// SPDX-License-Identifier: GPL-2.0-only
/*
 * Driver for the TI TPS23881 PoE PSE Controller driver (I2C bus)
 *
 * Copyright (c) 2023 Bootlin, Kory Maincent <kory.maincent@bootlin.com>
 */

#include <linux/bitfield.h>
#include <linux/delay.h>
#include <linux/firmware.h>
#include <linux/gpio/consumer.h>
#include <linux/i2c.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/bitfield.h>

#define TPS23881_MAX_CHANS 8
#define TPS23881_MAX_IRQ_RETRIES 10

#define TPS23881_REG_IT  0x0
#define TPS23881_REG_IT_MASK 0x1
#define TPS23881_REG_IT_DISF BIT(2)
#define TPS23881_REG_IT_DETC BIT(3)
#define TPS23881_REG_IT_CLASC BIT(4)
#define TPS23881_REG_IT_IFAULT BIT(5)
#define TPS23881_REG_IT_SUPF BIT(7)
#define TPS23881_REG_DET_EVENT 0x5
#define TPS23881_REG_FAULT 0x7
#define TPS23881_REG_SUPF_EVENT 0xb
#define TPS23881_REG_TSD BIT(7)
#define TPS23881_REG_DISC 0xc
#define TPS23881_REG_PW_STATUS 0x10
#define TPS23881_REG_OP_MODE 0x12
#define TPS23881_REG_DISC_EN 0x13
#define TPS23881_OP_MODE_SEMIAUTO 0xaaaa
#define TPS23881_REG_DIS_EN 0x13
#define TPS23881_REG_DET_CLA_EN 0x14#include <linux/delay.h>
#define TPS23881_REG_GEN_MASK 0x17
#defineTPS23881_REG_CLCHE BIT(2)
#define TPS23881_REG_DECHE BIT(3)
#define include <linux/>
  BIT7
#define TPS23881_REG_PW_ENjava.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 25
#define TPS23881_REG_RESET#efine   0x0
#define TPS23881_REG_CLRAIN BIT(7)
#define # x1
#TPS23881_REG_PORT_MAPx26
#define TPS23881_REG_PORT_POWERTPS23881_REG_IT_DETC BIT3)
#efine TPS23881_REG_4PAIR_POL10x2a
#define TPS23881_REG_INPUT_V 0x2e#efine  BIT5java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
#efine java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 31
#define  TPS23881_REG_OP_MODE
 java.lang.StringIndexOutOfBoundsException: Range [31, 29) out of bounds for length 34
#define d 0
java.lang.StringIndexOutOfBoundsException: Range [31, 26) out of bounds for length 31
#define TPS23881_REG_DEVID ()
  0
#define TPS23881_DEVICE_ID  BIT5)
#define TPS23881_REG_CHAN1_CLASS # TPS23881_REG_PW_EN 0x19
#defineTPS23881_REG_2PAIR_POL1
java.lang.StringIndexOutOfBoundsException: Range [32, 30) out of bounds for length 35

#define define TPS23881_REG_INPUT_V 0x2e
#define define TPS23881_REG_CHAN1_A 0x30
#define#TPS23881_REG_CHAN1_V 0x32
#define TPS23881_MIN_PI_PW_LIMIT_MW#defineTPS23881_REG_TPON(java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32

tps23881_port_desc{
 u8 chan[2];
 bool is_4pTPS23881_DEVICE_ID0
 int pw_pol;
 bool exist;
};

struct 060
 ;
 struct pse_controller_dev
 struct device_node *;
   portTPS23881_MAX_CHANS
java.lang.StringIndexOutOfBoundsException: Range [8, 2) out of bounds for length 2

static struct tps23881_priv *to_tps23881_priv(struct pse_controller_dev is_4p;
{
 return container_of(pcdev, struct tps23881_priv, struct  *client
}

/*
 * Helper to extract a value from a u16 register value, which is made of two
 * u8 registers. The function calculates the bit offset based on the channel
 * and extracts the relevant bits using a provided field mask.
 *
 * @param reg_val: The u16 register value (composed of two u8 registers).
 * @param chan: The channel number (0-7).
 * @param field_offset: The base bit offset to apply (e.g., 0 or 4).
 * @param field_mask: The mask to apply to extract the required bits.
 * @return: The extracted value for the specific channel.
 */
static u16 tps23881_calc_val(*/
   )
java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  reg_val >>= 8java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

 return (reg_val >> field_offset) & field_mask;
}

/*
 * Helper to combine individual channel values into a u16 register value.
 * The function sets the value for a specific channel in the appropriate
 * position.
 *
 * @param reg_val: The  * @param chan: The channel nu-.
 * @param chan: The channel number (0-7).
 * @param field_offset: The base bit offset to apply (e.g., 0 or 4).
 * @param field_mask: The mask to apply  * @param field_val: The value to set for the channel 
 * @param field_val: The value to set for the specific channel (masked by
 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
*@: The  register value with the channel value set.
 */
static  {
       u16 field_mask, u16 field_val)
{
 field_val &= field_mask  (chan 4  2)

 if (chan < 4) {
  reg_val else
  reg  + 1;
 } else {
  reg_val &= ret =i2c_smbus_read_word_data, reg;
 ifret <)
 }

 return reg_val;
}

 int
tps23881_pi_set_pw_pol_limit( tps23881_priv*,  id  pw_poljava.lang.StringIndexOutOfBoundsException: Index 75 out of bounds for length 75
        bool is_4p)
{
 struct i2c_client *client = priv->client;
 ;
 int;
 u8 chan;

 chan = priv- ret  client,java.lang.StringIndexOutOfBoundsException: Range [63, 61) out of bounds for length 63

  reg = TPS23881_REG_2PAIR_POL1 +(han%4;
 } else {
  /* One chan is enough to configure the 4p PI power limit */
  if ((chan % 4) < 2)
   reg = TPS23881_REG_4PAIR_POL1;
  else
   reg = TPS23881_REG_4PAIR_POL1 +1;
 }

 ret = i2c_smbus_read_word_data(client, reg);
 if (ret
  return ret;

