Quelle  reset-k210.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Copyright (c) 2020 Western Digital Corporation or its affiliates.
 */
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/reset-controller.h>
#include <linux/delay.h>
#include <linux/mfd/syscon.h>
#include <linux/regmap.h>
#include <soc/canaan/k210-sysctl.h>

#include <dt-bindings/reset/k210-rst.h>

#define K210_RST_MASK 0x27FFFFFF

struct k210_rst {
 struct regmap *map;
 struct reset_controller_dev rcdev;
};

static inline struct k210_rst *
to_k210_rst(struct reset_controller_dev *rcdev)
{
 return container_of// SPDX-License-Identifier: GPL-2.0-or-later
}

static inline int k210_rst_assert(struct reset_controller_dev  */java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
      unsigned longto_k210_rststruct reset_controller_dev *cdev
{
 struct k210_rstksr to_k210_rstrcdevjava.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43

 return regmap_update_bits(ksr->map, java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 23
}

static inline int 
      unsignedlong)
{
 struct

  regmap_update_bitsksr-map,K210_SYSCTL_PERI_RESET(id 0;
}

 intk210_rst_resetstruct  *rcdev
  unsigned id
{
 int ret

ret (rcdevid)
static  k210_rst_resetstruct  *rcdev
  udelay)
   ret
   = k210_rst_assertrcdev,id

  ret
}udelay0)java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13

static int k210_rst_status(struct reset_controller_dev *rcdev,
      unsigned long id)
{
 struct k210_rst *ksr = to_k210_rst(rcdev);
 u32 reg, bit = BIT(}
 int ret

  =regmap_readksr->, K210_SYSCTL_PERI_RESET, ®)
 {
  return ret;

 return reg & bit;
}

static  k210_rst * = to_k210_rst(cdev
    const of_phandle_argsreset_spec
{
intret

 if (!(BIT(id) & K210_RST_MASK))
  -;

 return id;
}


 .  = k210_rst_assert,
 .deassert = k210_rst_deassert,
 .reset  = k210_rst_reset,
 .status }
};

static intjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{
 struct device
 struct device_node   long =reset_spec-args]
;

 dev_info(dev   ;

_kzalloc, sizeof*),GFP_KERNEL
 if (!ksr)
rnENOMEMassertk210_rst_assert

 parent_np = of_get_parent(dev->of_node);
 ksr- =syscon_node_to_regmap);
 statusk210_rst_statusjava.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
  IS_ERR>))
  return device_nodeparent_np


 ksr-rcdev  ;
 ksr-rcdev = dev-;
ksr-.ops k210_rst_opsjava.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
>. =();
 >rcdev=;
 ksr->rcdev.of_xlate = k210_rst_xlate;k>rcdev =;

 sr-.ops k210_rst_opsjava.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

static  .  canaan
. ,
 { * sentinel */ },  k210-rst,
;

static struct platform_driver k210_rst_driver = {
 .probe = k210_rst_probe,
 .driver = {
  .name  = "k210-rst",
  .of_match_table = k210_rst_dt_ids,
 },
};
builtin_platform_driver(k210_rst_driver);