[PATCH net-next v1 4/5] net: dsa: microchip: ksz8: Prepare ksz8863_smi for regmap register access validation

[Oleksij Rempel]

This patch prepares the ksz8863_smi part of ksz8 driver to utilize the
regmap register access validation feature.

Signed-off-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx>
---
 drivers/net/dsa/microchip/ksz8863_smi.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/drivers/net/dsa/microchip/ksz8863_smi.c b/drivers/net/dsa/microchip/ksz8863_smi.c
index 2af807db0b45..303a4707c759 100644
--- a/drivers/net/dsa/microchip/ksz8863_smi.c
+++ b/drivers/net/dsa/microchip/ksz8863_smi.c
@@ -104,6 +104,7 @@ static const struct regmap_config ksz8863_regmap_config[] = {
 		.cache_type = REGCACHE_NONE,
 		.lock = ksz_regmap_lock,
 		.unlock = ksz_regmap_unlock,
+		.max_register = BIT(8) - 1,
 	},
 	{
 		.name = "#16",
@@ -113,6 +114,7 @@ static const struct regmap_config ksz8863_regmap_config[] = {
 		.cache_type = REGCACHE_NONE,
 		.lock = ksz_regmap_lock,
 		.unlock = ksz_regmap_unlock,
+		.max_register = BIT(8) - 2,
 	},
 	{
 		.name = "#32",
@@ -122,11 +124,14 @@ static const struct regmap_config ksz8863_regmap_config[] = {
 		.cache_type = REGCACHE_NONE,
 		.lock = ksz_regmap_lock,
 		.unlock = ksz_regmap_unlock,
+		.max_register = BIT(8) - 4,
 	}
 };
 
 static int ksz8863_smi_probe(struct mdio_device *mdiodev)
 {
+	struct device *ddev = &mdiodev->dev;
+	const struct ksz_chip_data *chip;
 	struct regmap_config rc;
 	struct ksz_device *dev;
 	int ret;
@@ -136,9 +141,15 @@ static int ksz8863_smi_probe(struct mdio_device *mdiodev)
 	if (!dev)
 		return -ENOMEM;
 
+	chip = device_get_match_data(ddev);
+	if (!chip)
+		return -EINVAL;
+
 	for (i = 0; i < __KSZ_NUM_REGMAPS; i++) {
 		rc = ksz8863_regmap_config[i];
 		rc.lock_arg = &dev->regmap_mutex;
+		rc.wr_table = chip->wr_table;
+		rc.rd_table = chip->rd_table;
 		dev->regmap[i] = devm_regmap_init(&mdiodev->dev,
 						  &regmap_smi[i], dev,
 						  &rc);
-- 
2.39.2