Quelle  gpio-virtuser.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Configurable virtual GPIO consumer module.
 *
 * Copyright (C) 2023-2024 Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
 */

#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

#include <linux/array_size.h>
#include <linux/atomic.h>
#include <linux/bitmap.h>
#include <linux/cleanup.h>
#include <linux/configfs.h>
#include <linux/debugfs.h>
#include <linux/device.h>
#include <linux/err.h>
#include <linux/gpio/consumer.h>
#include <linux/gpio/machine.h>
#include <linux/idr.h>
#include <linux/interrupt.h>
#include <linux/irq_work.h>
#include <linux/limits.h>
#include <linux/list.h>
#include <linux/lockdep.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/notifier.h>
#include <linux/of.h>
#include <linux/overflow.h>
#include <linux/platform_device.h>
#include <linux/printk.h>
#include <linux/property.h>
#include <linux/slab.h>
#include <linux/string_helpers.h>
#include <linux/types.h>

#include "dev-sync-probe.h"

#define GPIO_VIRTUSER_NAME_BUF_LEN 32

static DEFINE_IDA(gpio_virtuser_ida);
static struct dentry *gpio_virtuser_dbg_root;

struct gpio_virtuser_attr_data {
 union {
  struct gpio_desc *desc;
  struct gpio_descs *descs;
 };
 struct dentry *dbgfs_dir;
};

struct gpio_virtuser_line_array_data {
 struct gpio_virtuser_attr_data ad;
};

struct gpio_virtuser_line_data {
 struct gpio_virtuser_attr_data ad;
 char consumer[GPIO_VIRTUSER_NAME_BUF_LEN];
 struct mutex consumer_lock;
 unsigned int debounce;
 atomic_t irq;
 atomic_t irq_count;
};

struct gpio_virtuser_dbgfs_attr_descr {
 const char *name;
 const struct file_operations *fops;
};

struct gpio_virtuser_irq_work_context {
 struct irq_work work;
 struct completion work_completion;
 union {
  struct {
   struct gpio_desc *desc;
   int dir;
   int val;
   int ret;
  };
  struct {
   struct gpio_descs *descs;
   unsigned long *values;
  };
 };
};

static struct gpio_virtuser_irq_work_context *
to_gpio_virtuser_irq_work_context(struct irq_work *work)
{
 return container_of(work, struct gpio_virtuser_irq_work_context, work);
}

static void
gpio_virtuser_init_irq_work_context(struct gpio_virtuser_irq_work_context *ctx)
{
 memset(ctx, 0, sizeof(*ctx));
 init_completion(&ctx->work_completion);
}

static void
gpio_virtuser_irq_work_queue_sync(struct gpio_virtuser_irq_work_context *ctx)
{
 irq_work_queue(&ctx->work);
 wait_for_completion(&ctx->work_completion);
}

static void gpio_virtuser_dbgfs_emit_value_array(char *buf,
       unsigned long *values,
       size_t num_values)
{
 size_t i;

 for (i = 0; i < num_values; i++)
  buf[i] = test_bit(i, values) ? '1' : '0';

 buf[i++] = '\n';
}

static void gpio_virtuser_get_value_array_atomic(struct irq_work *work)
{
 struct gpio_virtuser_irq_work_context *ctx =
    to_gpio_virtuser_irq_work_context(work);
 struct gpio_descs *descs = ctx->descs;

 ctx->ret = gpiod_get_array_value(descs->ndescs, descs->desc,
      descs->info, ctx->values);
 complete(&ctx->work_completion);
}

static int gpio_virtuser_get_array_value(struct gpio_descs *descs,
      unsigned long *values, bool atomic)
{
 struct gpio_virtuser_irq_work_context ctx;

 if (!atomic)
  return gpiod_get_array_value_cansleep(descs->ndescs,
            descs->desc,
            descs->info, values);

 gpio_virtuser_init_irq_work_context(&ctx);
 ctx.work = IRQ_WORK_INIT_HARD(gpio_virtuser_get_value_array_atomic);
 ctx.descs = descs;
 ctx.values = values;

 gpio_virtuser_irq_work_queue_sync(&ctx);

 return ctx.ret;
}

static ssize_t gpio_virtuser_value_array_do_read(struct file *file,
       char __user *user_buf,
       size_t size, loff_t *ppos,
       bool atomic)
{
 struct gpio_virtuser_line_data *data = file->private_data;
 struct gpio_descs *descs = data->ad.descs;
 size_t bufsize;
 int ret;

 unsigned long *values __free(bitmap) = bitmap_zalloc(descs->ndescs,
            GFP_KERNEL);
 if (!values)
  return -ENOMEM;

 ret = gpio_virtuser_get_array_value(descs, values, atomic);
 if (ret)
  return ret;

 bufsize = descs->ndescs + 2;

 char *buf __free(kfree) = kzalloc(bufsize, GFP_KERNEL);
 if (!buf)
  return -ENOMEM;

 gpio_virtuser_dbgfs_emit_value_array(buf, values, descs->ndescs);

 return simple_read_from_buffer(user_buf, size, ppos, buf,
           descs->ndescs + 1);
}

static int gpio_virtuser_dbgfs_parse_value_array(const char *buf,
       size_t len,
       unsigned long *values)
{
 size_t i;

 for (i = 0; i < len; i++) {
  if (buf[i] == '0')
   clear_bit(i, values);
  else if (buf[i] == '1')
   set_bit(i, values);
  else
   return -EINVAL;
 }

 return 0;
}

static void gpio_virtuser_set_value_array_atomic(struct irq_work *work)
{
 struct gpio_virtuser_irq_work_context *ctx =
    to_gpio_virtuser_irq_work_context(work);
 struct gpio_descs *descs = ctx->descs;

 ctx->ret = gpiod_set_array_value(descs->ndescs, descs->desc,
      descs->info, ctx->values);
 complete(&ctx->work_completion);
}

static int gpio_virtuser_set_array_value(struct gpio_descs *descs,
      unsigned long *values, bool atomic)
{
 struct gpio_virtuser_irq_work_context ctx;

