ARM: SAMSUNG: Remove pwm-clock infrastructure

Since all the used PWM prescalers and dividers configuration has been
moved to appropriate drivers, the pwm-clock infrastructure is now
unused and so this patch removes it.
Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Mark Brown <broonie@linaro.org>
Tested-by: Sylwester Nawrocki <sylvester.nawrocki@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>

arch/arm/mach-s3c24xx/clock-s3c2410.c

@@ -281,6 +281,5 @@ int __init s3c2410_baseclk_add(void)
 	       (clkslow & S3C2410_CLKSLOW_MPLL_OFF) ? "off" : "on",
 	       (clkslow & S3C2410_CLKSLOW_UCLK_OFF) ? "off" : "on");
 
-	s3c_pwmclk_init();
 	return 0;
 }

arch/arm/mach-s3c24xx/clock-s3c2412.c

@@ -757,6 +757,5 @@ int __init s3c2412_baseclk_add(void)
 	}
 
 	clkdev_add_table(s3c2412_clk_lookup, ARRAY_SIZE(s3c2412_clk_lookup));
-	s3c_pwmclk_init();
 	return 0;
 }

arch/arm/mach-s3c24xx/clock-s3c2416.c

@@ -168,6 +168,4 @@ void __init s3c2416_init_clocks(int xtal)
 	s3c24xx_register_clock(&hsmmc0_clk);
 	clkdev_add_table(s3c2416_clk_lookup, ARRAY_SIZE(s3c2416_clk_lookup));
 
-	s3c_pwmclk_init();
-
 }

arch/arm/mach-s3c24xx/clock-s3c2443.c

@@ -209,6 +209,4 @@ void __init s3c2443_init_clocks(int xtal)
 	s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
 	s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
 	clkdev_add_table(s3c2443_clk_lookup, ARRAY_SIZE(s3c2443_clk_lookup));
-
-	s3c_pwmclk_init();
 }

arch/arm/mach-s3c64xx/clock.c

@@ -1004,6 +1004,4 @@ void __init s3c64xx_register_clocks(unsigned long xtal,
 	for (cnt = 0; cnt < ARRAY_SIZE(clksrc_cdev); cnt++)
 		s3c_register_clksrc(clksrc_cdev[cnt], 1);
 	clkdev_add_table(s3c64xx_clk_lookup, ARRAY_SIZE(s3c64xx_clk_lookup));
-
-	s3c_pwmclk_init();
 }

arch/arm/mach-s5p64x0/clock-s5p6440.c

@@ -629,6 +629,4 @@ void __init s5p6440_register_clocks(void)
 	clkdev_add_table(s5p6440_clk_lookup, ARRAY_SIZE(s5p6440_clk_lookup));
 
 	s3c24xx_register_clock(&dummy_apb_pclk);
-
-	s3c_pwmclk_init();
 }

arch/arm/mach-s5p64x0/clock-s5p6450.c

@@ -698,6 +698,4 @@ void __init s5p6450_register_clocks(void)
 	clkdev_add_table(s5p6450_clk_lookup, ARRAY_SIZE(s5p6450_clk_lookup));
 
 	s3c24xx_register_clock(&dummy_apb_pclk);
-
-	s3c_pwmclk_init();
 }

arch/arm/mach-s5pc100/clock.c

@@ -1358,6 +1358,4 @@ void __init s5pc100_register_clocks(void)
 		s3c_disable_clocks(clk_cdev[ptr], 1);
 
 	s3c24xx_register_clock(&dummy_apb_pclk);
-
-	s3c_pwmclk_init();
 }

arch/arm/mach-s5pv210/clock.c

@@ -1362,5 +1362,4 @@ void __init s5pv210_register_clocks(void)
 	for (ptr = 0; ptr < ARRAY_SIZE(clk_cdev); ptr++)
 		s3c_disable_clocks(clk_cdev[ptr], 1);
 
-	s3c_pwmclk_init();
 }

arch/arm/plat-samsung/Makefile

@@ -14,7 +14,6 @@ obj-				:=
 obj-y				+= init.o cpu.o
 
 obj-$(CONFIG_SAMSUNG_CLOCK)	+= clock.o
-obj-$(CONFIG_SAMSUNG_CLOCK)	+= pwm-clock.o
 
 obj-$(CONFIG_SAMSUNG_CLKSRC)	+= clock-clksrc.o
 obj-$(CONFIG_S5P_CLOCK)		+= s5p-clock.o

arch/arm/plat-samsung/include/plat/clock.h

@@ -145,10 +145,6 @@ extern int s3c2443_clkcon_enable_s(struct clk *clk, int enable);
 
 extern int s3c64xx_sclk_ctrl(struct clk *clk, int enable);
 
-/* Init for pwm clock code */
-
-extern void s3c_pwmclk_init(void);
-
 /* Global watchdog clock used by arch_wtd_reset() callback */
 
 extern struct clk *s3c2410_wdtclk;

arch/arm/plat-samsung/include/plat/pwm-clock.h

-/* linux/arch/arm/plat-samsung/include/plat/pwm-clock.h
- *
- * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com
- *
- * Copyright 2008 Openmoko, Inc.
- * Copyright 2008 Simtec Electronics
- *      Ben Dooks <ben@simtec.co.uk>
- *      http://armlinux.simtec.co.uk/
- *
- * SAMSUNG - pwm clock and timer support
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#ifndef __ASM_PLAT_PWM_CLOCK_H
-#define __ASM_PLAT_PWM_CLOCK_H __FILE__
-
-/**
- * pwm_cfg_src_is_tclk() - return whether the given mux config is a tclk
- * @tcfg: The timer TCFG1 register bits shifted down to 0.
- *
- * Return true if the given configuration from TCFG1 is a TCLK instead
- * any of the TDIV clocks.
- */
-static inline int pwm_cfg_src_is_tclk(unsigned long tcfg)
-{
-	if (soc_is_s3c24xx())
-		return tcfg == S3C2410_TCFG1_MUX_TCLK;
-	else if (soc_is_s3c64xx() || soc_is_s5pc100())
-		return tcfg >= S3C64XX_TCFG1_MUX_TCLK;
-	else if (soc_is_s5p6440() || soc_is_s5p6450())
-		return 0;
-	else
-		return tcfg == S3C64XX_TCFG1_MUX_TCLK;
-}
-
-/**
- * tcfg_to_divisor() - convert tcfg1 setting to a divisor
- * @tcfg1: The tcfg1 setting, shifted down.
- *
- * Get the divisor value for the given tcfg1 setting. We assume the
- * caller has already checked to see if this is not a TCLK source.
- */
-static inline unsigned long tcfg_to_divisor(unsigned long tcfg1)
-{
-	if (soc_is_s3c24xx())
-		return 1 << (tcfg1 + 1);
-	else
-		return 1 << tcfg1;
-}
-
-/**
- * pwm_tdiv_has_div1() - does the tdiv setting have a /1
- *
- * Return true if we have a /1 in the tdiv setting.
- */
-static inline unsigned int pwm_tdiv_has_div1(void)
-{
-	if (soc_is_s3c24xx())
-		return 0;
-	else
-		return 1;
-}
-
-/**
- * pwm_tdiv_div_bits() - calculate TCFG1 divisor value.
- * @div: The divisor to calculate the bit information for.
- *
- * Turn a divisor into the necessary bit field for TCFG1.
- */
-static inline unsigned long pwm_tdiv_div_bits(unsigned int div)
-{
-	if (soc_is_s3c24xx())
-		return ilog2(div) - 1;
-	else
-		return ilog2(div);
-}
-#endif /* __ASM_PLAT_PWM_CLOCK_H */