ARM: s3c: remove s3c24xx specific hacks

A number of device drivers reference CONFIG_ARM_S3C24XX_CPUFREQ or
similar symbols that are no longer available with the platform gone,
though the drivers themselves are still used on newer platforms,
so remove these hacks.

Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

15 files changed, 29 insertions, 455 deletions

diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
index 4469e7f555e9..fc10ecc3602d 100644
--- a/drivers/clocksource/Kconfig
+++ b/drivers/clocksource/Kconfig
@@ -441,7 +441,7 @@ config CLKSRC_EXYNOS_MCT
 config CLKSRC_SAMSUNG_PWM
 	bool "PWM timer driver for Samsung S3C, S5P" if COMPILE_TEST
 	depends on HAS_IOMEM
-	depends on ARCH_EXYNOS || ARCH_S3C24XX || ARCH_S3C64XX || ARCH_S5PV210 || COMPILE_TEST
+	depends on ARCH_EXYNOS || ARCH_S3C64XX || ARCH_S5PV210 || COMPILE_TEST
 	help
 	  This is a new clocksource driver for the PWM timer found in
 	  Samsung S3C, S5P and Exynos SoCs, replacing an earlier driver
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index 72b3b44b5be7..d4975444a32d 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -1010,8 +1010,7 @@ config I2C_RZV2M
 
 config I2C_S3C2410
 	tristate "S3C/Exynos I2C Driver"
-	depends on ARCH_EXYNOS || ARCH_S3C24XX || ARCH_S3C64XX || \
-		   ARCH_S5PV210 || COMPILE_TEST
+	depends on ARCH_EXYNOS || ARCH_S3C64XX || ARCH_S5PV210 || COMPILE_TEST
 	help
 	  Say Y here to include support for I2C controller in the
 	  Samsung SoCs (S3C, S5Pv210, Exynos).
diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
index 36dab9cd208c..45e9df81345a 100644
--- a/drivers/i2c/busses/i2c-s3c2410.c
+++ b/drivers/i2c/busses/i2c-s3c2410.c
@@ -116,9 +116,6 @@ struct s3c24xx_i2c {
 	struct s3c2410_platform_i2c	*pdata;
 	struct gpio_desc	*gpios[2];
 	struct pinctrl          *pctrl;
-#if defined(CONFIG_ARM_S3C24XX_CPUFREQ)
-	struct notifier_block	freq_transition;
-#endif
 	struct regmap		*sysreg;
 	unsigned int		sys_i2c_cfg;
 };
@@ -885,65 +882,6 @@ static int s3c24xx_i2c_clockrate(struct s3c24xx_i2c *i2c, unsigned int *got)
 	return 0;
 }
 
-#if defined(CONFIG_ARM_S3C24XX_CPUFREQ)
-
-#define freq_to_i2c(_n) container_of(_n, struct s3c24xx_i2c, freq_transition)
-
-static int s3c24xx_i2c_cpufreq_transition(struct notifier_block *nb,
-					  unsigned long val, void *data)
-{
-	struct s3c24xx_i2c *i2c = freq_to_i2c(nb);
-	unsigned int got;
-	int delta_f;
-	int ret;
-
-	delta_f = clk_get_rate(i2c->clk) - i2c->clkrate;
-
-	/* if we're post-change and the input clock has slowed down
-	 * or at pre-change and the clock is about to speed up, then
-	 * adjust our clock rate. <0 is slow, >0 speedup.
-	 */
-
-	if ((val == CPUFREQ_POSTCHANGE && delta_f < 0) ||
-	    (val == CPUFREQ_PRECHANGE && delta_f > 0)) {
-		i2c_lock_bus(&i2c->adap, I2C_LOCK_ROOT_ADAPTER);
-		ret = s3c24xx_i2c_clockrate(i2c, &got);
-		i2c_unlock_bus(&i2c->adap, I2C_LOCK_ROOT_ADAPTER);
-
-		if (ret < 0)
-			dev_err(i2c->dev, "cannot find frequency (%d)\n", ret);
-		else
-			dev_info(i2c->dev, "setting freq %d\n", got);
-	}
-
-	return 0;
-}
-
-static inline int s3c24xx_i2c_register_cpufreq(struct s3c24xx_i2c *i2c)
-{
-	i2c->freq_transition.notifier_call = s3c24xx_i2c_cpufreq_transition;
-
-	return cpufreq_register_notifier(&i2c->freq_transition,
-					 CPUFREQ_TRANSITION_NOTIFIER);
-}
-
-static inline void s3c24xx_i2c_deregister_cpufreq(struct s3c24xx_i2c *i2c)
-{
-	cpufreq_unregister_notifier(&i2c->freq_transition,
-				    CPUFREQ_TRANSITION_NOTIFIER);
-}
-
-#else
-static inline int s3c24xx_i2c_register_cpufreq(struct s3c24xx_i2c *i2c)
-{
-	return 0;
-}
-
-static inline void s3c24xx_i2c_deregister_cpufreq(struct s3c24xx_i2c *i2c)
-{
-}
-#endif
-
 #ifdef CONFIG_OF
 static int s3c24xx_i2c_parse_dt_gpio(struct s3c24xx_i2c *i2c)
 {
@@ -1152,13 +1090,6 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
 		}
 	}
 