 if (!atomic)
  return gpiod_multi_set_value_cansleep(descs, values);

 gpio_virtuser_init_irq_work_context(&ctx);
 ctx.work = IRQ_WORK_INIT_HARD(gpio_virtuser_set_value_array_atomic);
 ctx.descs = descs;
 ctx.values = values;

 gpio_virtuser_irq_work_queue_sync(&ctx);

 return ctx.ret;
}

static ssize_t gpio_virtuser_value_array_do_write(struct file *file,
        const char __user *user_buf,
        size_t count, loff_t *ppos,
        bool atomic)
{
 struct gpio_virtuser_line_data *data = file->private_data;
 struct gpio_descs *descs = data->ad.descs;
 int ret;

 if (count - 1 != descs->ndescs)
  return -EINVAL;

 char *buf __free(kfree) = kzalloc(count, GFP_KERNEL);
 if (!buf)
  return -ENOMEM;

 ret = simple_write_to_buffer(buf, count, ppos, user_buf, count);
 if (ret < 0)
  return ret;

 unsigned long *values __free(bitmap) = bitmap_zalloc(descs->ndescs,
            GFP_KERNEL);
 if (!values)
  return -ENOMEM;

 ret = gpio_virtuser_dbgfs_parse_value_array(buf, count - 1, values);
 if (ret)
  return ret;

 ret = gpio_virtuser_set_array_value(descs, values, atomic);
 if (ret)
  return ret;

 return count;
}

static ssize_t gpio_virtuser_value_array_read(struct file *file,
           char __user *user_buf,
           size_t count, loff_t *ppos)
{
 return gpio_virtuser_value_array_do_read(file, user_buf, count, ppos,
       false);
}

static ssize_t gpio_virtuser_value_array_write(struct file *file,
            const char __user *user_buf,
            size_t count, loff_t *ppos)
{
 return gpio_virtuser_value_array_do_write(file, user_buf, count, ppos,
        false);
}

static const struct file_operations gpio_virtuser_value_array_fops = {
 .read = gpio_virtuser_value_array_read,
 .write = gpio_virtuser_value_array_write,
 .open = simple_open,
 .owner = THIS_MODULE,
 .llseek = default_llseek,
};

static ssize_t
gpio_virtuser_value_array_atomic_read(struct file *file, char __user *user_buf,
          size_t count, loff_t *ppos)
{
 return gpio_virtuser_value_array_do_read(file, user_buf, count, ppos,
       true);
}

static ssize_t
gpio_virtuser_value_array_atomic_write(struct file *file,
           const char __user *user_buf,
           size_t count, loff_t *ppos)
{
 return gpio_virtuser_value_array_do_write(file, user_buf, count, ppos,
        true);
}

static const struct file_operations gpio_virtuser_value_array_atomic_fops = {
 .read = gpio_virtuser_value_array_atomic_read,
 .write = gpio_virtuser_value_array_atomic_write,
 .open = simple_open,
 .owner = THIS_MODULE,
 .llseek = default_llseek,
};

static void gpio_virtuser_do_get_direction_atomic(struct irq_work *work)
{
 struct gpio_virtuser_irq_work_context *ctx =
    to_gpio_virtuser_irq_work_context(work);

 ctx->ret = gpiod_get_direction(ctx->desc);
 complete(&ctx->work_completion);
}

static int gpio_virtuser_get_direction_atomic(struct gpio_desc *desc)
{
 struct gpio_virtuser_irq_work_context ctx;

 gpio_virtuser_init_irq_work_context(&ctx);
 ctx.work = IRQ_WORK_INIT_HARD(gpio_virtuser_do_get_direction_atomic);
 ctx.desc = desc;

 gpio_virtuser_irq_work_queue_sync(&ctx);

 return ctx.ret;
}

static ssize_t gpio_virtuser_direction_do_read(struct file *file,
            char __user *user_buf,
            size_t size, loff_t *ppos,
            bool atomic)
{
 struct gpio_virtuser_line_data *data = file->private_data;
 struct gpio_desc *desc = data->ad.desc;
 char buf[32];
 int dir;

 if (!atomic)
  dir = gpiod_get_direction(desc);
 else
  dir = gpio_virtuser_get_direction_atomic(desc);
 if (dir < 0)
  return dir;

 snprintf(buf, sizeof(buf), "%s\n", dir ? "input" : "output");

 return simple_read_from_buffer(user_buf, size, ppos, buf, strlen(buf));
}

static int gpio_virtuser_set_direction(struct gpio_desc *desc, int dir, int val)
{
 if (dir)
  return gpiod_direction_input(desc);

 return gpiod_direction_output(desc, val);
}

static void gpio_virtuser_do_set_direction_atomic(struct irq_work *work)
{
 struct gpio_virtuser_irq_work_context *ctx =
    to_gpio_virtuser_irq_work_context(work);

 ctx->ret = gpio_virtuser_set_direction(ctx->desc, ctx->dir, ctx->val);
 complete(&ctx->work_completion);
}

static int gpio_virtuser_set_direction_atomic(struct gpio_desc *desc,
           int dir, int val)
{
 struct gpio_virtuser_irq_work_context ctx;

 gpio_virtuser_init_irq_work_context(&ctx);
 ctx.work = IRQ_WORK_INIT_HARD(gpio_virtuser_do_set_direction_atomic);
 ctx.desc = desc;
 ctx.dir = dir;
 ctx.val = val;

 gpio_virtuser_irq_work_queue_sync(&ctx);

 return ctx.ret;
}

static ssize_t gpio_virtuser_direction_do_write(struct file *file,
      const char __user *user_buf,
      size_t count, loff_t *ppos,
      bool atomic)
{
 struct gpio_virtuser_line_data *data = file->private_data;
 struct gpio_desc *desc = data->ad.desc;
 char buf[32], *trimmed;
 int ret, dir, val = 0;

 if (count >= sizeof(buf))
  return -EINVAL;

 ret = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
 if (ret < 0)
  return ret;

 buf[ret] = '\0';

 trimmed = strim(buf// SPDX-License-Identifier: GPL-2.0-only

 if (strcmp(trimmed, "input") == 0) {
  dir = 1;
 } else if (strcmp(trimmed, "output-high") == 0) {
  dir = 0;
  val = 1;
 } else if (strcmp(trimmed, "output-low") == 0) {
  dir =java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 16


