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path: root/drivers/net/dsa/microchip/ksz_common.c
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Diffstat (limited to 'drivers/net/dsa/microchip/ksz_common.c')
-rw-r--r--drivers/net/dsa/microchip/ksz_common.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c
index b120e66d5669..1491099528be 100644
--- a/drivers/net/dsa/microchip/ksz_common.c
+++ b/drivers/net/dsa/microchip/ksz_common.c
@@ -2578,7 +2578,11 @@ static u32 ksz_get_phy_flags(struct dsa_switch *ds, int port)
if (!port)
return MICREL_KSZ8_P1_ERRATA;
break;
+ case KSZ8567_CHIP_ID:
case KSZ9477_CHIP_ID:
+ case KSZ9567_CHIP_ID:
+ case KSZ9896_CHIP_ID:
+ case KSZ9897_CHIP_ID:
/* KSZ9477 Errata DS80000754C
*
* Module 4: Energy Efficient Ethernet (EEE) feature select must
@@ -2588,6 +2592,13 @@ static u32 ksz_get_phy_flags(struct dsa_switch *ds, int port)
* controls. If not disabled, the PHY ports can auto-negotiate
* to enable EEE, and this feature can cause link drops when
* linked to another device supporting EEE.
+ *
+ * The same item appears in the errata for the KSZ9567, KSZ9896,
+ * and KSZ9897.
+ *
+ * A similar item appears in the errata for the KSZ8567, but
+ * provides an alternative workaround. For now, use the simple
+ * workaround of disabling the EEE feature for this device too.
*/
return MICREL_NO_EEE;
}