Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=5adb5c873f8324e5dfdbabc7d68fda3972de7386
Commit:     5adb5c873f8324e5dfdbabc7d68fda3972de7386
Parent:     7edf744053873e390d7d05ab0136c5162cf89c27
Author:     Jesper Nilsson <[EMAIL PROTECTED]>
AuthorDate: Thu Jan 24 14:25:18 2008 +0100
Committer:  Jesper Nilsson <[EMAIL PROTECTED]>
CommitDate: Fri Feb 8 11:06:34 2008 +0100

    CRIS v32: Remove drivers/gpio.c, now exists as machine specific file.
---
 arch/cris/arch-v32/drivers/gpio.c |  765 -------------------------------------
 1 files changed, 0 insertions(+), 765 deletions(-)

diff --git a/arch/cris/arch-v32/drivers/gpio.c 
b/arch/cris/arch-v32/drivers/gpio.c
deleted file mode 100644
index d82c5c5..0000000
--- a/arch/cris/arch-v32/drivers/gpio.c
+++ /dev/null
@@ -1,765 +0,0 @@
-/* $Id: gpio.c,v 1.16 2005/06/19 17:06:49 starvik Exp $
- *
- * ETRAX CRISv32 general port I/O device
- *
- * Copyright (c) 1999, 2000, 2001, 2002, 2003 Axis Communications AB
- *
- * Authors:    Bjorn Wesen      (initial version)
- *             Ola Knutsson     (LED handling)
- *             Johan Adolfsson  (read/set directions, write, port G,
- *                               port to ETRAX FS.
- *
- * $Log: gpio.c,v $
- * Revision 1.16  2005/06/19 17:06:49  starvik
- * Merge of Linux 2.6.12.
- *
- * Revision 1.15  2005/05/25 08:22:20  starvik
- * Changed GPIO port order to fit packages/devices/axis-2.4.
- *
- * Revision 1.14  2005/04/24 18:35:08  starvik
- * Updated with final register headers.
- *
- * Revision 1.13  2005/03/15 15:43:00  starvik
- * dev_id needs to be supplied for shared IRQs.
- *
- * Revision 1.12  2005/03/10 17:12:00  starvik
- * Protect alarm list with spinlock.
- *
- * Revision 1.11  2005/01/05 06:08:59  starvik
- * No need to do local_irq_disable after local_irq_save.
- *
- * Revision 1.10  2004/11/19 08:38:31  starvik
- * Removed old crap.
- *
- * Revision 1.9  2004/05/14 07:58:02  starvik
- * Merge of changes from 2.4
- *
- * Revision 1.8  2003/09/11 07:29:50  starvik
- * Merge of Linux 2.6.0-test5
- *
- * Revision 1.7  2003/07/10 13:25:46  starvik
- * Compiles for 2.5.74
- * Lindented ethernet.c
- *
- * Revision 1.6  2003/07/04 08:27:46  starvik
- * Merge of Linux 2.5.74
- *
- * Revision 1.5  2003/06/10 08:26:37  johana
- * Etrax -> ETRAX CRISv32
- *
- * Revision 1.4  2003/06/05 14:22:48  johana
- * Initialise some_alarms.
- *
- * Revision 1.3  2003/06/05 10:15:46  johana
- * New INTR_VECT macros.
- * Enable interrupts in global config.
- *
- * Revision 1.2  2003/06/03 15:52:50  johana
- * Initial CRIS v32 version.
- *
- * Revision 1.1  2003/06/03 08:53:15  johana
- * Copy of os/lx25/arch/cris/arch-v10/drivers/gpio.c version 1.7.
- *
- */
-
-
-#include <linux/module.h>
-#include <linux/sched.h>
-#include <linux/slab.h>
-#include <linux/ioport.h>
-#include <linux/errno.h>
-#include <linux/kernel.h>
-#include <linux/fs.h>
-#include <linux/string.h>
-#include <linux/poll.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/spinlock.h>
-
-#include <asm/etraxgpio.h>
-#include <asm/arch/hwregs/reg_map.h>
-#include <asm/arch/hwregs/reg_rdwr.h>
-#include <asm/arch/hwregs/gio_defs.h>
-#include <asm/arch/hwregs/intr_vect_defs.h>
-#include <asm/io.h>
-#include <asm/system.h>
-#include <asm/irq.h>
-
-/* The following gio ports on ETRAX FS is available:
- * pa  8 bits, supports interrupts off, hi, low, set, posedge, negedge anyedge
- * pb 18 bits
- * pc 18 bits
- * pd 18 bits
- * pe 18 bits
- * each port has a rw_px_dout, r_px_din and rw_px_oe register.
