diff options
Diffstat (limited to 'target/linux/generic/backport-5.15/771-v6.0-14-net-dsa-qca8k-move-read_switch_id-function-to-common.patch')
| -rw-r--r-- | target/linux/generic/backport-5.15/771-v6.0-14-net-dsa-qca8k-move-read_switch_id-function-to-common.patch | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.15/771-v6.0-14-net-dsa-qca8k-move-read_switch_id-function-to-common.patch b/target/linux/generic/backport-5.15/771-v6.0-14-net-dsa-qca8k-move-read_switch_id-function-to-common.patch new file mode 100644 index 0000000000..d6ec8b77e0 --- /dev/null +++ b/target/linux/generic/backport-5.15/771-v6.0-14-net-dsa-qca8k-move-read_switch_id-function-to-common.patch @@ -0,0 +1,102 @@ +From 9d1bcb1f293f1391302a109c9819c3705c804700 Mon Sep 17 00:00:00 2001 +From: Christian Marangi <ansuelsmth@gmail.com> +Date: Wed, 27 Jul 2022 13:35:23 +0200 +Subject: [PATCH 14/14] net: dsa: qca8k: move read_switch_id function to common + code + +The same function to read the switch id is used by drivers based on +qca8k family switch. Move them to common code to make them accessible +also by other drivers. + +Signed-off-by: Christian Marangi <ansuelsmth@gmail.com> +Reviewed-by: Vladimir Oltean <olteanv@gmail.com> +Signed-off-by: Jakub Kicinski <kuba@kernel.org> +--- + drivers/net/dsa/qca/qca8k-8xxx.c | 29 ----------------------------- + drivers/net/dsa/qca/qca8k-common.c | 29 +++++++++++++++++++++++++++++ + drivers/net/dsa/qca/qca8k.h | 1 + + 3 files changed, 30 insertions(+), 29 deletions(-) + +--- a/drivers/net/dsa/qca/qca8k-8xxx.c ++++ b/drivers/net/dsa/qca/qca8k-8xxx.c +@@ -1822,35 +1822,6 @@ static const struct dsa_switch_ops qca8k + .connect_tag_protocol = qca8k_connect_tag_protocol, + }; + +-static int qca8k_read_switch_id(struct qca8k_priv *priv) +-{ +- u32 val; +- u8 id; +- int ret; +- +- if (!priv->info) +- return -ENODEV; +- +- ret = qca8k_read(priv, QCA8K_REG_MASK_CTRL, &val); +- if (ret < 0) +- return -ENODEV; +- +- id = QCA8K_MASK_CTRL_DEVICE_ID(val); +- if (id != priv->info->id) { +- dev_err(priv->dev, +- "Switch id detected %x but expected %x", +- id, priv->info->id); +- return -ENODEV; +- } +- +- priv->switch_id = id; +- +- /* Save revision to communicate to the internal PHY driver */ +- priv->switch_revision = QCA8K_MASK_CTRL_REV_ID(val); +- +- return 0; +-} +- + static int + qca8k_sw_probe(struct mdio_device *mdiodev) + { +--- a/drivers/net/dsa/qca/qca8k-common.c ++++ b/drivers/net/dsa/qca/qca8k-common.c +@@ -1175,3 +1175,32 @@ int qca8k_port_lag_leave(struct dsa_swit + { + return qca8k_lag_refresh_portmap(ds, port, lag, true); + } ++ ++int qca8k_read_switch_id(struct qca8k_priv *priv) ++{ ++ u32 val; ++ u8 id; ++ int ret; ++ ++ if (!priv->info) ++ return -ENODEV; ++ ++ ret = qca8k_read(priv, QCA8K_REG_MASK_CTRL, &val); ++ if (ret < 0) ++ return -ENODEV; ++ ++ id = QCA8K_MASK_CTRL_DEVICE_ID(val); ++ if (id != priv->info->id) { ++ dev_err(priv->dev, ++ "Switch id detected %x but expected %x", ++ id, priv->info->id); ++ return -ENODEV; ++ } ++ ++ priv->switch_id = id; ++ ++ /* Save revision to communicate to the internal PHY driver */ ++ priv->switch_revision = QCA8K_MASK_CTRL_REV_ID(val); ++ ++ return 0; ++} +--- a/drivers/net/dsa/qca/qca8k.h ++++ b/drivers/net/dsa/qca/qca8k.h +@@ -424,6 +424,7 @@ extern const struct qca8k_mib_desc ar832 + extern const struct regmap_access_table qca8k_readable_table; + int qca8k_mib_init(struct qca8k_priv *priv); + void qca8k_port_set_status(struct qca8k_priv *priv, int port, int enable); ++int qca8k_read_switch_id(struct qca8k_priv *priv); + + /* Common read/write/rmw function */ + int qca8k_read(struct qca8k_priv *priv, u32 reg, u32 *val); |