Re: [PATCH net-next 2/4] net: dsa: remove phy arg from port enable/disable

From: Florian Fainelli
Date: Fri Sep 22 2017 - 13:15:09 EST

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In reply to: Vivien Didelot: "[PATCH net-next 2/4] net: dsa: remove phy arg from port enable/disable"
Next in thread: Vivien Didelot: "Re: [PATCH net-next 2/4] net: dsa: remove phy arg from port enable/disable"
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On 09/22/2017 09:17 AM, Vivien Didelot wrote:
> The .port_enable and .port_disable functions are meant to deal with the
> switch ports only, and no driver is using the phy argument anyway.
> Remove it.

I don't think this makes sense, there are perfectly legit reasons why a
switch driver may have something to do with the PHY device attached to
its per-port network interface, we should definitively keep that around,
unless you think we should be accessing the PHY within the switch
drivers by doing:

struct phy_device *phydev = ds->ports[port].netdev->phydev?

>
> Signed-off-by: Vivien Didelot <vivien.didelot@xxxxxxxxxxxxxxxxxxxx>
> ---
> drivers/net/dsa/b53/b53_common.c | 6 +++---
> drivers/net/dsa/b53/b53_priv.h | 4 ++--
> drivers/net/dsa/bcm_sf2.c | 16 +++++++---------
> drivers/net/dsa/lan9303-core.c | 6 ++----
> drivers/net/dsa/microchip/ksz_common.c | 6 ++----
> drivers/net/dsa/mt7530.c | 8 +++-----
> drivers/net/dsa/mv88e6xxx/chip.c | 6 ++----
> drivers/net/dsa/qca8k.c | 6 ++----
> include/net/dsa.h | 6 ++----
> net/dsa/slave.c | 4 ++--
> 10 files changed, 27 insertions(+), 41 deletions(-)
>
> diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c
> index d4ce092def83..e46eb29d29f0 100644
> --- a/drivers/net/dsa/b53/b53_common.c
> +++ b/drivers/net/dsa/b53/b53_common.c
> @@ -502,7 +502,7 @@ void b53_imp_vlan_setup(struct dsa_switch *ds, int cpu_port)
> }
> EXPORT_SYMBOL(b53_imp_vlan_setup);
>
> -int b53_enable_port(struct dsa_switch *ds, int port, struct phy_device *phy)
> +int b53_enable_port(struct dsa_switch *ds, int port)
> {
> struct b53_device *dev = ds->priv;
> unsigned int cpu_port = dev->cpu_port;
> @@ -531,7 +531,7 @@ int b53_enable_port(struct dsa_switch *ds, int port, struct phy_device *phy)
> }
> EXPORT_SYMBOL(b53_enable_port);
>
> -void b53_disable_port(struct dsa_switch *ds, int port, struct phy_device *phy)
> +void b53_disable_port(struct dsa_switch *ds, int port)
> {
> struct b53_device *dev = ds->priv;
> u8 reg;
> @@ -874,7 +874,7 @@ static int b53_setup(struct dsa_switch *ds)
> if (dsa_is_cpu_port(ds, port))
> b53_enable_cpu_port(dev, port);
> else if (!(BIT(port) & ds->enabled_port_mask))
> - b53_disable_port(ds, port, NULL);
> + b53_disable_port(ds, port);
> }
>
> return ret;
> diff --git a/drivers/net/dsa/b53/b53_priv.h b/drivers/net/dsa/b53/b53_priv.h
> index 603c66d240d8..688d02ee6155 100644
> --- a/drivers/net/dsa/b53/b53_priv.h
> +++ b/drivers/net/dsa/b53/b53_priv.h
> @@ -311,8 +311,8 @@ int b53_mirror_add(struct dsa_switch *ds, int port,
> struct dsa_mall_mirror_tc_entry *mirror, bool ingress);
> void b53_mirror_del(struct dsa_switch *ds, int port,
> struct dsa_mall_mirror_tc_entry *mirror);
> -int b53_enable_port(struct dsa_switch *ds, int port, struct phy_device *phy);
> -void b53_disable_port(struct dsa_switch *ds, int port, struct phy_device *phy);
> +int b53_enable_port(struct dsa_switch *ds, int port);
> +void b53_disable_port(struct dsa_switch *ds, int port);
> void b53_brcm_hdr_setup(struct dsa_switch *ds, int port);
> void b53_eee_enable_set(struct dsa_switch *ds, int port, bool enable);
> int b53_eee_init(struct dsa_switch *ds, int port, struct phy_device *phy);
> diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c
> index ad96b9725a2c..77e0c43f973b 100644
> --- a/drivers/net/dsa/bcm_sf2.c
> +++ b/drivers/net/dsa/bcm_sf2.c
