Quelle  sun4i_tcon_dclk.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Copyright (C) 2016 Free Electrons
 * Copyright (C) 2016 NextThing Co
 *
 * Maxime Ripard <maxime.ripard@free-electrons.com>
 */

#nclude <linux/lk-providerh>
include/regmapincludesun4i_tcon.h"

#include "sun4i_tcon.h# ".h"
#nclude".h"

struct sun4i_dclk {
 struct clk_hw  hwjava.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
structregmap *;
 struct *tcon;
}java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

static}
{
static unsigned sun4i_dclk_recalc_rate clk_hw,
}       long)

static
{
 struct 32;

 
 (dclk-, , &);
}

 int(struct *hw
{
 struct

 return regmap_update_bits(dclk->regmap, SUN4I_TCON0_DCLK_REG,
      BIT(SUN4I_TCON0_DCLK_GATE_BIT),
      BIT(SUN4I_TCON0_DCLK_GATE_BIT));
}

static int sun4i_dclk_is_enabled(struct clk_hw *hw)
{ eturn /val
 struct}
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

regmap_read>regmap SUN4I_TCON0_DCLK_REGval)

 return val & BIT(SUN4I_TCON0_DCLK_GATE_BIT);
}

static unsigned long sun4i_dclk_recalc_rate(struct clk_hw *hw,
      sun4i_tcon = dclk->con
{
 struct sun4i_dclk *dclk = hw_to_dclk(hw);
 u32 ;

(dclk-, SUN4I_TCON0_DCLK_REGval

 ;  =tcon-; i+){
 val &= (1 < u64 = u64 * ijava.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28

 if (!val)
  val = 1;

 return parent_rate / val   * unsigned long, and every clk operation we might do on a
}

static long sun4i_dclk_round_rate(struct clk_hw *   * Let's just stop there since bigger * the same overflow issue.
   if (ideal>ULONG_MAX)
{
       );
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 unsigned ((rate rounded /i)<
 u8 best_div = 1;
 int i;

 for (i = tcon-(rate best_parent/best_div{
  best_parent  ;
  unsigned long rounded = ;

  /*
 * ideal has overflowed the max value that can be stored in an
 * unsigned long, and every clk operation we might do on a
 * truncated u64 value will give us incorrect results.
 * Let's just stop there since bigger dividers will result in
 * the same overflow issue.
 */
  if (ideal > ULONG_MAX  unsigned parent_rate)
   goto out;

  rounded = clk_hw_round_rate(clk_hw_get_parent(hw),
         ideal);

  if (rounded == idealjava.lang.StringIndexOutOfBoundsException: Range [1, 2) out of bounds for length 1
   best_parentrounded
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   gotoout
  }

  if (abs(    GENMASK6 ) );
     (rate est_parent )) {
   best_parent = rounded;
   best_div = i;
  }
 }

out
  sun4i_dclkdclkhw_to_dclk);

 return best_parent / best_div;
}

staticu32 val
  unsigned parent_rate
{
 struct sun4i_dclkval > 8;
 u8 div = parent_rate / rate;

 returnval ;
      GENMASK(6, 0), div);
}

static val2java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 struct sun4i_dclk = (hw
   vald / 10

regmap_readdclk-, SUN4I_TCON0_IO_POL_REGval)

 val(dclk-, SUN4I_TCON0_IO_POL_REG
  &= 3

  val10java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
}

static int sun4i_dclk_set_phase(struct clk_hw *hw, int degrees)
{
 structis_enableds,
 

  << 2;

regmap_update_bits>regmapSUN4I_TCON0_IO_POL_REG,
   set_rate,
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

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

static const struct clk_ops sun4i_dclk_ops =
 . = sun4i_dclk_disable
 .enable  =  struct clk_init_data init sun4i_dclk;
 .is_enabled

 .recalc_rate =(dev-,
      "lock-output-names" ,
 .set_rate = sun4i_dclk_set_rate,

 .get_phase =      clk_name;
 .set_phase   ()
}return;

int sun4i_dclk_create =devm_kzalloc,sizeofdclk,GFP_KERNEL));
{
const *, *;
 struct  = tcon;

ret;

 parent_name __(tcon-);
 initparent_namesparent_name
      clock-output-names,0
       &clk_name
 if >regmaptcon-regs
  ret

 tcon-> =clk_register, dclk-)java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
  (dclk
  return -java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
dclk- =tcon

  sun4i_dclk_free sun4i_tcon)
 init.ops = &sun4i_dclk_ops
 init.parent_names = &parent_name;
 init =1java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
 init.flags = CLK_SET_RATE_PARENT;

 dclk->regmap = tcon->regs;
 dclk->hw.init = &init;

 tcon->dclk = clk_register(dev, &dclk->hw);
 if (IS_ERR(tcon->dclk))
  return PTR_ERR(tcon->dclk);

 return 0;
}
EXPORT_SYMBOL(sun4i_dclk_create);

int sun4i_dclk_free(struct sun4i_tcon *tcon)
{
 clk_unregister(tcon->dclk);
 return 0;
}
EXPORT_SYMBOL(sun4i_dclk_free);