openwrt/target/linux/generic/backport-5.15/756-net-next-net-dsa-qca8k-move-regmap-init-in-probe-and-set-it.patch

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From 36b8af12f424e7a7f60a935c60a0fd4aa0822378 Mon Sep 17 00:00:00 2001
From: Ansuel Smith <ansuelsmth@gmail.com>
Date: Mon, 22 Nov 2021 16:23:43 +0100
Subject: net: dsa: qca8k: move regmap init in probe and set it mandatory
In preparation for regmap conversion, move regmap init in the probe
function and make it mandatory as any read/write/rmw operation will be
converted to regmap API.
Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/dsa/qca8k.c | 14 ++++++++------
1 file changed, 8 insertions(+), 6 deletions(-)
--- a/drivers/net/dsa/qca8k.c
+++ b/drivers/net/dsa/qca8k.c
@@ -1086,12 +1086,6 @@ qca8k_setup(struct dsa_switch *ds)
if (ret)
return ret;
- /* Start by setting up the register mapping */
- priv->regmap = devm_regmap_init(ds->dev, NULL, priv,
- &qca8k_regmap_config);
- if (IS_ERR(priv->regmap))
- dev_warn(priv->dev, "regmap initialization failed");
-
ret = qca8k_setup_mdio_bus(priv);
if (ret)
return ret;
@@ -2085,6 +2079,14 @@ qca8k_sw_probe(struct mdio_device *mdiod
gpiod_set_value_cansleep(priv->reset_gpio, 0);
}
+ /* Start by setting up the register mapping */
+ priv->regmap = devm_regmap_init(&mdiodev->dev, NULL, priv,
+ &qca8k_regmap_config);
+ if (IS_ERR(priv->regmap)) {
+ dev_err(priv->dev, "regmap initialization failed");
+ return PTR_ERR(priv->regmap);
+ }
+
/* Check the detected switch id */
ret = qca8k_read_switch_id(priv);
if (ret)