /* 7 bits */
+                prefix[4] = 0x0f;       /* 7 bits */
         } else {
                 prefix[3] = (len & 0xf00) >> 4;
                 prefix[3] |= ((len & 0xf0) >> 4);
@@ -1586,25 +1586,24 @@ static int trf7970a_tg_config_rf_tech(struct trf7970a *trf, int tech)
         switch (tech) {
         case NFC_DIGITAL_RF_TECH_106A:
                 trf->iso_ctrl_tech = TRF7970A_ISO_CTRL_NFC_NFC_CE_MODE |
-                        TRF7970A_ISO_CTRL_NFC_CE |
-                        TRF7970A_ISO_CTRL_NFC_CE_14443A;
+                    TRF7970A_ISO_CTRL_NFC_CE | TRF7970A_ISO_CTRL_NFC_CE_14443A;
                 trf->modulator_sys_clk_ctrl =
-                        (trf->modulator_sys_clk_ctrl & 0xf8) |
-                        TRF7970A_MODULATOR_DEPTH_OOK;
+                    (trf->modulator_sys_clk_ctrl & 0xf8) |
+                    TRF7970A_MODULATOR_DEPTH_OOK;
                 break;
         case NFC_DIGITAL_RF_TECH_212F:
                 trf->iso_ctrl_tech = TRF7970A_ISO_CTRL_NFC_NFC_CE_MODE |
-                        TRF7970A_ISO_CTRL_NFC_NFCF_212;
+                    TRF7970A_ISO_CTRL_NFC_NFCF_212;
                 trf->modulator_sys_clk_ctrl =
-                        (trf->modulator_sys_clk_ctrl & 0xf8) |
-                        TRF7970A_MODULATOR_DEPTH_ASK10;
+                    (trf->modulator_sys_clk_ctrl & 0xf8) |
+                    TRF7970A_MODULATOR_DEPTH_ASK10;
                 break;
         case NFC_DIGITAL_RF_TECH_424F:
                 trf->iso_ctrl_tech = TRF7970A_ISO_CTRL_NFC_NFC_CE_MODE |
-                        TRF7970A_ISO_CTRL_NFC_NFCF_424;
+                    TRF7970A_ISO_CTRL_NFC_NFCF_424;
                 trf->modulator_sys_clk_ctrl =
-                        (trf->modulator_sys_clk_ctrl & 0xf8) |
-                        TRF7970A_MODULATOR_DEPTH_ASK10;
+                    (trf->modulator_sys_clk_ctrl & 0xf8) |
+                    TRF7970A_MODULATOR_DEPTH_ASK10;
                 break;
         default:
                 dev_dbg(trf->dev, "Unsupported rf technology: %d\n", tech);
@@ -1621,9 +1620,9 @@ static int trf7970a_tg_config_rf_tech(struct trf7970a *trf, int tech)
          * here.
          */
         if ((trf->framing == NFC_DIGITAL_FRAMING_NFC_DEP_ACTIVATED) &&
-                        (trf->iso_ctrl_tech != trf->iso_ctrl)) {
+            (trf->iso_ctrl_tech != trf->iso_ctrl)) {
                 ret = trf7970a_write(trf, TRF7970A_ISO_CTRL,
-                                trf->iso_ctrl_tech);
+                                     trf->iso_ctrl_tech);
 
                 trf->iso_ctrl = trf->iso_ctrl_tech;
         }
@@ -1678,15 +1677,15 @@ static int trf7970a_tg_config_framing(struct trf7970a *trf, int framing)
                 trf->iso_ctrl = iso_ctrl;
 
                 ret = trf7970a_write(trf, TRF7970A_MODULATOR_SYS_CLK_CTRL,
-                                trf->modulator_sys_clk_ctrl);
+                                     trf->modulator_sys_clk_ctrl);
                 if (ret)
                         return ret;
         }
 
         if (!(trf->chip_status_ctrl & TRF7970A_CHIP_STATUS_RF_ON)) {
                 ret = trf7970a_write(trf, TRF7970A_CHIP_STATUS_CTRL,
-                                trf->chip_status_ctrl |
-                                        TRF7970A_CHIP_STATUS_RF_ON);
+                                     trf->chip_status_ctrl |
+                                     TRF7970A_CHIP_STATUS_RF_ON);
                 if (ret)
                         return ret;
 
