diff --git a/[refs] b/[refs]
index cfd0efcdd818..9cfa21f8f17e 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 1cc8f476f1260758a364b68d299796a9edb9ac41
+refs/heads/master: 8821905cfb65504f64e6beb014133bd2a998f5dc
diff --git a/trunk/drivers/net/wireless/b43/main.c b/trunk/drivers/net/wireless/b43/main.c
index 3ad3a6c447c0..ef514827a8d5 100644
--- a/trunk/drivers/net/wireless/b43/main.c
+++ b/trunk/drivers/net/wireless/b43/main.c
@@ -4179,6 +4179,9 @@ static int b43_wireless_core_init(struct b43_wldev *dev)
 	}
 	if (sprom->boardflags_lo & B43_BFL_XTAL_NOSLOW)
 		hf |= B43_HF_DSCRQ; /* Disable slowclock requests from ucode. */
+	if ((bus->bustype == SSB_BUSTYPE_PCI) &&
+	    (bus->pcicore.dev->id.revision <= 10))
+		hf |= B43_HF_PCISCW; /* PCI slow clock workaround. */
 	b43_hf_write(dev, hf);
 
 	b43_set_retry_limits(dev, B43_DEFAULT_SHORT_RETRY_LIMIT,