Merge branch 'sja1105-cleanups'

Vladimir Oltean says:

====================
SJA1105 DSA coding style cleanup

This series provides some mechanical cleanup patches related to function
names and prototypes.
====================
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/dsa/sja1105/sja1105.h

@@ -127,15 +127,13 @@ typedef enum {
 int sja1105_static_config_reload(struct sja1105_private *priv);
 
 /* From sja1105_spi.c */
-int sja1105_spi_send_packed_buf(const struct sja1105_private *priv,
-				sja1105_spi_rw_mode_t rw, u64 reg_addr,
-				void *packed_buf, size_t size_bytes);
-int sja1105_spi_send_int(const struct sja1105_private *priv,
-			 sja1105_spi_rw_mode_t rw, u64 reg_addr,
-			 u64 *value, u64 size_bytes);
-int sja1105_spi_send_long_packed_buf(const struct sja1105_private *priv,
-				     sja1105_spi_rw_mode_t rw, u64 base_addr,
-				     void *packed_buf, u64 buf_len);
+int sja1105_xfer_buf(const struct sja1105_private *priv,
+		     sja1105_spi_rw_mode_t rw, u64 reg_addr,
+		     void *packed_buf, size_t size_bytes);
+int sja1105_xfer_u32(const struct sja1105_private *priv,
+		     sja1105_spi_rw_mode_t rw, u64 reg_addr, u32 *value);
+int sja1105_xfer_u64(const struct sja1105_private *priv,
+		     sja1105_spi_rw_mode_t rw, u64 reg_addr, u64 *value);
 int sja1105_static_config_upload(struct sja1105_private *priv);
 int sja1105_inhibit_tx(const struct sja1105_private *priv,
 		       unsigned long port_bitmap, bool tx_inhibited);

drivers/net/dsa/sja1105/sja1105_clocking.c

@@ -118,9 +118,8 @@ static int sja1105_cgu_idiv_config(struct sja1105_private *priv, int port,
 	idiv.pd        = enabled ? 0 : 1; /* Power down? */
 	sja1105_cgu_idiv_packing(packed_buf, &idiv, PACK);
 
-	return sja1105_spi_send_packed_buf(priv, SPI_WRITE,
-					   regs->cgu_idiv[port], packed_buf,
-					   SJA1105_SIZE_CGU_CMD);
+	return sja1105_xfer_buf(priv, SPI_WRITE, regs->cgu_idiv[port],
+				packed_buf, SJA1105_SIZE_CGU_CMD);
 }
 
 static void
@@ -167,9 +166,8 @@ static int sja1105_cgu_mii_tx_clk_config(struct sja1105_private *priv,
 	mii_tx_clk.pd        = 0;  /* Power Down off => enabled */
 	sja1105_cgu_mii_control_packing(packed_buf, &mii_tx_clk, PACK);
 
-	return sja1105_spi_send_packed_buf(priv, SPI_WRITE,
-					   regs->mii_tx_clk[port], packed_buf,
-					   SJA1105_SIZE_CGU_CMD);
+	return sja1105_xfer_buf(priv, SPI_WRITE, regs->mii_tx_clk[port],
+				packed_buf, SJA1105_SIZE_CGU_CMD);
 }
 
 static int
@@ -192,9 +190,8 @@ sja1105_cgu_mii_rx_clk_config(struct sja1105_private *priv, int port)
 	mii_rx_clk.pd        = 0;  /* Power Down off => enabled */
 	sja1105_cgu_mii_control_packing(packed_buf, &mii_rx_clk, PACK);
 
-	return sja1105_spi_send_packed_buf(priv, SPI_WRITE,
-					   regs->mii_rx_clk[port], packed_buf,
-					   SJA1105_SIZE_CGU_CMD);
+	return sja1105_xfer_buf(priv, SPI_WRITE, regs->mii_rx_clk[port],
+				packed_buf, SJA1105_SIZE_CGU_CMD);
 }
 
 static int
@@ -217,9 +214,8 @@ sja1105_cgu_mii_ext_tx_clk_config(struct sja1105_private *priv, int port)
 	mii_ext_tx_clk.pd        = 0; /* Power Down off => enabled */
 	sja1105_cgu_mii_control_packing(packed_buf, &mii_ext_tx_clk, PACK);
 