@@ -1697,7 +1696,7 @@ static int trf7970a_tg_config_framing(struct trf7970a *trf, int framing)
 }
 
 static int trf7970a_tg_configure_hw(struct nfc_digital_dev *ddev, int type,
-                int param)
+                                    int param)
 {
         struct trf7970a *trf = nfc_digital_get_drvdata(ddev);
         int ret;
@@ -1709,7 +1708,7 @@ static int trf7970a_tg_configure_hw(struct nfc_digital_dev *ddev, int type,
         trf->is_initiator = false;
 
         if ((trf->state == TRF7970A_ST_PWR_OFF) ||
-                        (trf->state == TRF7970A_ST_RF_OFF)) {
+            (trf->state == TRF7970A_ST_RF_OFF)) {
                 ret = trf7970a_switch_rf_on(trf);
                 if (ret)
                         goto err_unlock;
@@ -1733,7 +1732,8 @@ err_unlock:
 }
 
 static int _trf7970a_tg_listen(struct nfc_digital_dev *ddev, u16 timeout,
-                nfc_digital_cmd_complete_t cb, void *arg, bool mode_detect)
+                               nfc_digital_cmd_complete_t cb, void *arg,
+                               bool mode_detect)
 {
         struct trf7970a *trf = nfc_digital_get_drvdata(ddev);
         int ret;
@@ -1741,9 +1741,9 @@ static int _trf7970a_tg_listen(struct nfc_digital_dev *ddev, u16 timeout,
         mutex_lock(&trf->lock);
 
         if ((trf->state != TRF7970A_ST_IDLE) &&
-                        (trf->state != TRF7970A_ST_IDLE_RX_BLOCKED)) {
+            (trf->state != TRF7970A_ST_IDLE_RX_BLOCKED)) {
                 dev_err(trf->dev, "%s - Bogus state: %d\n", __func__,
-                                trf->state);
+                        trf->state);
                 ret = -EIO;
                 goto out_err;
         }
@@ -1756,7 +1756,7 @@ static int _trf7970a_tg_listen(struct nfc_digital_dev *ddev, u16 timeout,
         }
 
         trf->rx_skb = nfc_alloc_recv_skb(TRF7970A_RX_SKB_ALLOC_SIZE,
-                        GFP_KERNEL);
+                                         GFP_KERNEL);
         if (!trf->rx_skb) {
                 dev_dbg(trf->dev, "Can't alloc rx_skb\n");
                 ret = -ENOMEM;
@@ -1764,25 +1764,25 @@ static int _trf7970a_tg_listen(struct nfc_digital_dev *ddev, u16 timeout,
         }
 
         ret = trf7970a_write(trf, TRF7970A_RX_SPECIAL_SETTINGS,
-                        TRF7970A_RX_SPECIAL_SETTINGS_HBT |
-                        TRF7970A_RX_SPECIAL_SETTINGS_M848 |
-                        TRF7970A_RX_SPECIAL_SETTINGS_C424 |
-                        TRF7970A_RX_SPECIAL_SETTINGS_C212);
+                             TRF7970A_RX_SPECIAL_SETTINGS_HBT |
+                             TRF7970A_RX_SPECIAL_SETTINGS_M848 |
+                             TRF7970A_RX_SPECIAL_SETTINGS_C424 |
+                             TRF7970A_RX_SPECIAL_SETTINGS_C212);
         if (ret)
                 goto out_err;
 
         ret = trf7970a_write(trf, TRF7970A_REG_IO_CTRL,
-                        trf->io_ctrl | TRF7970A_REG_IO_CTRL_VRS(0x1));
+                             trf->io_ctrl | TRF7970A_REG_IO_CTRL_VRS(0x1));
         if (ret)
                 goto out_err;
 
