--- drivers/ssb/sprom.c

+++ drivers/ssb/sprom.c

@@ -179,3 +179,18 @@ const struct ssb_sprom *ssb_get_fallback

{

return fallback_sprom;

}

+

+/* http://bcm-v4.sipsolutions.net/802.11/IsSpromAvailable */

+bool ssb_is_sprom_available(struct ssb_bus *bus)

+{

+ /* status register only exists on chipcomon rev >= 11 and we need check

+ for >= 31 only */

+ /* this routine differs from specs as we do not access SPROM directly

+ on PCMCIA */

+ if (bus->bustype == SSB_BUSTYPE_PCI &&

+ bus->chipco.dev && /* can be unavailible! */

+ bus->chipco.dev->id.revision >= 31)

+ return bus->chipco.capabilities & SSB_CHIPCO_CAP_SPROM;

+

+ return true;

+}