-	return sja1105_spi_send_packed_buf(priv, SPI_WRITE,
-					   regs->mii_ext_tx_clk[port],
-					   packed_buf, SJA1105_SIZE_CGU_CMD);
+	return sja1105_xfer_buf(priv, SPI_WRITE, regs->mii_ext_tx_clk[port],
+				packed_buf, SJA1105_SIZE_CGU_CMD);
 }
 
 static int
@@ -242,9 +238,8 @@ sja1105_cgu_mii_ext_rx_clk_config(struct sja1105_private *priv, int port)
 	mii_ext_rx_clk.pd        = 0; /* Power Down off => enabled */
 	sja1105_cgu_mii_control_packing(packed_buf, &mii_ext_rx_clk, PACK);
 
-	return sja1105_spi_send_packed_buf(priv, SPI_WRITE,
-					   regs->mii_ext_rx_clk[port],
-					   packed_buf, SJA1105_SIZE_CGU_CMD);
+	return sja1105_xfer_buf(priv, SPI_WRITE, regs->mii_ext_rx_clk[port],
+				packed_buf, SJA1105_SIZE_CGU_CMD);
 }
 
 static int sja1105_mii_clocking_setup(struct sja1105_private *priv, int port,
@@ -337,9 +332,8 @@ static int sja1105_cgu_rgmii_tx_clk_config(struct sja1105_private *priv,
 	txc.pd = 0;
 	sja1105_cgu_mii_control_packing(packed_buf, &txc, PACK);
 
-	return sja1105_spi_send_packed_buf(priv, SPI_WRITE,
-					   regs->rgmii_tx_clk[port],
-					   packed_buf, SJA1105_SIZE_CGU_CMD);
+	return sja1105_xfer_buf(priv, SPI_WRITE, regs->rgmii_tx_clk[port],
+				packed_buf, SJA1105_SIZE_CGU_CMD);
 }
 
 /* AGU */
@@ -383,9 +377,8 @@ static int sja1105_rgmii_cfg_pad_tx_config(struct sja1105_private *priv,
 	pad_mii_tx.clk_ipud  = 2; /* TX_CLK input stage (default) */
 	sja1105_cfg_pad_mii_tx_packing(packed_buf, &pad_mii_tx, PACK);
 
-	return sja1105_spi_send_packed_buf(priv, SPI_WRITE,
-					   regs->pad_mii_tx[port],
-					   packed_buf, SJA1105_SIZE_CGU_CMD);
+	return sja1105_xfer_buf(priv, SPI_WRITE, regs->pad_mii_tx[port],
+				packed_buf, SJA1105_SIZE_CGU_CMD);
 }
 
 static void
@@ -405,7 +398,7 @@ sja1105_cfg_pad_mii_id_packing(void *buf, struct sja1105_cfg_pad_mii_id *cmd,
 }
 
 /* Valid range in degrees is an integer between 73.8 and 101.7 */
-static inline u64 sja1105_rgmii_delay(u64 phase)
+static u64 sja1105_rgmii_delay(u64 phase)
 {
 	/* UM11040.pdf: The delay in degree phase is 73.8 + delay_tune * 0.9.
 	 * To avoid floating point operations we'll multiply by 10
@@ -442,9 +435,8 @@ int sja1105pqrs_setup_rgmii_delay(const void *ctx, int port)
 	pad_mii_id.txc_pd = 1;
 	sja1105_cfg_pad_mii_id_packing(packed_buf, &pad_mii_id, PACK);
 
-	rc = sja1105_spi_send_packed_buf(priv, SPI_WRITE,
-					 regs->pad_mii_id[port],
-					 packed_buf, SJA1105_SIZE_CGU_CMD);
+	rc = sja1105_xfer_buf(priv, SPI_WRITE, regs->pad_mii_id[port],
+			      packed_buf, SJA1105_SIZE_CGU_CMD);
 	if (rc < 0)
 		return rc;
 
@@ -459,9 +451,8 @@ int sja1105pqrs_setup_rgmii_delay(const void *ctx, int port)
 	}
 	sja1105_cfg_pad_mii_id_packing(packed_buf, &pad_mii_id, PACK);
 