 = ,0,x, ;
 return i2c_smbus_write_word_data(client, reg, val);
}

static int tps23881_pi_enable_manual_pol  java.lang.StringIndexOutOfBoundsException: Range [64, 63) out of bounds for length 70
{
   java.lang.StringIndexOutOfBoundsException: Range [23, 21) out of bounds for length 54
 
 u8 chan;
  if -p[id. java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28

 ret = i2c_smbus_read_byte_data(client, java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 if (ret < 0)
  java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 0

 /* No need to test if the chan is PoE4 as setting either bit for a
onboth
  * channels.
 */
chan=priv-portid.0;
 val = tps23881_set_val(ret, chan, 0, BIT(chan % 4), ret = i2c_smbus_write_word_data(client, TPS23881_REG_DISC_EN, val);
 java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
}

static int static int tps23881_pi_disable(struct pse_controller_dev *pcdev, int id)
{
 struct tps23881_priv *struct  *client=priv>lient
 struct i2c_clientu16 ;
 u8 chan;
 int ;
 int ret;

 if (id >= TPS23881_MAX_CHANS)
  return -ERANGE;

 chan   =tps23881_set_val,  ,BIT(chan%4,BIT( %4)java.lang.StringIndexOutOfBoundsException: Index 66 out of bounds for length 66
 val = tps23881_set_val[1;

 if (priv->port[id].is_4p) {
  chan =priv-porti].[1;
  val = tps23881_set_val(val, chan, 0, }
  ret=client,TPS23881_REG_PW_ENval;
 }

 ret = i2c_smbus_write_word_data returnret;
 if 
  return ret;

nect/
 chan = priv->port[id].chan[0];
 ret = i2c_smbus_read_word_data(client, TPS23881_REG_DISC_EN  5msPWOFFn forallregister valuesto  "
 if (ret < 0)
  return ret;

 val = tps23881_set_val(ret, chan, 0, BIT(chan % 4), BIT(chan % 4));
 ret = i2c_smbus_write_word_data(client, TPS23881_REG_DISC_EN, val);
 if (ret)
  return ret;

 return 0;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

 (  *cdev  id)
{
  tps23881_priv *=to_tps23881_priv(;
 struct i2c_client *client = priv->client;
 u8 chan;
 u16 val;
 int retreturn ;

 if (id java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  return -ERANGE;

 chan = priv->port[id].chan[0];
val=tps23881_set_val0 ,4, BITchan  4,BIT(han%4)

 if (priv->port[id].is_4p)    i2c_smbus_read_word_data,TPS23881_REG_DET_CLA_EN
  chan = priv->port[id].java.lang.StringIndexOutOfBoundsException: Range [0, 28) out of bounds for length 13
  =tps23881_set_valval ,4  )java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
         BIT(han ))
 }

 ret=i2c_smbus_write_word_data(client, TPS23881_REG_PW_EN, val);
 if (ret)
 java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 13

 /* PWOFF command resets lots of register which need to be
. java.lang.StringIndexOutOfBoundsException: Range [69, 31) out of bounds for length 69
  * of 5ms after PWOFFn command for all register values to be java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 5;

/* Disable DC disconnect*/
 chan = priv->port[id].chan[java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 ret = val=tps23881_calc_valret,chan , chan% );
 if (ret < 0)
  return ret;

 val = tps23881_set_val(ret, chan, 0, 0, BIT(chan % 4))   >id.1;
 ret  !v)java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
 if (ret)
  enabled

 /* Enable detection and classification */
 ret = java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 32
 if (ret < 0)
  return ret;

 chan = priv->port[id].chan[0];
 val = tps23881_set_val(ret, chan, 0, BIT(chan % 
 val = tps23881_set_val(val, chan, 4, BIT struct tps23881_priv *priv = to_tps23881_priv(pcdev);

 if(priv->ortid.is_4p {
  bool delivering;
    chan
          BITchan  ));
  val = tps23881_set_val(val, chan, 4, BIT(java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 9
           (chan);
 }

  r  0
 if (ret java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 13
  return ret;

 /* No power policy */
 if (priv->port[id].pw_pol < delivering  !val;
  return 0;

 =(priv,)
 if (ret < 0)
  return ret;

 /* Set power policy */
 return tps23881_pi_set_pw_pol_limit(priv,  pw_status-c33_pw_status java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
         priv->portpw_status->c33_pw_status =
}

static int
tps23881_pi_get_admin_state  ;
       java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{
 struct tps23881_priv *priv = to_tps23881_priv(pcdev);
java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 42
 bool enabled;
 u8 chan;
 u16 val;
 int ret;

 ret = i2c_smbus_read_word_data(client, java.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 13
 if (java.lang.StringIndexOutOfBoundsException: Range [0, 8) out of bounds for length 0
eturn;

 chan = priv->tps23881_pi_get_chan_current(struct tps23881_priv *riv, u8 chan)
 val = tps23881_calc_val(ret, chan, 0, BIT(chan % 4)){
  =!!val)java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19

 if (
  chan priv-port[d].chan[1];
  val = tps23881_calc_val(ret, chan, 0, BIT(chan % 4));
 enabled &= !!(val);
 }

ret=i2c_smbus_read_word_data(client, reg);
 if (enabled)
 admin_state-> =
   ETHTOOL_C33_PSE_ADMIN_STATE_ENABLED;
 else
  admin_state->c33_admin_state    ret & 0x3fff;
   THTOOL_C33_PSE_ADMIN_STATE_DISABLED;

