diff options
Diffstat (limited to 'target/linux/generic/backport-5.15/771-v6.0-06-net-dsa-qca8k-move-mib-init-function-to-common-code.patch')
| -rw-r--r-- | target/linux/generic/backport-5.15/771-v6.0-06-net-dsa-qca8k-move-mib-init-function-to-common-code.patch | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.15/771-v6.0-06-net-dsa-qca8k-move-mib-init-function-to-common-code.patch b/target/linux/generic/backport-5.15/771-v6.0-06-net-dsa-qca8k-move-mib-init-function-to-common-code.patch new file mode 100644 index 0000000000..a39a55b89b --- /dev/null +++ b/target/linux/generic/backport-5.15/771-v6.0-06-net-dsa-qca8k-move-mib-init-function-to-common-code.patch @@ -0,0 +1,137 @@ +From fce1ec0c4e2d03d9c62ffc615a42bdba78eb4c14 Mon Sep 17 00:00:00 2001 +From: Christian Marangi <ansuelsmth@gmail.com> +Date: Wed, 27 Jul 2022 13:35:15 +0200 +Subject: [PATCH 06/14] net: dsa: qca8k: move mib init function to common code + +The same mib function is used by drivers based on qca8k family switch. +Move it to common code to make it 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 | 37 ------------------------------ + drivers/net/dsa/qca/qca8k-common.c | 35 ++++++++++++++++++++++++++++ + drivers/net/dsa/qca/qca8k.h | 4 ++++ + 3 files changed, 39 insertions(+), 37 deletions(-) + +--- a/drivers/net/dsa/qca/qca8k-8xxx.c ++++ b/drivers/net/dsa/qca/qca8k-8xxx.c +@@ -442,15 +442,6 @@ static struct regmap_config qca8k_regmap + }; + + static int +-qca8k_busy_wait(struct qca8k_priv *priv, u32 reg, u32 mask) +-{ +- u32 val; +- +- return regmap_read_poll_timeout(priv->regmap, reg, val, !(val & mask), 0, +- QCA8K_BUSY_WAIT_TIMEOUT * USEC_PER_MSEC); +-} +- +-static int + qca8k_fdb_read(struct qca8k_priv *priv, struct qca8k_fdb *fdb) + { + u32 reg[3]; +@@ -777,34 +768,6 @@ out: + return ret; + } + +-static int +-qca8k_mib_init(struct qca8k_priv *priv) +-{ +- int ret; +- +- mutex_lock(&priv->reg_mutex); +- ret = regmap_update_bits(priv->regmap, QCA8K_REG_MIB, +- QCA8K_MIB_FUNC | QCA8K_MIB_BUSY, +- FIELD_PREP(QCA8K_MIB_FUNC, QCA8K_MIB_FLUSH) | +- QCA8K_MIB_BUSY); +- if (ret) +- goto exit; +- +- ret = qca8k_busy_wait(priv, QCA8K_REG_MIB, QCA8K_MIB_BUSY); +- if (ret) +- goto exit; +- +- ret = regmap_set_bits(priv->regmap, QCA8K_REG_MIB, QCA8K_MIB_CPU_KEEP); +- if (ret) +- goto exit; +- +- ret = qca8k_write(priv, QCA8K_REG_MODULE_EN, QCA8K_MODULE_EN_MIB); +- +-exit: +- mutex_unlock(&priv->reg_mutex); +- return ret; +-} +- + static void + qca8k_port_set_status(struct qca8k_priv *priv, int port, int enable) + { +--- a/drivers/net/dsa/qca/qca8k-common.c ++++ b/drivers/net/dsa/qca/qca8k-common.c +@@ -7,6 +7,7 @@ + */ + + #include <linux/netdevice.h> ++#include <linux/bitfield.h> + #include <net/dsa.h> + + #include "qca8k.h" +@@ -138,3 +139,38 @@ int qca8k_bulk_write(struct qca8k_priv * + + return 0; + } ++ ++int qca8k_busy_wait(struct qca8k_priv *priv, u32 reg, u32 mask) ++{ ++ u32 val; ++ ++ return regmap_read_poll_timeout(priv->regmap, reg, val, !(val & mask), 0, ++ QCA8K_BUSY_WAIT_TIMEOUT * USEC_PER_MSEC); ++} ++ ++int qca8k_mib_init(struct qca8k_priv *priv) ++{ ++ int ret; ++ ++ mutex_lock(&priv->reg_mutex); ++ ret = regmap_update_bits(priv->regmap, QCA8K_REG_MIB, ++ QCA8K_MIB_FUNC | QCA8K_MIB_BUSY, ++ FIELD_PREP(QCA8K_MIB_FUNC, QCA8K_MIB_FLUSH) | ++ QCA8K_MIB_BUSY); ++ if (ret) ++ goto exit; ++ ++ ret = qca8k_busy_wait(priv, QCA8K_REG_MIB, QCA8K_MIB_BUSY); ++ if (ret) ++ goto exit; ++ ++ ret = regmap_set_bits(priv->regmap, QCA8K_REG_MIB, QCA8K_MIB_CPU_KEEP); ++ if (ret) ++ goto exit; ++ ++ ret = qca8k_write(priv, QCA8K_REG_MODULE_EN, QCA8K_MODULE_EN_MIB); ++ ++exit: ++ mutex_unlock(&priv->reg_mutex); ++ return ret; ++} +--- a/drivers/net/dsa/qca/qca8k.h ++++ b/drivers/net/dsa/qca/qca8k.h +@@ -422,6 +422,7 @@ struct qca8k_fdb { + /* Common setup function */ + extern const struct qca8k_mib_desc ar8327_mib[]; + extern const struct regmap_access_table qca8k_readable_table; ++int qca8k_mib_init(struct qca8k_priv *priv); + + /* Common read/write/rmw function */ + int qca8k_read(struct qca8k_priv *priv, u32 reg, u32 *val); +@@ -431,4 +432,7 @@ int qca8k_rmw(struct qca8k_priv *priv, u + int qca8k_bulk_read(struct qca8k_priv *priv, u32 reg, u32 *val, int len); + int qca8k_bulk_write(struct qca8k_priv *priv, u32 reg, u32 *val, int len); + ++/* Common ops function */ ++int qca8k_busy_wait(struct qca8k_priv *priv, u32 reg, u32 mask); ++ + #endif /* __QCA8K_H */ |