-	return sja1105_spi_send_packed_buf(priv, SPI_WRITE,
-					   regs->pad_mii_id[port],
-					   packed_buf, SJA1105_SIZE_CGU_CMD);
+	return sja1105_xfer_buf(priv, SPI_WRITE, regs->pad_mii_id[port],
+				packed_buf, SJA1105_SIZE_CGU_CMD);
 }
 
 static int sja1105_rgmii_clocking_setup(struct sja1105_private *priv, int port,
@@ -547,9 +538,8 @@ static int sja1105_cgu_rmii_ref_clk_config(struct sja1105_private *priv,
 	ref_clk.pd        = 0;      /* Power Down off => enabled */
 	sja1105_cgu_mii_control_packing(packed_buf, &ref_clk, PACK);
 
-	return sja1105_spi_send_packed_buf(priv, SPI_WRITE,
-					   regs->rmii_ref_clk[port],
-					   packed_buf, SJA1105_SIZE_CGU_CMD);
+	return sja1105_xfer_buf(priv, SPI_WRITE, regs->rmii_ref_clk[port],
+				packed_buf, SJA1105_SIZE_CGU_CMD);
 }
 
 static int
@@ -565,9 +555,8 @@ sja1105_cgu_rmii_ext_tx_clk_config(struct sja1105_private *priv, int port)
 	ext_tx_clk.pd        = 0;   /* Power Down off => enabled */
 	sja1105_cgu_mii_control_packing(packed_buf, &ext_tx_clk, PACK);
 
-	return sja1105_spi_send_packed_buf(priv, SPI_WRITE,
-					   regs->rmii_ext_tx_clk[port],
-					   packed_buf, SJA1105_SIZE_CGU_CMD);
+	return sja1105_xfer_buf(priv, SPI_WRITE, regs->rmii_ext_tx_clk[port],
+				packed_buf, SJA1105_SIZE_CGU_CMD);
 }
 
 static int sja1105_cgu_rmii_pll_config(struct sja1105_private *priv)
@@ -595,8 +584,8 @@ static int sja1105_cgu_rmii_pll_config(struct sja1105_private *priv)
 	pll.pd        = 0x1;
 
 	sja1105_cgu_pll_control_packing(packed_buf, &pll, PACK);
-	rc = sja1105_spi_send_packed_buf(priv, SPI_WRITE, regs->rmii_pll1,
-					 packed_buf, SJA1105_SIZE_CGU_CMD);
+	rc = sja1105_xfer_buf(priv, SPI_WRITE, regs->rmii_pll1, packed_buf,
+			      SJA1105_SIZE_CGU_CMD);
 	if (rc < 0) {
 		dev_err(dev, "failed to configure PLL1 for 50MHz\n");
 		return rc;
@@ -606,8 +595,8 @@ static int sja1105_cgu_rmii_pll_config(struct sja1105_private *priv)
 	pll.pd = 0x0;
 
 	sja1105_cgu_pll_control_packing(packed_buf, &pll, PACK);
-	rc = sja1105_spi_send_packed_buf(priv, SPI_WRITE, regs->rmii_pll1,
-					 packed_buf, SJA1105_SIZE_CGU_CMD);
+	rc = sja1105_xfer_buf(priv, SPI_WRITE, regs->rmii_pll1, packed_buf,
+			      SJA1105_SIZE_CGU_CMD);
 	if (rc < 0) {
 		dev_err(dev, "failed to enable PLL1\n");
 		return rc;

drivers/net/dsa/sja1105/sja1105_dynamic_config.c

@@ -686,8 +686,8 @@ int sja1105_dynamic_config_read(struct sja1105_private *priv,
 		ops->entry_packing(packed_buf, entry, PACK);
 
 	/* Send SPI write operation: read config table entry */
-	rc = sja1105_spi_send_packed_buf(priv, SPI_WRITE, ops->addr,
-					 packed_buf, ops->packed_size);
+	rc = sja1105_xfer_buf(priv, SPI_WRITE, ops->addr, packed_buf,
+			      ops->packed_size);
 	if (rc < 0)
 		return rc;
 
@@ -698,8 +698,8 @@ int sja1105_dynamic_config_read(struct sja1105_private *priv,
 		memset(packed_buf, 0, ops->packed_size);
 
 		/* Retrieve the read operation's result */
-		rc = sja1105_spi_send_packed_buf(priv, SPI_READ, ops->addr,
-						 packed_buf, ops->packed_size);
+		rc = sja1105_xfer_buf(priv, SPI_READ, ops->addr, packed_buf,
+				      ops->packed_size);
 		if (rc < 0)
 			return rc;
 
