spi: Use mode instead of op_mode_tx

Used mode member from spi_slave{} instead of op_mode_tx.

Cc: Simon Glass <sjg@chromium.org>
Tested-by: Jagan Teki <jteki@openedev.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Jagan Teki <jteki@openedev.com>

drivers/mtd/spi/sf_probe.c

@@ -128,7 +128,7 @@ static int spi_flash_std_write(struct udevice *dev, u32 offset, size_t len,
 
 #if defined(CONFIG_SPI_FLASH_SST)
 	if (flash->flags & SNOR_F_SST_WR) {
-		if (flash->spi->op_mode_tx & SPI_OPM_TX_BP)
+		if (flash->spi->mode & SPI_TX_BP)
 			return sst_write_bp(flash, offset, len, buf);
 		else
 			return sst_write_wp(flash, offset, len, buf);

drivers/mtd/spi/spi_flash.c

@@ -968,7 +968,7 @@ int spi_flash_scan(struct spi_flash *flash)
 	flash->write = spi_flash_cmd_write_ops;
 #if defined(CONFIG_SPI_FLASH_SST)
 	if (flash->flags & SNOR_F_SST_WR) {
-		if (spi->op_mode_tx & SPI_OPM_TX_BP)
+		if (spi->mode & SPI_TX_BP)
 			flash->write = sst_write_bp;
 		else
 			flash->write = sst_write_wp;
@@ -1042,7 +1042,7 @@ int spi_flash_scan(struct spi_flash *flash)
 	}
 
 	/* Not require to look for fastest only two write cmds yet */
-	if (params->flags & WR_QPP && spi->op_mode_tx & SPI_OPM_TX_QPP)
+	if (params->flags & WR_QPP && spi->mode & SPI_TX_QPP)
 		flash->write_cmd = CMD_QUAD_PAGE_PROGRAM;
 	else
 		/* Go for default supported write cmd */

drivers/spi/ich.c

@@ -753,7 +753,7 @@ static int ich_spi_child_pre_probe(struct udevice *dev)
 	 */
 	if (plat->ich_version == 7) {
 		slave->op_mode_rx = SPI_OPM_RX_AS;
-		slave->op_mode_tx = SPI_OPM_TX_BP;
+		slave->mode = SPI_TX_BP;
 	}
 
 	return 0;

include/spi.h

@@ -23,6 +23,8 @@
 #define	SPI_LOOP	0x20			/* loopback mode */
 #define	SPI_SLAVE	0x40			/* slave mode */
 #define	SPI_PREAMBLE	0x80			/* Skip preamble bytes */
+#define SPI_TX_BP	0x100			/* transmit with 1 wire byte */
+#define SPI_TX_QPP	0x200			/* transmit with 4 wires */
 
 /* SPI transfer flags */
 #define SPI_XFER_BEGIN		0x01	/* Assert CS before transfer */
@@ -32,10 +34,6 @@
 #define SPI_XFER_ONCE		(SPI_XFER_BEGIN | SPI_XFER_END)
 #define SPI_XFER_U_PAGE	(1 << 5)
 
-/* SPI TX operation modes */
-#define SPI_OPM_TX_QPP		(1 << 0)
-#define SPI_OPM_TX_BP		(1 << 1)
-
 /* SPI RX operation modes */
 #define SPI_OPM_RX_AS		(1 << 0)
 #define SPI_OPM_RX_AF		(1 << 1)
@@ -107,7 +105,6 @@ struct dm_spi_slave_platdata {
  * @cs:			ID of the chip select connected to the slave.
  * @mode:		SPI mode to use for this slave (see SPI mode flags)
  * @op_mode_rx:		SPI RX operation mode.
- * @op_mode_tx:		SPI TX operation mode.
  * @wordlen:		Size of SPI word in number of bits
  * @max_write_size:	If non-zero, the maximum number of bytes which can
  *			be written at once, excluding command bytes.
@@ -126,7 +123,6 @@ struct spi_slave {
 #endif
 	uint mode;
 	u8 op_mode_rx;
-	u8 op_mode_tx;
 	unsigned int wordlen;
 	unsigned int max_write_size;
 	void *memory_map;