-	ret = s3c24xx_i2c_register_cpufreq(i2c);
-	if (ret < 0) {
-		dev_err(&pdev->dev, "failed to register cpufreq notifier\n");
-		clk_unprepare(i2c->clk);
-		return ret;
-	}
-
 	/*
 	 * Note, previous versions of the driver used i2c_add_adapter()
 	 * to add the bus at any number. We now pass the bus number via
@@ -1175,7 +1106,6 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
 	ret = i2c_add_numbered_adapter(&i2c->adap);
 	if (ret < 0) {
 		pm_runtime_disable(&pdev->dev);
-		s3c24xx_i2c_deregister_cpufreq(i2c);
 		clk_unprepare(i2c->clk);
 		return ret;
 	}
@@ -1192,8 +1122,6 @@ static int s3c24xx_i2c_remove(struct platform_device *pdev)
 
 	pm_runtime_disable(&pdev->dev);
 
-	s3c24xx_i2c_deregister_cpufreq(i2c);
-
 	i2c_del_adapter(&i2c->adap);
 
 	return 0;
diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig
index 63f80d747cbd..99cd305b59d9 100644
--- a/drivers/iio/adc/Kconfig
+++ b/drivers/iio/adc/Kconfig
@@ -452,11 +452,11 @@ config EP93XX_ADC
 
 config EXYNOS_ADC
 	tristate "Exynos ADC driver support"
-	depends on ARCH_EXYNOS || ARCH_S3C24XX || ARCH_S3C64XX || ARCH_S5PV210 || (OF && COMPILE_TEST)
+	depends on ARCH_EXYNOS || ARCH_S3C64XX || ARCH_S5PV210 || (OF && COMPILE_TEST)
 	depends on HAS_IOMEM
 	help
-	  Driver for the ADC block found in the Samsung S3C (S3C2410, S3C2416,
-	  S3C2440, S3C2443, S3C6410), S5Pv210 and Exynos SoCs.
+	  Driver for the ADC block found in the Samsung S3C6410, S5Pv210 and
+	  Exynos SoCs.
 	  Choose Y here only if you build for such Samsung SoC.
 
 	  To compile this driver as a module, choose M here: the module will be
diff --git a/drivers/media/platform/samsung/s3c-camif/Kconfig b/drivers/media/platform/samsung/s3c-camif/Kconfig
index 8cb8d1ac3edc..f359f6382fff 100644
--- a/drivers/media/platform/samsung/s3c-camif/Kconfig
+++ b/drivers/media/platform/samsung/s3c-camif/Kconfig
@@ -1,15 +1,15 @@
 # SPDX-License-Identifier: GPL-2.0-only
 config VIDEO_S3C_CAMIF
-	tristate "Samsung S3C24XX/S3C64XX SoC Camera Interface driver"
+	tristate "Samsung 3C64XX SoC Camera Interface driver"
 	depends on V4L_PLATFORM_DRIVERS
 	depends on VIDEO_DEV && I2C && PM
-	depends on ARCH_S3C64XX || PLAT_S3C24XX || COMPILE_TEST
+	depends on ARCH_S3C64XX || COMPILE_TEST
 	select MEDIA_CONTROLLER
 	select VIDEO_V4L2_SUBDEV_API
 	select VIDEOBUF2_DMA_CONTIG
 	help
-	  This is a v4l2 driver for s3c24xx and s3c64xx SoC series camera
-	  host interface (CAMIF).
+	  This is a v4l2 driver for s3c64xx SoC series camera host interface
+	  (CAMIF).
 
