diff options
| author | Bjorn Helgaas <bhelgaas@google.com> | 2016-08-01 19:34:01 +0200 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2016-08-01 19:34:01 +0200 |
| commit | 9454c23852ca6d7aec89fd6fd46a046c323caac3 (patch) | |
| tree | 794be65345027b5adea3720a43124fee338333a5 /drivers/iio/adc/ad7266.c | |
| parent | Merge branches 'pci/host-aardvark', 'pci/host-altera', 'pci/host-dra7xx', 'pc... (diff) | |
| parent | PCI: Spread interrupt vectors in pci_alloc_irq_vectors() (diff) | |
| download | linux-9454c23852ca6d7aec89fd6fd46a046c323caac3.tar.xz linux-9454c23852ca6d7aec89fd6fd46a046c323caac3.zip | |
Merge branch 'pci/msi-affinity' into next
Conflicts:
drivers/nvme/host/pci.c
Diffstat (limited to 'drivers/iio/adc/ad7266.c')
| -rw-r--r-- | drivers/iio/adc/ad7266.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/iio/adc/ad7266.c b/drivers/iio/adc/ad7266.c index 21e19b60e2b9..2123f0ac2e2a 100644 --- a/drivers/iio/adc/ad7266.c +++ b/drivers/iio/adc/ad7266.c @@ -396,8 +396,8 @@ static int ad7266_probe(struct spi_device *spi) st = iio_priv(indio_dev); - st->reg = devm_regulator_get(&spi->dev, "vref"); - if (!IS_ERR_OR_NULL(st->reg)) { + st->reg = devm_regulator_get_optional(&spi->dev, "vref"); + if (!IS_ERR(st->reg)) { ret = regulator_enable(st->reg); if (ret) return ret; @@ -408,6 +408,9 @@ static int ad7266_probe(struct spi_device *spi) st->vref_mv = ret / 1000; } else { + /* Any other error indicates that the regulator does exist */ + if (PTR_ERR(st->reg) != -ENODEV) + return PTR_ERR(st->reg); /* Use internal reference */ st->vref_mv = 2500; } |