spi: atcspi200: Drop non-dm code

Boards adp-ae3xx_defconfig, nx25-ae250_defconfig
already enabled DM_SPI, so non-dm code make no use
of it hence droped.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>

drivers/spi/Kconfig

@@ -23,6 +23,13 @@ config ALTERA_SPI
 	  IP core. Please find details on the "Embedded Peripherals IP
 	  User Guide" of Altera.
 
+config ATCSPI200_SPI
+	bool "Andestech ATCSPI200 SPI driver"
+	help
+	  Enable the Andestech ATCSPI200 SPI driver. This driver can be
+	  used to access the SPI flash on AE3XX and AE250 platforms embedding
+	  this Andestech IP core.
+
 config ATH79_SPI
 	bool "Atheros SPI driver"
 	depends on ARCH_ATH79
@@ -232,13 +239,6 @@ config FSL_QSPI
 	  used to access the SPI NOR flash on platforms embedding this
 	  Freescale IP core.
 
-config ATCSPI200_SPI
-	bool "Andestech ATCSPI200 SPI driver"
-	help
-	  Enable the Andestech ATCSPI200 SPI driver. This driver can be
-	  used to access the SPI flash on AE3XX and AE250 platforms embedding
-	  this Andestech IP core.
-
 config DAVINCI_SPI
 	bool "Davinci & Keystone SPI driver"
 	depends on ARCH_DAVINCI || ARCH_KEYSTONE

drivers/spi/atcspi200_spi.c

@@ -75,9 +75,6 @@ struct atcspi200_spi_regs {
 };
 
 struct nds_spi_slave {
-#ifndef CONFIG_DM_SPI
-	struct spi_slave slave;
-#endif
 	volatile struct atcspi200_spi_regs *regs;
 	int		to;
 	unsigned int	freq;
@@ -286,89 +283,6 @@ static int __atcspi200_spi_xfer(struct nds_spi_slave *ns,
 		return ret;
 }
 
-#ifndef CONFIG_DM_SPI
-#define to_nds_spi_slave(s) container_of(s, struct nds_spi_slave, slave)
-struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
-		unsigned int max_hz, unsigned int mode)
-{
-	struct nds_spi_slave *ns;
-
-	if (!spi_cs_is_valid(bus, cs))
-		return NULL;
-
-	ns = spi_alloc_slave(struct nds_spi_slave, bus, cs);
-	if (!ns)
-		return NULL;
-
-	switch (bus) {
-	case SPI0_BUS:
-			ns->regs = (struct atcspi200_spi_regs *)SPI0_BASE;
-			break;
-
-		case SPI1_BUS:
-			ns->regs = (struct atcspi200_spi_regs *)SPI1_BASE;
-			break;
-
-		default:
-			return NULL;
-	}
-
-	ns->freq= max_hz;
-	ns->mode = mode;
-	ns->to = SPI_TIMEOUT;
-	ns->max_transfer_length = MAX_TRANSFER_LEN;
-	ns->slave.max_write_size = MAX_TRANSFER_LEN;
-
-	return &ns->slave;
-}
-
-void spi_free_slave(struct spi_slave *slave)
-{
-	struct nds_spi_slave *ns = to_nds_spi_slave(slave);
-	free(ns);
-}
-
-void spi_init(void)
-{
-	/* do nothing */
-}
-
-int spi_claim_bus(struct spi_slave *slave)
-{
-	struct nds_spi_slave *ns = to_nds_spi_slave(slave);
-	return __atcspi200_spi_claim_bus(ns);
-}
-
-void spi_release_bus(struct spi_slave *slave)
-{
-	struct nds_spi_slave *ns = to_nds_spi_slave(slave);
-	__atcspi200_spi_release_bus(ns);
-}
-
-int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *data_out,
-		void *data_in, unsigned long flags)
-{
-	struct nds_spi_slave *ns = to_nds_spi_slave(slave);
-	return __atcspi200_spi_xfer(ns, bitlen, data_out, data_in, flags);
-}
-
-int spi_cs_is_valid(unsigned int bus, unsigned int cs)
-{
-	return bus == 0 && cs < NSPI_MAX_CS_NUM;
-}
-
-void spi_cs_activate(struct spi_slave *slave)
-{
-	struct nds_spi_slave *ns = to_nds_spi_slave(slave);
-	__atcspi200_spi_start(ns);
-}
-
-void spi_cs_deactivate(struct spi_slave *slave)
-{
-	struct nds_spi_slave *ns = to_nds_spi_slave(slave);
-	__atcspi200_spi_stop(ns);
-}
-#else
 static int atcspi200_spi_set_speed(struct udevice *bus, uint max_hz)
 {
 	struct nds_spi_slave *ns = dev_get_priv(bus);
@@ -496,4 +410,3 @@ U_BOOT_DRIVER(atcspi200_spi) = {
 	.priv_auto_alloc_size = sizeof(struct nds_spi_slave),
 	.probe = atcspi200_spi_probe,
 };
-#endif