@@ -771,8 +771,8 @@ int sja1105_dynamic_config_write(struct sja1105_private *priv,
 		ops->entry_packing(packed_buf, entry, PACK);
 
 	/* Send SPI write operation: read config table entry */
-	rc = sja1105_spi_send_packed_buf(priv, SPI_WRITE, ops->addr,
-					 packed_buf, ops->packed_size);
+	rc = sja1105_xfer_buf(priv, SPI_WRITE, ops->addr, packed_buf,
+			      ops->packed_size);
 	if (rc < 0)
 		return rc;
 

drivers/net/dsa/sja1105/sja1105_ethtool.c

@@ -167,8 +167,8 @@ static int sja1105_port_status_get_mac(struct sja1105_private *priv,
 	int rc;
 
 	/* MAC area */
-	rc = sja1105_spi_send_packed_buf(priv, SPI_READ, regs->mac[port],
-					 packed_buf, SJA1105_SIZE_MAC_AREA);
+	rc = sja1105_xfer_buf(priv, SPI_READ, regs->mac[port], packed_buf,
+			      SJA1105_SIZE_MAC_AREA);
 	if (rc < 0)
 		return rc;
 
@@ -185,8 +185,8 @@ static int sja1105_port_status_get_hl1(struct sja1105_private *priv,
 	u8 packed_buf[SJA1105_SIZE_HL1_AREA] = {0};
 	int rc;
 
-	rc = sja1105_spi_send_packed_buf(priv, SPI_READ, regs->mac_hl1[port],
-					 packed_buf, SJA1105_SIZE_HL1_AREA);
+	rc = sja1105_xfer_buf(priv, SPI_READ, regs->mac_hl1[port], packed_buf,
+			      SJA1105_SIZE_HL1_AREA);
 	if (rc < 0)
 		return rc;
 
@@ -203,8 +203,8 @@ static int sja1105_port_status_get_hl2(struct sja1105_private *priv,
 	u8 packed_buf[SJA1105_SIZE_QLEVEL_AREA] = {0};
 	int rc;
 
-	rc = sja1105_spi_send_packed_buf(priv, SPI_READ, regs->mac_hl2[port],
-					 packed_buf, SJA1105_SIZE_HL2_AREA);
+	rc = sja1105_xfer_buf(priv, SPI_READ, regs->mac_hl2[port], packed_buf,
+			      SJA1105_SIZE_HL2_AREA);
 	if (rc < 0)
 		return rc;
 
@@ -215,8 +215,8 @@ static int sja1105_port_status_get_hl2(struct sja1105_private *priv,
 	    priv->info->device_id == SJA1105T_DEVICE_ID)
 		return 0;
 
-	rc = sja1105_spi_send_packed_buf(priv, SPI_READ, regs->qlevel[port],
-					 packed_buf, SJA1105_SIZE_QLEVEL_AREA);
+	rc = sja1105_xfer_buf(priv, SPI_READ, regs->qlevel[port], packed_buf,
+			      SJA1105_SIZE_QLEVEL_AREA);
 	if (rc < 0)
 		return rc;
 

drivers/net/dsa/sja1105/sja1105_main.c

@@ -458,9 +458,8 @@ static int sja1105_init_general_params(struct sja1105_private *priv)
 
 #define SJA1105_RATE_MBPS(speed) (((speed) * 64000) / 1000)
 
-static inline void
-sja1105_setup_policer(struct sja1105_l2_policing_entry *policing,
-		      int index)
+static void sja1105_setup_policer(struct sja1105_l2_policing_entry *policing,
+				  int index)
 {
 	policing[index].sharindx = index;
 	policing[index].smax = 65535; /* Burst size in bytes */
@@ -951,7 +950,7 @@ sja1105_static_fdb_change(struct sja1105_private *priv, int port,
  * For the placement of a newly learnt FDB entry, the switch selects the bin
  * based on a hash function, and the way within that bin incrementally.
  */
-static inline int sja1105et_fdb_index(int bin, int way)
+static int sja1105et_fdb_index(int bin, int way)
 {
 	return bin * SJA1105ET_FDB_BIN_SIZE + way;
 }
@@ -2110,23 +2109,22 @@ static int sja1105_check_device_id(struct sja1105_private *priv)
 	const struct sja1105_regs *regs = priv->info->regs;
 	u8 prod_id[SJA1105_SIZE_DEVICE_ID] = {0};
 	struct device *dev = &priv->spidev->dev;
-	u64 device_id;
+	u32 device_id;
 	u64 part_no;
 	int rc;
 
