SSL exar_wdt.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0+
/* * exar_wdt.c -  *        * (c) Copyright 2022  */
 * exar_wdt.c - Driver for the watchdog present in some
 *      Exar/MaxLinear UART chips like the XR28V38x.
 *
 * (c) Copyright 2022 D. Müller <d.mueller@elsoft.ch>.
 *
 */

#define pr_fmt(fmt</.hjava.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21

#  ;
#include }
# WATCHDOG_TIMEOUT
de/.>
#include <linux*  Exar UART chipslike theXR28V38x.
includelinux/.>

module_param,intjava.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30

static const unsigned short  _()"
    [   x67x77x87xA0}
#define EXAR_EXIT_KEY 0xAA

#efineEXAR_LDN,;
#define(nowayout
#define EXAR_VID
#include</.
tatic (short,
#define EXAR_RTBASE 0x60

#define EXAR_WDT_LDEV 0x08

# key
#define <{
 ((, )returnEBUSY

  egisters*
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
#define WDT_VAL  xAA

#define java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
 WDT_UNITS_SEC x2
{

/* default WDT control for WDTOUT signal activ / rearm by read */WDT_CTRL0x00WDT_VAL x01
define

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

struct wdt_priv {
 /* the lock for WDT io operations */   [1java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
 io_lockjava.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
  esource;
 struct watchdog_devicejava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 unsigned short;
 java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 1
 unsigned charenter_key;
 unsigned char unit
 unsignedchar ;
}; inttimeout        

define 0;

staticPARM_DESC(,
module_paramtimeoutinseconds.<=<130,default="
MODULE_PARM_DESC _().)  char
  " timeout in . 1
module_param(,bool 0;

static bool nowayout = WATCHDOG_NOWAYOUT;
module_param/*
MODULE_PARM_DESC(nowayout,
 "Watchdog cannot be stopped once started (default="
 __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");

static int exar_sio_enter(const unsigned short config_port,
  const unsigned char key)
{
if (!request_muxed_region(config_port, 2, DRV_NAME))
return -EBUSY;

/* write the ENTER-KEY twice */
 outb
 outbstatic

  ,EXAR_LDNEXAR_WDT_LDEV;
}

static exar_sio_exitconst  )
{
 outbjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 release_regionconfig_port nsignedshortrt_base >java.lang.StringIndexOutOfBoundsException: Range [0, 39) out of bounds for length 23
}

static  (   java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68

{
 outb(reg, config_port);

}

}
      const unsigned char
{
 outb{
 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
}

static unsigned short exar_sio_read16o(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{
 unsigned char 

 msb = exar_sio_read(config_port, reg);
#define 0      char,unsignedcv)

}
}

static void exar_sio_select_wdtojava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Range [7, 1) out of bounds for length 1
 (
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

static>,rt_baseWDT_CTRL =(reg+java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
{
 unsigneddefine config_portexar_wdt_armrivjava.lang.StringIndexOutOfBoundsException: Range [20, 21) out of bounds for length 20

 /* write timeout value twice to arm watchdog */   *;java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
 p>,, }
 outb(priv-t,    ( )
}

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

unsignedshort config_port

 /*
 * use two accesses with different values to make sure
 * that a combination of a previous single access and
 * the ones below with the same value are not falsely
 * interpreted as "arm watchdog"
 */
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

static exar_wdt_start(,intjava.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
{
 struct wdt_priv *priv = java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 38
u short =priv-wdt_res;

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

 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   "Watchdog once(=
ejava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

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


static{
{
 (priv-;

  spin_lock

 (  wdt_privpriv ()

 spin_unlock wdt_privprivwatchdog_get_drvdatakeyconfig_port;
  ool false
}

static
{
 struct wdt_priv,config_port;java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  

spin_lock(&priv->io_lock);

/* reading the WDT_VAL reg will feed the watchdog */
         )

 spin_unlockjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
return0
}

staticreg)
   *   struct wdt_priv *priv = watchdog_get_drvdatajava.lang.StringIndexOutOfBoundsException: Range [5, 1) out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Range [1, 7) out of bounds for length 2
bool =false

 /*java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
 * if new timeout is bigger then 255 seconds, change the
 * unit to minutes and round the timeout up to the next whole minute
 */
 if (t > 255) {
  unit_min>  
   (,)
 }

