[PATCH v2 2/4] net: ks8851: Use devm_regulator_get_optional()

From: Stephen Boyd
Date: Fri May 23 2014 - 15:57:34 EST


This simplifies error paths and removes the need to
regulator_put().

Cc: Nishanth Menon <nm@xxxxxx>
Signed-off-by: Stephen Boyd <sboyd@xxxxxxxxxxxxxx>
---
drivers/net/ethernet/micrel/ks8851.c | 11 +++--------
1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/net/ethernet/micrel/ks8851.c b/drivers/net/ethernet/micrel/ks8851.c
index 13767eb36a48..f2bfc708880c 100644
--- a/drivers/net/ethernet/micrel/ks8851.c
+++ b/drivers/net/ethernet/micrel/ks8851.c
@@ -1417,7 +1417,7 @@ static int ks8851_probe(struct spi_device *spi)
ks->spidev = spi;
ks->tx_space = 6144;

- ks->vdd_reg = regulator_get_optional(&spi->dev, "vdd");
+ ks->vdd_reg = devm_regulator_get_optional(&spi->dev, "vdd");
if (IS_ERR(ks->vdd_reg)) {
ret = PTR_ERR(ks->vdd_reg);
if (ret == -EPROBE_DEFER)
@@ -1427,7 +1427,7 @@ static int ks8851_probe(struct spi_device *spi)
if (ret) {
dev_err(&spi->dev, "regulator enable fail: %d\n",
ret);
- goto err_reg_en;
+ goto err_reg;
}
}

@@ -1530,9 +1530,6 @@ err_irq:
err_id:
if (!IS_ERR(ks->vdd_reg))
regulator_disable(ks->vdd_reg);
-err_reg_en:
- if (!IS_ERR(ks->vdd_reg))
- regulator_put(ks->vdd_reg);
err_reg:
free_netdev(ndev);
return ret;
@@ -1547,10 +1544,8 @@ static int ks8851_remove(struct spi_device *spi)

unregister_netdev(priv->netdev);
free_irq(spi->irq, priv);
- if (!IS_ERR(priv->vdd_reg)) {
+ if (!IS_ERR(priv->vdd_reg))
regulator_disable(priv->vdd_reg);
- regulator_put(priv->vdd_reg);
- }
free_netdev(priv->netdev);

return 0;
--
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