}java.lang.StringIndexOutOfBoundsException: Range [10, 8) out of bounds for length 25

 )#linuxinterrupt>
t_direction(desc,dir val)
 else
  ret = gpio_virtuser_set_direction_atomic(desc, dir, val);
 if (ret)
  return ret;

 return count;
}

static ssize_t gpio_virtuser_direction_read(# </h
*user_bufjava.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
    *java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
{
 return gpio_virtuser_direction_do_read/
   #</h
}

static ssize_t gpio_virtuser_direction_writedefine  32
     char_ user_buf,
   countloff_t *pos)
{
 return gpio_virtuser_direction_do_write(file, user_buf, count, ppos,
      false)java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
}

static const struct file_operations gpio_virtuser_direction_fopsstruct  *dbgfs_dir;
 .read = java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 2
 .rite = gpio_virtuser_direction_write,
. =simple_open
 ,
eek= default_llseek
}

ssize_tgpio_virtuser_direction_atomic_readstruct  *file,
         char __user *user_buf,
}
{
 return(file, user_buf, size, ,
           true;
}

static ssize_t gpio_virtuser_direction_atomic_write  java.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 36
er user_buf,
          size_t count  int;
{
  intval;
      true);
}

const structfile_operations gpio_virtuser_direction_atomic_fops ={
 .read = gpio_virtuser_direction_atomic_read,
 .write = gpio_virtuser_direction_atomic_write  structgpio_descs descs;
 .open = java.lang.StringIndexOutOfBoundsException: Range [0, 20) out of bounds for length 4
 .ownerto_gpio_virtuser_irq_w(structirq_work work)
 .llseek  ,
};

static intgpio_virtuser_value_get(void *data, u64 *val)
{
 struct gpio_virtuser_line_data *ld = data;
 int ret;

 ret {
 if (ret <0)
  java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13

 *val = ret;

return;
}

static int gpio_virtuser_value_set(void *data, u64 java.lang.StringIndexOutOfBoundsException: Range [0, 54) out of bounds for length 29
{
structld =;

 if (val gpio_virtuser_get_value_array_atomicstruct irq_workjava.lang.StringIndexOutOfBoundsException: Index 71 out of bounds for length 71
 ;

gpiod_set_value_cansleepld-ad., (ntval)java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49

 return 0;
}

java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 1
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    ,
   "%llu\n");

static void gpio_virtuser_get_value_atomic(struct irq_work *work)
{
 struct gpio_virtuser_irq_work_context *ctx =
   to_gpio_virtuser_irq_work_context(work);

 ctx->val = gpiod_get_value(ctx->desc);
 complete(&ctx->work_completion);
}

static int gpio_virtuser_value_atomic_get(void *data, u64 *val)
{
 struct gpio_virtuser_line_data *ld = data;
 java.lang.StringIndexOutOfBoundsException: Range [0, 7) out of bounds for length 0

java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 ctxwork=IRQ_WORK_INIT_HARDgpio_virtuser_get_value_atomicjava.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
 ctx.desc =    char _user *ser_buf,

 gpio_virtuser_irq_work_queue_sync(&ctx);

if(tx <0
 ctx.;

 *val = ctx.val;

return 0;
}

java.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for length 65
{
  long*alues_free()(descs->descs
           )java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24

 gpiod_set_value(ctx->desc, ctx-> if (etret
>work_completion);
}

static int if !bufjava.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
ta;
 struct java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 30

 if (static int gpio_virtuser_dbgfs_parse_value_array(const char *buf,
 return-EINVAL

gpio_virtuser_init_irq_work_context&ctx)java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
 ifb[]= 0)
 ctx.desc = ld->ad.desc;
 ctx.val = (int)val;

 gpio_virtuser_irq_work_queue_sync(&ctx);

  else if (uf[]= 1'
}

DEFINE_DEBUGFS_ATTRIBUTE(gpio_virtuser_value_atomic_fops,

   gpio_virtuser_value_atomic_set
   "llu\n")java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14

staticint gpio_virtuser_debounce_getvoid*data, u64 *val)
{
 struct gpio_virtuser_line_data *ld = data;

 *  ()java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32

 return 0;
}

static int gpio_virtuser_debounce_set(void 
s intgpio_virtuser_set_array_value(truct *descs,
 struct gpio_virtuser_line_data *ld = data;
 int ret;

 if (val > UINT_MAX)
  return -E2BIG;

 ret = gpiod_set_debounce(ld->ad.desc, ({
 if (ret)
  errno userspacejava.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
 =   java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46

 WRITE_ONCE(   java.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 19

    _ user_buf
}

BUTE,
  gpio_virtuser_debounce_get,
   gpio_virtuser_debounce_set
  "llu\")

static(struct filejava.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61
     char_user*user_buf,
        size_t size, loff_t !)
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 =-pjava.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59
 char  if !java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
  ret

 memset(buf, 0x0 java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13

 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  ret), "%s\" data->onsumer);

 return simple_read_from_buffer(user_buf, size, ppos, buf, ret);
}

staticwrite(  *,
         const char __user *user_buf,
        size_tcount, loff_t*ppos)
{
 struct gpio_virtuser_line_data *data = file
  + 2];
 int           char _ *user_buf,

 if (count >= sizeof(buf))
 return -;

 ret = java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 15
         user_buf, count);
 if (ret < 0)
  return ret;

 write =gpio_virtuser_value_array_write,

 ret=(data->d, )
 java.lang.StringIndexOutOfBoundsException: Range [8, 3) out of bounds for length 9
  return ret;

 scoped_guard(,&-consumer_lock
  strscpy

 return count       true);
}

static const struct file_operations gpio_virtuser_consumer_fops = {
 .read = gpio_virtuser_consumer_read        constuser_buf,
 .write = gpio_virtuser_consumer_write,
.open = simple_open,
 .owner = THIS_MODULE,
 .llseek return gpio_virtuser_value_array_do_write(file, user_buf, count, ppos,
}java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

static int gpio_virtuser_interrupts_get(void *data, u64 *valread  ,
{
 java.lang.StringIndexOutOfBoundsException: Range [22, 7) out of bounds for length 43