 	  To compile this driver as a module, choose M here: the module
 	  will be called s3c-camif.
diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
index 1eaebaef0b3e..1be2884b22fe 100644
--- a/drivers/mmc/host/Kconfig
+++ b/drivers/mmc/host/Kconfig
@@ -321,9 +321,8 @@ config MMC_SDHCI_S3C
 	depends on PLAT_SAMSUNG || ARCH_S5PV210 || ARCH_EXYNOS || COMPILE_TEST
 	help
 	  This selects the Secure Digital Host Controller Interface (SDHCI)
-	  often referrered to as the HSMMC block in some of the Samsung S3C
-	  (S3C2416, S3C2443, S3C6410), S5Pv210 and Exynos (Exynso4210,
-	  Exynos4412) SoCs.
+	  often referrered to as the HSMMC block in some of the Samsung
+	  S3C6410, S5Pv210 and Exynos (Exynso4210, Exynos4412) SoCs.
 
 	  If you have a controller with this interface (thereforeyou build for
 	  such Samsung SoC), say Y or M here.
diff --git a/drivers/mtd/nand/raw/Kconfig b/drivers/mtd/nand/raw/Kconfig
index 98ea1c9e65c8..048b1c8f08ee 100644
--- a/drivers/mtd/nand/raw/Kconfig
+++ b/drivers/mtd/nand/raw/Kconfig
@@ -79,7 +79,7 @@ config MTD_NAND_NDFC
 
 config MTD_NAND_S3C2410
 	tristate "Samsung S3C NAND controller"
-	depends on ARCH_S3C24XX || ARCH_S3C64XX
+	depends on ARCH_S3C64XX
 	help
 	  This enables the NAND flash controller on the S3C24xx and S3C64xx
 	  SoCs
diff --git a/drivers/mtd/nand/raw/s3c2410.c b/drivers/mtd/nand/raw/s3c2410.c
index f0a4535c812a..80d96f94d6cb 100644
--- a/drivers/mtd/nand/raw/s3c2410.c
+++ b/drivers/mtd/nand/raw/s3c2410.c
@@ -166,10 +166,6 @@ struct s3c2410_nand_info {
 	enum s3c_nand_clk_state		clk_state;
 
 	enum s3c_cpu_type		cpu_type;
-
-#ifdef CONFIG_ARM_S3C24XX_CPUFREQ
-	struct notifier_block	freq_transition;
-#endif
 };
 
 struct s3c24XX_nand_devtype_data {
@@ -711,54 +707,6 @@ static void s3c2440_nand_write_buf(struct nand_chip *this, const u_char *buf,
 	}
 }
 
-/* cpufreq driver support */
-
-#ifdef CONFIG_ARM_S3C24XX_CPUFREQ
-
-static int s3c2410_nand_cpufreq_transition(struct notifier_block *nb,
-					  unsigned long val, void *data)
-{
-	struct s3c2410_nand_info *info;
-	unsigned long newclk;
-
-	info = container_of(nb, struct s3c2410_nand_info, freq_transition);
-	newclk = clk_get_rate(info->clk);
-
-	if ((val == CPUFREQ_POSTCHANGE && newclk < info->clk_rate) ||
-	    (val == CPUFREQ_PRECHANGE && newclk > info->clk_rate)) {
-		s3c2410_nand_setrate(info);
-	}
-
-	return 0;
-}
-
-static inline int s3c2410_nand_cpufreq_register(struct s3c2410_nand_info *info)
-{
-	info->freq_transition.notifier_call = s3c2410_nand_cpufreq_transition;
-
-	return cpufreq_register_notifier(&info->freq_transition,
-					 CPUFREQ_TRANSITION_NOTIFIER);
-}
-
-static inline void
-s3c2410_nand_cpufreq_deregister(struct s3c2410_nand_info *info)
-{
-	cpufreq_unregister_notifier(&info->freq_transition,
-				    CPUFREQ_TRANSITION_NOTIFIER);
-}
-
-#else
-static inline int s3c2410_nand_cpufreq_register(struct s3c2410_nand_info *info)
-{
-	return 0;
-}
-
-static inline void
-s3c2410_nand_cpufreq_deregister(struct s3c2410_nand_info *info)
-{
-}
-#endif
-
 /* device management functions */
 
 static int s3c24xx_nand_remove(struct platform_device *pdev)
@@ -768,8 +716,6 @@ static int s3c24xx_nand_remove(struct platform_device *pdev)
 	if (info == NULL)
 		return 0;
 
-	s3c2410_nand_cpufreq_deregister(info);
-
 	/* Release all our mtds  and their partitions, then go through
 	 * freeing the resources used
 	 */
@@ -1184,12 +1130,6 @@ static int s3c24xx_nand_probe(struct platform_device *pdev)
 	if (err != 0)
 		goto exit_error;
 
