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regmap: debugfs: simplify regmap_reg_ranges_read_file() slightly

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By printing the newline character to entry, we can avoid accounting
for it manually in several places.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Rasmus Villemoes 2015-09-30 20:30:27 +02:00 • committed by Mark Brown
parent 20991cdb26
commit ca07e9f3cb
1 changed files with 3 additions and 5 deletions
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8
drivers/base/regmap/regmap-debugfs.c
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@ -365,17 +365,15 @@ static ssize_t regmap_reg_ranges_read_file(struct file *file,
p = 0; p = 0;
mutex_lock(&map->cache_lock); mutex_lock(&map->cache_lock);
list_for_each_entry(c, &map->debugfs_off_cache, list) { list_for_each_entry(c, &map->debugfs_off_cache, list) {
entry_len = snprintf(entry, PAGE_SIZE, "%x-%x", entry_len = snprintf(entry, PAGE_SIZE, "%x-%x\n",
c->base_reg, c->max_reg); c->base_reg, c->max_reg);
if (p >= *ppos) { if (p >= *ppos) {
if (buf_pos + 1 + entry_len > count) if (buf_pos + entry_len > count)
break; break;
memcpy(buf + buf_pos, entry, entry_len); memcpy(buf + buf_pos, entry, entry_len);
buf_pos += entry_len; buf_pos += entry_len;
buf[buf_pos] = '\n';
buf_pos++;
} }
p += entry_len + 1; p += entry_len;
} }
mutex_unlock(&map->cache_lock); mutex_unlock(&map->cache_lock);