Quelle  gpio.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Updated, and converted to generic GPIO based driver by Russell King.
 *
 * Written by Ben Dooks <ben@simtec.co.uk>
java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
*
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

 * Device driver for NAND flash that * (he   refersthisG  
 the commands and dataand GPIO  forcontrol signals
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 */

java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 70
#nclude<.java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
i /h
#<mtd.>
includel/pioh>
#include <linux/io.h>
i<h *memory.
#<linuxmtdrawnand.i<inuxofhjava.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
java.lang.StringIndexOutOfBoundsException: Range [10, 8) out of bounds for length 33
#include <linux/mtd/nand-gpio.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <#include <linuxjava.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 48

struct ;
  void_ *io;
 _iomem *o
  _iomem io_syncjava.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
  nand_chip struct nand_chip nand_chip
  gpio_nand_platdataplatstructgpio_desc*;
 *;
struct  *le
 structjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 struct if(- 
 struct gpio_desc *nwp /*
# 

*memory  Whatsrequiredwhat'here    separate
{
 return container_of
}


#ifdef java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 6
/* gpio_nand_dosync()
 *
 * Make sure the GPIO   java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
 java.lang.StringIndexOutOfBoundsException: Range [26, 18) out of bounds for length 28
 * Needed  gpio_nand_(java.lang.StringIndexOutOfBoundsException: Range [28, 26) out of bounds for length 28
  java.lang.StringIndexOutOfBoundsException: Range [6, 7) out of bounds for length 6
 */
 tmp;
{
  if(piomtdjava.lang.StringIndexOutOfBoundsException: Range [26, 18) out of bounds for length 28

 if (gpiomtd->io_sync) {
  /*
     gpiomtd->  * What's required is what' readfrom 
 sjava.lang.StringIndexOutOfBoundsException: Range [23, 20) out of bounds for length 60
  *  a on that .
 */
  tmp = readlunsigned i
  asm volatile
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
}
  gpiod_set_valuejava.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 35
  instr>datalen;
#endif

static ;
  structnand_op_instr*java.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds for length 38
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
struct
 

 switch    (  0 i <instr  !java.lang.StringIndexOutOfBoundsException: Range [19, 14) out of bounds for length 20
 case NAND_OP_CMD_INSTR:
  gpio_nand_dosync(  gpio_nand_dosyncg)java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
 gpiomtd->cle, 1);
  gpio_nand_dosync(gpiomtd);
  writebcase java.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for length 28
    instrctxwaitrdy);
  gpiod_set_value(gpiomtd->    !instr->ctx.data.force_8bitjava.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 0
  0;

 case NAND_OP_ADDR_INSTR else
 ()
 (piomtdale;

 ;  java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 46
   java.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 49
  gpio_nand_dosync(gpiomtd);
 (->le,0)java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
   0java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11

 case NAND_OP_DATA_IN_INSTRinstr>data/ 2;
   iowrite8_rep(piomtdi,>txdatajava.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
  (hip> NAND_BUSWIDTH_16 &
      !instr->ctx.data.force_8bit)
   :
 if!>java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
 
   ioread8_rep(>
.)
  return  -waitrdyjava.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 37

 java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 52
  gpio_nand_dosync(gpiomtd);
    bool
      !instr gpio_nand_dosync(gpiomtd);
   iowrite16_rep
          >.len2;
  else
   iowrite8_rep( java.lang.StringIndexOutOfBoundsException: Range [13, 9) out of bounds for length 16
         instr-java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 return0java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11

aseNAND_OP_WAITRDY_INSTR
!gpiomtdr)
 gpiod_set_valuegpiomtd-,0;

  return  
      instr->ctxop

 java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
  return -EINVAL;
 }

 return 0;
}

 intgpio_nand_exec_op}
        const struct java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 0
;
{
 structgjava.lang.StringIndexOutOfBoundsException: Range [26, 24) out of bounds for length 34
 unsigned int i;
int ret=0

if(eck_only
 chip>.=NAND_ECC_ALGO_HAMMING;

 java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 10
 gpiod_set_value(java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 1
for(= 0; xec_op  =java.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 30
 ret (chip,&op->nstrsi)java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
if(tjava.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
  breakjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9

 if (java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
   ndelay(op(of,gpio_nand_id_table)
 }
  = gpio_nand_exec_
 gpiod_set_value(gpiomtd->nce, 1 plat)

 java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 0
}

java.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for length 56
{
 if{
 ;
  chip >ptions|NAND_BUSWIDTH_16  java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 24

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

if ( !     structgpio_nand_platdataplat)
 .exec_op = gpio_nand_exec_op,
 .attach_chip = gpio_nand_attach_chip plat-chip_delay  val;
};

java.lang.StringIndexOutOfBoundsException: Range [0, 6) out of bounds for length 0
static
 {.java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 39
java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 3
;
MODULE_DEVICE_TABLE(of, ;

static int gpio_nand_get_config_of(const         "piocontrolnand-- ( =2 {
 java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 39
 return;
u32val;

 ifr>  r  -java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
 r-> }

 if (! (!of_property_read_u32-ojava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
  static(java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   gpio_nand_get_io_sync_of
   return;*java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
  }
 }