-	err = s3c2410_nand_cpufreq_register(info);
-	if (err < 0) {
-		dev_err(&pdev->dev, "failed to init cpufreq support\n");
-		goto exit_error;
-	}
-
 	if (allow_clk_suspend(info)) {
 		dev_info(&pdev->dev, "clock idle support enabled\n");
 		s3c2410_nand_clk_set_state(info, CLOCK_SUSPEND);
diff --git a/drivers/pinctrl/samsung/pinctrl-samsung.c b/drivers/pinctrl/samsung/pinctrl-samsung.c
index 5736761927cb..514001e448b9 100644
--- a/drivers/pinctrl/samsung/pinctrl-samsung.c
+++ b/drivers/pinctrl/samsung/pinctrl-samsung.c
@@ -1324,16 +1324,6 @@ static const struct of_device_id samsung_pinctrl_dt_match[] = {
 	{ .compatible = "samsung,s3c64xx-pinctrl",
 		.data = &s3c64xx_of_data },
 #endif
-#ifdef CONFIG_PINCTRL_S3C24XX
-	{ .compatible = "samsung,s3c2412-pinctrl",
-		.data = &s3c2412_of_data },
-	{ .compatible = "samsung,s3c2416-pinctrl",
-		.data = &s3c2416_of_data },
-	{ .compatible = "samsung,s3c2440-pinctrl",
-		.data = &s3c2440_of_data },
-	{ .compatible = "samsung,s3c2450-pinctrl",
-		.data = &s3c2450_of_data },
-#endif
 	{},
 };
 
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 677d2601d305..530b4a94ed42 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -1415,18 +1415,14 @@ config RTC_DRV_OMAP
 
 config RTC_DRV_S3C
 	tristate "Samsung S3C series SoC RTC"
-	depends on ARCH_EXYNOS || ARCH_S3C64XX || ARCH_S3C24XX || ARCH_S5PV210 || \
+	depends on ARCH_EXYNOS || ARCH_S3C64XX || ARCH_S5PV210 || \
 		   COMPILE_TEST
 	help
 	  RTC (Realtime Clock) driver for the clock inbuilt into the
-	  Samsung S3C24XX series of SoCs. This can provide periodic
+	  Samsung S3C64XX series of SoCs. This can provide periodic
 	  interrupt rates from 1Hz to 64Hz for user programs, and
 	  wakeup from Alarm.
 
-	  The driver currently supports the common features on all the
-	  S3C24XX range, such as the S3C2410, S3C2412, S3C2413, S3C2440
-	  and S3C2442.
-
 	  This driver can also be build as a module. If so, the module
 	  will be called rtc-s3c.
 
diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index c55b947f3cdb..ed0672d2d0ef 100644
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -242,23 +242,23 @@ config SERIAL_SAMSUNG
 	select SERIAL_CORE
 	help
 	  Support for the on-chip UARTs on the Samsung
-	  S3C24xx/S3C64xx/S5Pv210/Exynos and Apple M1 SoCs, providing
+	  S3C64xx/S5Pv210/Exynos and Apple M1 SoCs, providing
 	  /dev/ttySAC0, 1 and 2 (note, some machines may not provide all of
 	  these ports, depending on how the serial port pins are configured.
+
 	  Choose Y/M here only if you build for such SoC.
 
 config SERIAL_SAMSUNG_UARTS_4
 	bool
 	depends on SERIAL_SAMSUNG
-	default y if !(CPU_S3C2410 || CPU_S3C2412 || CPU_S3C2440 || CPU_S3C2442)
+	default y
 	help
 	  Internal node for the common case of 4 Samsung compatible UARTs
 
 config SERIAL_SAMSUNG_UARTS
 	int
 	depends on SERIAL_SAMSUNG
-	default 4 if SERIAL_SAMSUNG_UARTS_4 || CPU_S3C2416
-	default 3
+	default 4
 	help
 	  Select the number of available UART ports for the Samsung S3C
 	  serial driver
diff --git a/drivers/tty/serial/samsung_tty.c b/drivers/tty/serial/samsung_tty.c
index 0fce856434da..2a7520ad3abd 100644
--- a/drivers/tty/serial/samsung_tty.c
+++ b/drivers/tty/serial/samsung_tty.c
@@ -152,10 +152,6 @@ struct s3c24xx_uart_port {
 	const struct s3c2410_uartcfg	*cfg;
 
 	struct s3c24xx_uart_dma		*dma;
-
-#ifdef CONFIG_ARM_S3C24XX_CPUFREQ
-	struct notifier_block		freq_transition;
-#endif
 };
 
 static void s3c24xx_serial_tx_chars(struct s3c24xx_uart_port *ourport);
@@ -1855,93 +1851,6 @@ static void s3c24xx_serial_resetport(struct uart_port *port,
 	udelay(1);
 }
 