> @@ -159,8 +159,7 @@ static inline void bcm_sf2_port_intr_disable(struct bcm_sf2_priv *priv,
> intrl2_1_writel(priv, P_IRQ_MASK(off), INTRL2_CPU_CLEAR);
> }
>
> -static int bcm_sf2_port_setup(struct dsa_switch *ds, int port,
> - struct phy_device *phy)
> +static int bcm_sf2_port_setup(struct dsa_switch *ds, int port)
> {
> struct bcm_sf2_priv *priv = bcm_sf2_to_priv(ds);
> unsigned int i;
> @@ -191,11 +190,10 @@ static int bcm_sf2_port_setup(struct dsa_switch *ds, int port,
> if (port == priv->moca_port)
> bcm_sf2_port_intr_enable(priv, port);
>
> - return b53_enable_port(ds, port, phy);
> + return b53_enable_port(ds, port);
> }
>
> -static void bcm_sf2_port_disable(struct dsa_switch *ds, int port,
> - struct phy_device *phy)
> +static void bcm_sf2_port_disable(struct dsa_switch *ds, int port)
> {
> struct bcm_sf2_priv *priv = bcm_sf2_to_priv(ds);
> u32 off, reg;
> @@ -214,7 +212,7 @@ static void bcm_sf2_port_disable(struct dsa_switch *ds, int port,
> else
> off = CORE_G_PCTL_PORT(port);
>
> - b53_disable_port(ds, port, phy);
> + b53_disable_port(ds, port);
>
> /* Power down the port memory */
> reg = core_readl(priv, CORE_MEM_PSM_VDD_CTRL);
> @@ -613,7 +611,7 @@ static int bcm_sf2_sw_suspend(struct dsa_switch *ds)
> for (port = 0; port < DSA_MAX_PORTS; port++) {
> if ((1 << port) & ds->enabled_port_mask ||
> dsa_is_cpu_port(ds, port))
> - bcm_sf2_port_disable(ds, port, NULL);
> + bcm_sf2_port_disable(ds, port);
> }
>
> return 0;
> @@ -636,7 +634,7 @@ static int bcm_sf2_sw_resume(struct dsa_switch *ds)
>
> for (port = 0; port < DSA_MAX_PORTS; port++) {
> if ((1 << port) & ds->enabled_port_mask)
> - bcm_sf2_port_setup(ds, port, NULL);
> + bcm_sf2_port_setup(ds, port);
> else if (dsa_is_cpu_port(ds, port))
> bcm_sf2_imp_setup(ds, port);
> }
> @@ -745,7 +743,7 @@ static int bcm_sf2_sw_setup(struct dsa_switch *ds)
> if (dsa_is_cpu_port(ds, port))
> bcm_sf2_imp_setup(ds, port);
> else if (!((1 << port) & ds->enabled_port_mask))
> - bcm_sf2_port_disable(ds, port, NULL);
> + bcm_sf2_port_disable(ds, port);
> }
>
> bcm_sf2_sw_configure_vlan(ds);
> diff --git a/drivers/net/dsa/lan9303-core.c b/drivers/net/dsa/lan9303-core.c
> index 07355db2ad81..0c33b02562dc 100644
> --- a/drivers/net/dsa/lan9303-core.c
> +++ b/drivers/net/dsa/lan9303-core.c
> @@ -799,8 +799,7 @@ static void lan9303_adjust_link(struct dsa_switch *ds, int port,
> }
> }
>
> -static int lan9303_port_enable(struct dsa_switch *ds, int port,
> - struct phy_device *phy)
> +static int lan9303_port_enable(struct dsa_switch *ds, int port)
> {
> struct lan9303 *chip = ds->priv;
>
> @@ -817,8 +816,7 @@ static int lan9303_port_enable(struct dsa_switch *ds, int port,
> return -ENODEV;
> }
>
> -static void lan9303_port_disable(struct dsa_switch *ds, int port,
> - struct phy_device *phy)
> +static void lan9303_port_disable(struct dsa_switch *ds, int port)
> {
> struct lan9303 *chip = ds->priv;
>
> diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c
> index 56cd6d365352..4095c50ae111 100644
> --- a/drivers/net/dsa/microchip/ksz_common.c
> +++ b/drivers/net/dsa/microchip/ksz_common.c
> @@ -418,8 +418,7 @@ static int ksz_phy_write16(struct dsa_switch *ds, int addr, int reg, u16 val)
> return 0;
> }
>
> -static int ksz_enable_port(struct dsa_switch *ds, int port,
> - struct phy_device *phy)
> +static int ksz_enable_port(struct dsa_switch *ds, int port)
> {
> struct ksz_device *dev = ds->priv;
>
> @@ -429,8 +428,7 @@ static int ksz_enable_port(struct dsa_switch *ds, int port,
> return 0;
> }
>
> -static void ksz_disable_port(struct dsa_switch *ds, int port,
> - struct phy_device *phy)
> +static void ksz_disable_port(struct dsa_switch *ds, int port)
> {
> struct ksz_device *dev = ds->priv;
>
> diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
> index faa3b88d2206..0a7f6209767f 100644
> --- a/drivers/net/dsa/mt7530.c
> +++ b/drivers/net/dsa/mt7530.c
