emx: Fix comment

diff --git a/sys/dev/netif/emx/if_emx.c b/sys/dev/netif/emx/if_emx.c
index 806c64a..c237d2f 100644 (file)
--- a/sys/dev/netif/emx/if_emx.c
+++ b/sys/dev/netif/emx/if_emx.c
@@ -1628,8 +1628,7 @@ emx_encap(struct emx_txdata *tdata, struct mbuf **m_headp,
        ctxd->lower.data |= htole32(E1000_TXD_CMD_EOP | cmd);
 
        /*
-        * Advance the Transmit Descriptor Tail (TDT), this tells
-        * the E1000 that this frame is available to transmit.
+        * Defer TDT updating, until enough descriptors are setup
         */
        *idx = i;