linux-kernel - [RFC v4 net-next 07/17] net: dsa: felix: add configurable device quirks

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Date:   Sat,  8 Oct 2022 11:51:42 -0700
From:   Colin Foster <colin.foster@...advantage.com>
To:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Cc:     Russell King <linux@...linux.org.uk>, UNGLinuxDriver@...rochip.com,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Claudiu Manoil <claudiu.manoil@....com>,
        Paolo Abeni <pabeni@...hat.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Eric Dumazet <edumazet@...gle.com>,
        "David S. Miller" <davem@...emloft.net>,
        Vladimir Oltean <olteanv@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Andrew Lunn <andrew@...n.ch>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Rob Herring <robh+dt@...nel.org>, Lee Jones <lee@...nel.org>,
        Vladimir Oltean <vladimir.oltean@....com>
Subject: [RFC v4 net-next 07/17] net: dsa: felix: add configurable device quirks

The define FELIX_MAC_QUIRKS was used directly in the felix.c shared driver.
Other devices (VSC7512 for example) don't require the same quirks, so they
need to be configured on a per-device basis.

Signed-off-by: Colin Foster <colin.foster@...advantage.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@....com>
---

v2-v4
    * No changes

v1 from previous RFC:
    * No changes

---
 drivers/net/dsa/ocelot/felix.c           | 7 +++++--
 drivers/net/dsa/ocelot/felix.h           | 1 +
 drivers/net/dsa/ocelot/felix_vsc9959.c   | 1 +
 drivers/net/dsa/ocelot/seville_vsc9953.c | 1 +
 4 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/net/dsa/ocelot/felix.c b/drivers/net/dsa/ocelot/felix.c
index dd3a18cc89dd..d56f6f67f648 100644
--- a/drivers/net/dsa/ocelot/felix.c
+++ b/drivers/net/dsa/ocelot/felix.c
@@ -1082,9 +1082,12 @@ static void felix_phylink_mac_link_down(struct dsa_switch *ds, int port,
 					phy_interface_t interface)
 {
 	struct ocelot *ocelot = ds->priv;
+	struct felix *felix;
+
+	felix = ocelot_to_felix(ocelot);
 
 	ocelot_phylink_mac_link_down(ocelot, port, link_an_mode, interface,
-				     FELIX_MAC_QUIRKS);
+				     felix->info->quirks);
 }
 
 static void felix_phylink_mac_link_up(struct dsa_switch *ds, int port,
@@ -1099,7 +1102,7 @@ static void felix_phylink_mac_link_up(struct dsa_switch *ds, int port,
 
 	ocelot_phylink_mac_link_up(ocelot, port, phydev, link_an_mode,
 				   interface, speed, duplex, tx_pause, rx_pause,
-				   FELIX_MAC_QUIRKS);
+				   felix->info->quirks);
 
 	if (felix->info->port_sched_speed_set)
 		felix->info->port_sched_speed_set(ocelot, port, speed);
diff --git a/drivers/net/dsa/ocelot/felix.h b/drivers/net/dsa/ocelot/felix.h
index c9c29999c336..e6b7021036c2 100644
--- a/drivers/net/dsa/ocelot/felix.h
+++ b/drivers/net/dsa/ocelot/felix.h
@@ -37,6 +37,7 @@ struct felix_info {
 	u16				vcap_pol_base2;
 	u16				vcap_pol_max2;
 	const struct ptp_clock_info	*ptp_caps;
+	unsigned long			quirks;
 
 	/* Some Ocelot switches are integrated into the SoC without the
 	 * extraction IRQ line connected to the ARM GIC. By enabling this
diff --git a/drivers/net/dsa/ocelot/felix_vsc9959.c b/drivers/net/dsa/ocelot/felix_vsc9959.c
index 26a35ae322d1..8999c523c0be 100644
--- a/drivers/net/dsa/ocelot/felix_vsc9959.c
+++ b/drivers/net/dsa/ocelot/felix_vsc9959.c
@@ -2584,6 +2584,7 @@ static const struct felix_info felix_info_vsc9959 = {
 	.num_mact_rows		= 2048,
 	.num_ports		= VSC9959_NUM_PORTS,
 	.num_tx_queues		= OCELOT_NUM_TC,
+	.quirks			= FELIX_MAC_QUIRKS,
 	.quirk_no_xtr_irq	= true,
 	.ptp_caps		= &vsc9959_ptp_caps,
 	.mdio_bus_alloc		= vsc9959_mdio_bus_alloc,
diff --git a/drivers/net/dsa/ocelot/seville_vsc9953.c b/drivers/net/dsa/ocelot/seville_vsc9953.c
index 7af33b2c685d..3e2f988b2b40 100644
--- a/drivers/net/dsa/ocelot/seville_vsc9953.c
+++ b/drivers/net/dsa/ocelot/seville_vsc9953.c
@@ -1002,6 +1002,7 @@ static const struct felix_info seville_info_vsc9953 = {
 	.vcap_pol_max		= VSC9953_VCAP_POLICER_MAX,
 	.vcap_pol_base2		= VSC9953_VCAP_POLICER_BASE2,
 	.vcap_pol_max2		= VSC9953_VCAP_POLICER_MAX2,
+	.quirks			= FELIX_MAC_QUIRKS,
 	.num_mact_rows		= 2048,
 	.num_ports		= VSC9953_NUM_PORTS,
 	.num_tx_queues		= OCELOT_NUM_TC,
-- 
2.25.1