diff mbox series

[3/5] hwmon: (pmbus/core) allow drivers to override WRITE_PROTECT

Message ID 20240920-pmbus-wp-v1-3-d679ef31c483@baylibre.com (mailing list archive)
State Superseded
Headers show
Series hwmon: (pmbus/core) support write protected pmbus regulators | expand

Commit Message

Jerome Brunet Sept. 20, 2024, 4:47 p.m. UTC 
Use _pmbus_read_byte_data() rather than calling smbus directly to check
the write protection status. This give a chance to device implementing
write protection differently to report back on the actual write protection
status.

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
---
 drivers/hwmon/pmbus/pmbus_core.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c
index 0ea6fe7eb17c..82522fc9090a 100644
--- a/drivers/hwmon/pmbus/pmbus_core.c
+++ b/drivers/hwmon/pmbus/pmbus_core.c
@@ -2712,9 +2712,7 @@  static int pmbus_init_common(struct i2c_client *client, struct pmbus_data *data,
 	 * limit registers need to be disabled.
 	 */
 	if (!(data->flags & PMBUS_NO_WRITE_PROTECT)) {
-		pmbus_wait(client);
-		ret = i2c_smbus_read_byte_data(client, PMBUS_WRITE_PROTECT);
-		pmbus_update_ts(client, false);
+		ret = _pmbus_read_byte_data(client, 0xff, PMBUS_WRITE_PROTECT);
 
 		if (ret > 0 && (ret & PB_WP_ANY))
 			data->flags |= PMBUS_WRITE_PROTECTED | PMBUS_SKIP_STATUS_CHECK;