- */
-
-#define GPIO_MAJOR 120  /* experimental MAJOR number */
-
-#define D(x)
-
-#if 0
-static int dp_cnt;
-#define DP(x) do { dp_cnt++; if (dp_cnt % 1000 == 0) x; }while(0)
-#else
-#define DP(x)
-#endif
-
-static char gpio_name[] = "etrax gpio";
-
-#if 0
-static wait_queue_head_t *gpio_wq;
-#endif
-
-static int gpio_ioctl(struct inode *inode, struct file *file,
-                     unsigned int cmd, unsigned long arg);
-static ssize_t gpio_write(struct file * file, const char * buf, size_t count,
-                          loff_t *off);
-static int gpio_open(struct inode *inode, struct file *filp);
-static int gpio_release(struct inode *inode, struct file *filp);
-static unsigned int gpio_poll(struct file *filp, struct poll_table_struct 
*wait);
-
-/* private data per open() of this driver */
-
-struct gpio_private {
-       struct gpio_private *next;
-       /* The IO_CFG_WRITE_MODE_VALUE only support 8 bits: */
-       unsigned char clk_mask;
-       unsigned char data_mask;
-       unsigned char write_msb;
-       unsigned char pad1;
-       /* These fields are generic */
-       unsigned long highalarm, lowalarm;
-       wait_queue_head_t alarm_wq;
-       int minor;
-};
-
-/* linked list of alarms to check for */
-
-static struct gpio_private *alarmlist = 0;
-
-static int gpio_some_alarms = 0; /* Set if someone uses alarm */
-static unsigned long gpio_pa_high_alarms = 0;
-static unsigned long gpio_pa_low_alarms = 0;
-
-static DEFINE_SPINLOCK(alarm_lock);
-
-#define NUM_PORTS (GPIO_MINOR_LAST+1)
-#define GIO_REG_RD_ADDR(reg) (volatile unsigned long*) (regi_gio + 
REG_RD_ADDR_gio_##reg )
-#define GIO_REG_WR_ADDR(reg) (volatile unsigned long*) (regi_gio + 
REG_RD_ADDR_gio_##reg )
-unsigned long led_dummy;
-
-static volatile unsigned long *data_out[NUM_PORTS] = {
-       GIO_REG_WR_ADDR(rw_pa_dout),
-       GIO_REG_WR_ADDR(rw_pb_dout),
-       &led_dummy,
-       GIO_REG_WR_ADDR(rw_pc_dout),
-       GIO_REG_WR_ADDR(rw_pd_dout),
-       GIO_REG_WR_ADDR(rw_pe_dout),
-};
-
-static volatile unsigned long *data_in[NUM_PORTS] = {
-       GIO_REG_RD_ADDR(r_pa_din),
-       GIO_REG_RD_ADDR(r_pb_din),
-       &led_dummy,
-       GIO_REG_RD_ADDR(r_pc_din),
-       GIO_REG_RD_ADDR(r_pd_din),
-       GIO_REG_RD_ADDR(r_pe_din),
-};
-
-static unsigned long changeable_dir[NUM_PORTS] = {
-       CONFIG_ETRAX_PA_CHANGEABLE_DIR,
-       CONFIG_ETRAX_PB_CHANGEABLE_DIR,
-       0,
-       CONFIG_ETRAX_PC_CHANGEABLE_DIR,
-       CONFIG_ETRAX_PD_CHANGEABLE_DIR,
-       CONFIG_ETRAX_PE_CHANGEABLE_DIR,
-};
-
-static unsigned long changeable_bits[NUM_PORTS] = {
-       CONFIG_ETRAX_PA_CHANGEABLE_BITS,
-       CONFIG_ETRAX_PB_CHANGEABLE_BITS,
-       0,
-       CONFIG_ETRAX_PC_CHANGEABLE_BITS,
-       CONFIG_ETRAX_PD_CHANGEABLE_BITS,
-       CONFIG_ETRAX_PE_CHANGEABLE_BITS,
-};
-
-static volatile unsigned long *dir_oe[NUM_PORTS] = {
-       GIO_REG_WR_ADDR(rw_pa_oe),
-       GIO_REG_WR_ADDR(rw_pb_oe),
-       &led_dummy,
-       GIO_REG_WR_ADDR(rw_pc_oe),
-       GIO_REG_WR_ADDR(rw_pd_oe),
-       GIO_REG_WR_ADDR(rw_pe_oe),
-};
-
-
-
-static unsigned int
-gpio_poll(struct file *file,
-         poll_table *wait)
-{
-       unsigned int mask = 0;
-       struct gpio_private *priv = (struct gpio_private *)file->private_data;
-       unsigned long data;
-       poll_wait(file, &priv->alarm_wq, wait);
-       if (priv->minor == GPIO_MINOR_A) {
-               reg_gio_rw_intr_cfg intr_cfg;
-               unsigned long tmp;
-               unsigned long flags;
-
-               local_irq_save(flags);
-               data = REG_TYPE_CONV(unsigned long, reg_gio_r_pa_din, 
REG_RD(gio, regi_gio, r_pa_din));
-               /* PA has support for interrupt
-                * lets activate high for those low and with highalarm set
-                */
-               intr_cfg = REG_RD(gio, regi_gio, rw_intr_cfg);
-
