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x86, rdc321x: remove/move leftover files
Impact: cleanup Move/remove leftover RDC321 files. Now that it's not a subarch anymore, arch/x86/mach-rdc321x and arch/x86/include/asm/mach-rdc321x/ are not needed. One include file was still in use: rdc321x_defs.h, move that to the generic x86 asm header directory. Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Ingo Molnar
parent
f3b8436ad9
commit
5662a2f8e7
6 changed files with 1 additions and 329 deletions
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@ -1,60 +0,0 @@
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#ifndef _ASM_X86_MACH_RDC321X_GPIO_H
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#define _ASM_X86_MACH_RDC321X_GPIO_H
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#include <linux/kernel.h>
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extern int rdc_gpio_get_value(unsigned gpio);
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extern void rdc_gpio_set_value(unsigned gpio, int value);
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extern int rdc_gpio_direction_input(unsigned gpio);
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extern int rdc_gpio_direction_output(unsigned gpio, int value);
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extern int rdc_gpio_request(unsigned gpio, const char *label);
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extern void rdc_gpio_free(unsigned gpio);
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extern void __init rdc321x_gpio_setup(void);
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/* Wrappers for the arch-neutral GPIO API */
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static inline int gpio_request(unsigned gpio, const char *label)
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{
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return rdc_gpio_request(gpio, label);
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}
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static inline void gpio_free(unsigned gpio)
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{
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might_sleep();
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rdc_gpio_free(gpio);
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}
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static inline int gpio_direction_input(unsigned gpio)
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{
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return rdc_gpio_direction_input(gpio);
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}
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static inline int gpio_direction_output(unsigned gpio, int value)
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{
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return rdc_gpio_direction_output(gpio, value);
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}
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static inline int gpio_get_value(unsigned gpio)
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{
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return rdc_gpio_get_value(gpio);
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}
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static inline void gpio_set_value(unsigned gpio, int value)
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{
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rdc_gpio_set_value(gpio, value);
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}
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static inline int gpio_to_irq(unsigned gpio)
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{
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return gpio;
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}
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static inline int irq_to_gpio(unsigned irq)
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{
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return irq;
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}
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/* For cansleep */
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#include <asm-generic/gpio.h>
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#endif /* _ASM_X86_MACH_RDC321X_GPIO_H */
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@ -1,5 +0,0 @@
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#
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# Makefile for the RDC321x specific parts of the kernel
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#
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obj-$(CONFIG_X86_RDC321X) := gpio.o platform.o
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@ -1,194 +0,0 @@
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/*
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* GPIO support for RDC SoC R3210/R8610
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*
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* Copyright (C) 2007, Florian Fainelli <florian@openwrt.org>
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* Copyright (C) 2008, Volker Weiss <dev@tintuc.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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#include <linux/spinlock.h>
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#include <linux/io.h>
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#include <linux/types.h>
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#include <linux/module.h>
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#include <asm/gpio.h>
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#include <asm/mach-rdc321x/rdc321x_defs.h>
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/* spin lock to protect our private copy of GPIO data register plus
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the access to PCI conf registers. */
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static DEFINE_SPINLOCK(gpio_lock);
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/* copy of GPIO data registers */
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static u32 gpio_data_reg1;
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static u32 gpio_data_reg2;
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static u32 gpio_request_data[2];
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static inline void rdc321x_conf_write(unsigned addr, u32 value)
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{
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outl((1 << 31) | (7 << 11) | addr, RDC3210_CFGREG_ADDR);
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outl(value, RDC3210_CFGREG_DATA);
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}
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static inline void rdc321x_conf_or(unsigned addr, u32 value)
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{
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outl((1 << 31) | (7 << 11) | addr, RDC3210_CFGREG_ADDR);
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value |= inl(RDC3210_CFGREG_DATA);
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outl(value, RDC3210_CFGREG_DATA);
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}
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static inline u32 rdc321x_conf_read(unsigned addr)
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{
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outl((1 << 31) | (7 << 11) | addr, RDC3210_CFGREG_ADDR);
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return inl(RDC3210_CFGREG_DATA);
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}
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/* configure pin as GPIO */
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static void rdc321x_configure_gpio(unsigned gpio)
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{
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unsigned long flags;
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spin_lock_irqsave(&gpio_lock, flags);
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rdc321x_conf_or(gpio < 32
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? RDC321X_GPIO_CTRL_REG1 : RDC321X_GPIO_CTRL_REG2,
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1 << (gpio & 0x1f));
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spin_unlock_irqrestore(&gpio_lock, flags);
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}
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/* initially setup the 2 copies of the gpio data registers.
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This function must be called by the platform setup code. */
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void __init rdc321x_gpio_setup()
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{
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/* this might not be, what others (BIOS, bootloader, etc.)