> @@ -693,8 +693,7 @@ mt7530_cpu_port_enable(struct mt7530_priv *priv,
> }
>
> static int
> -mt7530_port_enable(struct dsa_switch *ds, int port,
> - struct phy_device *phy)
> +mt7530_port_enable(struct dsa_switch *ds, int port)
> {
> struct mt7530_priv *priv = ds->priv;
>
> @@ -719,8 +718,7 @@ mt7530_port_enable(struct dsa_switch *ds, int port,
> }
>
> static void
> -mt7530_port_disable(struct dsa_switch *ds, int port,
> - struct phy_device *phy)
> +mt7530_port_disable(struct dsa_switch *ds, int port)
> {
> struct mt7530_priv *priv = ds->priv;
>
> @@ -1006,7 +1004,7 @@ mt7530_setup(struct dsa_switch *ds)
> if (dsa_is_cpu_port(ds, i))
> mt7530_cpu_port_enable(priv, i);
> else
> - mt7530_port_disable(ds, i, NULL);
> + mt7530_port_disable(ds, i);
> }
>
> /* Flush the FDB table */
> diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
> index c6678aa9b4ef..e47898fb7dbc 100644
> --- a/drivers/net/dsa/mv88e6xxx/chip.c
> +++ b/drivers/net/dsa/mv88e6xxx/chip.c
> @@ -1862,8 +1862,7 @@ static int mv88e6xxx_setup_port(struct mv88e6xxx_chip *chip, int port)
> return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_DEFAULT_VLAN, 0);
> }
>
> -static int mv88e6xxx_port_enable(struct dsa_switch *ds, int port,
> - struct phy_device *phydev)
> +static int mv88e6xxx_port_enable(struct dsa_switch *ds, int port)
> {
> struct mv88e6xxx_chip *chip = ds->priv;
> int err;
> @@ -1875,8 +1874,7 @@ static int mv88e6xxx_port_enable(struct dsa_switch *ds, int port,
> return err;
> }
>
> -static void mv88e6xxx_port_disable(struct dsa_switch *ds, int port,
> - struct phy_device *phydev)
> +static void mv88e6xxx_port_disable(struct dsa_switch *ds, int port)
> {
> struct mv88e6xxx_chip *chip = ds->priv;
>
> diff --git a/drivers/net/dsa/qca8k.c b/drivers/net/dsa/qca8k.c
> index 82f09711ac1a..622ee9b8e72b 100644
> --- a/drivers/net/dsa/qca8k.c
> +++ b/drivers/net/dsa/qca8k.c
> @@ -743,8 +743,7 @@ qca8k_port_bridge_leave(struct dsa_switch *ds, int port, struct net_device *br)
> }
>
> static int
> -qca8k_port_enable(struct dsa_switch *ds, int port,
> - struct phy_device *phy)
> +qca8k_port_enable(struct dsa_switch *ds, int port)
> {
> struct qca8k_priv *priv = (struct qca8k_priv *)ds->priv;
>
> @@ -755,8 +754,7 @@ qca8k_port_enable(struct dsa_switch *ds, int port,
> }
>
> static void
> -qca8k_port_disable(struct dsa_switch *ds, int port,
> - struct phy_device *phy)
> +qca8k_port_disable(struct dsa_switch *ds, int port)
> {
> struct qca8k_priv *priv = (struct qca8k_priv *)ds->priv;
>
> diff --git a/include/net/dsa.h b/include/net/dsa.h
> index 8dee216a5a9b..65b031a69c19 100644
> --- a/include/net/dsa.h
> +++ b/include/net/dsa.h
> @@ -337,10 +337,8 @@ struct dsa_switch_ops {
> /*
> * Port enable/disable
> */
> - int (*port_enable)(struct dsa_switch *ds, int port,
> - struct phy_device *phy);
> - void (*port_disable)(struct dsa_switch *ds, int port,
> - struct phy_device *phy);
> + int (*port_enable)(struct dsa_switch *ds, int port);
> + void (*port_disable)(struct dsa_switch *ds, int port);
>
> /*
> * Port's MAC EEE settings
> diff --git a/net/dsa/slave.c b/net/dsa/slave.c
> index 606812160fd5..6290741e496a 100644
> --- a/net/dsa/slave.c
> +++ b/net/dsa/slave.c
> @@ -100,7 +100,7 @@ static int dsa_slave_open(struct net_device *dev)
> }
>
> if (ds->ops->port_enable) {
> - err = ds->ops->port_enable(ds, p->dp->index, p->phy);
> + err = ds->ops->port_enable(ds, p->dp->index);
> if (err)
> goto clear_promisc;
> }
> @@ -155,7 +155,7 @@ static int dsa_slave_close(struct net_device *dev)
> dev_uc_del(master, dev->dev_addr);
>
> if (ds->ops->port_disable)
> - ds->ops->port_disable(ds, p->dp->index, p->phy);
> + ds->ops->port_disable(ds, p->dp->index);
>
> dsa_port_set_state_now(p->dp, BR_STATE_DISABLED);
>
>

--
Florian

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