-               tmp = ~data & priv->highalarm & 0xFF;
-                if (tmp & (1 << 0)) {
-                       intr_cfg.pa0 = regk_gio_hi;
-               }
-                if (tmp & (1 << 1)) {
-                       intr_cfg.pa1 = regk_gio_hi;
-               }
-                if (tmp & (1 << 2)) {
-                       intr_cfg.pa2 = regk_gio_hi;
-               }
-                if (tmp & (1 << 3)) {
-                       intr_cfg.pa3 = regk_gio_hi;
-               }
-                if (tmp & (1 << 4)) {
-                       intr_cfg.pa4 = regk_gio_hi;
-               }
-                if (tmp & (1 << 5)) {
-                       intr_cfg.pa5 = regk_gio_hi;
-               }
-                if (tmp & (1 << 6)) {
-                       intr_cfg.pa6 = regk_gio_hi;
-               }
-                if (tmp & (1 << 7)) {
-                       intr_cfg.pa7 = regk_gio_hi;
-               }
-               /*
-                * lets activate low for those high and with lowalarm set
-                */
-               tmp = data & priv->lowalarm & 0xFF;
-                if (tmp & (1 << 0)) {
-                       intr_cfg.pa0 = regk_gio_lo;
-               }
-                if (tmp & (1 << 1)) {
-                       intr_cfg.pa1 = regk_gio_lo;
-               }
-                if (tmp & (1 << 2)) {
-                       intr_cfg.pa2 = regk_gio_lo;
-               }
-                if (tmp & (1 << 3)) {
-                       intr_cfg.pa3 = regk_gio_lo;
-               }
-                if (tmp & (1 << 4)) {
-                       intr_cfg.pa4 = regk_gio_lo;
-               }
-                if (tmp & (1 << 5)) {
-                       intr_cfg.pa5 = regk_gio_lo;
-               }
-                if (tmp & (1 << 6)) {
-                       intr_cfg.pa6 = regk_gio_lo;
-               }
-                if (tmp & (1 << 7)) {
-                       intr_cfg.pa7 = regk_gio_lo;
-               }
-
-               REG_WR(gio, regi_gio, rw_intr_cfg, intr_cfg);
-               local_irq_restore(flags);
-       } else if (priv->minor <= GPIO_MINOR_E)
-               data = *data_in[priv->minor];
-       else
-               return 0;
-
-       if ((data & priv->highalarm) ||
-           (~data & priv->lowalarm)) {
-               mask = POLLIN|POLLRDNORM;
-       }
-
-       DP(printk("gpio_poll ready: mask 0x%08X\n", mask));
-       return mask;
-}
-
-int etrax_gpio_wake_up_check(void)
-{
-       struct gpio_private *priv = alarmlist;
-       unsigned long data = 0;
-        int ret = 0;
-       while (priv) {
-               data = *data_in[priv->minor];
-               if ((data & priv->highalarm) ||
-                   (~data & priv->lowalarm)) {
-                       DP(printk("etrax_gpio_wake_up_check %i\n",priv->minor));
-                       wake_up_interruptible(&priv->alarm_wq);
-                        ret = 1;
-               }
-               priv = priv->next;
-       }
-        return ret;
-}
-
-static irqreturn_t
-gpio_poll_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
-{
-       if (gpio_some_alarms) {
-               return IRQ_RETVAL(etrax_gpio_wake_up_check());
-       }
-        return IRQ_NONE;
-}
-
-static irqreturn_t
-gpio_pa_interrupt(int irq, void *dev_id, struct pt_regs *regs)
-{
-       reg_gio_rw_intr_mask intr_mask;
-       reg_gio_r_masked_intr masked_intr;
-       reg_gio_rw_ack_intr ack_intr;
-       unsigned long tmp;
-       unsigned long tmp2;
-
-       /* Find what PA interrupts are active */
-       masked_intr = REG_RD(gio, regi_gio, r_masked_intr);
-       tmp = REG_TYPE_CONV(unsigned long, reg_gio_r_masked_intr, masked_intr);
-
-       /* Find those that we have enabled */
-       spin_lock(&alarm_lock);
-       tmp &= (gpio_pa_high_alarms | gpio_pa_low_alarms);
-       spin_unlock(&alarm_lock);
-
-       /* Ack them */