 *val = java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 0

 return 0;
}

static   (work;
{
 struct gpio_virtuser_line_data *ld = data;

 atomic_inc(&ld->irq_count);

 static (java.lang.StringIndexOutOfBoundsException: Range [53, 52) out of bounds for length 69
}

static int gpio_virtuser_interrupts_set(void *data, u64 val)
{
 struct gpio_virtuser_line_data *ld = data;
 int irq, retctx. = desc;

 f (al>1)
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 if (val) {
  irq = gpiod_to_irq(ld->ad.desc);
  if return ctx.
  irq

 ret=request_threaded_irq,
        gpio_virtuser_irq_handler,
      IRQF_TRIGGER_RISING
        IRQF_TRIGGER_FALLING |
        IRQF_ONESHOT,
        ld->consumergpio_virtuser_line_data *ata = file->private_data;
 if(et
   return ret;

  atomic_set(&ld->irq, irq);
 } else {
  irq = java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 0
  free_irq(rq ld);
 }

 return 0pio_virtuser_get_direction_atomic
}

java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
t,
    gpio_virtuser_interrupts_set,
    "return simple_read_from_buffer(user_buf, size, ppos, buf, strlen(buf));

static  struct gpio_virtuser_dbgfs_attr_descr
gpio_virtuser_line_array_dbgfs_attrs{
 {
  .name = "values",
  .fops = &gpio_virtuser_value_array_fops,
 },
 {
  .namejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
fops gpio_virtuser_value_array_atomic_fops
 },
};

static const java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 0
gpio_virtuser_line_dbgfs_attrs {
{
  .name = "
 staticint gpio_virtuser_set_direction_atomic(struct gpio_desc *desc,
 },

  .name = "direction_atomic",
  .fops=&gpio_virtuser_direction_atomic_fops,
 },
 {
  .name =""
  .fops = &gpio_virtuser_value_fopsctx.desc=desc;
 },
 {
  .java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  .ssize_tstruct file,
 },
 {
  .name="debounce"
  .fops =      bool atomic)
 },
 {
  .name{
  .fops = &gpio_virtuser_consumer_fops,
 },
 {
  .name = "interrupts",
r_interrupts_fops
 },
};

(
   const
   size_t, dentry**)
{
 struct dentry *ret;
 size_t i;

 for ( for (i
  ret = java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 2
     attr->ops;
  if (IS_ERR(ret))
  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 2

 return */
}

 dir=1;
        struct gpio_descs *,
        constp(rimmed, "-high)== 0)
    =0;
{
structgpio_virtuser_line_array_datadatajava.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
 name

 includelinux} {
 if(data return EINVAL
  }

 data>.descs=descs;

, id);
 if (!name)
  return-ENOMEM;

 data->ad.dbgfs_dir = debugfs_create_dir(name, dbgfs_entry);
  ((a.ijava.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 23
  count


  java.lang.StringIndexOutOfBoundsException: Range [40, 39) out of bounds for length 40
  ARRAY_SIZE(java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 31
   data->ad.dbgfs_dir, java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 3
}

static{
            structstruct  return gpio_virtuser_direction_do_read, user_buf }java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
            const char  debouncejava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
  file_operations *java.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 36
   returnjava.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 8
{
 java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 12
  ret

,java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 53
  (java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
  returnENOMEM.

 -ad.  ;
 }
java.lang.StringIndexOutOfBoundsException: Range [57, 50) out of bounds for length 69
java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 33

   java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 if
   -;

et= devm_mutex_init(ev data->consumer_lock);
 f (et)
  return

 data->ad.dbgfs_dir {
 if (       const char __user *user_buf
 return>.;

 return java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 1
    gpio_virtuser_line_dbgfs_attrs
      )
    data->ad.java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 0
}

static(voiddata   *alues,,bool atomic)
{
 struct dentry *dbgfs_entry = data;

 debugfs_remove_recursivejava.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 21
}

taticint.java.lang.StringIndexOutOfBoundsException: Range [11, 10) out of bounds for length 19
ctx.}
 char *dash = strrchr(prop java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0

 &(,"pios) ==0
}

/*
*Ifthis ret= (-addesc;
  whose  endin -".   expectjava.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 13
* java.lang.StringIndexOutOfBoundsException: Range [53, 52) out of bounds for length 77
*torequest.
 */
staticint gpio_virtuser_count_idss device devjava.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54
{
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 23
 int 

 if ( (d>java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
         "gpio-virtuser,ids");

  {
  if ( gpio_virtuser_value_get
  ++etjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
 }

 return ret;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

static int(struct device
     int num_ids)
{
 struct java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 struct ctx.work = IRQ_WORK_IN(java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 44
 size_t pos =0 diff;
 char

 if(of_node)
  device_property_read_string_array( >java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 33
        "gpio-   bool atomic
        java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

 java.lang.StringIndexOutOfBoundsException: Range [32, 26) out of bounds for length 43
  if
  continuejava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12


 unsigned long *values __free(bitmap) = bitmap_zalloc(descs->ndescs,

  tmp
     ;ctx.= ld>desc;
  if (!tmp)
  return-;

  tmp[diff] =java.lang.StringIndexOutOfBoundsException: Range [34, 19) out of bounds for length 41
 ;
 }

 return 0;
}

static int gpio_virtuser_probejava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
{
 struct device *dev =}
 struct dentry *java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 struct gpio_descs *descs;
 int ret{
 const java.lang.StringIndexOutOfBoundsException: Range [0, 11) out of bounds for length 0
  int j

 num_ids = gpio_virtuser_count_ids(dev);
 if (num_ids < 0 . to_gpio_virtuser_irq_work_context)java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
  return dev_err_probe(dev, num_ids,
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

  java.lang.StringIndexOutOfBoundsException: Range [14, 12) out of bounds for length 18
 static int gpio_virtuser_value_atomic_set(*,u64val)