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wrote to these registers before, but it's a good guess. Still
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better than just using 0xffffffff. */
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gpio_data_reg1 = rdc321x_conf_read(RDC321X_GPIO_DATA_REG1);
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gpio_data_reg2 = rdc321x_conf_read(RDC321X_GPIO_DATA_REG2);
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}
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/* determine, if gpio number is valid */
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static inline int rdc321x_is_gpio(unsigned gpio)
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{
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return gpio <= RDC321X_MAX_GPIO;
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}
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/* request GPIO */
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int rdc_gpio_request(unsigned gpio, const char *label)
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{
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unsigned long flags;
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if (!rdc321x_is_gpio(gpio))
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return -EINVAL;
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spin_lock_irqsave(&gpio_lock, flags);
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if (gpio_request_data[(gpio & 0x20) ? 1 : 0] & (1 << (gpio & 0x1f)))
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goto inuse;
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gpio_request_data[(gpio & 0x20) ? 1 : 0] |= (1 << (gpio & 0x1f));
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spin_unlock_irqrestore(&gpio_lock, flags);
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return 0;
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inuse:
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spin_unlock_irqrestore(&gpio_lock, flags);
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return -EINVAL;
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}
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EXPORT_SYMBOL(rdc_gpio_request);
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/* release previously-claimed GPIO */
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void rdc_gpio_free(unsigned gpio)
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{
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unsigned long flags;
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if (!rdc321x_is_gpio(gpio))
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return;
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spin_lock_irqsave(&gpio_lock, flags);
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gpio_request_data[(gpio & 0x20) ? 1 : 0] &= ~(1 << (gpio & 0x1f));
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spin_unlock_irqrestore(&gpio_lock, flags);
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}
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EXPORT_SYMBOL(rdc_gpio_free);
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/* read GPIO pin */
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int rdc_gpio_get_value(unsigned gpio)
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{
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u32 reg;
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unsigned long flags;
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spin_lock_irqsave(&gpio_lock, flags);
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reg = rdc321x_conf_read(gpio < 32
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? RDC321X_GPIO_DATA_REG1 : RDC321X_GPIO_DATA_REG2);
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spin_unlock_irqrestore(&gpio_lock, flags);
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return (1 << (gpio & 0x1f)) & reg ? 1 : 0;
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}
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EXPORT_SYMBOL(rdc_gpio_get_value);
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/* set GPIO pin to value */
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void rdc_gpio_set_value(unsigned gpio, int value)
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{
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unsigned long flags;
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u32 reg;
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reg = 1 << (gpio & 0x1f);
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if (gpio < 32) {
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spin_lock_irqsave(&gpio_lock, flags);
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if (value)
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gpio_data_reg1 |= reg;
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else
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gpio_data_reg1 &= ~reg;
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rdc321x_conf_write(RDC321X_GPIO_DATA_REG1, gpio_data_reg1);
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spin_unlock_irqrestore(&gpio_lock, flags);
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} else {
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spin_lock_irqsave(&gpio_lock, flags);
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if (value)
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gpio_data_reg2 |= reg;
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else
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gpio_data_reg2 &= ~reg;
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rdc321x_conf_write(RDC321X_GPIO_DATA_REG2, gpio_data_reg2);
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spin_unlock_irqrestore(&gpio_lock, flags);
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}
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}
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EXPORT_SYMBOL(rdc_gpio_set_value);
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/* configure GPIO pin as input */
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int rdc_gpio_direction_input(unsigned gpio)
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{
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if (!rdc321x_is_gpio(gpio))
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return -EINVAL;
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rdc321x_configure_gpio(gpio);
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return 0;
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}
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EXPORT_SYMBOL(rdc_gpio_direction_input);
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/* configure GPIO pin as output and set value */
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int rdc_gpio_direction_output(unsigned gpio, int value)
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{
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if (!rdc321x_is_gpio(gpio))
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return -EINVAL;
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gpio_set_value(gpio, value);
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rdc321x_configure_gpio(gpio);
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return 0;
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}
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EXPORT_SYMBOL(rdc_gpio_direction_output);
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@ -1,69 +0,0 @@
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/*
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* Generic RDC321x platform devices
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*
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* Copyright (C) 2007 Florian Fainelli <florian@openwrt.org>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/list.h>
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#include <linux/device.h>
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#include <linux/platform_device.h>
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#include <linux/leds.h>
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#include <asm/gpio.h>
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/* LEDS */
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static struct gpio_led default_leds[] = {
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{ .name = "rdc:dmz", .gpio = 1, },
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};
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static struct gpio_led_platform_data rdc321x_led_data = {
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.num_leds = ARRAY_SIZE(default_leds),
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.leds = default_leds,
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};
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static struct platform_device rdc321x_leds = {
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.name = "leds-gpio",
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.id = -1,
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.dev = {
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.platform_data = &rdc321x_led_data,
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}
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};
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/* Watchdog */
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static struct platform_device rdc321x_wdt = {
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.name = "rdc321x-wdt",
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.id = -1,
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.num_resources = 0,
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};
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static struct platform_device *rdc321x_devs[] = {
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&rdc321x_leds,
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&rdc321x_wdt
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};
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static int __init rdc_board_setup(void)
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{
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rdc321x_gpio_setup();
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return platform_add_devices(rdc321x_devs, ARRAY_SIZE(rdc321x_devs));
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}
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arch_initcall(rdc_board_setup);
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@ -37,7 +37,7 @@
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#include <linux/io.h>
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#include <linux/uaccess.h>
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#include <asm/mach-rdc321x/rdc321x_defs.h>
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#include <asm/rdc321x_defs.h>
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#define RDC_WDT_MASK 0x80000000 /* Mask */
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#define RDC_WDT_EN 0x00800000 /* Enable bit */
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