         ret = trf7970a_write(trf, TRF7970A_NFC_LOW_FIELD_LEVEL,
-                        TRF7970A_NFC_LOW_FIELD_LEVEL_RFDET(0x3));
+                             TRF7970A_NFC_LOW_FIELD_LEVEL_RFDET(0x3));
         if (ret)
                 goto out_err;
 
         ret = trf7970a_write(trf, TRF7970A_NFC_TARGET_LEVEL,
-                        TRF7970A_NFC_TARGET_LEVEL_RFDET(0x7));
+                             TRF7970A_NFC_TARGET_LEVEL_RFDET(0x7));
         if (ret)
                 goto out_err;
 
@@ -1807,32 +1807,33 @@ out_err:
 }
 
 static int trf7970a_tg_listen(struct nfc_digital_dev *ddev, u16 timeout,
-                nfc_digital_cmd_complete_t cb, void *arg)
+                              nfc_digital_cmd_complete_t cb, void *arg)
 {
         struct trf7970a *trf = nfc_digital_get_drvdata(ddev);
 
         dev_dbg(trf->dev, "Listen - state: %d, timeout: %d ms\n",
-                        trf->state, timeout);
+                trf->state, timeout);
 
         return _trf7970a_tg_listen(ddev, timeout, cb, arg, false);
 }
 
 static int trf7970a_tg_listen_md(struct nfc_digital_dev *ddev,
-                u16 timeout, nfc_digital_cmd_complete_t cb, void *arg)
+                                 u16 timeout, nfc_digital_cmd_complete_t cb,
+                                 void *arg)
 {
         struct trf7970a *trf = nfc_digital_get_drvdata(ddev);
         int ret;
 
         dev_dbg(trf->dev, "Listen MD - state: %d, timeout: %d ms\n",
-                        trf->state, timeout);
+                trf->state, timeout);
 
         ret = trf7970a_tg_configure_hw(ddev, NFC_DIGITAL_CONFIG_RF_TECH,
-                        NFC_DIGITAL_RF_TECH_106A);
+                                       NFC_DIGITAL_RF_TECH_106A);
         if (ret)
                 return ret;
 
         ret = trf7970a_tg_configure_hw(ddev, NFC_DIGITAL_CONFIG_FRAMING,
-                        NFC_DIGITAL_FRAMING_NFCA_NFC_DEP);
+                                       NFC_DIGITAL_FRAMING_NFCA_NFC_DEP);
         if (ret)
                 return ret;
 
@@ -1844,7 +1845,7 @@ static int trf7970a_tg_get_rf_tech(struct nfc_digital_dev *ddev, u8 *rf_tech)
         struct trf7970a *trf = nfc_digital_get_drvdata(ddev);
 
         dev_dbg(trf->dev, "Get RF Tech - state: %d, rf_tech: %d\n",
-                        trf->state, trf->md_rf_tech);
+                trf->state, trf->md_rf_tech);
 
         *rf_tech = trf->md_rf_tech;
 
@@ -1933,20 +1934,19 @@ static int trf7970a_power_down(struct trf7970a *trf)
 
         if (trf->state != TRF7970A_ST_RF_OFF) {
                 dev_dbg(trf->dev, "Can't power down - not RF_OFF state (%d)\n",
-                                trf->state);
+                        trf->state);
                 return -EBUSY;
         }
 
         gpiod_set_value_cansleep(trf->en_gpiod, 0);
 
-        if (trf->en2_gpiod &&
-            !(trf->quirks & TRF7970A_QUIRK_EN2_MUST_STAY_LOW))
+        if (trf->en2_gpiod && !(trf->quirks & TRF7970A_QUIRK_EN2_MUST_STAY_LOW))
                 gpiod_set_value_cansleep(trf->en2_gpiod, 0);
 
         ret = regulator_disable(trf->regulator);
         if (ret)
                 dev_err(trf->dev, "%s - Can't disable VIN: %d\n", __func__,
-                                ret);
+                        ret);
 
         trf->state = TRF7970A_ST_PWR_OFF;
 
