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path: root/drivers/base/regmap/regmap-i2c.c
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Diffstat (limited to 'drivers/base/regmap/regmap-i2c.c')
-rw-r--r--drivers/base/regmap/regmap-i2c.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/base/regmap/regmap-i2c.c b/drivers/base/regmap/regmap-i2c.c
index 3ec611dc0c09..c9b39a02278e 100644
--- a/drivers/base/regmap/regmap-i2c.c
+++ b/drivers/base/regmap/regmap-i2c.c
@@ -350,7 +350,8 @@ static const struct regmap_bus *regmap_get_i2c_bus(struct i2c_client *i2c,
if (quirks->max_write_len &&
(bus->max_raw_write == 0 || bus->max_raw_write > quirks->max_write_len))
- max_write = quirks->max_write_len;
+ max_write = quirks->max_write_len -
+ (config->reg_bits + config->pad_bits) / BITS_PER_BYTE;
if (max_read || max_write) {
ret_bus = kmemdup(bus, sizeof(*bus), GFP_KERNEL);
@@ -396,4 +397,5 @@ struct regmap *__devm_regmap_init_i2c(struct i2c_client *i2c,
}
EXPORT_SYMBOL_GPL(__devm_regmap_init_i2c);
+MODULE_DESCRIPTION("Register map access API - I2C support");
MODULE_LICENSE("GPL");