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| author |   Herbert Xu <herbert@gondor.apana.org.au> | 2010-05-26 11:36:58 +1000 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2010-05-26 11:36:58 +1000 |
| commit | 50d1e9302bab7d35dae7146f8c468e0943015616 (patch) | |
| tree | fa05320f4a297bd582686574cf94ba444e264b3f /drivers/ssb/sprom.c | |
| parent | crypto: mv_cesa - fixup error handling in mv_probe() (diff) | |
| parent | n2_crypto: Add HMAC support. (diff) | |
| download | linux-dev-50d1e9302bab7d35dae7146f8c468e0943015616.tar.xz linux-dev-50d1e9302bab7d35dae7146f8c468e0943015616.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/crypto-2.6
Diffstat (limited to 'drivers/ssb/sprom.c')
| -rw-r--r-- | drivers/ssb/sprom.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/ssb/sprom.c b/drivers/ssb/sprom.c index f2f920fef10d..007bc3a03486 100644 --- a/drivers/ssb/sprom.c +++ b/drivers/ssb/sprom.c @@ -176,3 +176,17 @@ const struct ssb_sprom *ssb_get_fallback_sprom(void) { 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->id.revision >= 31) + return bus->chipco.capabilities & SSB_CHIPCO_CAP_SPROM; + + return true; +} |