[PATCH net-next v1 07/10] net: dsa: microchip: warn about not supported synclko properties on KSZ9893 chips

Oleksij Rempel
2022-07-29T13:04:22Z

KSZ9893 family of chips do not support synclko property. So warn about
without preventing driver from start.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
---
drivers/net/dsa/microchip/ksz_common.c | 7 +++++++
1 file changed, 7 insertions(+)

diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c
index 71b5349d006a..d3a9836c706f 100644
--- a/drivers/net/dsa/microchip/ksz_common.c
+++ b/drivers/net/dsa/microchip/ksz_common.c
@@ -1916,6 +1916,13 @@ int ksz_switch_register(struct ksz_device *dev)
dev_err(dev->dev, "inconsistent synclko settings\n");
return -EINVAL;
}
+
+ if (dev->chip_id == KSZ9893_CHIP_ID && (dev->synclko_125 ||
+ dev->synclko_disable)) {
+ dev_warn(dev->dev, "microchip,synclko-125 and microchip,synclko-disable "
+ "properties are not supported on this chip. "
+ "Please fix you devicetree.\n");
+ }
}

ret = dsa_register_switch(dev->ds);
--
2.30.2