-       ack_intr = REG_TYPE_CONV(reg_gio_rw_ack_intr, unsigned long, tmp);
-       REG_WR(gio, regi_gio, rw_ack_intr, ack_intr);
-
-       /* Disable those interrupts.. */
-       intr_mask = REG_RD(gio, regi_gio, rw_intr_mask);
-       tmp2 = REG_TYPE_CONV(unsigned long, reg_gio_rw_intr_mask, intr_mask);
-       tmp2 &= ~tmp;
-       intr_mask = REG_TYPE_CONV(reg_gio_rw_intr_mask, unsigned long, tmp2);
-       REG_WR(gio, regi_gio, rw_intr_mask, intr_mask);
-
-       if (gpio_some_alarms) {
-               return IRQ_RETVAL(etrax_gpio_wake_up_check());
-       }
-        return IRQ_NONE;
-}
-
-
-static ssize_t gpio_write(struct file * file, const char * buf, size_t count,
-                          loff_t *off)
-{
-       struct gpio_private *priv = (struct gpio_private *)file->private_data;
-       unsigned char data, clk_mask, data_mask, write_msb;
-       unsigned long flags;
-       unsigned long shadow;
-       volatile unsigned long *port;
-       ssize_t retval = count;
-       /* Only bits 0-7 may be used for write operations but allow all
-          devices except leds... */
-       if (priv->minor == GPIO_MINOR_LEDS) {
-               return -EFAULT;
-       }
-
-       if (!access_ok(VERIFY_READ, buf, count)) {
-               return -EFAULT;
-       }
-       clk_mask = priv->clk_mask;
-       data_mask = priv->data_mask;
-       /* It must have been configured using the IO_CFG_WRITE_MODE */
-       /* Perhaps a better error code? */
-       if (clk_mask == 0 || data_mask == 0) {
-               return -EPERM;
-       }
-       write_msb = priv->write_msb;
-       D(printk("gpio_write: %lu to data 0x%02X clk 0x%02X msb: %i\n",count, 
data_mask, clk_mask, write_msb));
-       port = data_out[priv->minor];
-
-       while (count--) {
-               int i;
-               data = *buf++;
-               if (priv->write_msb) {
-                       for (i = 7; i >= 0;i--) {
-                               local_irq_save(flags);
-                               shadow = *port;
-                               *port = shadow &= ~clk_mask;
-                               if (data & 1<<i)
-                                       *port = shadow |= data_mask;
-                               else
-                                       *port = shadow &= ~data_mask;
-                       /* For FPGA: min 5.0ns (DCC) before CCLK high */
-                               *port = shadow |= clk_mask;
-                               local_irq_restore(flags);
-                       }
-               } else {
-                       for (i = 0; i <= 7;i++) {
-                               local_irq_save(flags);
-                               shadow = *port;
-                               *port = shadow &= ~clk_mask;
-                               if (data & 1<<i)
-                                       *port = shadow |= data_mask;
-                               else
-                                       *port = shadow &= ~data_mask;
-                       /* For FPGA: min 5.0ns (DCC) before CCLK high */
-                               *port = shadow |= clk_mask;
-                               local_irq_restore(flags);
-                       }
-               }
-       }
-       return retval;
-}
-
-
-
-static int
-gpio_open(struct inode *inode, struct file *filp)
-{
-       struct gpio_private *priv;
-       int p = iminor(inode);
-
-       if (p > GPIO_MINOR_LAST)
-               return -EINVAL;
-
-       priv = kmalloc(sizeof(struct gpio_private),
-                                             GFP_KERNEL);
-
-       if (!priv)
-               return -ENOMEM;
-
-       priv->minor = p;
-
-       /* initialize the io/alarm struct and link it into our alarmlist */
-
-       priv->next = alarmlist;
-       alarmlist = priv;
-       priv->clk_mask = 0;
-       priv->data_mask = 0;
-       priv->highalarm = 0;