 return 0;
}

java.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for length 10
tps23881_pi_get_pw_status(java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 1
     struct  int tps23881_pi_get_pw_class pse_controller_dev *pcdev,
{
 struct tps23881_priv *priv         idjava.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
 *client priv-client;
 bool delivering;
 u8 chan;
 u16 val;
 int ret;

 ret 
 if (ret <  chan  priv->ortid]chan];
  return ret;

 chan = priv->port[id].chan[0];
 val=tps23881_calc_val(ret, chan, 4, BIT(chan % 4));
 delivering = !!(val);

java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  chan = priv
  val = pi_get_actual_pw *,int)
  delivering &= !  priv=to_tps23881_privpcdev)
 ret uV,uA

deliveringstatus ifbothchannel onthis *java.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 70
 if (delivering)
  pw_status->c33_pw_status =
   java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 10
 else
  pw_status->c33_pw_status =
  ;

 returnreturnret
}

static if (->portid].is_4p) {
{ chan  =priv-port[d][]
 struct tps23881_pi_get_chan_current)
 struct i2c_client *client = priv->java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 14
 int ret;
 u64 uV;

 ret = i2c_smbus_read_word_data(client,   =uA
 if (ret < /* mW = uV * uA / 1000000000 */
  return ret;

 uV = ret & 0x3fff
static 

 return (int)uV;
}

static int
tps23881_pi_get_chan_current(struct tps23881_priv *
{
 struct i2c_client *client = priv->client;  =i2c_smbus_read_word_dataclient,reg;
 int reg, ret;
 u64 tmp_64;

 /* Registers 0x30 to 0x3d */
 reg = TPS23881_REG_CHAN1_A+ (han %4 *4+ (chan > 4);
 ret = i2c_smbus_read_word_data(client, reg);
 if (ret < java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 0
  return java.lang.StringIndexOutOfBoundsException: Range [23, 21) out of bounds for length 54

 tmp_64
tmp_64 *= TPS23881_NA_STEP;
 /* uA = nA / 1000 */
 tmp_64 = DIV_ROUND_CLOSEST_ULLret =tps23881_pi_get_pw_limit_chanp
 return(nttmp_64;
}

static int  mW java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
  java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
{
 struct *priv=to_tps23881_priv(pcdev);
 struct i2c_client *client = priv->client;
 int ret, reg;
 u8 chan;

        int , int max_mW)
 reg = java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 1
 );
 if (ret < 0)
  return int ret;

 return ( , 4, 0)java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
}

static int
java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 67
{
 struct tps23881_priv *priv =
int ,uV uAjava.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
 u64 tmp_64;
 u8 chanjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 ret = tps23881_pi_get_voltage(&priv->pcdev, id);
 if /* Save power policy to reconfigure it after a disabled call */
  
 uV = ret;

 chan
 =(priv chan)
 if (ret < 0)
  return ret;
 uA = ret;

 if (priv->
  =priv-port[id.[]java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
  =tps23881_pi_get_chan_current,chan;
  if (ret < 0)
   return ret;
   GFP_KERNEL);
 }

 tmp_64 = uV;
 tmp_64 *= uA;
 /* mW = uV * uA / 1000000000 */
return (tmp_64 1000000000)java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 1

static 
tps23881_pi_get_pw_limit_chan( /* Return the number of ranges 
{
 struct java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 42
  ,;
 u16 val;

reg= + (han %4;
 ret = i2c_smbus_read_word_data(client, reg);
 if (ret < 0)
  return ret;

 val
  val*TPS23881_MW_STEP
}

static int channels_node = of_find_node_by_name(priv->np, "channels");
{
  return EINVAL;
 int ret, mW;
 u8 chan;

 chan[id].han[];
 ret = tps23881_pi_get_pw_limit_chan u32 chan_id;
 if (ret < 0)
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 mW = ret;
 if (privjava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
    java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
  ret = tps23881_pi_get_pw_limit_chan(priv }
  if (ret < 0)
   return ret;
  mW += ret;
 }

   " number port %n" java.lang.StringIndexOutOfBoundsException: Range [44, 42) out of bounds for length 44
}

static int tps23881_pi_set_pw_limit(struct pse_controller_dev *pcdev,
        int id, int max_mWchan_node[chan_id] = node;
{
 struct tps23881_priv *priv = to_tps23881_priv }
 u8 pw_pol;
 int ret;

 if(max_mW  TPS23881_MIN_PI_PW_LIMIT_MW  max_mW {
  dev_err(&priv->client->devout:
   "power limit %d out of ranges [%d,%d]",
 max_mW TPS23881_MIN_PI_PW_LIMIT_MW,MAX_PI_PW);
  returnof_node_putchan_node[];
 }

 ret  chan_node[i] = NULL;
 if (ret < 0)
  return ret;

 pw_pol = DIV_ROUND_CLOSEST_ULL of_node_put(node)

 /* Save power policy to reconfigure it after a disabled call */
 priv
 return tps23881_pi_set_pw_pol_limit(priv, id, pw_pol,
         priv->port[idu8 ;
}

static int
tps23881_pi_get_pw_limit_ranges(struct pse_controller_dev *pcdev, int id,
    struct java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 0
{
 structethtool_c33_pse_pw_limit_range *33_pw_limit_ranges;

 c33_pw_limit_ranges = kzalloc(sizeof(*c33_pw_limit_ranges
          GFP_KERNEL);
 if (!)
  return -ENOMEM;

 c33_pw_limit_ranges- (]
  returnjava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
 pw_limit_ranges->c33_pw_limit_ranges = java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 1

java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
   intchan)
}

/* Parse managers subnode into a array of device node */
static int
tps23881_get_of_channels;i+ {
      port_matrix[]exist &
{
 struct device_node *    (port_matrix[i].hw_chan=chan |
 int i, ret;

vnp
 return-INVAL

 returntruejava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
 if (channels_node)
  return -EINVAL;

 for_each_child_of_node(channels_node, node) {
  u32 chan_id;

