ARM: S3C24XX: remove unused gpio codes

Cc: Ben Dooks <ben-linux@fluff.org>
[kgene.kim@samsung.com: fix build error]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/mach-s3c2410/Kconfig

@@ -8,7 +8,6 @@ config CPU_S3C2410
 	select CPU_ARM920T
 	select S3C_GPIO_PULL_UP
 	select S3C2410_CLOCK
-	select S3C2410_GPIO
 	select CPU_LLSERIAL_S3C2410
 	select S3C2410_PM if PM
 	select S3C2410_CPUFREQ if CPU_FREQ_S3C24XX
@@ -28,11 +27,6 @@ config S3C2410_PM
 	help
 	  Power Management code common to S3C2410 and better
 
-config S3C2410_GPIO
-	bool
-	help
-	  GPIO code for S3C2410 and similar processors
-
 config SIMTEC_NOR
 	bool
 	help

arch/arm/mach-s3c2410/Makefile

@@ -13,7 +13,6 @@ obj-$(CONFIG_CPU_S3C2410)	+= s3c2410.o
 obj-$(CONFIG_CPU_S3C2410_DMA)	+= dma.o
 obj-$(CONFIG_CPU_S3C2410_DMA)	+= dma.o
 obj-$(CONFIG_S3C2410_PM)	+= pm.o sleep.o
-obj-$(CONFIG_S3C2410_GPIO)	+= gpio.o
 obj-$(CONFIG_S3C2410_CPUFREQ)	+= cpu-freq.o
 obj-$(CONFIG_S3C2410_PLLTABLE)	+= pll.o
 

arch/arm/mach-s3c2410/gpio.c

@@ -1,72 +0,0 @@
-/* linux/arch/arm/mach-s3c2410/gpio.c
- *
- * Copyright (c) 2004-2006 Simtec Electronics
- *	Ben Dooks <ben@simtec.co.uk>
- *
- * S3C2410 GPIO support
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/interrupt.h>
-#include <linux/ioport.h>
-#include <linux/io.h>
-
-#include <mach/hardware.h>
-#include <mach/gpio-fns.h>
-#include <asm/irq.h>
-
-#include <mach/regs-gpio.h>
-
-int s3c2410_gpio_irqfilter(unsigned int pin, unsigned int on,
-			   unsigned int config)
-{
-	void __iomem *reg = S3C24XX_EINFLT0;
-	unsigned long flags;
-	unsigned long val;
-
-	if (pin < S3C2410_GPG(8) || pin > S3C2410_GPG(15))
-		return -EINVAL;
-
-	config &= 0xff;
-
-	pin -= S3C2410_GPG(8);
-	reg += pin & ~3;
-
-	local_irq_save(flags);
-
-	/* update filter width and clock source */
-
-	val = __raw_readl(reg);
-	val &= ~(0xff << ((pin & 3) * 8));
-	val |= config << ((pin & 3) * 8);
-	__raw_writel(val, reg);
-
-	/* update filter enable */
-
-	val = __raw_readl(S3C24XX_EXTINT2);
-	val &= ~(1 << ((pin * 4) + 3));
-	val |= on << ((pin * 4) + 3);
-	__raw_writel(val, S3C24XX_EXTINT2);
-
-	local_irq_restore(flags);
-
-	return 0;
-}
-
-EXPORT_SYMBOL(s3c2410_gpio_irqfilter);

arch/arm/mach-s3c2412/Kconfig

@@ -9,7 +9,6 @@ config CPU_S3C2412
 	select CPU_LLSERIAL_S3C2440
 	select S3C2412_PM if PM
 	select S3C2412_DMA if S3C2410_DMA
-	select S3C2410_GPIO
 	help
 	  Support for the S3C2412 and S3C2413 SoCs from the S3C24XX line
 

arch/arm/mach-s3c2412/Makefile

@@ -12,7 +12,6 @@ obj-				:=
 obj-$(CONFIG_CPU_S3C2412)	+= s3c2412.o
 obj-$(CONFIG_CPU_S3C2412)	+= irq.o
 obj-$(CONFIG_CPU_S3C2412)	+= clock.o
-obj-$(CONFIG_CPU_S3C2412)	+= gpio.o
 obj-$(CONFIG_S3C2412_DMA)	+= dma.o
 obj-$(CONFIG_S3C2412_PM)	+= pm.o
 obj-$(CONFIG_S3C2412_PM_SLEEP)	+= sleep.o

arch/arm/mach-s3c2412/gpio.c

@@ -1,62 +0,0 @@
-/* linux/arch/arm/mach-s3c2412/gpio.c
- *
- * Copyright (c) 2007 Simtec Electronics
- *	Ben Dooks <ben@simtec.co.uk>
- *
- * http://armlinux.simtec.co.uk/.
- *
- * S3C2412/S3C2413 specific GPIO 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.
-*/
-
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/module.h>
-#include <linux/interrupt.h>
-#include <linux/gpio.h>
-
-#include <asm/mach/arch.h>
-#include <asm/mach/map.h>
-
-#include <mach/regs-gpio.h>
-#include <mach/hardware.h>
-
-#include <plat/gpio-core.h>
-
-int s3c2412_gpio_set_sleepcfg(unsigned int pin, unsigned int state)
-{
-	struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin);
-	unsigned long offs = pin - chip->chip.base;
-	unsigned long flags;
-	unsigned long slpcon;
-
-	offs *= 2;
-
-	if (pin < S3C2410_GPB(0))
-		return -EINVAL;
-
-	if (pin >= S3C2410_GPF(0) &&
-	    pin <= S3C2410_GPG(16))
-		return -EINVAL;
-
-	if (pin > S3C2410_GPH(16))
-		return -EINVAL;
-
-	local_irq_save(flags);
-
-	slpcon = __raw_readl(chip->base + 0x0C);
-
-	slpcon &= ~(3 << offs);
-	slpcon |= state << offs;
-
-	__raw_writel(slpcon, chip->base + 0x0C);
-
-	local_irq_restore(flags);
-
-	return 0;
-}
-
-EXPORT_SYMBOL(s3c2412_gpio_set_sleepcfg);

arch/arm/mach-s3c2440/Kconfig

@@ -8,7 +8,6 @@ config CPU_S3C2440
 	select S3C_GPIO_PULL_UP
 	select S3C2410_CLOCK
 	select S3C2410_PM if PM
-	select S3C2410_GPIO
 	select S3C2440_DMA if S3C2410_DMA
 	select CPU_S3C244X
 	select CPU_LLSERIAL_S3C2440
@@ -20,7 +19,6 @@ config CPU_S3C2442
 	select CPU_ARM920T
 	select S3C_GPIO_PULL_DOWN
 	select S3C2410_CLOCK
-	select S3C2410_GPIO
 	select S3C2410_PM if PM
 	select CPU_S3C244X
 	select CPU_LLSERIAL_S3C2440