[RFC PATCH v3 net-next 08/10] net: mscc: ocelot: felix: add ability to enable a CPU / NPI port
From: Colin Foster <colin.foster@in-advantage.com>
Date: 2021-08-14 02:51:08
Also in:
linux-devicetree, lkml
Subsystem:
networking drivers, networking [dsa], ocelot ethernet switch driver, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Andrew Lunn, Vladimir Oltean, Vladimir Oltean, Linus Torvalds
For the vsc7512 ocelot SPI driver, the CPU interface port needs to be enabled, but can't be enabled via ocelot_adjust_link since it doesn't have a phylink. This adds a hook so the port can be manually enabled. Signed-off-by: Colin Foster <colin.foster@in-advantage.com> --- drivers/net/dsa/ocelot/felix.c | 5 +++++ drivers/net/dsa/ocelot/felix.h | 1 + 2 files changed, 6 insertions(+)
diff --git a/drivers/net/dsa/ocelot/felix.c b/drivers/net/dsa/ocelot/felix.c
index 77644deb4a35..33c0c7bc3e58 100644
--- a/drivers/net/dsa/ocelot/felix.c
+++ b/drivers/net/dsa/ocelot/felix.c@@ -492,8 +492,13 @@ static void felix_teardown_tag_8021q(struct dsa_switch *ds, int cpu) */ static void felix_npi_port_init(struct ocelot *ocelot, int port) { + struct felix *felix = ocelot_to_felix(ocelot); + ocelot->npi = port; + if (felix->info->enable_npi_port) + felix->info->enable_npi_port(ocelot); + ocelot_write(ocelot, QSYS_EXT_CPU_CFG_EXT_CPUQ_MSK_M | QSYS_EXT_CPU_CFG_EXT_CPU_PORT(port), QSYS_EXT_CPU_CFG);
diff --git a/drivers/net/dsa/ocelot/felix.h b/drivers/net/dsa/ocelot/felix.h
index 25f664ef4947..c872705115bc 100644
--- a/drivers/net/dsa/ocelot/felix.h
+++ b/drivers/net/dsa/ocelot/felix.h@@ -47,6 +47,7 @@ struct felix_info { u32 speed); struct regmap *(*init_regmap)(struct ocelot *ocelot, struct resource *res); + void (*enable_npi_port)(struct ocelot *ocelot); }; extern const struct dsa_switch_ops felix_switch_ops;
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2.25.1