Thread (13 messages) flat view 13 messages, 3 authors, 2017-06-16
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[PATCH net-next v5 09/11] net: mvmdio: simplify the smi read and write error paths

From: Antoine Tenart <hidden>
Date: 2017-06-15 14:43:24
Also in: netdev
Subsystem: networking drivers, the rest · Maintainers: Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

Cosmetic patch simplifying the smi read and write error paths. It also
align their error paths with the ones of the xsmi functions.

Signed-off-by: Antoine Tenart <redacted>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
---
 drivers/net/ethernet/marvell/mvmdio.c | 16 ++++++----------
 1 file changed, 6 insertions(+), 10 deletions(-)
diff --git a/drivers/net/ethernet/marvell/mvmdio.c b/drivers/net/ethernet/marvell/mvmdio.c
index 0888e50f6b17..c9798210fa0f 100644
--- a/drivers/net/ethernet/marvell/mvmdio.c
+++ b/drivers/net/ethernet/marvell/mvmdio.c
@@ -149,7 +149,7 @@ static int orion_mdio_smi_read(struct mii_bus *bus, int mii_id,
 
 	ret = orion_mdio_wait_ready(&orion_mdio_smi_ops, bus);
 	if (ret < 0)
-		goto out;
+		return ret;
 
 	writel(((mii_id << MVMDIO_SMI_PHY_ADDR_SHIFT) |
 		(regnum << MVMDIO_SMI_PHY_REG_SHIFT)  |
@@ -158,18 +158,15 @@ static int orion_mdio_smi_read(struct mii_bus *bus, int mii_id,
 
 	ret = orion_mdio_wait_ready(&orion_mdio_smi_ops, bus);
 	if (ret < 0)
-		goto out;
+		return ret;
 
 	val = readl(dev->regs);
 	if (!(val & MVMDIO_SMI_READ_VALID)) {
 		dev_err(bus->parent, "SMI bus read not valid\n");
-		ret = -ENODEV;
-		goto out;
+		return -ENODEV;
 	}
 
-	ret = val & GENMASK(15, 0);
-out:
-	return ret;
+	return val & GENMASK(15, 0);
 }
 
 static int orion_mdio_smi_write(struct mii_bus *bus, int mii_id,
@@ -183,7 +180,7 @@ static int orion_mdio_smi_write(struct mii_bus *bus, int mii_id,
 
 	ret = orion_mdio_wait_ready(&orion_mdio_smi_ops, bus);
 	if (ret < 0)
-		goto out;
+		return ret;
 
 	writel(((mii_id << MVMDIO_SMI_PHY_ADDR_SHIFT) |
 		(regnum << MVMDIO_SMI_PHY_REG_SHIFT)  |
@@ -191,8 +188,7 @@ static int orion_mdio_smi_write(struct mii_bus *bus, int mii_id,
 		(value << MVMDIO_SMI_DATA_SHIFT)),
 	       dev->regs);
 
-out:
-	return ret;
+	return 0;
 }
 
 static int orion_mdio_xsmi_is_done(struct orion_mdio_dev *dev)
-- 
2.9.4
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