-       priv->lowalarm = 0;
-       init_waitqueue_head(&priv->alarm_wq);
-
-       filp->private_data = (void *)priv;
-
-       return 0;
-}
-
-static int
-gpio_release(struct inode *inode, struct file *filp)
-{
-       struct gpio_private *p = alarmlist;
-       struct gpio_private *todel = (struct gpio_private *)filp->private_data;
-       /* local copies while updating them: */
-       unsigned long a_high, a_low;
-       unsigned long some_alarms;
-
-       /* unlink from alarmlist and free the private structure */
-
-       if (p == todel) {
-               alarmlist = todel->next;
-       } else {
-               while (p->next != todel)
-                       p = p->next;
-               p->next = todel->next;
-       }
-
-       kfree(todel);
-       /* Check if there are still any alarms set */
-       p = alarmlist;
-        some_alarms = 0;
-       a_high = 0;
-       a_low = 0;
-       while (p) {
-               if (p->minor == GPIO_MINOR_A) {
-                       a_high |= p->highalarm;
-                       a_low |= p->lowalarm;
-               }
-
-               if (p->highalarm | p->lowalarm) {
-                       some_alarms = 1;
-               }
-               p = p->next;
-       }
-
-       spin_lock(&alarm_lock);
-       gpio_some_alarms = some_alarms;
-       gpio_pa_high_alarms = a_high;
-       gpio_pa_low_alarms = a_low;
-       spin_unlock(&alarm_lock);
-
-       return 0;
-}
-
-/* Main device API. ioctl's to read/set/clear bits, as well as to
- * set alarms to wait for using a subsequent select().
- */
-
-unsigned long inline setget_input(struct gpio_private *priv, unsigned long arg)
-{
-       /* Set direction 0=unchanged 1=input,
-        * return mask with 1=input
-        */
-       unsigned long flags;
-       unsigned long dir_shadow;
-
-       local_irq_save(flags);
-       dir_shadow = *dir_oe[priv->minor];
-       dir_shadow &= ~(arg & changeable_dir[priv->minor]);
-       *dir_oe[priv->minor] = dir_shadow;
-       local_irq_restore(flags);
-
-       if (priv->minor == GPIO_MINOR_A)
-               dir_shadow ^= 0xFF;    /* Only 8 bits */
-       else
-               dir_shadow ^= 0x3FFFF; /* Only 18 bits */
-       return dir_shadow;
-
-} /* setget_input */
-
-unsigned long inline setget_output(struct gpio_private *priv, unsigned long 
arg)
-{
-       unsigned long flags;
-       unsigned long dir_shadow;
-
-       local_irq_save(flags);
-       dir_shadow = *dir_oe[priv->minor];
-       dir_shadow |=  (arg & changeable_dir[priv->minor]);
-       *dir_oe[priv->minor] = dir_shadow;
-       local_irq_restore(flags);
-       return dir_shadow;
-} /* setget_output */
-
-static int
-gpio_leds_ioctl(unsigned int cmd, unsigned long arg);
-
-static int
-gpio_ioctl(struct inode *inode, struct file *file,
-          unsigned int cmd, unsigned long arg)
-{
-       unsigned long flags;
-       unsigned long val;
-       unsigned long shadow;
-       struct gpio_private *priv = (struct gpio_private *)file->private_data;
-       if (_IOC_TYPE(cmd) != ETRAXGPIO_IOCTYPE) {
-               return -EINVAL;
-       }
-
-       switch (_IOC_NR(cmd)) {
-       case IO_READBITS: /* Use IO_READ_INBITS and IO_READ_OUTBITS instead */
-               // read the port
-               return *data_in[priv->minor];
-               break;
-       case IO_SETBITS:
-               local_irq_save(flags);
-                if (arg & 0x04)
-                  printk("GPIO SET 2\n");
-               // set changeable bits with a 1 in arg
-               shadow = *data_out[priv->minor];
-               shadow |=  (arg & changeable_bits[priv->minor]);
-               *data_out[priv->minor] = shadow;
-               local_irq_restore(flags);
-               break;
-       case IO_CLRBITS:
-               local_irq_save(flags);
-                if (arg & 0x04)
-                  printk("GPIO CLR 2\n");
