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Thu, 08 Feb 2024 21:05:04 -0800 (PST) From: Luiz Angelo Daros de Luca Date: Fri, 09 Feb 2024 02:03:47 -0300 Subject: [PATCH net-next v6 11/11] net: dsa: realtek: embed dsa_switch into realtek_priv Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240209-realtek_reverse-v6-11-0662f8cbc7b5@gmail.com> References: <20240209-realtek_reverse-v6-0-0662f8cbc7b5@gmail.com> In-Reply-To: <20240209-realtek_reverse-v6-0-0662f8cbc7b5@gmail.com> To: Linus Walleij , =?utf-8?q?Alvin_=C5=A0ipraga?= , Andrew Lunn , Florian Fainelli , Vladimir Oltean , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Russell King Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Luiz Angelo Daros de Luca X-Mailer: b4 0.12.4 X-Developer-Signature: v=1; a=openpgp-sha256; l=6289; i=luizluca@gmail.com; h=from:subject:message-id; bh=6WfbnARrC7IV5PUO40jgepRv0kdAsJzb6hqNXDQ8scU=; b=owEBbQGS/pANAwAIAbsR27rRBztWAcsmYgBlxbJMZoIJ4ZBc9ikZISEHiqb3dIJgALj/aZRGq /P0cy6DeJyJATMEAAEIAB0WIQQRByhHhc1bOhL6L/i7Edu60Qc7VgUCZcWyTAAKCRC7Edu60Qc7 VoRDB/0Xcsx+e+naa4CukK12XlsjibXx8lEY0e0aiTmvA/zv6ap6radNgDPIfBTIkoDTpNciYv3 RIkh4/cIpLLBZVIbXE5q30r6Czvr/xUf4wMgfT2gP0AIe0Fkiq2KMyc9ce3gfE/R8RkgbR0CDep P6pemPRD3eB2l6SEvt/wb17asXIY/91PJTWJwl3i2WneU/3FBB3eBOvbpjjcCoi/8Bwz0NT/CZ6 xl13/t8a0VMrBdh9GbYMpIvc+4AaY68ItcxUCTK594+JwL6VrE6CLKguoDNTu5osSaZ5bntDyH+ msjPJDRpJRjJ8NohFq17i3l26aHIAym1kE8CaOBBWD8qgqb+ X-Developer-Key: i=luizluca@gmail.com; a=openpgp; fpr=1107284785CD5B3A12FA2FF8BB11DBBAD1073B56 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1790396652090520704 X-GMAIL-MSGID: 1790396652090520704 Embed dsa_switch within realtek_priv to eliminate the need for a second memory allocation. Suggested-by: Alvin Šipraga Signed-off-by: Luiz Angelo Daros de Luca Reviewed-by: Vladimir Oltean Reviewed-by: Linus Walleij --- drivers/net/dsa/realtek/realtek.h | 2 +- drivers/net/dsa/realtek/rtl8365mb.c | 15 +++++++++------ drivers/net/dsa/realtek/rtl8366rb.c | 3 ++- drivers/net/dsa/realtek/rtl83xx.c | 15 +++++++-------- 4 files changed, 19 insertions(+), 16 deletions(-) diff --git a/drivers/net/dsa/realtek/realtek.h b/drivers/net/dsa/realtek/realtek.h index 864bb9a88f14..b80bfde1ad04 100644 --- a/drivers/net/dsa/realtek/realtek.h +++ b/drivers/net/dsa/realtek/realtek.h @@ -61,7 +61,7 @@ struct realtek_priv { const struct realtek_variant *variant; spinlock_t lock; /* Locks around command writes */ - struct dsa_switch *ds; + struct dsa_switch ds; struct irq_domain *irqdomain; bool leds_disabled; diff --git a/drivers/net/dsa/realtek/rtl8365mb.c b/drivers/net/dsa/realtek/rtl8365mb.c index 778a962727ab..be56373e9473 100644 --- a/drivers/net/dsa/realtek/rtl8365mb.c +++ b/drivers/net/dsa/realtek/rtl8365mb.c @@ -870,6 +870,7 @@ static int rtl8365mb_ext_config_rgmii(struct realtek_priv *priv, int port, { const struct rtl8365mb_extint *extint = rtl8365mb_get_port_extint(priv, port); + struct dsa_switch *ds = &priv->ds; struct device_node *dn; struct dsa_port *dp; int tx_delay = 0; @@ -880,7 +881,7 @@ static int rtl8365mb_ext_config_rgmii(struct realtek_priv *priv, int port, if (!extint) return -ENODEV; - dp = dsa_to_port(priv->ds, port); + dp = dsa_to_port(ds, port); dn = dp->dn; /* Set the RGMII TX/RX delay @@ -1533,6 +1534,7 @@ static void rtl8365mb_get_stats64(struct dsa_switch *ds, int port, static void rtl8365mb_stats_setup(struct realtek_priv *priv) { struct rtl8365mb *mb = priv->chip_data; + struct dsa_switch *ds = &priv->ds; int i; /* Per-chip global mutex to protect MIB counter access, since doing @@ -1543,7 +1545,7 @@ static void rtl8365mb_stats_setup(struct realtek_priv *priv) for (i = 0; i < priv->num_ports; i++) { struct rtl8365mb_port *p = &mb->ports[i]; - if (dsa_is_unused_port(priv->ds, i)) + if (dsa_is_unused_port(ds, i)) continue; /* Per-port spinlock to protect the stats64 data */ @@ -1559,12 +1561,13 @@ static void rtl8365mb_stats_setup(struct realtek_priv *priv) static void rtl8365mb_stats_teardown(struct realtek_priv *priv) { struct rtl8365mb *mb = priv->chip_data; + struct dsa_switch *ds = &priv->ds; int i; for (i = 0; i < priv->num_ports; i++) { struct rtl8365mb_port *p = &mb->ports[i]; - if (dsa_is_unused_port(priv->ds, i)) + if (dsa_is_unused_port(ds, i)) continue; cancel_delayed_work_sync(&p->mib_work); @@ -1963,7 +1966,7 @@ static int rtl8365mb_setup(struct dsa_switch *ds) dev_info(priv->dev, "no interrupt support\n"); /* Configure CPU tagging */ - dsa_switch_for_each_cpu_port(cpu_dp, priv->ds) { + dsa_switch_for_each_cpu_port(cpu_dp, ds) { cpu->mask |= BIT(cpu_dp->index); if (cpu->trap_port == RTL8365MB_MAX_NUM_PORTS) @@ -1978,7 +1981,7 @@ static int rtl8365mb_setup(struct dsa_switch *ds) for (i = 0; i < priv->num_ports; i++) { struct rtl8365mb_port *p = &mb->ports[i]; - if (dsa_is_unused_port(priv->ds, i)) + if (dsa_is_unused_port(ds, i)) continue; /* Forward only to the CPU */ @@ -1995,7 +1998,7 @@ static int rtl8365mb_setup(struct dsa_switch *ds) * ports will still forward frames to the CPU despite being * administratively down by default. */ - rtl8365mb_port_stp_state_set(priv->ds, i, BR_STATE_DISABLED); + rtl8365mb_port_stp_state_set(ds, i, BR_STATE_DISABLED); /* Set up per-port private data */ p->priv = priv; diff --git a/drivers/net/dsa/realtek/rtl8366rb.c b/drivers/net/dsa/realtek/rtl8366rb.c index 54eff9cd0c03..e10ae94cf771 100644 --- a/drivers/net/dsa/realtek/rtl8366rb.c +++ b/drivers/net/dsa/realtek/rtl8366rb.c @@ -1651,6 +1651,7 @@ static int rtl8366rb_get_mc_index(struct realtek_priv *priv, int port, int *val) static int rtl8366rb_set_mc_index(struct realtek_priv *priv, int port, int index) { + struct dsa_switch *ds = &priv->ds; struct rtl8366rb *rb; bool pvid_enabled; int ret; @@ -1675,7 +1676,7 @@ static int rtl8366rb_set_mc_index(struct realtek_priv *priv, int port, int index * not drop any untagged or C-tagged frames. Make sure to update the * filtering setting. */ - if (dsa_port_is_vlan_filtering(dsa_to_port(priv->ds, port))) + if (dsa_port_is_vlan_filtering(dsa_to_port(ds, port))) ret = rtl8366rb_drop_untagged(priv, port, !pvid_enabled); return ret; diff --git a/drivers/net/dsa/realtek/rtl83xx.c b/drivers/net/dsa/realtek/rtl83xx.c index 80f2c38ae55a..801873754df2 100644 --- a/drivers/net/dsa/realtek/rtl83xx.c +++ b/drivers/net/dsa/realtek/rtl83xx.c @@ -217,7 +217,7 @@ EXPORT_SYMBOL_NS_GPL(rtl83xx_probe, REALTEK_DSA); */ int rtl83xx_register_switch(struct realtek_priv *priv) { - struct dsa_switch *ds; + struct dsa_switch *ds = &priv->ds; int ret; ret = priv->ops->detect(priv); @@ -226,15 +226,10 @@ int rtl83xx_register_switch(struct realtek_priv *priv) return ret; } - ds = devm_kzalloc(priv->dev, sizeof(*ds), GFP_KERNEL); - if (!ds) - return -ENOMEM; - ds->priv = priv; ds->dev = priv->dev; ds->ops = priv->variant->ds_ops; ds->num_ports = priv->num_ports; - priv->ds = ds; ret = dsa_register_switch(ds); if (ret) { @@ -257,7 +252,9 @@ EXPORT_SYMBOL_NS_GPL(rtl83xx_register_switch, REALTEK_DSA); */ void rtl83xx_unregister_switch(struct realtek_priv *priv) { - dsa_unregister_switch(priv->ds); + struct dsa_switch *ds = &priv->ds; + + dsa_unregister_switch(ds); } EXPORT_SYMBOL_NS_GPL(rtl83xx_unregister_switch, REALTEK_DSA); @@ -274,7 +271,9 @@ EXPORT_SYMBOL_NS_GPL(rtl83xx_unregister_switch, REALTEK_DSA); */ void rtl83xx_shutdown(struct realtek_priv *priv) { - dsa_switch_shutdown(priv->ds); + struct dsa_switch *ds = &priv->ds; + + dsa_switch_shutdown(ds); dev_set_drvdata(priv->dev, NULL); }