-	rc = sja1105_spi_send_int(priv, SPI_READ, regs->device_id,
-				  &device_id, SJA1105_SIZE_DEVICE_ID);
+	rc = sja1105_xfer_u32(priv, SPI_READ, regs->device_id, &device_id);
 	if (rc < 0)
 		return rc;
 
 	if (device_id != priv->info->device_id) {
-		dev_err(dev, "Expected device ID 0x%llx but read 0x%llx\n",
+		dev_err(dev, "Expected device ID 0x%llx but read 0x%x\n",
 			priv->info->device_id, device_id);
 		return -ENODEV;
 	}
 
-	rc = sja1105_spi_send_packed_buf(priv, SPI_READ, regs->prod_id,
-					 prod_id, SJA1105_SIZE_DEVICE_ID);
+	rc = sja1105_xfer_buf(priv, SPI_READ, regs->prod_id, prod_id,
+			      SJA1105_SIZE_DEVICE_ID);
 	if (rc < 0)
 		return rc;
 

drivers/net/dsa/sja1105/sja1105_ptp.c

@@ -91,8 +91,8 @@ int sja1105et_ptp_cmd(const void *ctx, const void *data)
 	sja1105_pack(buf, &valid,           31, 31, size);
 	sja1105_pack(buf, &cmd->resptp,      2,  2, size);
 
-	return sja1105_spi_send_packed_buf(priv, SPI_WRITE, regs->ptp_control,
-					   buf, SJA1105_SIZE_PTP_CMD);
+	return sja1105_xfer_buf(priv, SPI_WRITE, regs->ptp_control, buf,
+				SJA1105_SIZE_PTP_CMD);
 }
 
 int sja1105pqrs_ptp_cmd(const void *ctx, const void *data)
@@ -108,8 +108,8 @@ int sja1105pqrs_ptp_cmd(const void *ctx, const void *data)
 	sja1105_pack(buf, &valid,           31, 31, size);
 	sja1105_pack(buf, &cmd->resptp,      3,  3, size);
 
-	return sja1105_spi_send_packed_buf(priv, SPI_WRITE, regs->ptp_control,
-					   buf, SJA1105_SIZE_PTP_CMD);
+	return sja1105_xfer_buf(priv, SPI_WRITE, regs->ptp_control, buf,
+				SJA1105_SIZE_PTP_CMD);
 }
 
 /* The switch returns partial timestamps (24 bits for SJA1105 E/T, which wrap
@@ -180,10 +180,8 @@ int sja1105_ptpegr_ts_poll(struct sja1105_private *priv, int port, u64 *ts)
 	int rc;
 
 	do {
-		rc = sja1105_spi_send_packed_buf(priv, SPI_READ,
-						 regs->ptpegr_ts[port],
-						 packed_buf,
-						 priv->info->ptpegr_ts_bytes);
+		rc = sja1105_xfer_buf(priv, SPI_READ, regs->ptpegr_ts[port],
+				      packed_buf, priv->info->ptpegr_ts_bytes);
 		if (rc < 0)
 			return rc;
 
@@ -327,8 +325,7 @@ static u64 sja1105_ptptsclk_read(const struct cyclecounter *cc)
 	u64 ptptsclk = 0;
 	int rc;
 
-	rc = sja1105_spi_send_int(priv, SPI_READ, regs->ptptsclk,
-				  &ptptsclk, 8);
+	rc = sja1105_xfer_u64(priv, SPI_READ, regs->ptptsclk, &ptptsclk);
 	if (rc < 0)
 		dev_err_ratelimited(priv->ds->dev,
 				    "failed to read ptp cycle counter: %d\n",

drivers/net/dsa/sja1105/sja1105_spi.c

@@ -7,7 +7,6 @@
 #include <linux/packing.h>
 #include "sja1105.h"
 
