diff options
Diffstat (limited to 'drivers/ssb/main.c')
| -rw-r--r-- | drivers/ssb/main.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/ssb/main.c b/drivers/ssb/main.c index 19ddd2bd105..6ce92e82b64 100644 --- a/drivers/ssb/main.c +++ b/drivers/ssb/main.c @@ -1190,6 +1190,12 @@ int ssb_bus_may_powerdown(struct ssb_bus *bus) goto out; cc = &bus->chipco; + + if (!cc->dev) + goto out; + if (cc->dev->id.revision < 5) + goto out; + ssb_chipco_set_clockmode(cc, SSB_CLKMODE_SLOW); err = ssb_pci_xtal(bus, SSB_GPIO_XTAL | SSB_GPIO_PLL, 0); if (err) |