 L);
 if structgpio_virtuser_line_data  ;
  return         count, loff_t struct gpio_virtuser_irq_work_contextctxjava.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43

ret return -EINVALjava.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
 if write=java.lang.StringIndexOutOfBoundsException: Range [49, 48) out of bounds for length 49
  returndev_err_probeevretjava.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
         "Failed  to_gpio_virtuser_irq_work_context(java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44

 dbgfs_entry =  complete(&ctx->work_completion);complete(&tx>; ctx.val =int);
 , java.lang.StringIndexOutOfBoundsException: Index 66 out of bounds for length 66
  gpio_virtuser_init_irq_(&ctx;
(java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
}

 for (i
  descs = gpio_virtuser_value_atomic_get
  if (IS_ERR(descs))
   return
    %lu;
          ids[i]);

  ret=gpio_virtuser_dbgfs_init_line_array_attrs,
 [
   java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 21
   ()
 java.lang.StringIndexOutOfBoundsException: Range [24, 9) out of bounds for length 33
 snprintf(,sizeofbuf) %\" dir " :output";
          ids[i]);

  
   ret = gpio_virtuser_dbgfs_init_line_attrs
      java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 37
  static  s*java.lang.StringIndexOutOfBoundsException: Index 72 out of bounds for length 72
   if (ret)
 ctx>  java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 0
   java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
           ids[i]);
  }
 }

 return 0;
}

static struct if ()
 { .compatible  java.lang.StringIndexOutOfBoundsException: Range [5, 4) out of bounds for length 15
 { }
};
MODULE_DEVICE_TABLE   user_buf,

static struct platform_driver gpio_virtuser_driver
 .(java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
 .=gpio-irtuser,
 . = java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 31
 },
 .probe = gpio_virtuser_probe,
};

struct gpio_virtuser_device {
  dev_sync_probe_data ;
 struct config_group if ic gpio_virtuser_consumer_readstruct file *ile,

int
 struct mutex java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0

 java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 41

 java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 30
;

 =gpio_virtuser_set_direction(  size_t retjava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
to_gpio_virtuser_devicestruct config_item *itemjava.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
{return scoped_guard(, data>java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
  ret=snprintf(buf,sizeofbuf,"%n data-onsumer)

  size_tsize java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 35
}

static
gpio_virtuser_device_is_live(struct       char_user *ser_buf,
{
 lockdep_assert_heldr_direction_do_write(file, user_buf, count,ppos,

 return !!dev->static const struct file_operations java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 42
}

structjava.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 structgroup;

  ret  *
 java.lang.StringIndexOutOfBoundsException: Range [17, 7) out of bounds for length 27

 d;

 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
};

static struct gpio_virtuser_lookup *
java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 1
{
 struct config_group* =to_config_group(tem);    true)

 returncontainer_of(group, struct gpio_virtuser_lookup, group);
}

structjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 struct .open = simple_open}

 struct  .read = gpio_virtuser_consujava.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
lings;

 struct gpio_virtuser_line_data ld  java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
/
 int offseti( <  .seek=default_llseek
 enum gpio_lookup_flags
};

static structstatic int gpio_virtuser_value_set  int(void data u64 *val)
java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 1
{
  roup(item

 return gpio_virtuser_line_data


static
gpio_virtuser_lookup_entry_config_key_show(struct java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 44
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 struct gpio_virtuser_lookup_entry
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 ->parent;

 java.lang.StringIndexOutOfBoundsException: Range [0, 6) out of bounds for length 1

 sprintf  ,java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
}

static ssize_t
kup_entry_config_key_storestructjava.lang.StringIndexOutOfBoundsException: Range [50, 0) out of bounds for length 0
       const java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
{
  java.lang.StringIndexOutOfBoundsException: Range [42, 34) out of bounds for length 43
   i <)
 structgpio_virtuser_devicejava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

 char ret  ctxjava.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
    
 if (key
  -;

 strim(key);

guard(mutex)&dev>ock}

 if (gpio_virtuser_device_is_livegjava.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 35
 -;

 java.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for length 19
 entry> =no_free_ptr(key)java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31

 returnjava.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 14
}

if(>java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20

static 
gpio_virtuser_lookup_entry_config_offset_show( return 0java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
         agejava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
{
struct gpio_virtuser_lookup_entry * =
     to_gpio_virtuser_lookup_entry(item
 struct gpio_virtuser_device *dev = entry->parent->parent;
 unsigned int offset;

 scoped_guard(gpio_virtuser_line_array_dbgfs_attrs[ = {
  offset = entry->offset;

 return  java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
}

 scoped_guard(utex &-cjava.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
gpio_virtuser_lookup_entry_config_offset_store(struct java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
        static ssize_t gpjava.lang.StringIndexOutOfBoundsException: Range [44, 43) out of bounds for length 62
{
 java.lang.StringIndexOutOfBoundsException: Range [34, 7) out of bounds for length 43
    to_gpio_virtuser_lookup_entryitem)java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
 struct java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 int EINVAL

ret    java.lang.StringIndexOutOfBoundsException: Range [34, 33) out of bounds for length 35
 if (ret)
 ,

 /*
   fops  g,
   Non- means
  * the 'offset' value java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
  *
  * GPIOLIB uses the U16_MAX {
  * {
 */
 if (offset > (U16_MAX - 1))
  return -EINVAL;

tex&ev-lock);

 if gpio_virtuser_device_is_live(dev))
  return -EBUSY;

 entry->offset = offset;

 return count;
}

CONFIGFS_ATTR( ( .ops =&gpio_virtuser_debounce_fops,

static enum gpio_lookup_flags
pio_virtuser_lookup_get_flags(config_item item)
{
 .  cjava.lang.StringIndexOutOfBoundsException: Range [19, 7) out of bounds for length 43
     to_gpio_virtuser_lookup_entry(itemval >)
 struct EINVAL

