Add a regmap-based write function.
Signed-off-by: Heiner Kallweit <hkallweit1@xxxxxxxxx>
---
v2:
- rebased
---
drivers/misc/eeprom/at24.c | 18 +++++++++++++++++-
1 file changed, 17 insertions(+), 1 deletion(-)
diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c
index 1411fa029..c0c59575e 100644
--- a/drivers/misc/eeprom/at24.c
+++ b/drivers/misc/eeprom/at24.c
@@ -525,6 +525,22 @@ static ssize_t at24_eeprom_write_smbus_byte(struct at24_data *at24,
return -ETIMEDOUT;
}
+static ssize_t at24_regmap_write(struct at24_data *at24, const char *buf,
+ unsigned int offset, size_t count)
+{
+ unsigned long timeout, write_time;
+ struct regmap *regmap;
+
+ regmap = at24_translate_offset(at24, &offset)->regmap;
+ count = at24_adjust_write_count(at24, offset, count);
+
+ loop_until_timeout(timeout, write_time)
+ if (!regmap_bulk_write(regmap, offset, buf, count))
+ return count;
+
+ return -ETIMEDOUT;
+}
+
static ssize_t at24_eeprom_write_i2c(struct at24_data *at24, const char *buf,
unsigned int offset, size_t count)
{
@@ -636,7 +652,7 @@ static int at24_write(void *priv, unsigned int off, void *val, size_t count)
while (count) {
int status;
- status = at24->write_func(at24, buf, off, count);
+ status = at24_regmap_write(at24, buf, off, count);
if (status < 0) {
mutex_unlock(&at24->lock);
pm_runtime_put(&client->dev);
--
2.15.0
