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-rw-r--r--drivers/net/pse-pd/pse_core.c11
-rw-r--r--drivers/net/pse-pd/tps23881.c5
2 files changed, 12 insertions, 4 deletions
diff --git a/drivers/net/pse-pd/pse_core.c b/drivers/net/pse-pd/pse_core.c
index ec20953e0f82..4f032b16a8a0 100644
--- a/drivers/net/pse-pd/pse_core.c
+++ b/drivers/net/pse-pd/pse_core.c
@@ -401,9 +401,14 @@ devm_pse_pi_regulator_register(struct pse_controller_dev *pcdev,
rdesc->ops = &pse_pi_ops;
rdesc->owner = pcdev->owner;
- rinit_data->constraints.valid_ops_mask = REGULATOR_CHANGE_STATUS |
- REGULATOR_CHANGE_CURRENT;
- rinit_data->constraints.max_uA = MAX_PI_CURRENT;
+ rinit_data->constraints.valid_ops_mask = REGULATOR_CHANGE_STATUS;
+
+ if (pcdev->ops->pi_set_current_limit) {
+ rinit_data->constraints.valid_ops_mask |=
+ REGULATOR_CHANGE_CURRENT;
+ rinit_data->constraints.max_uA = MAX_PI_CURRENT;
+ }
+
rinit_data->supply_regulator = "vpwr";
rconfig.dev = pcdev->dev;
diff --git a/drivers/net/pse-pd/tps23881.c b/drivers/net/pse-pd/tps23881.c
index 61f6ad9c1934..2ea75686a319 100644
--- a/drivers/net/pse-pd/tps23881.c
+++ b/drivers/net/pse-pd/tps23881.c
@@ -5,6 +5,7 @@
* Copyright (c) 2023 Bootlin, Kory Maincent <kory.maincent@bootlin.com>
*/
+#include <linux/bitfield.h>
#include <linux/delay.h>
#include <linux/firmware.h>
#include <linux/i2c.h>
@@ -29,6 +30,8 @@
#define TPS23881_REG_TPON BIT(0)
#define TPS23881_REG_FWREV 0x41
#define TPS23881_REG_DEVID 0x43
+#define TPS23881_REG_DEVID_MASK 0xF0
+#define TPS23881_DEVICE_ID 0x02
#define TPS23881_REG_SRAM_CTRL 0x60
#define TPS23881_REG_SRAM_DATA 0x61
@@ -750,7 +753,7 @@ static int tps23881_i2c_probe(struct i2c_client *client)
if (ret < 0)
return ret;
- if (ret != 0x22) {
+ if (FIELD_GET(TPS23881_REG_DEVID_MASK, ret) != TPS23881_DEVICE_ID) {
dev_err(dev, "Wrong device ID\n");
return -ENXIO;
}