linux-kernel - [RFC PATCH v2 net-next 4/8] net: dsa: ocelot: felix: add interface for custom regmaps

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Message-Id: <20210710192602.2186370-5-colin.foster@in-advantage.com>
Date:   Sat, 10 Jul 2021 12:25:58 -0700
From:   Colin Foster <colin.foster@...advantage.com>
To:     andrew@...n.ch, vivien.didelot@...il.com, f.fainelli@...il.com,
        olteanv@...il.com, davem@...emloft.net, kuba@...nel.org,
        robh+dt@...nel.org, claudiu.manoil@....com,
        alexandre.belloni@...tlin.com, UNGLinuxDriver@...rochip.com,
        linux@...linux.org.uk
Cc:     netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [RFC PATCH v2 net-next 4/8] net: dsa: ocelot: felix: add interface for custom regmaps

Add an interface so that non-mmio regmaps can be used

Signed-off-by: Colin Foster <colin.foster@...advantage.com>
---
 drivers/net/dsa/ocelot/felix.c           | 4 ++--
 drivers/net/dsa/ocelot/felix.h           | 2 ++
 drivers/net/dsa/ocelot/felix_vsc9959.c   | 1 +
 drivers/net/dsa/ocelot/seville_vsc9953.c | 1 +
 4 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/net/dsa/ocelot/felix.c b/drivers/net/dsa/ocelot/felix.c
index 74ae322b2126..77644deb4a35 100644
--- a/drivers/net/dsa/ocelot/felix.c
+++ b/drivers/net/dsa/ocelot/felix.c
@@ -1124,7 +1124,7 @@ static int felix_init_structs(struct felix *felix, int num_phys_ports)
 		res.start += felix->switch_base;
 		res.end += felix->switch_base;
 
-		target = ocelot_regmap_init(ocelot, &res);
+		target = felix->info->init_regmap(ocelot, &res);
 		if (IS_ERR(target)) {
 			dev_err(ocelot->dev,
 				"Failed to map device memory space\n");
@@ -1161,7 +1161,7 @@ static int felix_init_structs(struct felix *felix, int num_phys_ports)
 		res.start += felix->switch_base;
 		res.end += felix->switch_base;
 
-		target = ocelot_regmap_init(ocelot, &res);
+		target = felix->info->init_regmap(ocelot, &res);
 		if (IS_ERR(target)) {
 			dev_err(ocelot->dev,
 				"Failed to map memory space for port %d\n",
diff --git a/drivers/net/dsa/ocelot/felix.h b/drivers/net/dsa/ocelot/felix.h
index 47769dd386db..25f664ef4947 100644
--- a/drivers/net/dsa/ocelot/felix.h
+++ b/drivers/net/dsa/ocelot/felix.h
@@ -45,6 +45,8 @@ struct felix_info {
 				 enum tc_setup_type type, void *type_data);
 	void	(*port_sched_speed_set)(struct ocelot *ocelot, int port,
 					u32 speed);
+	struct regmap *(*init_regmap)(struct ocelot *ocelot,
+				      struct resource *res);
 };
 
 extern const struct dsa_switch_ops felix_switch_ops;
diff --git a/drivers/net/dsa/ocelot/felix_vsc9959.c b/drivers/net/dsa/ocelot/felix_vsc9959.c
index 182ca749c8e2..31712a77f4b4 100644
--- a/drivers/net/dsa/ocelot/felix_vsc9959.c
+++ b/drivers/net/dsa/ocelot/felix_vsc9959.c
@@ -1367,6 +1367,7 @@ static const struct felix_info felix_info_vsc9959 = {
 	.prevalidate_phy_mode	= vsc9959_prevalidate_phy_mode,
 	.port_setup_tc		= vsc9959_port_setup_tc,
 	.port_sched_speed_set	= vsc9959_sched_speed_set,
+	.init_regmap		= ocelot_regmap_init,
 };
 
 static irqreturn_t felix_irq_handler(int irq, void *data)
diff --git a/drivers/net/dsa/ocelot/seville_vsc9953.c b/drivers/net/dsa/ocelot/seville_vsc9953.c
index 0e06750db264..540cf5bc9c54 100644
--- a/drivers/net/dsa/ocelot/seville_vsc9953.c
+++ b/drivers/net/dsa/ocelot/seville_vsc9953.c
@@ -1089,6 +1089,7 @@ static const struct felix_info seville_info_vsc9953 = {
 	.mdio_bus_free		= vsc9953_mdio_bus_free,
 	.phylink_validate	= vsc9953_phylink_validate,
 	.prevalidate_phy_mode	= vsc9953_prevalidate_phy_mode,
+	.init_regmap		= ocelot_regmap_init,
 };
 
 static int seville_probe(struct platform_device *pdev)
-- 
2.25.1