@@ -24,10 +24,10 @@ static int st_lsm9ds0_power_enable(struct device *dev, struct st_lsm9ds0 *lsm9ds
/* Regulators not mandatory, but if requested we should enable them. */
lsm9ds0->vdd = devm_regulator_get(dev, "vdd");
- if (IS_ERR(lsm9ds0->vdd)) {
- dev_err(dev, "unable to get Vdd supply\n");
- return PTR_ERR(lsm9ds0->vdd);
- }
+ if (IS_ERR(lsm9ds0->vdd))
+ return dev_err_probe(dev, PTR_ERR(lsm9ds0->vdd),
+ "unable to get Vdd supply\n");
+
ret = regulator_enable(lsm9ds0->vdd);
if (ret) {
dev_warn(dev, "Failed to enable specified Vdd supply\n");
@@ -36,9 +36,9 @@ static int st_lsm9ds0_power_enable(struct device *dev, struct st_lsm9ds0 *lsm9ds
lsm9ds0->vdd_io = devm_regulator_get(dev, "vddio");
if (IS_ERR(lsm9ds0->vdd_io)) {
- dev_err(dev, "unable to get Vdd_IO supply\n");
regulator_disable(lsm9ds0->vdd);
- return PTR_ERR(lsm9ds0->vdd_io);
+ return dev_err_probe(dev, PTR_ERR(lsm9ds0->vdd_io),
+ "unable to get Vdd_IO supply\n");
}
ret = regulator_enable(lsm9ds0->vdd_io);
if (ret) {
When possible use dev_err_probe help to properly deal with the PROBE_DEFER error, the benefit is that DEFER issue will be logged in the devices_deferred debugfs file. Using dev_err_probe() can reduce code size, and the error value gets printed. Signed-off-by: Cai Huoqing <caihuoqing@baidu.com> --- drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_core.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-)