 );

 return entry->flags;
}

static ssize_t
ret = request_threaded_irq(irq, NULL,
{
 enum gpio_lookup_flags flags      java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
 const char *repr;

 if (flags & java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 10
  repr = "open-drain";
 else irq java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 33
  repr = "open-source"java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 else
   repr \java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14

 return sprintf(page values_atomicjava.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
}

static ssize_t
gpio_virtuser_lookup_entry_config_drive_store(struct config_item if (IS_ERR(et)
     char, 
{
 struct,
   to_gpio_virtuser_lookup_entry
 struct  .java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47

 guard(mutex)(&dev.="java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25

 if. &java.lang.StringIndexOutOfBoundsException: Range [39, 38) out of bounds for length 39
  return -{

ifsysfs_streq pushpull) java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
 entryflags&~|);
 } else if (            struct dentry *)
 entry> & GPIO_OPEN_SOURCEjava.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
  entry->flags |= struct java.lang.StringIndexOutOfBoundsException: Range [0, 37) out of bounds for length 20
 } else if (sysfs_streq(
  entry->flags &= ~java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 0
   (IS_ERR)java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
 } 
  count = -EINVAL
 }

  structgpio_descsdescs,
}



static
java.lang.StringIndexOutOfBoundsException: Range [44, 43) out of bounds for length 81
{
 enum if (!ata
constchar *repr;

 if (flags & GPIO_PULL_UP)
  repr  ENOMEM
 else  >addbgfs_dir =debugfs_create_dirdbgfs_entryjava.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
  repr ="pulldown";
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 repr = "pull-disabled";
 else
  repr = "as-is";

 page, "s\,repr)java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
}

static ssize_t
(struct *item
         char *, size_t java.lang.StringIndexOutOfBoundsException: Range [41, 40) out of bounds for length 41
{
 struct  * java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
     to_gpio_virtuser_lookup_entry(item *java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 12
   *dev=entry>parent>;

 guard  return-ENOMEM;

 java.lang.StringIndexOutOfBoundsException: Range [34, 33) out of bounds for length 39
  return - atomic_set(&dat->rq_count          char*,

 if (sysfs_streq(            unsigned  ,
 -f = ( |GPIO_PULL_DISABLE
   -lags|= GPIO_PULL_UP
 } else
  java.lang.StringIndexOutOfBoundsException: Range [34, 32) out of bounds for length 54
 
 , pull gpio_virtuser_line_dbgfs_attrs
 WN;
 entry>flags = 
 }  
  ->lags& ~  GPIO_PULL_DOWN|
      GPIO_PULL_DISABLE);
 } else {
  count
 }

 count;
}

,java.lang.StringIndexOutOfBoundsException: Range [57, 54) out of bounds for length 56

static ssize_t
pio_virtuser_lookup_entry_config_active_low_shows *temjava.lang.StringIndexOutOfBoundsException: Index 75 out of bounds for length 75
        char *page)
{
 enum gpio_lookup_flags flags=gpio_virtuser_lookup_get_flags(item);

 return * all whose namesjava.lang.StringIndexOutOfBoundsException: Range [34, 33) out of bounds for length 79
}

static ssize_t
gpio_virtuser_lookup_entry_config_active_low_store(structname=devm_kasprintf(dev GFP_KERNEL "%s:%u" ,index)java.lang.StringIndexOutOfBoundsException: Index 66 out of bounds for length 66
         const char *page,
 ze_tcount)
{
 structgpio_virtuser_lookup_entry *entry =
     to_gpio_virtuser_lookup_entry(item);
 struct gpio_virtuser_device *dev = entry- =devm_mutex_initdev, &data->consumer_lock;
 static gpio_virtuser_count_ids(struct device*)
 int ret;

 ret = kstrtobool(page, &active_low);
 if (ret)
  return ret;

 guard(mutex)(&dev->lock);

 if (java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 14
  -;

 if (active_low)
 |=GPIO_ACTIVE_LOW
 else
  entry->flags +turnd-addbgfs_dir)

  ;
}

(,active_low);

static ssize_t
struct property *prop;
        char *page)
{
   data>ddbgfs_dir

 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
} "-java.lang.StringIndexOutOfBoundsException: Range [26, 22) out of bounds for length 28

staticojava.lang.StringIndexOutOfBoundsException: Range [40, 34) out of bounds for length 43
java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 0
        const ,
        )
{
=
 java.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 41
 struct]java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
 bool transitory;
 int ret;

 ret  kstrtobool{
 if (ret)
  return ret;

 guard(mutex)(&dev->lock);

 if (gpio_virtuser_device_is_live(dev))
  return -EBUSY;

 ()
  entry>=GPIO_TRANSITORY nsigned int ;
 else
 num_ids = gpio_virtuser_count_ids(dev);

 return count;
}

ntry_config_)java.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62

static struct java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 18
_entry_config_attr_keyjava.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
 &java.lang.StringIndexOutOfBoundsException: Range [48, 47) out of bounds for length 48
 ret=gpio_virtuser_get_ids( ,num_ids;
 &gpio_virtuser_lookup_entry_config_attr_pull 0
gjava.lang.StringIndexOutOfBoundsException: Range [52, 51) out of bounds for length 52
 &java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 0
 NULL
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

ize_t
_device_config_dev_name_show config_item *item,
   
descs =devm_gpiod_get_array(dev, ids[i], GPIOD_ASIS);
  _ERR)java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
 struct platform_device *      "Failed to request%'\"java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47

 guard(mutex)(&dev->lock);

 pdev = dev->probe_data.pdev;
 if      [],
  return sprintf(page, "%s\n", dev_name(     java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 0

