spi: Remove SPI legacy API

No drivers nor samples are using it anymore.

Signed-off-by: Tomasz Bursztyka <[email protected]>

Author: Tomasz Bursztyka

drivers/spi/Kconfig

@@ -17,13 +17,6 @@ menuconfig SPI
 
 if SPI
 
-config SPI_LEGACY_API
-	bool "Use legacy SPI API (soon to be deprecated)"
-	default n
-	help
-	  Driver and user API implements/use the legacy SPI API.
-	  If unselected, the new API will be used (default).
-
 config SPI_ASYNC
 	bool "Enable Asynchronous call support"
 	default n
@@ -64,11 +57,6 @@ config SYS_LOG_SPI_LEVEL
 
 	    - 4 DEBUG, write SYS_LOG_DBG in addition to previous levels
 
-config SPI_CS_GPIO
-	bool "SPI port CS pin is controlled via a GPIO port"
-	depends on GPIO && SPI_LEGACY_API
-	default n
-
 config	SPI_0
 	bool "SPI port 0"
 	default n
@@ -96,14 +84,6 @@ config SPI_0_OP_MODES
 config SPI_0_IRQ_PRI
 	int "Port 0 interrupt priority"
 
-config SPI_0_DEFAULT_CFG
-	hex "Port 0 default configuration"
-	default 0x80
-
-config SPI_0_DEFAULT_BAUD_RATE
-	int "Port 0 default baud rate"
-	default 500000
-
 config SPI_0_CS_GPIO_PORT
 	string "The GPIO port which is used to control CS"
 	depends on SPI_CS_GPIO
@@ -144,14 +124,6 @@ config SPI_1_IRQ_PRI
 	int "Port 0 interrupt priority"
 	depends on !HAS_DTS_SPI
 
-config SPI_1_DEFAULT_CFG
-	hex "Port 1 default configuration"
-	default 0x80
-
-config SPI_1_DEFAULT_BAUD_RATE
-	int "Port 1 default baud rate"
-	default 500000
-
 config SPI_1_CS_GPIO_PORT
 	string "The GPIO port which is used to control CS"
 	depends on SPI_CS_GPIO
@@ -192,14 +164,6 @@ config SPI_2_IRQ_PRI
 	int "Port 2 interrupt priority"
 	depends on !HAS_DTS_SPI
 
-config SPI_2_DEFAULT_CFG
-	hex "Port 2 default configuration"
-	default 0x80
-
-config SPI_2_DEFAULT_BAUD_RATE
-	int "Port 2 default baud rate"
-	default 500000
-
 config SPI_2_CS_GPIO_PORT
 	string "The GPIO port which is used to control CS"
 	depends on SPI_CS_GPIO

drivers/spi/spi_handlers.c

@@ -7,7 +7,6 @@
 #include <spi.h>
 #include <syscall_handler.h>
 
-#ifndef CONFIG_SPI_LEGACY_API
 static void verify_spi_buf_array(const struct spi_buf *bufs, size_t len,
 				 int writable, void *ssf)
 {
@@ -75,4 +74,3 @@ _SYSCALL_HANDLER(spi_release, dev, config_p)
 	_SYSCALL_OBJ(dev, K_OBJ_DRIVER_SPI);
 	return _impl_spi_release((struct device *)dev, config);
 }
-#endif

drivers/spi/spi_sam0.c

@@ -14,10 +14,6 @@
 #include <soc.h>
 #include <board.h>
 
-#if defined(CONFIG_SPI_LEGACY_API)
-#error "This driver does not support the SPI legacy API."
-#endif
-
 /* Device constant configuration parameters */
 struct spi_sam0_config {
 	SercomSpi *regs;

include/spi.h

@@ -9,16 +9,6 @@
  * @brief Public API for SPI drivers and applications
  */
 
-#if defined(CONFIG_SPI_LEGACY_API)
-
-/*
- * This is the default, and will be the way until the new API below
- * will be enforced everywhere.
- */
-#include <spi_legacy.h>
-
-#else
-
 #ifndef __SPI_H__
 #define __SPI_H__
 
@@ -427,4 +417,3 @@ static inline int _impl_spi_release(struct device *dev,
 #include <syscalls/spi.h>
 
 #endif /* __SPI_H__ */
-#endif /* CONFIG_SPI_LEGACY_API */

include/spi_legacy.h

@@ -5,7 +5,6 @@ CONFIG_BOOT_BANNER=y
 CONFIG_POLL=y
 
 CONFIG_SPI=y
-# CONFIG_SPI_LEGACY_API is not set
 
 CONFIG_LED_STRIP=y
 CONFIG_LPD880X_STRIP=y

samples/drivers/led_lpd8806/prj.conf

@@ -1,6 +1,5 @@
 CONFIG_POLL=y
 CONFIG_SPI=y
-# CONFIG_SPI_LEGACY_API is not set
 
 CONFIG_WS2812_STRIP=y
 CONFIG_WS2812_STRIP_SPI_DEV_NAME="ws2812_spi"