-#define SJA1105_SIZE_PORT_CTRL		4
 #define SJA1105_SIZE_RESET_CMD		4
 #define SJA1105_SIZE_SPI_MSG_HEADER	4
 #define SJA1105_SIZE_SPI_MSG_MAXLEN	(64 * 4)
@@ -64,11 +63,11 @@ sja1105_spi_message_pack(void *buf, const struct sja1105_spi_message *msg)
  *
  * This function should only be called if it is priorly known that
  * @size_bytes is smaller than SIZE_SPI_MSG_MAXLEN. Larger packed buffers
- * are chunked in smaller pieces by sja1105_spi_send_long_packed_buf below.
+ * are chunked in smaller pieces by sja1105_xfer_long_buf below.
  */
-int sja1105_spi_send_packed_buf(const struct sja1105_private *priv,
-				sja1105_spi_rw_mode_t rw, u64 reg_addr,
-				void *packed_buf, size_t size_bytes)
+int sja1105_xfer_buf(const struct sja1105_private *priv,
+		     sja1105_spi_rw_mode_t rw, u64 reg_addr,
+		     void *packed_buf, size_t size_bytes)
 {
 	u8 tx_buf[SJA1105_SIZE_SPI_TRANSFER_MAX] = {0};
 	u8 rx_buf[SJA1105_SIZE_SPI_TRANSFER_MAX] = {0};
@@ -103,35 +102,52 @@ int sja1105_spi_send_packed_buf(const struct sja1105_private *priv,
 
 /* If @rw is:
  * - SPI_WRITE: creates and sends an SPI write message at absolute
- *		address reg_addr, taking size_bytes from *packed_buf
+ *		address reg_addr
  * - SPI_READ:  creates and sends an SPI read message from absolute
- *		address reg_addr, writing size_bytes into *packed_buf
+ *		address reg_addr
  *
  * The u64 *value is unpacked, meaning that it's stored in the native
  * CPU endianness and directly usable by software running on the core.
- *
- * This is a wrapper around sja1105_spi_send_packed_buf().
  */
-int sja1105_spi_send_int(const struct sja1105_private *priv,
-			 sja1105_spi_rw_mode_t rw, u64 reg_addr,
-			 u64 *value, u64 size_bytes)
+int sja1105_xfer_u64(const struct sja1105_private *priv,
+		     sja1105_spi_rw_mode_t rw, u64 reg_addr, u64 *value)
 {
-	u8 packed_buf[SJA1105_SIZE_SPI_MSG_MAXLEN];
+	u8 packed_buf[8];
 	int rc;
 
-	if (size_bytes > SJA1105_SIZE_SPI_MSG_MAXLEN)
-		return -ERANGE;
-
 	if (rw == SPI_WRITE)
-		sja1105_pack(packed_buf, value, 8 * size_bytes - 1, 0,
-			     size_bytes);
+		sja1105_pack(packed_buf, value, 63, 0, 8);
 
-	rc = sja1105_spi_send_packed_buf(priv, rw, reg_addr, packed_buf,
-					 size_bytes);
+	rc = sja1105_xfer_buf(priv, rw, reg_addr, packed_buf, 8);
 
 	if (rw == SPI_READ)
-		sja1105_unpack(packed_buf, value, 8 * size_bytes - 1, 0,
-			       size_bytes);
+		sja1105_unpack(packed_buf, value, 63, 0, 8);
+
+	return rc;
+}
+
+/* Same as above, but transfers only a 4 byte word */
+int sja1105_xfer_u32(const struct sja1105_private *priv,
+		     sja1105_spi_rw_mode_t rw, u64 reg_addr, u32 *value)
+{
+	u8 packed_buf[4];
+	u64 tmp;
+	int rc;
+
+	if (rw == SPI_WRITE) {
+		/* The packing API only supports u64 as CPU word size,
+		 * so we need to convert.
+		 */
+		tmp = *value;
+		sja1105_pack(packed_buf, &tmp, 31, 0, 4);
+	}
+
+	rc = sja1105_xfer_buf(priv, rw, reg_addr, packed_buf, 4);
+
+	if (rw == SPI_READ) {
+		sja1105_unpack(packed_buf, &tmp, 31, 0, 4);
+		*value = tmp;
+	}
 
 	return rc;
 }
@@ -140,9 +156,9 @@ int sja1105_spi_send_int(const struct sja1105_private *priv,
  * must be sent/received. Splitting the buffer into chunks and assembling
  * those into SPI messages is done automatically by this function.
  */
-int sja1105_spi_send_long_packed_buf(const struct sja1105_private *priv,
-				     sja1105_spi_rw_mode_t rw, u64 base_addr,
-				     void *packed_buf, u64 buf_len)
+int sja1105_xfer_long_buf(const struct sja1105_private *priv,
+			  sja1105_spi_rw_mode_t rw, u64 base_addr,
+			  void *packed_buf, u64 buf_len)
 {
 	struct chunk {
 		void *buf_ptr;
@@ -158,8 +174,8 @@ int sja1105_spi_send_long_packed_buf(const struct sja1105_private *priv,
 	chunk.len = min_t(int, buf_len, SJA1105_SIZE_SPI_MSG_MAXLEN);
 