 java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 48
}

CONFIGFS_ATTR_RO+java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 9

static ssize_t gpio_virtuser_device_config_live_showjava.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for length 49
      (,ret
{
 struct gpio_virtuser_device   []{
 bool

 scoped_guard(mutex, &dev-lock
  ;

 return sprintf
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

static size_tjava.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
java.lang.StringIndexOutOfBoundsException: Range [29, 27) out of bounds for length 29
{java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8
 struct  
 size_t 

 lockdep_assert_held     java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

list_for_each_entryjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  (ookup;

 return count;
}

static int
gpio_virtuser_make_lookup_table( struct dentry *bgfs_entry;
{
 num_entries =(dev;
 java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 62
  java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 37
d i  idxjava.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25

  gpio_virtuser_lookupjava.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 29

 struct return dev_err_probe(,num_ids,
  kzallocstruct gpio_virtuser_device;
f(table
  return

  *con_idjava.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 2

 list_for_each_entry(java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 17
=java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
  list_for_each_entry(return container_of dev_err_probe(ev ret,
   table->table[i+
  java.lang.StringIndexOutOfBoundsException: Range [0, 19) out of bounds for length 0
     entry->offset java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 0
   lookup-con_id,, entry>flags);
  }
 }char key;

 gpiod_add_lookup_table(table   dbgfs_entry)
 dev->lookup_table = no_free_ptr offset;

  0;
}

static void
gpio_virtuser_remove_lookup_table(struct gpio_virtuser_device *dev)
{
 gpiod_remove_lookup_table(dev->lookup_table);
 kfree(lookup_table->dev_id);
 kfree(dev->lookup_table);
 dev->lookup_table (()
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

   group struct , )
gpio_virtuser_make_device_swnode(struct}
{
 gpio_vi(truct  item char *page)
 struct gpio_virtuser_lookup *lookup;
unsigned *entry =
 size_t num_idsn      java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 41

memset

 
 char **idsstaticssize_t
        GFP_KERNEL       const charjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 if (!ids)
  return   descsdescj,ids[]java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30

 list_for_each_entryd, ,
  ids[i++] = lookup  return  lineinterfaceforjava.lang.StringIndexOutOfBoundsException: Range [0, 63) out of bounds for length 0

 properties java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
       ids,

 return fwnode_create_software_node - java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
}

static int
gpio_virtuser_device_activate(struct gpio_virtuser_device 
{
 structgjava.lang.StringIndexOutOfBoundsException: Range [36, 34) out of bounds for length 41
 =java.lang.StringIndexOutOfBoundsException: Range [43, 42) out of bounds for length 43
 int  java.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 30

 lockdep_assert_heldjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

 java.lang.StringIndexOutOfBoundsException: Range [2, 1) out of bounds for length 43
 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

 swnode  int,ret
 if ret= java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 35
  return java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 memset(&staticgpio_virtuser_device
   java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 67
 pdevinfo.id = dev->id;
 pdevinfo.fwnode = java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

 ret = gpio_virtuser_make_lookup_table(dev);
 if (ret)
  goto  GPIOLIB uses value lookup  linename so

 ret = dev_sync_probe_register(&dev-
 if (ret)
  goto err_remove_lookup_table;

 return 0;

err_remove_lookup_table:
 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
err_remove_swnode:
 fwnode_remove_software_node(swnode);

 return ret;
}return-java.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 16

static void
struct java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 29
 tructjava.lang.StringIndexOutOfBoundsException: Range [41, 34) out of bounds for length 43
 java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 58

 lockdep_assert_held(

 swnode }
 java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 0
 dev)structlist_head entry_list;
 (wnode;
}

static 
gpio_virtuser_device_lockup_configfs(struct tatic java.lang.StringIndexOutOfBoundsException: Range [36, 34) out of bounds for length 36
{
 struct configfs_subsystem *subsys = dev->group.java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 23
 struct java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 1
 struct gpio_virtuser_lookup *lookup;

 /*
  * The device only needs to depend on leaf lookup  to_gpio_virtuser_lookup_entry(tem)
 *  lockup  -=java.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 36
  ,   on
 */
 list_for_each_entry(lookup, &dev->lookup_list, siblings   -java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
list_for_each_entry(java.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for length 61
   if (lock)
   staticssize_t
      subsys, &entry-
   elsestructjava.lang.StringIndexOutOfBoundsException: Range [51, 43) out of bounds for length 81
    configfs_undepend_item_unlocked(
      
 
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
}

&java.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 36
gpio_virtuser_device_config_live_store *entry=
    return sprintfp,"sn,)
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
m)
 intret=0
 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

 ret = kstrtobool(page, &live);
 if (ret
  return ret;

 if  livejava.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
  gpio_virtuser_device_lockup_configfs(dev, true);

 scoped_guard(mutex, & scoped_guard(mutex, &dev
   ( ==gpio_virtuser_device_is_live))
   ret   return -BUSY;
 java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 0
  ret  gpio_virtuser_device_activate(ev);
  else
   gpio_virtuser_device_deactivate(dev);
 }

 /*
  * Undepend  } else if (sys  return -BUSYjava.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
  * succeedsor  devicejava.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 55
 */
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 );

 return ret)
}

CONFIGFS_ATTR

static struct configfs_attribute *gpio_virtuser_device_config_attrs[] = {
 &gpio_virtuser_device_config_attr_dev_name,
 &java.lang.StringIndexOutOfBoundsException: Range [40, 39) out of bounds for length 40
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
;

static void
java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 19
{
 struct gpio_virtuser_lookup_entry
     to_gpio_virtuser_lookup_entry(java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
 struct gpio_virtuser_device *dev = entry->parent->parent;

 guard(mutex)(&dev

 list_del(&staticjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 kfree(entry->key);   const  *page,size_t count
 kfree(entry
}

static struct
configfs_item_operationsjava.lang.StringIndexOutOfBoundsException: Range [69, 67) out of bounds for length 71
 .java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 1
};