-#ifdef CONFIG_ARM_S3C24XX_CPUFREQ
-
-static int s3c24xx_serial_cpufreq_transition(struct notifier_block *nb,
-					     unsigned long val, void *data)
-{
-	struct s3c24xx_uart_port *port;
-	struct uart_port *uport;
-
-	port = container_of(nb, struct s3c24xx_uart_port, freq_transition);
-	uport = &port->port;
-
-	/* check to see if port is enabled */
-
-	if (port->pm_level != 0)
-		return 0;
-
-	/* try and work out if the baudrate is changing, we can detect
-	 * a change in rate, but we do not have support for detecting
-	 * a disturbance in the clock-rate over the change.
-	 */
-
-	if (IS_ERR(port->baudclk))
-		goto exit;
-
-	if (port->baudclk_rate == clk_get_rate(port->baudclk))
-		goto exit;
-
-	if (val == CPUFREQ_PRECHANGE) {
-		/* we should really shut the port down whilst the
-		 * frequency change is in progress.
-		 */
-
-	} else if (val == CPUFREQ_POSTCHANGE) {
-		struct ktermios *termios;
-		struct tty_struct *tty;
-
-		if (uport->state == NULL)
-			goto exit;
-
-		tty = uport->state->port.tty;
-
-		if (tty == NULL)
-			goto exit;
-
-		termios = &tty->termios;
-
-		if (termios == NULL) {
-			dev_warn(uport->dev, "%s: no termios?\n", __func__);
-			goto exit;
-		}
-
-		s3c24xx_serial_set_termios(uport, termios, NULL);
-	}
-
-exit:
-	return 0;
-}
-
-static inline int
-s3c24xx_serial_cpufreq_register(struct s3c24xx_uart_port *port)
-{
-	port->freq_transition.notifier_call = s3c24xx_serial_cpufreq_transition;
-
-	return cpufreq_register_notifier(&port->freq_transition,
-					 CPUFREQ_TRANSITION_NOTIFIER);
-}
-
-static inline void
-s3c24xx_serial_cpufreq_deregister(struct s3c24xx_uart_port *port)
-{
-	cpufreq_unregister_notifier(&port->freq_transition,
-				    CPUFREQ_TRANSITION_NOTIFIER);
-}
-
-#else
-static inline int
-s3c24xx_serial_cpufreq_register(struct s3c24xx_uart_port *port)
-{
-	return 0;
-}
-
-static inline void
-s3c24xx_serial_cpufreq_deregister(struct s3c24xx_uart_port *port)
-{
-}
-#endif
-
 static int s3c24xx_serial_enable_baudclk(struct s3c24xx_uart_port *ourport)
 {
 	struct device *dev = ourport->port.dev;
@@ -2233,10 +2142,6 @@ static int s3c24xx_serial_probe(struct platform_device *pdev)
 	if (!IS_ERR(ourport->baudclk))
 		clk_disable_unprepare(ourport->baudclk);
 
-	ret = s3c24xx_serial_cpufreq_register(ourport);
-	if (ret < 0)
-		dev_err(&pdev->dev, "failed to add cpufreq notifier\n");
-
 	probe_index++;
 
 	return 0;
@@ -2247,7 +2152,6 @@ static int s3c24xx_serial_remove(struct platform_device *dev)
 	struct uart_port *port = s3c24xx_dev_to_port(&dev->dev);
 
 	if (port) {
-		s3c24xx_serial_cpufreq_deregister(to_ourport(port));
 		uart_remove_one_port(&s3c24xx_uart_drv, port);
 	}
 
@@ -2585,94 +2489,6 @@ static struct console s3c24xx_serial_console = {
 };
 #endif /* CONFIG_SERIAL_SAMSUNG_CONSOLE */
 
