mts-io: remove all unused spi and adc code from mtcdp

	remote board-temperature attribute

1 files changed, 4 insertions, 129 deletions

diff --git a/io-module/mts_io.c b/io-module/mts_io.c
index 38d1086..fa61e1f 100644
--- a/io-module/mts_io.c
+++ b/io-module/mts_io.c
@@ -54,8 +54,6 @@
 
 #define LED_LS_CONTROLLABLE		0
 
-#define AT91SAM9X5_BASE_ADC     0xf804c000
-
 /* on-board EEPROM */
 extern uint8_t mts_id_eeprom[512];
 static struct mts_id_eeprom_layout id_eeprom;
@@ -86,12 +84,6 @@ static struct attribute_group ap_attr_groups[NUM_AP];
 
 static struct ap_info* port_info[NUM_AP];
 
-static uint8_t mts_product_id;
-static uint8_t has_spi_sout;
-static uint8_t has_spi_din;
-static uint8_t has_spi_dout;
-static uint8_t has_spi_temp;
-
 static struct platform_device *mts_io_platform_device;
 static struct attribute_group *attr_group;
 static struct gpio_pin *gpio_pins;
@@ -101,12 +93,6 @@ static DEFINE_MUTEX(mts_io_mutex);
 /* generic GPIO support */
 #include "gpio.c"
 
-/* AT91 built-in ADC */
-#include "adc.c"
-
-/* SPI-based stuff */
-#include "spi.c"
-
 /* accessory card support */
 #include "mtac.c"
 #include "mtac_gpiob.c"
@@ -479,23 +465,12 @@ static int mts_id_eeprom_load(void)
 {
 	memcpy(&id_eeprom, mts_id_eeprom, sizeof(mts_id_eeprom));
 
-	mts_product_id = MTCDP_E1_DK_1_0;
-	has_spi_sout = 1;
-	has_spi_din = 1;
-	has_spi_dout = 1;
-	has_spi_temp = 1;
-
 	if (mts_id_eeprom[0] == 0xFF) {
 		log_error("uninitialized eeprom");
 		return -EIO;
 	} else {
 		attr_group = &mtr2d2_platform_attribute_group;
 		gpio_pins = gpio_pins_mtr2d2_0_0;
-		mts_product_id = MTR2D2_0_0;
-		has_spi_sout = 0;
-		has_spi_din = 0;
-		has_spi_dout = 0;
-		has_spi_temp = 0;
 		log_info("detected board %s", HW_VERSION_MTR2D2_0_0);
 	}
 
@@ -586,56 +561,6 @@ static int __init mts_io_init(void)
 		goto error4;
 	}
 
-	if ( has_spi_sout ) {
-		ret = spi_register_driver(&mts_spi_sout_driver);
-		if (ret) {
-			goto error5;
-		}
-	}
-
-	if ( has_spi_dout ) {
-		ret = spi_register_driver(&mts_spi_dout_driver);
-		if (ret) {
-			goto error6;
-		}
-	}
-	if ( has_spi_din ) {
-		ret = spi_register_driver(&mts_spi_din_driver);
-		if (ret) {
-			goto error7;
-		}
-	}
-
-	if ( has_spi_temp ) {
-		ret = spi_register_driver(&mts_spi_board_temp_driver);
-		if (ret) {
-			goto error8;
-		}
-	}
-
-	/* ADC Setup */
-#ifdef CONFIG_SOC_AT91SAM9X5
-	adc_base = ioremap(AT91SAM9X5_BASE_ADC, SZ_16K);
-#else
-	adc_base = ioremap(AT91SAM9260_BASE_ADC, SZ_16K);
-#endif
-	if (!adc_base) {
-		goto error9;
-	}
-
-	adc_clk = clk_get(NULL, "adc_clk");
-	if (!adc_clk) {
-		goto error10;
-	}
-	clk_enable(adc_clk);
-
-	ADC_CONVERT_RESET(adc_base);
-	writel(ADC_MODE_DEFAULT, adc_base + ADC_MR_OFFSET);
-	writel(0x000F0F0F, adc_base + ADC_IDR_OFFSET);
-	if (!DEVICE_CAPA(id_eeprom.capa, CAPA_ADC)) {
-		writel(0x0F, adc_base + ADC_CHDR_OFFSET);
-	}
-
 	for (pin = gpio_pins; *pin->name; pin++) {
 		ret = gpio_request_one(pin->pin.gpio, pin->pin.flags, pin->pin.label);
 		if (ret) {
@@ -643,41 +568,13 @@ static int __init mts_io_init(void)
 		}
 	}
 
-	if ( has_spi_sout || has_spi_dout || has_spi_din ) {
-		pin = gpio_pin_by_name("ENIO");
-		if (pin) {
-			gpio_set_value(pin->pin.gpio, 0);
-		}
-	}
-
-	// No reset_callback for MT100EOCG
-	if ( mts_product_id != MT100EOCG_0_0 ) {
-		reset_callback(NULL);
-	}
+	// start the reset handler
+	reset_callback(NULL);
 
 	return 0;
 
-error10:
-	iounmap(adc_base);
-error9:
-	if ( has_spi_temp ) {
-		spi_unregister_driver(&mts_spi_board_temp_driver);
-	}
-error8:
-	if ( has_spi_din ) {
-		spi_unregister_driver(&mts_spi_din_driver);
-	}
-error7:
-	if ( has_spi_dout ) {
-		spi_unregister_driver(&mts_spi_dout_driver);
-	}
-error6:
-	if ( has_spi_sout ) {
-		spi_unregister_driver(&mts_spi_sout_driver);
-	}
-error5:
-	sysfs_remove_group(&mts_io_platform_device->dev.kobj, attr_group);
 error4:
+	sysfs_remove_group(&mts_io_platform_device->dev.kobj, attr_group);
 	sysfs_remove_link(&mts_io_platform_device->dev.parent->kobj, "mtcdp");
 error3:
 	platform_device_del(mts_io_platform_device);
@@ -700,25 +597,7 @@ static void __exit mts_io_exit(void)
 	int port;
 	int port_index;
 
-	if ( mts_product_id != MT100EOCG_0_0 ) {
-		cancel_delayed_work_sync(&reset_work);
-	}
-
-	iounmap(adc_base);
-	clk_disable(adc_clk);
-	clk_put(adc_clk);
-
-	if (has_spi_temp)
-		spi_unregister_driver(&mts_spi_board_temp_driver);
-
-	if (has_spi_din)
-		spi_unregister_driver(&mts_spi_din_driver);
-
-	if (has_spi_dout)
-		spi_unregister_driver(&mts_spi_dout_driver);
-
-	if (has_spi_sout)
-		spi_unregister_driver(&mts_spi_sout_driver);
+	cancel_delayed_work_sync(&reset_work);
 
 	sysfs_remove_group(&mts_io_platform_device->dev.kobj, attr_group);
 
@@ -744,10 +623,6 @@ MODULE_DESCRIPTION(DRIVER_DESC);
 MODULE_VERSION(DRIVER_VERSION);
 MODULE_LICENSE("GPL");
 
-MODULE_ALIAS("mts-io-sout");
-MODULE_ALIAS("mts-io-board-temp");
-MODULE_ALIAS("mts-io-dout");
-MODULE_ALIAS("mts-io-din");
 MODULE_ALIAS("mts-io-ap1-dout");
 MODULE_ALIAS("mts-io-ap1-din");
 MODULE_ALIAS("mts-io-ap1-adc");