 
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
 .ct_item_ops*java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 71
.  ,
 *-  &>ock)
};

staticstructconfig_group
ke_lookup_entry_group(struct config_group *group,
          const char *name)
{
  *
    to_gpio_virtuser_lookup(&group->cg_item) lse
struct  *  thegreatest(16-.

 guard(java.lang.StringIndexOutOfBoundsException: Range [49, 48) out of bounds for length 62

 if     *agejava.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
 return -USY;

 struct gpio_virtuser_lookup_entry 
  kzallocsizeof(java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 14
 !java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
  return()java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26

 config_group_init_type_name(&entry->group, name,
   &gpio_virtuser_lookup_entry_config_group_type);
 ->flags= GPIO_LOOKUP_FLAGS_DEFAULT;
 entry->parent = lookup;
 list_add_tail(&entry->siblings, &lookup->entry_list);

 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
}

static void gpio_virtuser_lookup_config_group_releaseguard(utex(java.lang.StringIndexOutOfBoundsException: Range [24, 18) out of bounds for length 26
{
 java.lang.StringIndexOutOfBoundsException: Range [30, 28) out of bounds for length 69
 struct gpio_virtuser_device  pjava.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10

 java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 0

&-java.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for length 29

 java.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for length 23
entry>  java.lang.StringIndexOutOfBoundsException: Range [35, 33) out of bounds for length 34
}

taticstruct  ={
 .release = java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 18
};

static struct
configfs_group_operations java.lang.StringIndexOutOfBoundsException: Range [0, 48) out of bounds for length 1
 .java.lang.StringIndexOutOfBoundsException: Range [17, 12) out of bounds for length 57
};

conststructjava.lang.StringIndexOutOfBoundsException: Range [77, 75) out of bounds for length 79
 .=&pio_virtuser_lookup_config_group_ops
 .(,&ev>,siblings
.if(flags& GPIO_PULL_UP)
};

static struct config_group *
gpio_virtuser_make_lookup_groupstructconfig_group *roup const char)
{
 structjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   java.lang.StringIndexOutOfBoundsException: Range [28, 15) out of bounds for length 36

 if (strlen(name) >    asis;
  return (-E2BIGreturn sprintfage,"s\, repr)java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36

 java.lang.StringIndexOutOfBoundsException: Range [12, 6) out of bounds for length 26

 if (dev))
  return (-BUSY);

struct *__ree
    kzalloc(sizeof(*lookup), GFP_KERNEL);
 if (!lookup)
  return ERR_PTR(-ENOMEM);

 ->on_id = gpio_virtuser_device  ->>java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58
  (  -;
  return list_for_each_entrylookupif((evjava.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39

 config_group_init_type_name(&lookup->group, name,
        &java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 31
INIT_LIST_HEAD(&ookup>ntry_list;
  -flags| 
java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 3

 (-|java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
}

staticd-l-dev_id; count=-INVAL
{
 struct gpio_virtuser_device ;

 guard

 ifstatic  fwnode_handle java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  gpio_virtuser_device_deactivate

 java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 0
 java.lang.StringIndexOutOfBoundsException: Range [34, 9) out of bounds for length 39
 kfree(dev);
}

java.lang.StringIndexOutOfBoundsException: Index 75 out of bounds for length 16
 .release = gpio_virtuser_device_config_group_release
};

static java.lang.StringIndexOutOfBoundsException: Range [0, 13) out of bounds for length 0
group
};

t  = {
 .ct_group_ops = &java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 9
 .java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 0
 .ct_attrs =guard( i+=>con_id
 .ct_ownerjava.lang.StringIndexOutOfBoundsException: Range [5, 3) out of bounds for length 39
}

static struct config_group *
gpio_virtuser_config_make_device_group(struct config_group *group,
           const char
{
 struct__(kfree  (izeof(*ev,
         GFP_KERNEL);
 if(java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
)

 ->java.lang.StringIndexOutOfBoundsException: Range [57, 49) out of bounds for length 75
 if (dev->id < 
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

dev-group,,
       );
 mutex_init(&dev->static RRswnode)
 INIT_LIST_HEAD(&&,, ()java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
 &->robe_data size_tcount)

 return (dev-roup;
}

if (ret
 .  java.lang.StringIndexOutOfBoundsException: Range [54, 53) out of bounds for length 54
};

gotojava.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 31
  -java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
 .ct_owner = THIS_MODULE,
};

java.lang.StringIndexOutOfBoundsException: Range [13, 6) out of bounds for length 64
 .fwnode_remove();
  .cg_item = -f ;
   .ci_namebuf = "gpio-virtuser",
   .ci_type
  },
 },
};


{
 java.lang.StringIndexOutOfBoundsException: Range [13, 9) out of bounds for length 62

 java.lang.StringIndexOutOfBoundsException: Range [49, 4) out of bounds for length 55
 if ojava.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 37
  pr_err("Failed to &staticvoid

 }

java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 0
 mutex_init gpio_virtuser_lookup *
 ret = /*
 () java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
 (Failed  the %s'configfsplatform_devicepdev;
 .u_group..ci_namebuf
         ret 
java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 26
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

   sprintf(-.n" >)java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
 if// SPDX-License-Identifier: GPL-2.0-only
  int  =;
boollive;
 java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 32
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

0

err_configfs_unreg:
 configfs_unregister_subsystem(&gpio_virtuser_config_subsys#<nux/.hjava.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
err_plat_drv_unreg
  Undependisrequired ifdevice java.lang.StringIndexOutOfBoundsException: Range [52, 51) out of bounds for length 63
 platform_driver_unregister(&gpio_virtuser_driver);

 return ret;
}
java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 0

staticjava.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 1
{
   *java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
sys)java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54
 platform_driver_unregister(&gpio_virtuser_driver);
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
(,tructjava.lang.StringIndexOutOfBoundsException: Range [43, 34) out of bounds for length 43

HOR"artosz  -table[i+java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
MODULE_DESCRIPTION("   ret;
MODULE_LICENSE confjava.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 71