[RFC PATCH v3 net-next 08/10] net: mscc: ocelot: felix: add ability to enable a CPU / NPI port
flat view
STALE1895d
SUPERSEDED
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
Status: Superseded by v5 (posted 2021-12-18). [go to v5]
Revision v3 (3 revisions archived).
Revisions (3)
- v3 current
- v4 [diff against previous]
- v5 [diff against previous]
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;
--
2.25.1