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Subject[PATCH net-next v1 4/5] net: dsa: microchip: ksz8: Prepare ksz8863_smi for regmap register access validation
Date
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@pengutronix.de>
---
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
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