diff options
Diffstat (limited to 'drivers/net/dsa/microchip/ksz8795.c')
| -rw-r--r-- | drivers/net/dsa/microchip/ksz8795.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/net/dsa/microchip/ksz8795.c b/drivers/net/dsa/microchip/ksz8795.c index e1731ae4497d..560f6843bb65 100644 --- a/drivers/net/dsa/microchip/ksz8795.c +++ b/drivers/net/dsa/microchip/ksz8795.c @@ -970,6 +970,18 @@ static enum dsa_tag_protocol ksz8_get_tag_protocol(struct dsa_switch *ds, DSA_TAG_PROTO_KSZ9893 : DSA_TAG_PROTO_KSZ8795; } +static u32 ksz8_sw_get_phy_flags(struct dsa_switch *ds, int port) +{ + /* Silicon Errata Sheet (DS80000830A): + * Port 1 does not work with LinkMD Cable-Testing. + * Port 1 does not respond to received PAUSE control frames. + */ + if (!port) + return MICREL_KSZ8_P1_ERRATA; + + return 0; +} + static void ksz8_get_strings(struct dsa_switch *ds, int port, u32 stringset, uint8_t *buf) { @@ -1503,6 +1515,7 @@ unsupported: static const struct dsa_switch_ops ksz8_switch_ops = { .get_tag_protocol = ksz8_get_tag_protocol, + .get_phy_flags = ksz8_sw_get_phy_flags, .setup = ksz8_setup, .phy_read = ksz_phy_read16, .phy_write = ksz_phy_write16, |