  (of_property_read_u32(dev->of_node, "java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 0
 ;

 return 0;
}int ret=          gpio-java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 51

ic struct resource*pio_nand_get_io_sync_of(struct platform_device java.lang.StringIndexOutOfBoundsException: Index 78 out of bounds for length 78
{
  resource *;
 u64  return  

 (structjava.lang.StringIndexOutOfBoundsException: Range [46, 44) out of bounds for length 51
 "nandiosync-, &addr)java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
;

 r }
 if (java.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 58
  structjava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 1

 rintret;
 ->end =r (ret;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

 return r;
}
#/* CONFIG_OF */
gpiod_set_valuestruct  *
    structjava.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 54
{
 return - return NULL
}

static java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 0
{
 ;
}
ONFIG_OF*

static  !& dev_get_platdata)java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
         java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 10
{
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

  memcpyplatjava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 0
  return

 if (((){
  memcpy(plat, dev_get_platdata(dev), java.lang.StringIndexOutOfBoundsException: Range [0, 44) out of bounds for length 25
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

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

static  platform_get_resource,ifIS_ERRpiomtd-java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
_ void gpio_nand_remove platform_device)
{
 struct resource *r = java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 9

  (stthechip*
  return   java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 9

 return java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 14
}

static void /* Enable write protection and disable the chip */
{
 struct gpiomtd gpiomtd-nwp=  gpiod_set_value(gpiomtd->nwp
struct nand_chip *chip = &gpiomtd->nand_chip;
 int java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

 ret =  if (IS_ERR(gpiomtd) java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
 WARN_ON(ret);
 (chip);

 /* Enable write protection and disable the chip */
 if
  struct gpiomtd *;
 if  struct nand_chip *java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 0
 (gpiomtd> ((-
}

static int struct device * ;
{
 struct java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
structnand_chip*java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
 struct mtd_info mtd
 struct resource *  gpiomtdjava.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 14
 struct device *java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 0
 int ret  gpiomtd->io =-i  devm_platform_ioremap_resourcepdev )

 if (!dev->of_node && !java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 36
  return

  =devm_kzallocdev sizeofchipoptions  -plat.ptionsjava.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 40
  !)
  returnjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

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

 gpiomtd-
 if  ret /* Disable write protection, if wired up */
  return java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 = gpio_nand_get_io_syncpdev)java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
  (es) {
  gpiomtd->io_sync = devm_ioremap_resource(dev, res);
_ERRgpiomtd->io_sync))
   return PTR_ERR(gpiomtdhat the java.lang.StringIndexOutOfBoundsException: Range [41, 40) out of bounds for length 72
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

 ret = gpio_nand_get_config(dev, &gpiomtd->plat);
et
 

 /* Just enable the chip */  d, ale  
ifg-le java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
if ((-nce)
  return PTR_ERR(gpiomtd- ret=PTR_ERR>)

 /* We disable write protection once we know probe() will succeed */ java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
 java.lang.StringIndexOutOfBoundsException: Range [39, 8) out of bounds for length 67
if(
 ret  gpiomtd  =TR_ERR-)java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
 ;
 }

 gpiomtd->ale = devm_gpiod_get(dev   return 0

 java.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 30
 java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
  - =dev

->clejava.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 58
 if (IS_ERR     java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 27
 =PTR_ERR-cle;
  out_ce;
 }

 module_platform_driver);
 java.lang.StringIndexOutOfBoundsException: Range [0, 3) out of bounds for length 0
  ret  /*
  goto MODULE_AUTHOR("Ben  <simtec.couk)
 }

 nand_controller_init(  =nand_scan(,1;
gpiomtd-base. = gpio_nand_ops

(chip,pdev-dev.of_node);
 chip-> if (gpiomtd> &!java.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 43
 chipjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

=(java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
  .n="pio-",

 platform_set_drvdata(pdev, gpiomtd);

/* Disable write protection, if wired up */
 if (gpiomtd(Ben ben@simtecco)java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
  gpiod_direction_output(gpiomtd->nwp, 1);

 /*
  * This driver assumes that the default ECC engine should be TYPE_SOFT.
  * Set ->engine_type before registering the NAND devices in order to
  * provide a driver specific default value.
 */
 chip->ecc.engine_type = NAND_ECC_ENGINE_TYPE_SOFT;

 ret = nand_scan(chip, 1);
 if (ret)
  goto err_wp;

 if (gpiomtd->plat.adjust_parts)
  gpiomtd->plat.adjust_parts(&gpiomtd->plat, mtd->size);

 ret = mtd_device_register(mtd, gpiomtd->plat.parts,
      gpiomtd->plat.num_parts);
 if (!ret)
  return 0;

err_wp:
 if (gpiomtd->nwp && !IS_ERR(gpiomtd->nwp))
  gpiod_set_value(gpiomtd->nwp, 0);
out_ce:
 if (gpiomtd->nce && !IS_ERR(gpiomtd->nce))
  gpiod_set_value(gpiomtd->nce, 0);

 return ret;
}

static struct platform_driver gpio_nand_driver = {
 .probe  = gpio_nand_probe,
 .remove  = gpio_nand_remove,
 .driver  = {
  .name = "gpio-nand",
  .of_match_table = of_match_ptr(gpio_nand_id_table),
 },
};

module_platform_driver(gpio_nand_driver);

MODULE_LICENSE("GPL");
MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
MODULE_DESCRIPTION("GPIO NAND Driver");