diff options
Diffstat (limited to 'target/linux/generic/backport-5.15/771-v6.0-05-net-dsa-qca8k-move-qca8k-bulk-read-write-helper-to-c.patch')
| -rw-r--r-- | target/linux/generic/backport-5.15/771-v6.0-05-net-dsa-qca8k-move-qca8k-bulk-read-write-helper-to-c.patch | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.15/771-v6.0-05-net-dsa-qca8k-move-qca8k-bulk-read-write-helper-to-c.patch b/target/linux/generic/backport-5.15/771-v6.0-05-net-dsa-qca8k-move-qca8k-bulk-read-write-helper-to-c.patch new file mode 100644 index 0000000000..0ed7ed41fb --- /dev/null +++ b/target/linux/generic/backport-5.15/771-v6.0-05-net-dsa-qca8k-move-qca8k-bulk-read-write-helper-to-c.patch @@ -0,0 +1,145 @@ +From 910746444313dc463396cd63024cdf54ef04ef39 Mon Sep 17 00:00:00 2001 +From: Christian Marangi <ansuelsmth@gmail.com> +Date: Wed, 27 Jul 2022 13:35:14 +0200 +Subject: [PATCH 05/14] net: dsa: qca8k: move qca8k bulk read/write helper to + common code + +The same ATU function are used by drivers based on qca8k family switch. +Move the bulk read/write helper to common code to declare these shared +ATU functions in common code. +These helper will be dropped when regmap correctly support bulk +read/write. + +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 | 39 ++---------------------------- + drivers/net/dsa/qca/qca8k-common.c | 39 ++++++++++++++++++++++++++++++ + drivers/net/dsa/qca/qca8k.h | 8 ++++++ + 3 files changed, 49 insertions(+), 37 deletions(-) + +--- a/drivers/net/dsa/qca/qca8k-8xxx.c ++++ b/drivers/net/dsa/qca/qca8k-8xxx.c +@@ -343,43 +343,6 @@ qca8k_regmap_update_bits_eth(struct qca8 + } + + static int +-qca8k_bulk_read(struct qca8k_priv *priv, u32 reg, u32 *val, int len) +-{ +- int i, count = len / sizeof(u32), ret; +- +- if (priv->mgmt_master && !qca8k_read_eth(priv, reg, val, len)) +- return 0; +- +- for (i = 0; i < count; i++) { +- ret = regmap_read(priv->regmap, reg + (i * 4), val + i); +- if (ret < 0) +- return ret; +- } +- +- return 0; +-} +- +-static int +-qca8k_bulk_write(struct qca8k_priv *priv, u32 reg, u32 *val, int len) +-{ +- int i, count = len / sizeof(u32), ret; +- u32 tmp; +- +- if (priv->mgmt_master && !qca8k_write_eth(priv, reg, val, len)) +- return 0; +- +- for (i = 0; i < count; i++) { +- tmp = val[i]; +- +- ret = regmap_write(priv->regmap, reg + (i * 4), tmp); +- if (ret < 0) +- return ret; +- } +- +- return 0; +-} +- +-static int + qca8k_regmap_read(void *ctx, uint32_t reg, uint32_t *val) + { + struct qca8k_priv *priv = (struct qca8k_priv *)ctx; +@@ -3096,6 +3059,8 @@ static SIMPLE_DEV_PM_OPS(qca8k_pm_ops, + + static const struct qca8k_info_ops qca8xxx_ops = { + .autocast_mib = qca8k_get_ethtool_stats_eth, ++ .read_eth = qca8k_read_eth, ++ .write_eth = qca8k_write_eth, + }; + + static const struct qca8k_match_data qca8327 = { +--- a/drivers/net/dsa/qca/qca8k-common.c ++++ b/drivers/net/dsa/qca/qca8k-common.c +@@ -99,3 +99,42 @@ const struct regmap_access_table qca8k_r + .yes_ranges = qca8k_readable_ranges, + .n_yes_ranges = ARRAY_SIZE(qca8k_readable_ranges), + }; ++ ++/* TODO: remove these extra ops when we can support regmap bulk read/write */ ++int qca8k_bulk_read(struct qca8k_priv *priv, u32 reg, u32 *val, int len) ++{ ++ int i, count = len / sizeof(u32), ret; ++ ++ if (priv->mgmt_master && priv->info->ops->read_eth && ++ !priv->info->ops->read_eth(priv, reg, val, len)) ++ return 0; ++ ++ for (i = 0; i < count; i++) { ++ ret = regmap_read(priv->regmap, reg + (i * 4), val + i); ++ if (ret < 0) ++ return ret; ++ } ++ ++ return 0; ++} ++ ++/* TODO: remove these extra ops when we can support regmap bulk read/write */ ++int qca8k_bulk_write(struct qca8k_priv *priv, u32 reg, u32 *val, int len) ++{ ++ int i, count = len / sizeof(u32), ret; ++ u32 tmp; ++ ++ if (priv->mgmt_master && priv->info->ops->write_eth && ++ !priv->info->ops->write_eth(priv, reg, val, len)) ++ return 0; ++ ++ for (i = 0; i < count; i++) { ++ tmp = val[i]; ++ ++ ret = regmap_write(priv->regmap, reg + (i * 4), tmp); ++ if (ret < 0) ++ return ret; ++ } ++ ++ return 0; ++} +--- a/drivers/net/dsa/qca/qca8k.h ++++ b/drivers/net/dsa/qca/qca8k.h +@@ -324,8 +324,13 @@ enum qca8k_mid_cmd { + QCA8K_MIB_CAST = 3, + }; + ++struct qca8k_priv; ++ + struct qca8k_info_ops { + int (*autocast_mib)(struct dsa_switch *ds, int port, u64 *data); ++ /* TODO: remove these extra ops when we can support regmap bulk read/write */ ++ int (*read_eth)(struct qca8k_priv *priv, u32 reg, u32 *val, int len); ++ int (*write_eth)(struct qca8k_priv *priv, u32 reg, u32 *val, int len); + }; + + struct qca8k_match_data { +@@ -423,4 +428,7 @@ int qca8k_read(struct qca8k_priv *priv, + int qca8k_write(struct qca8k_priv *priv, u32 reg, u32 val); + int qca8k_rmw(struct qca8k_priv *priv, u32 reg, u32 mask, u32 write_val); + ++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); ++ + #endif /* __QCA8K_H */ |