treewide, spi: Get rid of SPI_MASTER_HALF_DUPLEX

The SPI_MASTER_HALF_DUPLEX is the legacy name of a definition
for a half duplex flag. Since all others had been replaced with
the respective SPI_CONTROLLER prefix get rid of the last one
as well. There is no functional change intended.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org> # For MMC
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> # for input
Acked-by: Paolo Abeni <pabeni@redhat.com>
Link: https://lore.kernel.org/r/20231113111249.3982461-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>

Author: andy-shev

drivers/input/rmi4/rmi_spi.c

@@ -375,7 +375,7 @@ static int rmi_spi_probe(struct spi_device *spi)
 	struct rmi_device_platform_data *spi_pdata = spi->dev.platform_data;
 	int error;
 
-	if (spi->master->flags & SPI_MASTER_HALF_DUPLEX)
+	if (spi->master->flags & SPI_CONTROLLER_HALF_DUPLEX)
 		return -EINVAL;
 
 	rmi_spi = devm_kzalloc(&spi->dev, sizeof(struct rmi_spi_xport),

drivers/mmc/host/mmc_spi.c

@@ -1322,7 +1322,7 @@ static int mmc_spi_probe(struct spi_device *spi)
 	/* We rely on full duplex transfers, mostly to reduce
 	 * per-transfer overheads (by making fewer transfers).
 	 */
-	if (spi->master->flags & SPI_MASTER_HALF_DUPLEX)
+	if (spi->master->flags & SPI_CONTROLLER_HALF_DUPLEX)
 		return -EINVAL;
 
 	/* MMC and SD specs only seem to care that sampling is on the

drivers/net/ethernet/micrel/ks8851_spi.c

@@ -156,7 +156,7 @@ static void ks8851_rdreg(struct ks8851_net *ks, unsigned int op,
 
 	txb[0] = cpu_to_le16(op | KS_SPIOP_RD);
 
-	if (kss->spidev->master->flags & SPI_MASTER_HALF_DUPLEX) {
+	if (kss->spidev->master->flags & SPI_CONTROLLER_HALF_DUPLEX) {
 		msg = &kss->spi_msg2;
 		xfer = kss->spi_xfer2;
 
@@ -180,7 +180,7 @@ static void ks8851_rdreg(struct ks8851_net *ks, unsigned int op,
 	ret = spi_sync(kss->spidev, msg);
 	if (ret < 0)
 		netdev_err(ks->netdev, "read: spi_sync() failed\n");
-	else if (kss->spidev->master->flags & SPI_MASTER_HALF_DUPLEX)
+	else if (kss->spidev->master->flags & SPI_CONTROLLER_HALF_DUPLEX)
 		memcpy(rxb, trx, rxl);
 	else
 		memcpy(rxb, trx + 2, rxl);

drivers/usb/gadget/udc/max3420_udc.c

@@ -1201,7 +1201,7 @@ static int max3420_probe(struct spi_device *spi)
 	int err, irq;
 	u8 reg[8];
 
-	if (spi->master->flags & SPI_MASTER_HALF_DUPLEX) {
+	if (spi->master->flags & SPI_CONTROLLER_HALF_DUPLEX) {
 		dev_err(&spi->dev, "UDC needs full duplex to work\n");
 		return -EINVAL;
 	}

include/linux/spi/spi.h

@@ -1638,8 +1638,6 @@ spi_transfer_is_last(struct spi_controller *ctlr, struct spi_transfer *xfer)
 /* Compatibility layer */
 #define spi_master			spi_controller
 
-#define SPI_MASTER_HALF_DUPLEX		SPI_CONTROLLER_HALF_DUPLEX
-
 #define spi_master_get_devdata(_ctlr)	spi_controller_get_devdata(_ctlr)
 #define spi_master_set_devdata(_ctlr, _data)	\
 	spi_controller_set_devdata(_ctlr, _data)