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-rw-r--r--include/uapi/linux/mdio.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/linux/mdio.h b/include/uapi/linux/mdio.h
index 2e6e309f0847..0e012b168e4d 100644
--- a/include/uapi/linux/mdio.h
+++ b/include/uapi/linux/mdio.h
@@ -115,6 +115,7 @@
/* Device present registers. */
#define MDIO_DEVS_PRESENT(devad) (1 << (devad))
+#define MDIO_DEVS_C22PRESENT MDIO_DEVS_PRESENT(0)
#define MDIO_DEVS_PMAPMD MDIO_DEVS_PRESENT(MDIO_MMD_PMAPMD)
#define MDIO_DEVS_WIS MDIO_DEVS_PRESENT(MDIO_MMD_WIS)
#define MDIO_DEVS_PCS MDIO_DEVS_PRESENT(MDIO_MMD_PCS)