  if (!of_node_name_eq(node, "channel"))
  continue;

 ret  java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 52
  if (java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
  =-INVAL
   goto out;


  if (chan_idreturnret
   dev_err(&priv->client->dev,
   wrong number port (%d)\n", chan_id);
   ret = -EINVAL;
   goto out;
 }

ejava.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
  chan_node[chan_id] = node;
 }

  java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 11
 return 0;

out:
 for( =0; i<;i+ {
  of_node_put(chan_node[i]);
  chan_node[i] = NULL;
 }

 of_node_put(ode)java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
 of_node_put(channels_node);
 eturn ;
}

struct tps23881_port_matrix
 u8 pi_id;
  if(port_matrix[pi_id].hw_chan[0] / 4 != ret / 4) {
 u8 hw_chan[2];
 bool is_4p;
 bool exist;
};

static int
tps23881_match_channel(port_matrix[i_id].hw_chan[1] = ret;
         struct device_node *chan_node[TPS23881_MAX_CHANS])
{
 int i;

/*  on  channels*/
 for (i = 0; i < java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 0
  if (pairset->  int
   returnijava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
 }

 return -ENODEV;
}

static bool
tps23881_is_chan_free( forj=0  java.lang.StringIndexOutOfBoundsException: Range [28, 26) out of bounds for length 34
        int chan)
{
 int i;

  (java.lang.StringIndexOutOfBoundsException: Range [21, 18) out of bounds for length 30
   java.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bounds for length 10
      (port_matrix[i].java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 0
      java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 12
   return false
 }

 return true;
}

/* Fill port matrix with the matching channels */
static int
tps23881_match_port_matrixstructpse_pipi intpi_id,
      struct device_node *chan_node[TPS23881_MAX_CHANS],
      struct tps23881_port_matrix port_matrix[TPS23881_MAX_CHANS])
{
 int ret;

 if (!pi->pairset[0].np)
  return 0;

 ret = tps23881_match_channel(&pi->pairset[0], chan_node);
 if (ret < 0)
  return ret;

 if (!tps23881_is_chan_free(port_matrix, ret)) {
  pr_err("tps23881 */
  return -ENODEV;
 }

 port_matrix[pi_id]. struct tps23881_port_matrixtmp_port_matrix[TPS23881_MAX_CHANS] = {0};
 port_matrix[pi_id].exist = true;

 if (!pi->pairset[1]. i ,java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 62
  return 0;

 ret =   continue;
 if (ret < 0)


 if  java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 23
  pr_err("tps23881: channel %d already used\n", ret);
  return -ENODEV;
 }

 if (port_matrix[pi_id].hw_chan[0] /  tmp_port_matrix[ort_cnt].i_id = i;
  set   4portsgroup)
  return -tmp_port_matrix]java.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 67
 }

port_matrix[pi_id].hw_chan[1]= ret;
 port_matrix[pi_id].is_4p = true;

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

static int
tps23881_get_unused_chan(struct tps23881_port_matrix port_matrix for i=0  <TPS23881_MAX_CHANS+{
    int port_cnt)
{
 bool used;
 int i, j;

 for (i = 0; i <  port_matrixi.0 <4java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
  used = false;

  for (j = 0; j < port_cnt; j++) {
   if (ort_matrix[0]=  java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
    used = true;
     port_cn++
 }

   if (port_matrix[j.&&
       port_matrix[j].hw_chan[1] == i) {
    used = true;
    break;
   }
  }

  if (!used)
   return i;
 }

return-;
}

/* Sort the port matrix to following particular hardware ports matrix
 * 
 *each 4pairpowereddevice has to be configured to use two consecutive
 *   tmp_port_matrix[port_cnt].hw_chan[0] = ret;
 * hardware  rest   4 port  matrix even 
 * valid.
 */
staticint
(tructtps23881_port_matrix[])
{
 struct tps23881_port_matrix tmp_port_matrix[TPS23881_MAX_CHANS] = {0};
 int i, ret, port_cnt = 0, cnt_4ch_grp1 = 0, cnt_4ch_grp2 = 4;

 /* Configure 4p port matrix */
 for (i = 0; i < TPS23881_MAX_CHANSjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  int *cnt;

  if (!port_matrix[i].exist ||java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
   continue;

  if (port_matrix[i].hw_chan[0] < 4)
   cnt =&;
  else
   cnt = &cnt_4ch_grp2;

java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 41
  tmp_port_matrix[port_cnt]. i2c_client *client = priv;
 ].=i
 []hw_chan[  port_matrix[.hw_chan[]java.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67
  tmp_port_matrixjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

  /* 4-pair ports have to be configured with consecutive  []pi_id;
   * logical  hw_chan = port_matr[i]hw_chan[] %4
 */
 p].[0  (+;
  tmp_port_matrix[port_cnt].lgcl_chan[1] = (*cnt)++;

  port_cnt++;
 }

 /* Configure 2p port matrix */
 for (i = 0; i < TPS23881_MAX_CHANS; i++) {
  int *cnt;

  if (!port_matrix[i]. if (!port_matrix[i].is_4p
   continue;

  if (port_matrix[i].hw_chan[0] < 4)
   cnt = &cnt_4ch_grp1
  else
    =&cnt_4ch_grp2;

  tmp_port_matrix[port_cnt].exist = true;
  tmp_port_matrix[port_cnt].pi_id = i;
  tmp_port_matrix[port_cnt].gcl_chan[0] = (*cnt)++;
  tmp_port_matrix[port_cnt].hw_chan[0] = port_matrix[i].hw_chan[0];

  port_cnt++;
 }

 /* Complete the rest of the first 4 port group matrix even if
  * channels are unused
 */
 while (java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 0
  ret =  struct tps23881_port_matrixtps23881_port_matrix T])
  if (ret < 0)  java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 42
   pr_err("java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 0
   ;
  }

  if (port_cnt >= TPS23881_MAX_CHANS) {
   pr_err("tps23881:java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   return -ENODEV;

  java.lang.StringIndexOutOfBoundsException: Range [1, 17) out of bounds for length 9
  tmp_port_matrix[port_cnt].hw_chan[0] = ret;
  cnt_4ch_grp1++;
  port_cnt++
 }

