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regmap: Cleanup and microoptimization

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Merge series from Andy Shevchenko <andriy.shevchenko@linux.intel.com>:

Two patches move the code to use BITS_TO_BYTES(), while the last
one otpimizes the code generation on x86 (32- and 64-bit on different
compilers).
This commit is contained in:
Mark Brown 2024-12-02 13:42:01 +00:00
commit a308f9e47f
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2 changed files with 5 additions and 6 deletions
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2
drivers/base/regmap/regcache.c
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@ -154,7 +154,7 @@ int regcache_init(struct regmap *map, const struct regmap_config *config)
map->num_reg_defaults = config->num_reg_defaults;
map->num_reg_defaults_raw = config->num_reg_defaults_raw;
map->reg_defaults_raw = config->reg_defaults_raw;
map->cache_word_size = DIV_ROUND_UP(config->val_bits, 8);
map->cache_word_size = BITS_TO_BYTES(config->val_bits);
map->cache_size_raw = map->cache_word_size * config->num_reg_defaults_raw;
map->cache = NULL;

9
drivers/base/regmap/regmap.c
View file

@ -758,14 +758,13 @@ struct regmap *__regmap_init(struct device *dev,
map->alloc_flags = GFP_KERNEL;
map->reg_base = config->reg_base;
map->reg_shift = config->pad_bits % 8;
map->format.reg_bytes = DIV_ROUND_UP(config->reg_bits, 8);
map->format.pad_bytes = config->pad_bits / 8;
map->format.reg_shift = config->reg_shift;
map->format.val_bytes = DIV_ROUND_UP(config->val_bits, 8);
map->format.buf_size = DIV_ROUND_UP(config->reg_bits +
config->val_bits + config->pad_bits, 8);
map->reg_shift = config->pad_bits % 8;
map->format.reg_bytes = BITS_TO_BYTES(config->reg_bits);
map->format.val_bytes = BITS_TO_BYTES(config->val_bits);
map->format.buf_size = BITS_TO_BYTES(config->reg_bits + config->val_bits + config->pad_bits);
if (config->reg_stride)
map->reg_stride = config->reg_stride;
else