Busy-wait a short while after sending a command to rtwn(4) firmware.

Fixes selection of initial TX rate. We're not stuck at 1Mbit/s anymore.

diff --git a/sys/dev/pci/if_rtwn.c b/sys/dev/pci/if_rtwn.c
index 6cea7c3..d344e22 100644 (file)
--- a/sys/dev/pci/if_rtwn.c
+++ b/sys/dev/pci/if_rtwn.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: if_rtwn.c,v 1.3 2015/06/12 09:30:05 stsp Exp $        */
+/*     $OpenBSD: if_rtwn.c,v 1.4 2015/06/13 21:15:23 stsp Exp $        */
 
 /*-
  * Copyright (c) 2010 Damien Bergamini <damien.bergamini@free.fr>
@@ -761,6 +761,10 @@ rtwn_fw_cmd(struct rtwn_softc *sc, uint8_t id, const void *buf, int len)
        rtwn_write_4(sc, R92C_HMEBOX(sc->fwcur), *((uint8_t *)&cmd + 0));
 
        sc->fwcur = (sc->fwcur + 1) % R92C_H2C_NBOX;
+
+       /* Give firmware some time for processing. */
+       DELAY(2000);
+
        return (0);
 }