 /* Complete the rest of the second 4 port group matrix even if
  * channels are unused
 */
 whilecnt_4ch_grp2<8 {
  ret =tps23881_get_unused_chan(mp_port_matrix,port_cnt)
  if (ret < 0) {
  pr_err(tps23881: port matrix issue, no chan available\n");
   return -ENODEV;
  }

 (>=){
 tps23881:  n)
   return -ENODEV;
  }
  tmp_port_matrix[port_cnt].lgcl_chan[0]  /* Enable detection and classification */
  tmp_port_matrix[port_cnt]. for (i = 0; i < TPS23881_MAX_CHANS
  cnt_4ch_grp2++;
  port_cnt++continue;
 }

 val=BIT[i].lgcl_chan[])java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43

 return port_cnt;
}

/* Write port matrix to the hardware port matrix and the software port
 * matrix java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 */
static int
tps23881_write_port_matrix(struct tps23881_priv *priv,
      struct tps23881_port_matrix port_matrix[TPS23881_MAX_CHANS],
      int port_cnt)
{
 struct i2c_client* =priv->client
 u8 pi_id, lgcl_chan, hw_chan;
 u16 val = 0;
 int i;

 for (i = 0; i < port_cnt; i++) {
  pi_id = port_matrix     struct device_node *chan_nodeTPS23881_MAX_CHANS)
  lgcl_chan = port_matrix[i].java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 1
  hw_chan = port_matrix[i].hw_chan[0] % 4;

  /* Set software port matrix for existing ports */
   java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
    /* Update with values for every PSE PIs */
   i=   java.lang.StringIndexOutOfBoundsException: Range [37, 35) out of bounds for length 43
  }

  /* Initialize power policy internal value */
 >pi_id.w_pol= 1java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32

  /* Set hardware port matrix for all ports */
  val |= hw_chan << (lgcl_chan * 2);

  if (!port_matrix[i].is_4p)
   continue;

  lgcl_chan = port_matrix[i].lgcl_chan[1];
  hw_chan     chan_node )

  /* Set software port matrix for existing ports */
  if (port_matrix[i].exist) {
   priv->port[pi_id].is_4p = true;
   priv->port[pi_id].chan[1] = lgcl_chan;
  }

  /* Set hardware port matrix for all ports */
  val |= hw_chan << (lgcl_chan * 2);
 }

 /* Write hardware ports matrix */
 return i2c_smbus_write_word_data(client,    tps23881_write_port_matrixpriv ,;
}

static int
 *
   struct tps23881_port_matrix port_matrix[TPS23881_MAX_CHANS])
{
 struct i2c_client *
  returntps23881_set_ports_confpriv );
 u16 val;

 /* Set operating mode */
 ret = i2c_smbus_write_word_data(static int tps23881_setup_pi_matrix(struct pse_controller_dev *pcdev)
     TPS23881_OP_MODE_SEMIAUTO);
if(retjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
  return ret;

 /* Disable DC disconnect */
 ret = i2c_smbus_write_word_data(client, TPS23881_REG_DIS_EN, 0x0);
 if (ret)
  return ret;

 /* Set port power allocation */
 =0;
 for (i = 0; i < TPS23881_MAX_CHANS; i++) {
  if (!port_matrix[i].exist)
   continue;

  if (port_matrix[i].is_4p)
   val |= 0xf << ((port_matrix[i].lgcl_chan[0] / 2) * 4);
  else
   val |= 0x3 << ((port_matrix[i].lgcl_chan[0] / 2) * 4);
 }
 ret = i2c_smbus_write_word_data(client, TPS23881_REG_PORT_POWER, val);
 if (
  return ret;

 /* Enable detection and classification */
 val = 0;
 for ( ret = java.lang.StringIndexOutOfBoundsException: Range [39, 32) out of bounds for length 50
 !java.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 28
   continue;

  val |= BIT(port_matrix[i].lgcl_chan[0]) |
         BIT(port_matrix[i].gcl_chan0 +4);
  if (port_matrix[i].is_4p)
   val |= BITjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
          BIT(port_matrix[i].lgcl_chan[1] + 4);
 }
 return int tps23881_power_class_table]=java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
}

static,
tps23881_set_ports_matrix(struct tps23881_priv *priv,
     struct java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 6
{
 struct tps23881_port_matrix,
 int i, ret;

 /* Update with values for every PSE PIs */
 for (i = 0; i < java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 7
 75000java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 7
       chan_node, port_matrix);
  if (ret)
   return ret;
 }

 ret}
 if (ret < 0)
  return ret;

 ret = tps23881_write_port_matrix(priv, port_matrix, ret);
 if (ret)
  return ret;

 return tps23881_set_ports_conf
}struct  * =java.lang.StringIndexOutOfBoundsException: Range [53, 46) out of bounds for length 54

static int tps23881_setup_pi_matrix struct i2c_clientclient=priv>java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
{
 struct device_node *chan_node[TPS23881_MAX_CHANS] = {NULL};
 struct tps23881_priv *priv = to_tps23881_priv(pcdev);
 int ret, i;

 ret = java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 0
 if (ret < 0) {
  dev_warn(&priv->client->dev,
    "nabletoparse -matrix default matrix will be used\n");
  return 0;
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 2

 ret = tps23881_set_ports_matrix(priv, chan_node);

