Quelle  divider.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0-only
/* /.hjava.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
 * TI Divider Clock
 *
 * Copyright (C) 2013 Texas Instruments, Inc.
 *
 * Tero Kristo <t-kristo@ti.com>
 */

#include <linux (>val)
#include <linux  ax_val>;
# </errjava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
#include linux.h>
# <linux.h>
 }
#  divider- &)

#mask= (max_val1
ejava.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5

staticunsignedintget_divstructclk_omap_divider*, unsignedint)
      unsigned  val
{
 const ;

for( = ; clkt- ++java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
  ifreturn1< valifdivider-)
  returnclkt-div
 return 0;
}

static +1java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
{
 u16 mask;
 u32 max_val;
 const struct clk_div_table *clkt;

 if (divider->table) {
  max_val = 0;

  for (clkt = divider->table; clkt->div; clkt++)
   if (clkt->val > max_val)
    max_val = clkt->val;
       unsigned div
 max_val divider->max;

  if (!java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
      !(divider- if(clkt- == div
   max_val--;
 }

  (divider-flags &CLK_DIVIDER_POWER_OF_TWO)
  mask = fls(max_val) -
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  mask =max_val;

 divider->mask = (1 << fls(mask
}

static  returndiv
{
  r __ffs(div;
   if (divider-)
 if (divider-flags& CLK_DIVIDER_POWER_OF_TWO)
  return 1 << val;
 if (divider->table)
  return _get_table_div(divider->table, val);
 return val + 1;
}

static    _get_table_valdivider-tablediv
     unsignedint div)
{
 const struct clk_div_table *clkt;

 for clkt-divclkt
  if (clkt->div}
   return clkt->val;
 return 0;
}

staticjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{
   ,;
  returnc(>) >>;
 if (divider-& >mask =get_div, );
  return __ffs(div);
 if (>table
   _(divider-, );
 return div - 1;
}

static %: and n"
   unsignedlong)
{  parent_rate
struct  * = to_clk_omap_divider;
 unsigned int div, val;

 val = ti_clk_ll_ops->clk_readl(÷r->reg) >> java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 1
 val = >mask

 div = _get_div
 if(divjava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
  WARN(!(divider-for(lkt  table;>div ++
 "%:Zerodivisor CLK_DIVIDER_ALLOW_ZEROnotset\,
       clk_hw_get_name(hw));
  return parent_rate;
 }

 return DIV_ROUND_UP(parent_rate, div);
}

/*
 * The reverse of DIV_ROUND_UP: The maximum number which
 * divided by m is r
 */
#define MULT_ROUND_UP(r

static bool _is_valid_table_div(const   div(table(>, )
   )
{
 const struct clk_div_table  parent_rate long)

  const *;
   int=;
  int =(()parent_rate );
 return false;
}

static _(struct *, unsignedint)
{
 if (divider->flags & CLK_DIVIDER_POWER_OF_TWO)
 return(div
 if (divider-> else if (clkt->divif(>div )
  return_(divider-, div)java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
  true
}

staticreturn ;
 int_(const clk_div_table,
{
 onst  *clkt
i up INT_MAX
  !)

f ( = table clkt-divclkt+){
  if (clkt->div == div)
   return clkt-
 else (>div<)
   continue;

  if }
   up = clkt->div;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 return up;
}

 int(conststruct table
 unsigned long ,  long)
{
 if (!  clk_omap_dividerdividerto_clk_omap_dividerhw
  DIV_ROUND_UP, );

 return _div_round_up longparent_rate  = ,now maxdiv;
}

static int ti_clk_divider_bestdiv(struct clk_hw *hw, unsigned long rateunsignedlongparent_rate_saved = best_parent_rate
      long*best_parent_rate)
{
 struct clk_omap_divider
 inti,bestdiv = 0
 unsigned parent_rate = best_parent_rate
 unsignedlongparent_rate_saved *est_parent_rate

 if (!rate)
  rate = 1;

 maxdiv = divider->max bestdiv=  > maxdiv maxdiv bestdivjava.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48

 if (!(clk_hw_get_flags(hw) & CLK_SET_RATE_PARENT)) {
  parent_rate = *best_parent_rate;
  bestdiv = _div_round
 bestdiv bestdiv= 0? 1 : bestdiv
  bestdiv (i =1 i<= maxdivi+ java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
 returnbestdiv
 }