-#ifdef CONFIG_CPU_S3C2410
-static const struct s3c24xx_serial_drv_data s3c2410_serial_drv_data = {
-	.info = {
-		.name		= "Samsung S3C2410 UART",
-		.type		= TYPE_S3C24XX,
-		.port_type	= PORT_S3C2410,
-		.fifosize	= 16,
-		.rx_fifomask	= S3C2410_UFSTAT_RXMASK,
-		.rx_fifoshift	= S3C2410_UFSTAT_RXSHIFT,
-		.rx_fifofull	= S3C2410_UFSTAT_RXFULL,
-		.tx_fifofull	= S3C2410_UFSTAT_TXFULL,
-		.tx_fifomask	= S3C2410_UFSTAT_TXMASK,
-		.tx_fifoshift	= S3C2410_UFSTAT_TXSHIFT,
-		.def_clk_sel	= S3C2410_UCON_CLKSEL0,
-		.num_clks	= 2,
-		.clksel_mask	= S3C2410_UCON_CLKMASK,
-		.clksel_shift	= S3C2410_UCON_CLKSHIFT,
-	},
-	.def_cfg = {
-		.ucon		= S3C2410_UCON_DEFAULT,
-		.ufcon		= S3C2410_UFCON_DEFAULT,
-	},
-};
-#define S3C2410_SERIAL_DRV_DATA (&s3c2410_serial_drv_data)
-#else
-#define S3C2410_SERIAL_DRV_DATA NULL
-#endif
-
-#ifdef CONFIG_CPU_S3C2412
-static const struct s3c24xx_serial_drv_data s3c2412_serial_drv_data = {
-	.info = {
-		.name		= "Samsung S3C2412 UART",
-		.type		= TYPE_S3C24XX,
-		.port_type	= PORT_S3C2412,
-		.fifosize	= 64,
-		.has_divslot	= 1,
-		.rx_fifomask	= S3C2440_UFSTAT_RXMASK,
-		.rx_fifoshift	= S3C2440_UFSTAT_RXSHIFT,
-		.rx_fifofull	= S3C2440_UFSTAT_RXFULL,
-		.tx_fifofull	= S3C2440_UFSTAT_TXFULL,
-		.tx_fifomask	= S3C2440_UFSTAT_TXMASK,
-		.tx_fifoshift	= S3C2440_UFSTAT_TXSHIFT,
-		.def_clk_sel	= S3C2410_UCON_CLKSEL2,
-		.num_clks	= 4,
-		.clksel_mask	= S3C2412_UCON_CLKMASK,
-		.clksel_shift	= S3C2412_UCON_CLKSHIFT,
-	},
-	.def_cfg = {
-		.ucon		= S3C2410_UCON_DEFAULT,
-		.ufcon		= S3C2410_UFCON_DEFAULT,
-	},
-};
-#define S3C2412_SERIAL_DRV_DATA (&s3c2412_serial_drv_data)
-#else
-#define S3C2412_SERIAL_DRV_DATA NULL
-#endif
-
-#if defined(CONFIG_CPU_S3C2440) || defined(CONFIG_CPU_S3C2416) || \
-	defined(CONFIG_CPU_S3C2443) || defined(CONFIG_CPU_S3C2442)
-static const struct s3c24xx_serial_drv_data s3c2440_serial_drv_data = {
-	.info = {
-		.name		= "Samsung S3C2440 UART",
-		.type		= TYPE_S3C24XX,
-		.port_type	= PORT_S3C2440,
-		.fifosize	= 64,
-		.has_divslot	= 1,
-		.rx_fifomask	= S3C2440_UFSTAT_RXMASK,
-		.rx_fifoshift	= S3C2440_UFSTAT_RXSHIFT,
-		.rx_fifofull	= S3C2440_UFSTAT_RXFULL,
-		.tx_fifofull	= S3C2440_UFSTAT_TXFULL,
-		.tx_fifomask	= S3C2440_UFSTAT_TXMASK,
-		.tx_fifoshift	= S3C2440_UFSTAT_TXSHIFT,
-		.def_clk_sel	= S3C2410_UCON_CLKSEL2,
-		.num_clks	= 4,
-		.clksel_mask	= S3C2412_UCON_CLKMASK,
-		.clksel_shift	= S3C2412_UCON_CLKSHIFT,
-		.ucon_mask	= S3C2440_UCON0_DIVMASK,
-	},
-	.def_cfg = {
-		.ucon		= S3C2410_UCON_DEFAULT,
-		.ufcon		= S3C2410_UFCON_DEFAULT,
-	},
-};
-#define S3C2440_SERIAL_DRV_DATA (&s3c2440_serial_drv_data)
-#else
-#define S3C2440_SERIAL_DRV_DATA NULL
-#endif
-
 #if defined(CONFIG_CPU_S3C6400) || defined(CONFIG_CPU_S3C6410)
 static const struct s3c24xx_serial_drv_data s3c6400_serial_drv_data = {
 	.info = {
@@ -2841,15 +2657,6 @@ static const struct s3c24xx_serial_drv_data artpec8_serial_drv_data = {
 