-               // clear changeable bits with a 1 in arg
-               shadow = *data_out[priv->minor];
-               shadow &=  ~(arg & changeable_bits[priv->minor]);
-               *data_out[priv->minor] = shadow;
-               local_irq_restore(flags);
-               break;
-       case IO_HIGHALARM:
-               // set alarm when bits with 1 in arg go high
-               priv->highalarm |= arg;
-               spin_lock(&alarm_lock);
-               gpio_some_alarms = 1;
-               if (priv->minor == GPIO_MINOR_A) {
-                       gpio_pa_high_alarms |= arg;
-               }
-               spin_unlock(&alarm_lock);
-               break;
-       case IO_LOWALARM:
-               // set alarm when bits with 1 in arg go low
-               priv->lowalarm |= arg;
-               spin_lock(&alarm_lock);
-               gpio_some_alarms = 1;
-               if (priv->minor == GPIO_MINOR_A) {
-                       gpio_pa_low_alarms |= arg;
-               }
-               spin_unlock(&alarm_lock);
-               break;
-       case IO_CLRALARM:
-               // clear alarm for bits with 1 in arg
-               priv->highalarm &= ~arg;
-               priv->lowalarm  &= ~arg;
-               spin_lock(&alarm_lock);
-               if (priv->minor == GPIO_MINOR_A) {
-                       if (gpio_pa_high_alarms & arg ||
-                           gpio_pa_low_alarms & arg) {
-                               /* Must update the gpio_pa_*alarms masks */
-                       }
-               }
-               spin_unlock(&alarm_lock);
-               break;
-       case IO_READDIR: /* Use IO_SETGET_INPUT/OUTPUT instead! */
-               /* Read direction 0=input 1=output */
-               return *dir_oe[priv->minor];
-       case IO_SETINPUT: /* Use IO_SETGET_INPUT instead! */
-               /* Set direction 0=unchanged 1=input,
-                * return mask with 1=input
-                */
-               return setget_input(priv, arg);
-               break;
-       case IO_SETOUTPUT: /* Use IO_SETGET_OUTPUT instead! */
-               /* Set direction 0=unchanged 1=output,
-                * return mask with 1=output
-                */
-               return setget_output(priv, arg);
-
-       case IO_CFG_WRITE_MODE:
-       {
-               unsigned long dir_shadow;
-               dir_shadow = *dir_oe[priv->minor];
-
-               priv->clk_mask = arg & 0xFF;
-               priv->data_mask = (arg >> 8) & 0xFF;
-               priv->write_msb = (arg >> 16) & 0x01;
-               /* Check if we're allowed to change the bits and
-                * the direction is correct
-                */
-               if (!((priv->clk_mask & changeable_bits[priv->minor]) &&
-                     (priv->data_mask & changeable_bits[priv->minor]) &&
-                     (priv->clk_mask & dir_shadow) &&
-                     (priv->data_mask & dir_shadow)))
-               {
-                       priv->clk_mask = 0;
-                       priv->data_mask = 0;
-                       return -EPERM;
-               }
-               break;
-       }
-       case IO_READ_INBITS:
-               /* *arg is result of reading the input pins */
-               val = *data_in[priv->minor];
-               if (copy_to_user((unsigned long*)arg, &val, sizeof(val)))
-                       return -EFAULT;
-               return 0;
-               break;
-       case IO_READ_OUTBITS:
-                /* *arg is result of reading the output shadow */
-               val = *data_out[priv->minor];
-               if (copy_to_user((unsigned long*)arg, &val, sizeof(val)))
-                       return -EFAULT;
-               break;
-       case IO_SETGET_INPUT:
-               /* bits set in *arg is set to input,
-                * *arg updated with current input pins.