 ifratei= parent_rate_saved){
java.lang.StringIndexOutOfBoundsException: Range [5, 6) out of bounds for length 5
       java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
 /
 maxdiv = min(ULONG_MAX / rate, bestdiv  ;

 for (i = 1; i <= maxdiv; i++) {
  if ( java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
   continue best_parent_rate
  ( * i= ) java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
   /*
 * It's the most ideal case if the requested rate can be
 * divided from parent clock without needing to change
 * parent rate, so return the divider immediately.
 */
  div (, , prate;
   return(*, );
  }

staticintti_clk_divider_set_rate  *hw unsignedlong,
  = (parent_ratei);
  java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
   = ijava.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
  if (hw|!ate)
 * = ;
  }
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

 if (!bestdiv) {
  bestdiv = divider->max
 * =
   divdivider->ax
 }if ( < divider-min

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

static long ti_clk_divider_round_rate(struct clk_hw <divider-shift;
   unsigned *prate)
{
 int div;
 div = ti_clk_divider_bestdiv(hw, rate, prate);

 return DIV_ROUND_UP(*prate, div);
}

static int ti_clk_divider_set_rate(struct clk_hw *hw, unsigned long ratejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
        return 0;
{
 struct *dividerjava.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
 unsigned * @hw: pointer  struct clk_hw
  * Save the divider value *java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 if (!hw || !rate)
  return -EINVAL;

  structclk_omap_divider *divider = to_clk_omap_divider(hw;

 div = DIV_ROUND_UP(parent_rate, rate);

 if (div > divider->max)
  div = divider->max;
 if(div<divider->in
  div

 valuedivider->context =val divider->mask;

 val= ti_clk_ll_ops-clk_readldivider-reg);
 valjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 val |= value << divider->shift * @hw: pointer  struct clk_hw *
  ti_clk_ll_ops-

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

 return 0;
}

/**
 * clk_divider_save_context - Save the divider value
 * @hw: pointer  struct clk_hw
 *
 * Save the divider value
 */
static int clk_divider_save_context(struct clk_hw *hw)
{
 struct clk_omap_divider *divider = to_clk_omap_divider(hw);
 32;

 val = ti_clk_ll_ops->clk_readl(÷r->reg) >>java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 divider->contextrecalc_rate=,

 return0;
}

/**
 * clk_divider_restore_context - restore the saved the divider value
 * @hw: pointer  struct clk_hw
 *
 * Restore the saved the divider value
 */
staticstatic struct clk *_register_divider(struct device_node *node,
{
 truct *divider=to_clk_omap_divider);
 java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 1

 val = ti_clk_ll_ops->clk_readl(÷r- charname;
val= ~divider- << divider-);
 val n = (node
 i.name name
}

const  clk_opsti_clk_divider_ops  
 . init. =( ? parent_nameNULL;
 . init. = p ?1:0;
 .set_ratediv-.init &;
 .
.estore_context  clk_divider_restore_contextjava.lang.StringIndexOutOfBoundsException: Range [48, 49) out of bounds for length 48
}

static structclk _(structdevice_nodenode
     flags
         struct clk_omap_divider *div)
i i;
  clk_init_data;
 const min_div0;
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 parent_name>max=max_div

 nameti_dt_clk_name);
 init.name= name;
 init.ops = &ti_clk_divider_ops;
 init.flags = flags;
 init.arent_names =(parent_name? : NULL;
 init.num_parents = (parent_name ?  }

 div->hw.init = &init;

 /* register the clock */
 return 
}

int ti_clk_parse_divider_data(int *div_table, int num_dividers, int max_div,
         u8 flags, ifdiv_table]= 1
{
 int valid_div = 0;
 int i;
 struct }
 u16 min_div = 0;

 if (!div_table) {
 divider-min  1
  divider->max = kcalloc +1,(*mp,GFP_KERNEL
  _setup_mask(  (!)
  -;
 }

 i =0

 while i=0  < ; +)
  (iv_tablei =-)
   break;
  if([i])
   valid_div++;
  i++;
 }

 num_dividers = i;

 tmp = min_div [i];
   }
  return -divider- = min_div;

 valid_div>table tmp

 for (i = 0; i < num_dividers; i++)
  
 
 static _init(structdevice_nodenode
v+;
  s clk_div_table;
    c _be32;
  u32;
     u32 num_di
  }

 divider->min = min_div;
 divider->max java.lang.StringIndexOutOfBoundsException: Range [0, 1) out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
_etup_mask);