 static const struct platform_device_id s3c24xx_serial_driver_ids[] = {
 	{
-		.name		= "s3c2410-uart",
-		.driver_data	= (kernel_ulong_t)S3C2410_SERIAL_DRV_DATA,
-	}, {
-		.name		= "s3c2412-uart",
-		.driver_data	= (kernel_ulong_t)S3C2412_SERIAL_DRV_DATA,
-	}, {
-		.name		= "s3c2440-uart",
-		.driver_data	= (kernel_ulong_t)S3C2440_SERIAL_DRV_DATA,
-	}, {
 		.name		= "s3c6400-uart",
 		.driver_data	= (kernel_ulong_t)S3C6400_SERIAL_DRV_DATA,
 	}, {
@@ -2877,12 +2684,6 @@ MODULE_DEVICE_TABLE(platform, s3c24xx_serial_driver_ids);
 
 #ifdef CONFIG_OF
 static const struct of_device_id s3c24xx_uart_dt_match[] = {
-	{ .compatible = "samsung,s3c2410-uart",
-		.data = S3C2410_SERIAL_DRV_DATA },
-	{ .compatible = "samsung,s3c2412-uart",
-		.data = S3C2412_SERIAL_DRV_DATA },
-	{ .compatible = "samsung,s3c2440-uart",
-		.data = S3C2440_SERIAL_DRV_DATA },
 	{ .compatible = "samsung,s3c6400-uart",
 		.data = S3C6400_SERIAL_DRV_DATA },
 	{ .compatible = "samsung,s5pv210-uart",
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index d81692cc2990..a97923897c8e 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -431,12 +431,12 @@ config USB_OHCI_HCD_STI
 	  STMicroelectronics consumer electronics SoC's.
 
 config USB_OHCI_HCD_S3C2410
-	tristate "OHCI support for Samsung S3C24xx/S3C64xx SoC series"
-	depends on USB_OHCI_HCD && (ARCH_S3C24XX || ARCH_S3C64XX || COMPILE_TEST)
-	default y if (ARCH_S3C24XX || ARCH_S3C64XX)
+	tristate "OHCI support for Samsung S3C64xx SoC series"
+	depends on USB_OHCI_HCD && (ARCH_S3C64XX || COMPILE_TEST)
+	default ARCH_S3C64XX
 	help
 	  Enables support for the on-chip OHCI controller on
-	  S3C24xx/S3C64xx chips.
+	  S3C64xx chips.
 
 config USB_OHCI_HCD_LPC32XX
 	tristate "Support for LPC on-chip OHCI USB controller"
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index 0bc40b763b06..5de74686f12b 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -491,14 +491,13 @@ config IXP4XX_WATCHDOG
 	  Say N if you are unsure.
 
 config S3C2410_WATCHDOG
-	tristate "S3C2410 Watchdog"
-	depends on ARCH_S3C24XX || ARCH_S3C64XX || ARCH_S5PV210 || ARCH_EXYNOS || \
-		   COMPILE_TEST
+	tristate "S3C6410/S5Pv210/Exynos Watchdog"
+	depends on ARCH_S3C64XX || ARCH_S5PV210 || ARCH_EXYNOS || COMPILE_TEST
 	select WATCHDOG_CORE
 	select MFD_SYSCON if ARCH_EXYNOS
 	help
-	  Watchdog timer block in the Samsung S3C24xx, S3C64xx, S5Pv210 and
-	  Exynos SoCs. This will reboot the system when the timer expires with
+	  Watchdog timer block in the Samsung S3C64xx, S5Pv210 and Exynos
+	  SoCs. This will reboot the system when the timer expires with
 	  the watchdog enabled.
 
 	  The driver is limited by the speed of the system's PCLK
diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c
index d3fc8ed886ff..200ba236a72e 100644
--- a/drivers/watchdog/s3c2410_wdt.c
+++ b/drivers/watchdog/s3c2410_wdt.c
@@ -562,73 +562,6 @@ static irqreturn_t s3c2410wdt_irq(int irqno, void *param)
 	return IRQ_HANDLED;
 }
 