@@ -2060,16 +2060,16 @@ static int trf7970a_probe(struct spi_device *spi)
 
         of_property_read_u32(np, "clock-frequency", &clk_freq);
         if ((clk_freq != TRF7970A_27MHZ_CLOCK_FREQUENCY) ||
-                (clk_freq != TRF7970A_13MHZ_CLOCK_FREQUENCY)) {
+            (clk_freq != TRF7970A_13MHZ_CLOCK_FREQUENCY)) {
                 dev_err(trf->dev,
-                        "clock-frequency (%u Hz) unsupported\n",
-                        clk_freq);
+                        "clock-frequency (%u Hz) unsupported\n", clk_freq);
                 return -EINVAL;
         }
 
         ret = devm_request_threaded_irq(trf->dev, spi->irq, NULL,
-                        trf7970a_irq, IRQF_TRIGGER_RISING | IRQF_ONESHOT,
-                        "trf7970a", trf);
+                                        trf7970a_irq,
+                                        IRQF_TRIGGER_RISING | IRQF_ONESHOT,
+                                        "trf7970a", trf);
         if (ret) {
                 dev_err(trf->dev, "Can't request IRQ#%d: %d\n", spi->irq, ret);
                 return ret;
@@ -2114,9 +2114,10 @@ static int trf7970a_probe(struct spi_device *spi)
         }
 
         trf->ddev = nfc_digital_allocate_device(&trf7970a_nfc_ops,
-                        TRF7970A_SUPPORTED_PROTOCOLS,
-                        NFC_DIGITAL_DRV_CAPS_IN_CRC |
-                                NFC_DIGITAL_DRV_CAPS_TG_CRC, 0, 0);
+                                                TRF7970A_SUPPORTED_PROTOCOLS,
+                                                NFC_DIGITAL_DRV_CAPS_IN_CRC |
+                                                NFC_DIGITAL_DRV_CAPS_TG_CRC, 0,
+                                                0);
         if (!trf->ddev) {
                 dev_err(trf->dev, "Can't allocate NFC digital device\n");
                 ret = -ENOMEM;
@@ -2139,7 +2140,7 @@ static int trf7970a_probe(struct spi_device *spi)
         ret = nfc_digital_register_device(trf->ddev);
         if (ret) {
                 dev_err(trf->dev, "Can't register NFC digital device: %d\n",
-                                ret);
+                        ret);
                 goto err_shutdown;
         }
 
@@ -2248,29 +2249,31 @@ static int trf7970a_pm_runtime_resume(struct device *dev)
 static const struct dev_pm_ops trf7970a_pm_ops = {
         SET_SYSTEM_SLEEP_PM_OPS(trf7970a_suspend, trf7970a_resume)
         SET_RUNTIME_PM_OPS(trf7970a_pm_runtime_suspend,
-                        trf7970a_pm_runtime_resume, NULL)
+                           trf7970a_pm_runtime_resume, NULL)
 };
 
 static const struct of_device_id trf7970a_of_match[] = {
-        { .compatible = "ti,trf7970a", },
+        {.compatible = "ti,trf7970a",},
         {},
 };
+
 MODULE_DEVICE_TABLE(of, trf7970a_of_match);
 
 static const struct spi_device_id trf7970a_id_table[] = {
-        { "trf7970a", 0 },
-        { }
+        {"trf7970a", 0},
+        {}
 };
+
 MODULE_DEVICE_TABLE(spi, trf7970a_id_table);
 
 static struct spi_driver trf7970a_spi_driver = {
         .probe          = trf7970a_probe,
         .remove         = trf7970a_remove,
         .id_table       = trf7970a_id_table,
-        .driver         = {
-                .name   = "trf7970a",
-                .of_match_table = of_match_ptr(trf7970a_of_match),
-                .pm     = &trf7970a_pm_ops,
+        .driver = {
+                .name           = "trf7970a",
+                .of_match_table = of_match_ptr(trf7970a_of_match),
+                .pm             = &trf7970a_pm_ops,
         },
 };