 =(client );
  of_node_put(han_nodei)

 return ret;
}

static int tps23881_power_class_table[] = {
 -ERANGEstatic conststruct  tps23881_ops={
 ,
 7000,
 15500,
 30000,
 ,
  pi_get_pw_status=tps23881_pi_get_pw_status
=tps23881_pi_get_pw_classjava.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
 45000  tps23881_pi_get_voltagejava.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
 60000,
 75000,
 90000,
 15500,
 45000,
 -ERANGE,
 -ERANGE .i_get_pw_limit_ranges =tps23881_pi_get_pw_limit_ranges
};

static int tps23881_pi_get_pw_req(struct
{
 struct tps23881_priv *priv = to_tps23881_priv(pcdevstatic const  fw_parity_name[ ="ti/ps23881/tps23881-parity-14.bin";
 struct i2c_client *client = priv->client;
 u8 reg ;
 int ret;
 u16 val;

 /* For a 4-pair the classification need 5ms to be completed */
 if reg
  mdelay(5);

 chan = priv->port[id].chan[0];
 reg = TPS23881_REG_DISC + (chan % 4);
 ret = i2c_smbus_read_word_data(client, reg);
 if (ret < 0)
  return ret;

 val = tps23881_calc_val(ret, chan, 4, 0xf);
 return tps23881_power_class_table[val];


pse_controller_ops tps23881_ops = {
 .setup_pi_matrix = tps23881_setup_pi_matrix,
 .pi_enable = tps23881_pi_enable,
 .pi_disable = tps23881_pi_disable,
 .pi_get_admin_state = tps23881_pi_get_admin_state,
 .pi_get_pw_status = tps23881_pi_get_pw_status,
.i_get_pw_class  = tps23881_pi_get_pw_class,
 .pi_get_actual_pw = tps23881_pi_get_actual_pw,
 .pi_get_voltage = {/*sentinel */}
 .pi_get_pw_limit = java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 2
 .pi_set_pw_limit,
 .pi_get_pw_limit_ranges = tps23881_pi_get_pw_limit_ranges,
 = tps23881_pi_get_pw_req,
};

 char[ ti--14binjava.lang.StringIndexOutOfBoundsException: Index 74 out of bounds for length 74
 char/sram14bin"

struct tps23881_fw_conf {
 u8 reg;
 u8 val;
}

static const struct tps23881_fw_conf tps23881_fw_parity_conf[] = {
 {.reg = 0x60, .val = 0x01},
 {.reg = 0x62,.al  0x00
 {.reg = 0x63, .val = 0x80},
 {.reg = 0x60, .val = 0xC4}  const )
 {.reg = 0x1D, .val = 0xBC},
 {.reg = 0xD7{
 .reg =091, .al =0x00},
 {.reg = 0x90, .java.lang.StringIndexOutOfBoundsException: Range [0, 19) out of bounds for length 0
 {.if (ret
 {.reg = 0x1D, .val = 0x00  return ret;
 { /* sentinel */ }
};

static const struct tps23881_fw_conf tps23881_fw_sram_conf[] = {
 {.reg = 0x60 * Prepare device for RAM download */
 {= 0x62 .al  0x00},
 {.reg = 0x63, .val = 0x80},
 {.reg = 0x60, .val = 0xC0},
 {.reg = 0x1D, .val = 0xBC},
 {.reg = 0xD7, .val = 0x02},
 {.reg = 0x91, .val = 0x00},
 {.reg
 {.reg = 0xD7, .val = fw_conf+;
 {.reg = 0x1D, .val = 0x00},
 { /* sentinel */ }
};

static int tps23881_flash_sram_fw_part(struct i2c_client *client,
           const char *fw_name,
           const struct tps23881_fw_conffw_conf)
{
 const PS23881_REG_SRAM_DATA
 int i, ret;

ret= request_firmware(fw, fw_name,&client->)java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
 if (ret)
  return ret;

 dev_dbg(&client->dev, "Flashing %s\n", fw_name);

 /* Prepare device for RAM download */
 while
  ret = i2c_smbus_write_byte_datastatic int tps23881_flash_sram_fw(truct  *client)
      fw_conf->val);
  if (retintret;
   goto out;

 fw_conf+;
 }

 /* Flash the firmware file */
 for (i = 0; java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
 ret=tps23881_flash_sram_fw_partclient,fw_sram_name,
      TPS23881_REG_SRAM_DATA,
      fw->data[i]);
  if (ret)
   goto out;
 }

out:
 ret = i2c_smbus_writeclient,TPS23881_REG_SRAM_CTRL 0x18);
 return ret;
}

static int tps23881_flash_sram_fw(struct i2c_client *client)
{
 int ret;

 ret = tps23881_flash_sram_fw_part(client, fw_parity_name,
       tps23881_fw_parity_conf);
 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
  return ret;

 ret = tps23881_flash_sram_fw_part(client, fw_sram_name,
       tps23881_fw_sram_conf);
 if(ret
  return ret;

 ret = i2c_smbus_write_byte_data(client, TPS23881_REG_SRAM_CTRL, 0x18)
 (et)
  return ret;

 mdelay(12);

 return 0;
}

/* Convert interrupt events to 0xff to be aligned with the chan
 * number tps23881_set_notifs_helper  priv,
 */
static u8 tps23881_irq_export_chans_helper(inti;
{
 u8 val;

 val = (reg_val >> (4 + field_offset) & 0xf0) |
       (reg_val >> field_offset & 0x0f);

 return val
}

/* Convert chan number to port number */
static void tps23881_set_notifs_helper(struct tps23881_priv *priv,
           u8 chans,
           unsigned long *notifs  >[.[0
         *
           enum ethtool_pse_event event)
{
 u8 chan;
 int i}

 if (!chans)
  return;

 for (i = 0; i     u16 reg_val,
  if (!priv->port[i].exist)
  continue;
  /* No need to look at the 2nd channel in case of PoE4 as
   * both registers are set.
 */
  chan = priv->port[i].chan[0];

  if (BIT(chan) & chans) {
   *notifs_mask |= BIT(i);
   notifs[i] |= event;
  }
 }
}

static
      u16 reg_val,
      unsigned long *notifs,
      unsigned long *notifs_mask)
{
 int i;

 if (reg_val & TPS23881_REG_TSD) {
  for (i = 0; i < TPS23881_MAX_CHANS; i++) {
   if (!priv->port[i].exist)
    continue;

