Release 4.16 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 | 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++) {
unsigned int reg = map->reg_defaults[i].reg;
unsigned int index = regcache_flat_get_index(map, reg);
cache[index] = map->reg_defaults[i].def;
}
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Mark Brown | 88 | 62.86% | 1 | 20.00% |
| Xiubo Li | 27 | 19.29% | 2 | 40.00% |
| Andrew F. Davis | 20 | 14.29% | 1 | 20.00% |
| Alexander Stein | 5 | 3.57% | 1 | 20.00% |
| Total | 140 | 100.00% | 5 | 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 | 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;
unsigned int index = regcache_flat_get_index(map, reg);
*value = cache[index];
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Mark Brown | 35 | 68.63% | 1 | 33.33% |
| Andrew F. Davis | 11 | 21.57% | 1 | 33.33% |
| Xiubo Li | 5 | 9.80% | 1 | 33.33% |
| Total | 51 | 100.00% | 3 | 100.00% |
static int regcache_flat_write(struct regmap *map, unsigned int reg,
unsigned int value)
{
unsigned int *cache = map->cache;
unsigned int index = regcache_flat_get_index(map, reg);
cache[index] = value;
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Mark Brown | 36 | 73.47% | 1 | 33.33% |
| Andrew F. Davis | 8 | 16.33% | 1 | 33.33% |
| Xiubo Li | 5 | 10.20% | 1 | 33.33% |
| Total | 49 | 100.00% | 3 | 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 | 232 | 67.84% | 1 | 16.67% |
| Xiubo Li | 66 | 19.30% | 3 | 50.00% |
| Andrew F. Davis | 39 | 11.40% | 1 | 16.67% |
| Alexander Stein | 5 | 1.46% | 1 | 16.67% |
| Total | 342 | 100.00% | 6 | 100.00% |
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