-#ifdef CONFIG_ARM_S3C24XX_CPUFREQ
-
-static int s3c2410wdt_cpufreq_transition(struct notifier_block *nb,
-					  unsigned long val, void *data)
-{
-	int ret;
-	struct s3c2410_wdt *wdt = freq_to_wdt(nb);
-
-	if (!s3c2410wdt_is_running(wdt))
-		goto done;
-
-	if (val == CPUFREQ_PRECHANGE) {
-		/* To ensure that over the change we don't cause the
-		 * watchdog to trigger, we perform an keep-alive if
-		 * the watchdog is running.
-		 */
-
-		s3c2410wdt_keepalive(&wdt->wdt_device);
-	} else if (val == CPUFREQ_POSTCHANGE) {
-		s3c2410wdt_stop(&wdt->wdt_device);
-
-		ret = s3c2410wdt_set_heartbeat(&wdt->wdt_device,
-						wdt->wdt_device.timeout);
-
-		if (ret >= 0)
-			s3c2410wdt_start(&wdt->wdt_device);
-		else
-			goto err;
-	}
-
-done:
-	return 0;
-
- err:
-	dev_err(wdt->dev, "cannot set new value for timeout %d\n",
-				wdt->wdt_device.timeout);
-	return ret;
-}
-
-static inline int s3c2410wdt_cpufreq_register(struct s3c2410_wdt *wdt)
-{
-	wdt->freq_transition.notifier_call = s3c2410wdt_cpufreq_transition;
-
-	return cpufreq_register_notifier(&wdt->freq_transition,
-					 CPUFREQ_TRANSITION_NOTIFIER);
-}
-
-static inline void s3c2410wdt_cpufreq_deregister(struct s3c2410_wdt *wdt)
-{
-	wdt->freq_transition.notifier_call = s3c2410wdt_cpufreq_transition;
-
-	cpufreq_unregister_notifier(&wdt->freq_transition,
-				    CPUFREQ_TRANSITION_NOTIFIER);
-}
-
-#else
-
-static inline int s3c2410wdt_cpufreq_register(struct s3c2410_wdt *wdt)
-{
-	return 0;
-}
-
-static inline void s3c2410wdt_cpufreq_deregister(struct s3c2410_wdt *wdt)
-{
-}
-#endif
-
 static inline unsigned int s3c2410wdt_get_bootstatus(struct s3c2410_wdt *wdt)
 {
 	unsigned int rst_stat;
@@ -761,12 +694,6 @@ static int s3c2410wdt_probe(struct platform_device *pdev)
 	wdt->wdt_device.min_timeout = 1;
 	wdt->wdt_device.max_timeout = s3c2410wdt_max_timeout(wdt);
 
-	ret = s3c2410wdt_cpufreq_register(wdt);
-	if (ret < 0) {
-		dev_err(dev, "failed to register cpufreq\n");
-		goto err_src_clk;
-	}
-
 	watchdog_set_drvdata(&wdt->wdt_device, wdt);
 
 	/* see if we can actually set the requested timer margin, and if
@@ -783,7 +710,7 @@ static int s3c2410wdt_probe(struct platform_device *pdev)
 				 S3C2410_WATCHDOG_DEFAULT_TIME);
 		} else {
 			dev_err(dev, "failed to use default timeout\n");
-			goto err_cpufreq;
+			goto err_src_clk;
 		}
 	}
 
@@ -791,7 +718,7 @@ static int s3c2410wdt_probe(struct platform_device *pdev)
 			       pdev->name, pdev);
 	if (ret != 0) {
 		dev_err(dev, "failed to install irq (%d)\n", ret);
-		goto err_cpufreq;
+		goto err_src_clk;
 	}
 
 	watchdog_set_nowayout(&wdt->wdt_device, nowayout);
@@ -817,7 +744,7 @@ static int s3c2410wdt_probe(struct platform_device *pdev)
 
 	ret = watchdog_register_device(&wdt->wdt_device);
 	if (ret)
-		goto err_cpufreq;
+		goto err_src_clk;
 
 	ret = s3c2410wdt_enable(wdt, true);
 	if (ret < 0)
@@ -839,9 +766,6 @@ static int s3c2410wdt_probe(struct platform_device *pdev)
  err_unregister:
 	watchdog_unregister_device(&wdt->wdt_device);
 
- err_cpufreq:
-	s3c2410wdt_cpufreq_deregister(wdt);
-
  err_src_clk:
 	clk_disable_unprepare(wdt->src_clk);
 
@@ -862,8 +786,6 @@ static int s3c2410wdt_remove(struct platform_device *dev)
 
 	watchdog_unregister_device(&wdt->wdt_device);
 
-	s3c2410wdt_cpufreq_deregister(wdt);
-
 	clk_disable_unprepare(wdt->src_clk);
 	clk_disable_unprepare(wdt->bus_clk);