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Date: Mon, 11 Jan 2021 02:21:54 +0100
From: Marek Behún <kabel@...nel.org>
To: netdev@...r.kernel.org
Cc: pavana.sharma@...i.com, vivien.didelot@...il.com,
f.fainelli@...il.com, kuba@...nel.org, lkp@...el.com,
davem@...emloft.net, ashkan.boldaji@...i.com, andrew@...n.ch,
Chris Packham <chris.packham@...iedtelesis.co.nz>,
olteanv@...il.com,
Russell King - ARM Linux admin <linux@...linux.org.uk>,
Marek Behún <kabel@...nel.org>
Subject: [PATCH net-next v14 4/6] net: dsa: mv88e6xxx: wrap .set_egress_port method
There are two implementations of the .set_egress_port method, and both
of them, if successful, set chip->*gress_dest_port variable.
To avoid code repetition, wrap this method into
mv88e6xxx_set_egress_port.
Signed-off-by: Marek Behún <kabel@...nel.org>
---
drivers/net/dsa/mv88e6xxx/chip.c | 48 ++++++++++++++++++-----------
drivers/net/dsa/mv88e6xxx/global1.c | 19 ++----------
2 files changed, 32 insertions(+), 35 deletions(-)
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 9bddd70449c6..62bef0759077 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -2521,6 +2521,26 @@ static int mv88e6xxx_serdes_power(struct mv88e6xxx_chip *chip, int port,
return err;
}
+static int mv88e6xxx_set_egress_port(struct mv88e6xxx_chip *chip,
+ enum mv88e6xxx_egress_direction direction,
+ int port)
+{
+ int err = -EOPNOTSUPP;
+
+ if (chip->info->ops->set_egress_port) {
+ err = chip->info->ops->set_egress_port(chip, direction, port);
+ if (err)
+ return err;
+
+ if (direction == MV88E6XXX_EGRESS_DIR_INGRESS)
+ chip->ingress_dest_port = port;
+ else
+ chip->egress_dest_port = port;
+ }
+
+ return err;
+}
+
static int mv88e6xxx_setup_upstream_port(struct mv88e6xxx_chip *chip, int port)
{
struct dsa_switch *ds = chip->ds;
@@ -2543,19 +2563,17 @@ static int mv88e6xxx_setup_upstream_port(struct mv88e6xxx_chip *chip, int port)
return err;
}
- if (chip->info->ops->set_egress_port) {
- err = chip->info->ops->set_egress_port(chip,
+ err = mv88e6xxx_set_egress_port(chip,
MV88E6XXX_EGRESS_DIR_INGRESS,
upstream_port);
- if (err)
- return err;
+ if (err && err != -EOPNOTSUPP)
+ return err;
- err = chip->info->ops->set_egress_port(chip,
+ err = mv88e6xxx_set_egress_port(chip,
MV88E6XXX_EGRESS_DIR_EGRESS,
upstream_port);
- if (err)
- return err;
- }
+ if (err && err != -EOPNOTSUPP)
+ return err;
}
return 0;
@@ -5297,9 +5315,6 @@ static int mv88e6xxx_port_mirror_add(struct dsa_switch *ds, int port,
int i;
int err;
- if (!chip->info->ops->set_egress_port)
- return -EOPNOTSUPP;
-
mutex_lock(&chip->reg_lock);
if ((ingress ? chip->ingress_dest_port : chip->egress_dest_port) !=
mirror->to_local_port) {
@@ -5314,9 +5329,8 @@ static int mv88e6xxx_port_mirror_add(struct dsa_switch *ds, int port,
goto out;
}
- err = chip->info->ops->set_egress_port(chip,
- direction,
- mirror->to_local_port);
+ err = mv88e6xxx_set_egress_port(chip, direction,
+ mirror->to_local_port);
if (err)
goto out;
}
@@ -5349,10 +5363,8 @@ static void mv88e6xxx_port_mirror_del(struct dsa_switch *ds, int port,
/* Reset egress port when no other mirror is active */
if (!other_mirrors) {
- if (chip->info->ops->set_egress_port(chip,
- direction,
- dsa_upstream_port(ds,
- port)))
+ if (mv88e6xxx_set_egress_port(chip, direction,
+ dsa_upstream_port(ds, port)))
dev_err(ds->dev, "failed to set egress port\n");
}
diff --git a/drivers/net/dsa/mv88e6xxx/global1.c b/drivers/net/dsa/mv88e6xxx/global1.c
index 33d443a37efc..815b0f681d69 100644
--- a/drivers/net/dsa/mv88e6xxx/global1.c
+++ b/drivers/net/dsa/mv88e6xxx/global1.c
@@ -315,7 +315,6 @@ int mv88e6095_g1_set_egress_port(struct mv88e6xxx_chip *chip,
enum mv88e6xxx_egress_direction direction,
int port)
{
- int *dest_port_chip;
u16 reg;
int err;
@@ -325,13 +324,11 @@ int mv88e6095_g1_set_egress_port(struct mv88e6xxx_chip *chip,
switch (direction) {
case MV88E6XXX_EGRESS_DIR_INGRESS:
- dest_port_chip = &chip->ingress_dest_port;
reg &= ~MV88E6185_G1_MONITOR_CTL_INGRESS_DEST_MASK;
reg |= port <<
__bf_shf(MV88E6185_G1_MONITOR_CTL_INGRESS_DEST_MASK);
break;
case MV88E6XXX_EGRESS_DIR_EGRESS:
- dest_port_chip = &chip->egress_dest_port;
reg &= ~MV88E6185_G1_MONITOR_CTL_EGRESS_DEST_MASK;
reg |= port <<
__bf_shf(MV88E6185_G1_MONITOR_CTL_EGRESS_DEST_MASK);
@@ -340,11 +337,7 @@ int mv88e6095_g1_set_egress_port(struct mv88e6xxx_chip *chip,
return -EINVAL;
}
- err = mv88e6xxx_g1_write(chip, MV88E6185_G1_MONITOR_CTL, reg);
- if (!err)
- *dest_port_chip = port;
-
- return err;
+ return mv88e6xxx_g1_write(chip, MV88E6185_G1_MONITOR_CTL, reg);
}
/* Older generations also call this the ARP destination. It has been
@@ -380,28 +373,20 @@ int mv88e6390_g1_set_egress_port(struct mv88e6xxx_chip *chip,
enum mv88e6xxx_egress_direction direction,
int port)
{
- int *dest_port_chip;
u16 ptr;
- int err;
switch (direction) {
case MV88E6XXX_EGRESS_DIR_INGRESS:
- dest_port_chip = &chip->ingress_dest_port;
ptr = MV88E6390_G1_MONITOR_MGMT_CTL_PTR_INGRESS_DEST;
break;
case MV88E6XXX_EGRESS_DIR_EGRESS:
- dest_port_chip = &chip->egress_dest_port;
ptr = MV88E6390_G1_MONITOR_MGMT_CTL_PTR_EGRESS_DEST;
break;
default:
return -EINVAL;
}
- err = mv88e6390_g1_monitor_write(chip, ptr, port);
- if (!err)
- *dest_port_chip = port;
-
- return err;
+ return mv88e6390_g1_monitor_write(chip, ptr, port);
}
int mv88e6390_g1_set_cpu_port(struct mv88e6xxx_chip *chip, int port)
--
2.26.2
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