diff options
Diffstat (limited to 'drivers/iio/dac/stm32-dac-core.c')
| -rw-r--r-- | drivers/iio/dac/stm32-dac-core.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/iio/dac/stm32-dac-core.c b/drivers/iio/dac/stm32-dac-core.c index 4d93446c58f5..7e5809ba0dee 100644 --- a/drivers/iio/dac/stm32-dac-core.c +++ b/drivers/iio/dac/stm32-dac-core.c @@ -147,8 +147,16 @@ static int stm32_dac_probe(struct platform_device *pdev) priv->common.vref_mv = ret / 1000; dev_dbg(dev, "vref+=%dmV\n", priv->common.vref_mv); - rst = devm_reset_control_get_exclusive(dev, NULL); - if (!IS_ERR(rst)) { + rst = devm_reset_control_get_optional_exclusive(dev, NULL); + if (rst) { + if (IS_ERR(rst)) { + ret = PTR_ERR(rst); + if (ret != -EPROBE_DEFER) + dev_err(dev, "reset get failed, %d\n", ret); + + goto err_hw_stop; + } + reset_control_assert(rst); udelay(2); reset_control_deassert(rst); |