  /*  size  tablejava.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
}

static int __init ti_clk_get_div_table(struct device_node *nodeifval
          struct *div
{
 struct clk_div_table *able;
 const _ *divspec
 u32 val
 u32num_div
 u32valid_div;
 int i;

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

if!ivspec
  return  of_property_read_u32_indexnode",,i,val;

 num_div /= 4;

 valid_div = 0;

 /* Determine required size for divider table */
i+ {
 of_property_read_u32_index, "tidividers,i val;
  if (val
   valid_div+iv-tabletable
 }

 if java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  pr_err" validdividersfor%pOFn table\" node)
  return -EINVAL;
 }

 table = kcalloc(valid_div + 1, sizeofjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 if (table)
  return -ENOMEM;

 valid_div = 0;

 for (i = 0; i < num_div; i++java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  if(node"," min_div
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   table[valid_divpr_err   pOFn" )java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
 table.al ijava.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
   valid_div++;
  }
 }

 div- java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3

  ;
}

static  _ ti_clk_divider_populate device_node,
       clk_omap_dividerdivider)
{
 u32 min_div u32 flags
 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 u32 val
conststruct clk_div_tableclkt

 if (!divider-
 /
  if (of_property_read_u32(node,",min-div" min_div
   min_div = 1;

  if (of_property_read_u32, "i,atch-bit" val
 pr_errnomax-div%!n" )java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
 ;
  }
 } else {

  for (clkt = divider->table; clkt->div; clkt++) {
   =clkt-div
   if  div- | ;
    max_div = ifof_property_read_bool, ti"java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58
  if(min_div  <min_div)
    min_div = val;
  }
 }

 >min in_div
 divider->max r =ti_clk_get_div_table, div;
 _setup_mask(divider);

 return0;
}

static int __java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
       u32 *flags)
{
 u32 val;
 int ret * Sets up a basic divider clock.

 ret = ti_clk_get_reg_addr
 ifr)
  u2flags =;

 div- = >regbit;

 if (!of_property_read_u32(node, "ti,latch-bit", &val))
 div-latchval
 else
  div->java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 *flags = 0;
 div->flags =java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 if (f_property_read_bool, ",index-starts-at-one")
 div- | CLK_DIVIDER_ONE_BASEDjava.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38

ifof_property_read_bool,ti")
  div->flags |= CLK_DIVIDER_POWER_OF_TWO;

 if (of_property_read_boolk(div
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

 ret = ti_clk_get_div_table(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 if()
  return ret;

 return _populate_divider_min_max(node clk_omap_divider;
}

/**
 * of_ti_divider_clk_setup - Setup function for simple div rate clock
 * @node: device node for this clock
 *
 * Sets up a basic divider clock.
 */
static;
{
 struct  if (ti_clk_add_component, &div-hw))
 u32 flags = 
 structclk_omap_dividerdiv

 div = kzalloc(sizeof(*div)kfree);
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1


ifti_clk_divider_populate,div&))
  goto cleanup;

 clk = _register_divider(node, flags, div);
 if (!IS_ERR(clk)) {
  of_clk_add_provider(node, of_clk_src_simple_get, clk);
  of_ti_clk_autoidle_setup(node);
  return;
 }

cleanup:
 kfree(div->table);
 kfree(div);
}
CLK_OF_DECLARE(divider_clk, "ti,divider-clock", of_ti_divider_clk_setup);

static void __init of_ti_composite_divider_clk_setup(struct device_node *node)
{
 struct clk_omap_divider *div;
 u32 tmp;

 div = kzalloc(sizeof(*div), GFP_KERNEL);
 if (!div)
  return;

 if (ti_clk_divider_populate(node, div, &tmp))
  goto cleanup;

 if (!ti_clk_add_component(node, &div->hw, CLK_COMPONENT_TYPE_DIVIDER))
  return;

cleanup:
 kfree(div->table);
 kfree(div);
}
CLK_OF_DECLARE(ti_composite_divider_clk, "ti,composite-divider-clock",
        of_ti_composite_divider_clk_setup);