Release 4.9 drivers/base/regmap/regcache-flat.c
/*
* Register cache access API - flat caching support
*
* Copyright 2012 Wolfson Microelectronics plc
*
* Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/device.h>
#include <linux/seq_file.h>
#include <linux/slab.h>
#include "internal.h"
static inline unsigned int regcache_flat_get_index(const struct regmap *map,
unsigned int reg)
{
return regcache_get_index_by_order(map, reg);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| xiubo li | xiubo li | 26 | 100.00% | 1 | 100.00% |
| Total | 26 | 100.00% | 1 | 100.00% |
static int regcache_flat_init(struct regmap *map)
{
int i;
unsigned int *cache;
if (!map || map->reg_stride_order < 0 || !map->max_register)
return -EINVAL;
map->cache = kcalloc(regcache_flat_get_index(map, map->max_register)
+ 1, sizeof(unsigned int), GFP_KERNEL);
if (!map->cache)
return -ENOMEM;
cache = map->cache;
for (i = 0; i < map->num_reg_defaults; i++)
cache[regcache_flat_get_index(map, map->reg_defaults[i].reg)] =
map->reg_defaults[i].def;
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| mark brown | mark brown | 90 | 71.43% | 1 | 25.00% |
| xiubo li | xiubo li | 31 | 24.60% | 2 | 50.00% |
| alexander stein | alexander stein | 5 | 3.97% | 1 | 25.00% |
| Total | 126 | 100.00% | 4 | 100.00% |
static int regcache_flat_exit(struct regmap *map)
{
kfree(map->cache);
map->cache = NULL;
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| mark brown | mark brown | 27 | 100.00% | 1 | 100.00% |
| Total | 27 | 100.00% | 1 | 100.00% |
static int regcache_flat_read(struct regmap *map,
unsigned int reg, unsigned int *value)
{
unsigned int *cache = map->cache;
*value = cache[regcache_flat_get_index(map, reg)];
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| mark brown | mark brown | 40 | 88.89% | 1 | 50.00% |
| xiubo li | xiubo li | 5 | 11.11% | 1 | 50.00% |
| Total | 45 | 100.00% | 2 | 100.00% |
static int regcache_flat_write(struct regmap *map, unsigned int reg,
unsigned int value)
{
unsigned int *cache = map->cache;
cache[regcache_flat_get_index(map, reg)] = value;
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| mark brown | mark brown | 38 | 88.37% | 1 | 50.00% |
| xiubo li | xiubo li | 5 | 11.63% | 1 | 50.00% |
| Total | 43 | 100.00% | 2 | 100.00% |
struct regcache_ops regcache_flat_ops = {
.type = REGCACHE_FLAT,
.name = "flat",
.init = regcache_flat_init,
.exit = regcache_flat_exit,
.read = regcache_flat_read,
.write = regcache_flat_write,
};
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| mark brown | mark brown | 241 | 76.27% | 1 | 20.00% |
| xiubo li | xiubo li | 70 | 22.15% | 3 | 60.00% |
| alexander stein | alexander stein | 5 | 1.58% | 1 | 20.00% |
| Total | 316 | 100.00% | 5 | 100.00% |