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path: root/drivers/mfd/stw481x.c
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Diffstat (limited to 'drivers/mfd/stw481x.c')
-rw-r--r--drivers/mfd/stw481x.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/mfd/stw481x.c b/drivers/mfd/stw481x.c
index 1243d5c..7ceb3df 100644
--- a/drivers/mfd/stw481x.c
+++ b/drivers/mfd/stw481x.c
@@ -167,7 +167,7 @@ static struct mfd_cell stw481x_cells[] = {
},
};
-const struct regmap_config stw481x_regmap_config = {
+static const struct regmap_config stw481x_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
};
@@ -186,6 +186,12 @@ static int stw481x_probe(struct i2c_client *client,
i2c_set_clientdata(client, stw481x);
stw481x->client = client;
stw481x->map = devm_regmap_init_i2c(client, &stw481x_regmap_config);
+ if (IS_ERR(stw481x->map)) {
+ ret = PTR_ERR(stw481x->map);
+ dev_err(&client->dev, "Failed to allocate register map: %d\n",
+ ret);
+ return ret;
+ }
ret = stw481x_startup(stw481x);
if (ret) {