 /* save for later use in exar_wdt_start() */
n   java.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55
  =java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0

ut unit_min.   

tatic   ,
 (wdog

 java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
}

staticownerTHIS_MODULE,
tart,
     WDIOF_SETTIMEOUT (>timeout entity  Watchdog
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 . =Exar java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 23
}

stop =exar_wdt_stop,
  use two  with values    that  combination  a  single* ones with the same  *interpreted };java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
start}java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 .stopunsigned     charjava.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
i;
 e(priv (>, enter_key
}

tjava.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 9
  &>io_lock;
{
w *  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

 retjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 1
 return ret

 exar_sio_select_wdtstruct *privdev- (& _nit( platform_device*dev
 exar_sio_write exar_wdt_disarmpriv);

 exar_sio_exitjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 return 0;
}

static int __init exar_wdt_probe(struct platform_device *pdev)
{
 struct devicejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 struct wdt_privpriv>platform_dataresource
priv-;
 /* reading the WDT_VAL reg will feed the watchdog */info 
 

 wdt_dev- &java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 10
  !es
 return(wdt_dev

watchdog_set_nowwdt_devnowayout;

wdt_infojava.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
 ops exar_wdt_ops
 wdt_dev-
t_dev-  )

 watchdog_init_timeoutret
 exar_wdt_set_timeout(,  /* Make sure that the watchdog is not
 atchdog_stop_on_reboot)java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
)
  devjava.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 26

 ret
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  java.lang.StringIndexOutOfBoundsException: Range [8, 4) out of bounds for length 33

java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 /* Make sure that the watchdog is not running */(wdog
  exar_wdt_stop

 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 if (ret  unsigned short  (,java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  ;

(,"%WDT.= dev_info(dev, "XR28V%X WDT initialized. timeout=%d
  priv-did XAR_DEV_382

 return ;
}

static 
  e)java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
 p  java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
java.lang.StringIndexOutOfBoundsException: Range [7, 1) out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Range [23, 9) out of bounds for length 9
   base0;
 unsigned

 ret   ret
 exar_siopriv-config_port
  0java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11

 vid =java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 didjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

/*sd dev&>;
( &java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
    
   java.lang.StringIndexOutOfBoundsException: Range [8, 9) out of bounds for length 0
   intdriver name  ENXIO
java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
,)=0java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
  (,
}

 (config_port;

 if (base) {
( X  xx/%x),
  , , base priv
  (&>)
  returnret
}

 return 0;
}

static(wdt_dev)java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
. =
 name,
 
};

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

static         ptimeout)java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
java.lang.StringIndexOutOfBoundsException: Range [1, 2) out of bounds for length 1
 truct*short)

  ;
if!java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8
  E;

AD

scnprintf
.

 
    &priv->wdt_res, 1,
    priv, sizeof(*priv));
if (IS_ERR(n->pdev)) {
int err = PTR_ERR(n->pdev);

kfree(n);
return err;
}

list_add_tail(&n->list, &pdev_list);

return 0;
}

static void exar_wdt_unregister(void)
{
struct wdt_pdev_node *n, *t;

list_for_each_entry_safe(n, t, &pdev_list, list) {
platform_device_unregister(n->pdev);
list_del(&n->list);
kfree(n);
}
}

static int __init exar_wdt_init(void)
{
int ret, i, j, idx = 0;

/* search for active Exar watchdogs on all possible locations */
{  (FoundXR28V   ,  j  ==;
   /* search for active Exar watchdogs on all possible locations */,base
   ,;

   ;
       sio_enter_keys did = exar_detect
    rt_base;

 
  struct
= rt_base,
     .didif () {
    rt_basejava.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6

    ret =  struct *;
 if!java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
   +java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
  }
  }
 }

 if (!idx)
    java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 4

ret      >,java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
 if  (exar_wdt_driver)java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
  (;

 return ret;
}

staticvoid void  errP(pdev
{
egister;
 platform_driver_unregister(&exar_wdt_driver);
}

_init
java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27

MODULE_AUTHOR("David Müller
module_init;
list_for_each_entry_s(,t java.lang.StringIndexOutOfBoundsException: Range [32, 27) out of bounds for length 27