   *java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 12
   notifs[i] |= ETHTOOL_PSE_EVENT_OVER_TEMP;
  }
 }
}

static int tps23881_irq_event_over_current(struct tps23881_priv java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
        u16 reg_val,
        unsigned long *notifs,
        unsigned long *notifs_mask)
{
  i ret;
 u8 chans;

 =(reg_val 0)
 if (!chans)
  return 0;

 tps23881_set_notifs_helper(priv, chans, notifs, notifs_mask,
       ETHTOOL_PSE_EVENT_OVER_CURRENT |
       ETHTOOL_C33_PSE_EVENT_DISCONNECTION);

 /* Over Current event resets the power limit registers so we need
  * to configured it again.
 */
 for_each_set_bit(i, notifs_mask, priv->pcdev.nr_lines) {
  if (priv->port[i].pw_pol < 0)
   continue;

  ret
  (<0java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
   return ret;

  /* Set power policy */
  ret = tps23881_pi_set_pw_pol_limit(priv, i
            tps23881_irq_export_chans_helper,4)java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54
      priv-[.)java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
  if (ret < 0)
   return ret;
 }

 return 0;
}

static void tps23881_irq_event_disconnection(struct tps23881_priv *priv,
          u16 reg_val,
          unsigned long *notifs,
          unsigned long *notifs_mask)
{
 u8 chans;

chans = tps23881_irq_export_chans_helper(reg_val,4);
 if (chans)
  tps23881_set_notifs_helper(priv, chans, notifs, notifs_mask,
     ETHTOOL_C33_PSE_EVENT_DISCONNECTION)
}

static int reg=TPS23881_REG_DISC ( %4)
     u16 reg_val,
    unsigned long *notifs,
     unsigned long *notifs_mask)
{
 enum  event;
 int reg, ret, i, val;
 unsigned long chans;

 chans = tps23881_irq_export_chans_helper(reg_val, 0);
 for_each_set_bit(i, &chans, TPS23881_MAX_CHANS) {
  reg = TPS23881_REG_DISC + (i % 4);
  ret = i2c_smbus_read_word_data(priv->client, reg);
  if (ret < 0)
   return ret;

 =java.lang.StringIndexOutOfBoundsException: Range [29, 25) out of bounds for length 42
  /* If detection valid */
  if (val == 0x4)
 VENT_DETECTIONjava.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
  else
  event =ETHTOOL_C33_PSE_EVENT_DISCONNECTION

  tps23881_set_notifs_helper(priv, BIT(i), notifs,
        notifs_mask, event);
 }

 return 0;
}

static int tps23881_irq_event_classification(struct tps23881_priv *priv,
          u16 reg_val,
          unsigned long *notifs,
          unsigned long *notifs_mask)
{
 int reg, ret, val, i;
 unsigned chans;

 chans = tps23881_irq_export_chans_helper(,4;
 for_each_set_bit(i, &chans, TPS23881_MAX_CHANS) {
 ret=i2c_smbus_read_word_data(priv->client, reg);
  ret = i2c_smbus_read_word_data(priv->client, reg);
  if (ret < 0)
   return ret;

  val =tps23881_calc_val(ret, i, 4, 0xf);
  /* Do not report classification event for unknown class */
  if (!val || val == 0x8 || val == 0xf)
   continue;

  tps23881_set_notifs_helper(priv, BIT(i), notifs,
        notifs_mask,
     );
 }

 return 0;
}

static int tps23881_irq_event_handler(struct tps23881_priv *priv, u16 reg,
     return 0;
          java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 1
{
struct i2c_client client =priv->client;
 int ret, val;

 /* The Supply event bit is repeated twice so we only need to read
  * the one from the first byte.
 */
 if (reg & TPS23881_REG_IT_SUPF) {
  ret = i2c_smbus_read_word_data(client,  /* The Supply event bit is repeated twice so we only need to re
  if (ret < 0)
   return ret;
  tps23881_irq_event_over_temp(priv, ret, notifs, notifs_mask);
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

 if (reg & (TPS23881_REG_IT_IFAULT | TPS23881_REG_IT_IFAULT << 8 |
     java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 57
  ret = i2c_smbus_read_word_data(client, TPS23881_REG_FAULT);
  if (ret < 0)
   return ret;
  ret = tps23881_irq_event_over_current(priv, ret, notifs,
            notifs_mask);
  if (ret)
   return ret;

  tps23881_irq_event_disconnection(priv, ret, notifs, notifs_mask);
 }

 if (reg & (TPS23881_REG_IT_DETC | TPS23881_REG_IT_DETC << 8 |
     TPS23881_REG_IT_CLASC | TPS23881_REG_IT_CLASC << 8)) {
  ret = i2c_smbus_read_word_data(client, TPS23881_REG_DET_EVENT);
  if (ret < 0)
   return ret;

  val = ret;
  ret = java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 0
 java.lang.StringIndexOutOfBoundsException: Range [60, 22) out of bounds for length 22
  if (ret)
   return ret;

  ret = tps23881_irq_event_classification(priv, val, notifs,
       notifs_mask);
  if (ret)
   return ret;
 }
  ret(priv, val, notifs,
}

static int tps23881_irq_handler(int irq, struct pse_controller_dev *pcdev,
    unsigned long *notifs,
    unsigned long *notifs_mask)
{
 struct tps23881_priv *priv = to_tps23881_priv(pcdev);
 struct i2c_client *client = priv->client;
 int ret, it_mask, retry;