 	while (chunk.len) {
-		rc = sja1105_spi_send_packed_buf(priv, rw, chunk.spi_address,
-						 chunk.buf_ptr, chunk.len);
+		rc = sja1105_xfer_buf(priv, rw, chunk.spi_address,
+				      chunk.buf_ptr, chunk.len);
 		if (rc < 0)
 			return rc;
 
@@ -241,8 +257,8 @@ static int sja1105et_reset_cmd(const void *ctx, const void *data)
 
 	sja1105et_reset_cmd_pack(packed_buf, reset);
 
-	return sja1105_spi_send_packed_buf(priv, SPI_WRITE, regs->rgu,
-					   packed_buf, SJA1105_SIZE_RESET_CMD);
+	return sja1105_xfer_buf(priv, SPI_WRITE, regs->rgu, packed_buf,
+				SJA1105_SIZE_RESET_CMD);
 }
 
 static int sja1105pqrs_reset_cmd(const void *ctx, const void *data)
@@ -271,8 +287,8 @@ static int sja1105pqrs_reset_cmd(const void *ctx, const void *data)
 
 	sja1105pqrs_reset_cmd_pack(packed_buf, reset);
 
-	return sja1105_spi_send_packed_buf(priv, SPI_WRITE, regs->rgu,
-					   packed_buf, SJA1105_SIZE_RESET_CMD);
+	return sja1105_xfer_buf(priv, SPI_WRITE, regs->rgu, packed_buf,
+				SJA1105_SIZE_RESET_CMD);
 }
 
 static int sja1105_cold_reset(const struct sja1105_private *priv)
@@ -287,11 +303,11 @@ int sja1105_inhibit_tx(const struct sja1105_private *priv,
 		       unsigned long port_bitmap, bool tx_inhibited)
 {
 	const struct sja1105_regs *regs = priv->info->regs;
-	u64 inhibit_cmd;
+	u32 inhibit_cmd;
 	int rc;
 
-	rc = sja1105_spi_send_int(priv, SPI_READ, regs->port_control,
-				  &inhibit_cmd, SJA1105_SIZE_PORT_CTRL);
+	rc = sja1105_xfer_u32(priv, SPI_READ, regs->port_control,
+			      &inhibit_cmd);
 	if (rc < 0)
 		return rc;
 
@@ -300,8 +316,8 @@ int sja1105_inhibit_tx(const struct sja1105_private *priv,
 	else
 		inhibit_cmd &= ~port_bitmap;
 
-	return sja1105_spi_send_int(priv, SPI_WRITE, regs->port_control,
-				    &inhibit_cmd, SJA1105_SIZE_PORT_CTRL);
+	return sja1105_xfer_u32(priv, SPI_WRITE, regs->port_control,
+				&inhibit_cmd);
 }
 
 struct sja1105_status {
@@ -339,9 +355,7 @@ static int sja1105_status_get(struct sja1105_private *priv,
 	u8 packed_buf[4];
 	int rc;
 
-	rc = sja1105_spi_send_packed_buf(priv, SPI_READ,
-					 regs->status,
-					 packed_buf, 4);
+	rc = sja1105_xfer_buf(priv, SPI_READ, regs->status, packed_buf, 4);
 	if (rc < 0)
 		return rc;
 
@@ -435,9 +449,8 @@ int sja1105_static_config_upload(struct sja1105_private *priv)
 		/* Wait for the switch to come out of reset */
 		usleep_range(1000, 5000);
 		/* Upload the static config to the device */
-		rc = sja1105_spi_send_long_packed_buf(priv, SPI_WRITE,
-						      regs->config,
-						      config_buf, buf_len);
+		rc = sja1105_xfer_long_buf(priv, SPI_WRITE, regs->config,
+					   config_buf, buf_len);
 		if (rc < 0) {
 			dev_err(dev, "Failed to upload config, retrying...\n");
 			continue;