1 files changed, 42 insertions, 12 deletions

diff --git a/drivers/ssb/main.c b/drivers/ssb/main.c
index e05ba6eefc7..f8a13f86321 100644
--- a/drivers/ssb/main.c
+++ b/drivers/ssb/main.c
@@ -1117,23 +1117,22 @@ static u32 ssb_tmslow_reject_bitmask(struct ssb_device *dev)
 {
 	u32 rev = ssb_read32(dev, SSB_IDLOW) & SSB_IDLOW_SSBREV;
 
-	/* The REJECT bit changed position in TMSLOW between
-	 * Backplane revisions. */
+	/* The REJECT bit seems to be different for Backplane rev 2.3 */
 	switch (rev) {
 	case SSB_IDLOW_SSBREV_22:
-		return SSB_TMSLOW_REJECT_22;
+	case SSB_IDLOW_SSBREV_24:
+	case SSB_IDLOW_SSBREV_26:
+		return SSB_TMSLOW_REJECT;
 	case SSB_IDLOW_SSBREV_23:
 		return SSB_TMSLOW_REJECT_23;
-	case SSB_IDLOW_SSBREV_24:     /* TODO - find the proper REJECT bits */
-	case SSB_IDLOW_SSBREV_25:     /* same here */
-	case SSB_IDLOW_SSBREV_26:     /* same here */
+	case SSB_IDLOW_SSBREV_25:     /* TODO - find the proper REJECT bit */
 	case SSB_IDLOW_SSBREV_27:     /* same here */
-		return SSB_TMSLOW_REJECT_23;	/* this is a guess */
+		return SSB_TMSLOW_REJECT;	/* this is a guess */
 	default:
 		printk(KERN_INFO "ssb: Backplane Revision 0x%.8X\n", rev);
 		WARN_ON(1);
 	}
-	return (SSB_TMSLOW_REJECT_22 | SSB_TMSLOW_REJECT_23);
+	return (SSB_TMSLOW_REJECT | SSB_TMSLOW_REJECT_23);
 }
 
 int ssb_device_is_enabled(struct ssb_device *dev)
@@ -1309,20 +1308,20 @@ EXPORT_SYMBOL(ssb_bus_may_powerdown);
 
 int ssb_bus_powerup(struct ssb_bus *bus, bool dynamic_pctl)
 {
-	struct ssb_chipcommon *cc;
 	int err;
 	enum ssb_clkmode mode;
 
 	err = ssb_pci_xtal(bus, SSB_GPIO_XTAL | SSB_GPIO_PLL, 1);
 	if (err)
 		goto error;
-	cc = &bus->chipco;
-	mode = dynamic_pctl ? SSB_CLKMODE_DYNAMIC : SSB_CLKMODE_FAST;
-	ssb_chipco_set_clockmode(cc, mode);
 
 #ifdef CONFIG_SSB_DEBUG
 	bus->powered_up = 1;
 #endif
+
+	mode = dynamic_pctl ? SSB_CLKMODE_DYNAMIC : SSB_CLKMODE_FAST;
+	ssb_chipco_set_clockmode(&bus->chipco, mode);
+
 	return 0;
 error:
 	ssb_printk(KERN_ERR PFX "Bus powerup failed\n");
@@ -1330,6 +1329,37 @@ error:
 }
 EXPORT_SYMBOL(ssb_bus_powerup);
 
+static void ssb_broadcast_value(struct ssb_device *dev,
+				u32 address, u32 data)
+{
+#ifdef CONFIG_SSB_DRIVER_PCICORE
+	/* This is used for both, PCI and ChipCommon core, so be careful. */
+	BUILD_BUG_ON(SSB_PCICORE_BCAST_ADDR != SSB_CHIPCO_BCAST_ADDR);
+	BUILD_BUG_ON(SSB_PCICORE_BCAST_DATA != SSB_CHIPCO_BCAST_DATA);
+#endif
+
+	ssb_write32(dev, SSB_CHIPCO_BCAST_ADDR, address);
+	ssb_read32(dev, SSB_CHIPCO_BCAST_ADDR); /* flush */
+	ssb_write32(dev, SSB_CHIPCO_BCAST_DATA, data);
+	ssb_read32(dev, SSB_CHIPCO_BCAST_DATA); /* flush */
+}
+
+void ssb_commit_settings(struct ssb_bus *bus)
+{
+	struct ssb_device *dev;
+
+#ifdef CONFIG_SSB_DRIVER_PCICORE
+	dev = bus->chipco.dev ? bus->chipco.dev : bus->pcicore.dev;
+#else
+	dev = bus->chipco.dev;
+#endif
+	if (WARN_ON(!dev))
+		return;
+	/* This forces an update of the cached registers. */
+	ssb_broadcast_value(dev, 0xFD8, 0);
+}
+EXPORT_SYMBOL(ssb_commit_settings);
+
 u32 ssb_admatch_base(u32 adm)
 {
 	u32 base = 0;