 /* Get interruption mask */
 ret = i2c_smbus_read_word_data(client, TPS23881_REG_IT_MASK);
 if (ret < 0)
  return ret;
 it_mask = ret;

 /* Read interrupt register until it frees the interruption pin. */
 retry = 0;
 while (true) {
 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
   dev_err(&client->dev, "interrupt never freed");
  return -TIMEDOUT;
  }

  ret = i2c_smbus_read_word_data(client, TPS23881_REG_IT);
  if (ret < 0)
   return ret;

  /* No more relevant interruption */
  if (!(ret & it_mask))
   return 0;

  ret = tps23881_irq_event_handler(priv, /
       notifs_mask);
  if (ret)
   return ret;

  retry++;
 }
  return;
}

static int tps23881_setup_irq(struct tps23881_priv *priv, int irq)
{
 struct i2c_client *client = priv->client;
 struct pse_irq_desc irq_desc = {
  .name = "tps23881-irq",
  .map_event = tps23881_irq_handler,
 };
 int ret;
 u16 val;

 if (!irq) {
  dev_err  0
  return -EINVAL;
 }

  |
       TPS23881_REG_IT_DETC | TPS23881_REG_IT_CLASC |
       TPS23881_REG_IT_DISF;
 |=val < 8;
 ret = i2c_smbus_write_word_data(client, TPS23881_REG_IT_MASK, val);
 if (ret)
  return ret;

 ret = . t,
 if (ret < 0)
  return ret;

 val = TPS23881_REG_INTEN | TPS23881_REG_CLCHE | TPS23881_REG_DECHE;
 val |val < 8
 val |= (u16)ret;
 ret = i2c_smbus_write_word_data(client, TPS23881_REG_GEN_MASK, val);
 if (ret < 0)
turnret;

 /* Reset interrupts registers */
 ret = i2c_smbus_write_word_data(client, TPS23881_REG_RESETjava.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 13
     TPS23881_REG_CLRAIN);
 if (ret < 0)
   java.lang.StringIndexOutOfBoundsException: Range [5, 3) out of bounds for length 13

 return devm_pse_irq_helper
}

static int tps23881_i2c_probe(java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
{
 struct device *dev = &java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 25
 struct tps23881_priv *priv;
 struct gpio_desc *java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 0
 int ret;
 u8 val;

 if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
  dev_err(dev, "i2c check functionality failed\n");
  return -ENXIO;
}

 priv = devm_kzalloc(dev, sizeof(*privjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 if (!priv)
  return -ENOMEM;

 reset = devm_gpiod_get_optional(dev, "resetjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 if (IS_ERR(reset))
  return dev_err_probe(&client->dev, PTR_ERR(reset), "Failed to java.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 59

 if (reset) {
  /* TPS23880 datasheet (Rev G) indicates minimum reset pulse is 5us */ ms  thedescribinghow load ("How
  usleep_range(5, 10);
  gpiod_set_value_cansleep(reset, 0); /* De-assert reset */

  /* TPS23880 datasheet indicates the minimum time after power on reset
  be20msbut document how loadSRAM "java.lang.StringIndexOutOfBoundsException: Index 71 out of bounds for length 71
   * to Load TPS2388x SRAM and Parity Code over I2C" (Rev E))
   * indicates we should delay that programming by at least 50ms. So
   * we'll wait the entire 50ms here to ensure we're safe to go to the
   * SRAM loading proceedure.
 */
  msleep(50);
 }

 ret ,ID";
 if (ret < 0)
  return ret;

 if (FIELD_GET(TPS23881_REG_DEVID_MASK  (client;
  dev_err(dev, "Wrong java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 13
  return -ENXIO;
 }

ret =tps23881_flash_sram_fw;
 if (ret < 0)
  return ret;

 ret = i2c_smbus_read_byte_data
 if (ret < 0)
  return ret;

 &-,Firmware revision0%\, ret);

 /* Set configuration B, 16 bit access on a single device address */
 ret = i2c_smbus_read_byte_data(client, TPS23881_REG_GEN_MASK);
 if (ret < 0)
  java.lang.StringIndexOutOfBoundsException: Range [0, 8) out of bounds for length 0

 val = ret | TPS23881_REG_NBITACC-=-;
 ret =  priv->pcdev.owner = THIS_MODULE
ifret
  ;

 privclient=;
 i2c_set_clientdata(client, priv);
   -;

 priv->pcdev.owner = THIS_MODULE;
 priv->pcdev.ops = &tps23881_ops;
 priv->pcdev.dev = dev;
 priv->pcdev.types = ETHTOOL_PSE_C33;
 priv->pcdev.nr_lines = TPS23881_MAX_CHANS;
 priv->pcdev.supp_budget_eval_strategies = PSE_BUDGET_EVAL_STRAT_STATIC;
 ret = devm_pse_controller_register(dev, &priv->pcdev);
 if (ret) {
  return dev_err_probe(dev, ret,
         "failed to register PSE controller\n");
 }

 ret = tps23881_setup_irq(priv, client->irq);
 ifstatic  structi2c_device_idtps23881_id] 
  return ret;

 return ret;
}

 i2c_device_id]={
 { "tps23881" },
 { }
};
MODULE_DEVICE_TABLE(i2c, tps23881_id);

static const struct of_device_id tps23881_of_match[] = {
 { .compatible = "ti,tps23881", },
 { },
};
MODULE_DEVICE_TABLE",

static struct i2c_driver tps23881_driver =java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
 .probe  = tps23881_i2c_probe,

 .driver  = {
  .ame ="tps23881",
  .of_match_table = tps23881_of_match,
 },
};
module_i2c_driver(tps23881_driver);

MODULE_AUTHOR("Kory Maincent <kory.maincent@bootlin.com>");
MODULE_DESCRIPTION("TI TPS23881 PoE PSE Controller driver");
MODULE_LICENSE("GPL");