-                */
-               if (copy_from_user(&val, (unsigned long*)arg, sizeof(val)))
-                       return -EFAULT;
-               val = setget_input(priv, val);
-               if (copy_to_user((unsigned long*)arg, &val, sizeof(val)))
-                       return -EFAULT;
-               break;
-       case IO_SETGET_OUTPUT:
-               /* bits set in *arg is set to output,
-                * *arg updated with current output pins.
-                */
-               if (copy_from_user(&val, (unsigned long*)arg, sizeof(val)))
-                       return -EFAULT;
-               val = setget_output(priv, val);
-               if (copy_to_user((unsigned long*)arg, &val, sizeof(val)))
-                       return -EFAULT;
-               break;
-       default:
-               if (priv->minor == GPIO_MINOR_LEDS)
-                       return gpio_leds_ioctl(cmd, arg);
-               else
-                       return -EINVAL;
-       } /* switch */
-
-       return 0;
-}
-
-static int
-gpio_leds_ioctl(unsigned int cmd, unsigned long arg)
-{
-       unsigned char green;
-       unsigned char red;
-
-       switch (_IOC_NR(cmd)) {
-       case IO_LEDACTIVE_SET:
-               green = ((unsigned char) arg) & 1;
-               red   = (((unsigned char) arg) >> 1) & 1;
-               LED_ACTIVE_SET_G(green);
-               LED_ACTIVE_SET_R(red);
-               break;
-
-       default:
-               return -EINVAL;
-       } /* switch */
-
-       return 0;
-}
-
-const struct file_operations gpio_fops = {
-       .owner       = THIS_MODULE,
-       .poll        = gpio_poll,
-       .ioctl       = gpio_ioctl,
-       .write       = gpio_write,
-       .open        = gpio_open,
-       .release     = gpio_release,
-};
-
-
-/* main driver initialization routine, called from mem.c */
-
-static __init int
-gpio_init(void)
-{
-       int res;
-       reg_intr_vect_rw_mask intr_mask;
-
-       /* do the formalities */
-
-       res = register_chrdev(GPIO_MAJOR, gpio_name, &gpio_fops);
-       if (res < 0) {
-               printk(KERN_ERR "gpio: couldn't get a major number.\n");
-               return res;
-       }
-
-       /* Clear all leds */
-       LED_NETWORK_SET(0);
-       LED_ACTIVE_SET(0);
-       LED_DISK_READ(0);
-       LED_DISK_WRITE(0);
-
-       printk("ETRAX FS GPIO driver v2.5, (c) 2003-2005 Axis Communications 
AB\n");
-       /* We call etrax_gpio_wake_up_check() from timer interrupt and
-        * from cpu_idle() in kernel/process.c
-        * The check in cpu_idle() reduces latency from ~15 ms to ~6 ms
-        * in some tests.
-        */
-       if (request_irq(TIMER_INTR_VECT, gpio_poll_timer_interrupt,
-                       IRQF_SHARED | IRQF_DISABLED,"gpio poll", &alarmlist)) {
-               printk("err: timer0 irq for gpio\n");
-       }
-       if (request_irq(GEN_IO_INTR_VECT, gpio_pa_interrupt,
-                       IRQF_SHARED | IRQF_DISABLED,"gpio PA", &alarmlist)) {
-               printk("err: PA irq for gpio\n");
-       }
-       /* enable the gio and timer irq in global config */
-       intr_mask = REG_RD(intr_vect, regi_irq, rw_mask);
-       intr_mask.timer = 1;
-       intr_mask.gen_io = 1;
-       REG_WR(intr_vect, regi_irq, rw_mask, intr_mask);
-
-       return res;
-}
-
-/* this makes sure that gpio_init is called during kernel boot */
-
-module_init(gpio_init);
-
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