--- zzzz-none-000/linux-3.10.107/drivers/ssb/main.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/ssb/main.c	2021-02-04 17:41:59.000000000 +0000
@@ -90,25 +90,6 @@
 }
 #endif /* CONFIG_SSB_PCMCIAHOST */
 
-#ifdef CONFIG_SSB_SDIOHOST
-struct ssb_bus *ssb_sdio_func_to_bus(struct sdio_func *func)
-{
-	struct ssb_bus *bus;
-
-	ssb_buses_lock();
-	list_for_each_entry(bus, &buses, list) {
-		if (bus->bustype == SSB_BUSTYPE_SDIO &&
-		    bus->host_sdio == func)
-			goto found;
-	}
-	bus = NULL;
-found:
-	ssb_buses_unlock();
-
-	return bus;
-}
-#endif /* CONFIG_SSB_SDIOHOST */
-
 int ssb_for_each_bus_call(unsigned long data,
 			  int (*func)(struct ssb_bus *bus, unsigned long data))
 {
@@ -374,7 +355,8 @@
 attrib##_show(struct device *dev, struct device_attribute *attr, char *buf) \
 { \
 	return sprintf(buf, format_string, dev_to_ssb_dev(dev)->field); \
-}
+} \
+static DEVICE_ATTR_RO(attrib);
 
 ssb_config_attr(core_num, core_index, "%u\n")
 ssb_config_attr(coreid, id.coreid, "0x%04x\n")
@@ -387,16 +369,18 @@
 	return sprintf(buf, "%s\n",
 		       ssb_core_name(dev_to_ssb_dev(dev)->id.coreid));
 }
+static DEVICE_ATTR_RO(name);
 
-static struct device_attribute ssb_device_attrs[] = {
-	__ATTR_RO(name),
-	__ATTR_RO(core_num),
-	__ATTR_RO(coreid),
-	__ATTR_RO(vendor),
-	__ATTR_RO(revision),
-	__ATTR_RO(irq),
-	__ATTR_NULL,
+static struct attribute *ssb_device_attrs[] = {
+	&dev_attr_name.attr,
+	&dev_attr_core_num.attr,
+	&dev_attr_coreid.attr,
+	&dev_attr_vendor.attr,
+	&dev_attr_revision.attr,
+	&dev_attr_irq.attr,
+	NULL,
 };
+ATTRIBUTE_GROUPS(ssb_device);
 
 static struct bus_type ssb_bustype = {
 	.name		= "ssb",
@@ -407,7 +391,7 @@
 	.suspend	= ssb_device_suspend,
 	.resume		= ssb_device_resume,
 	.uevent		= ssb_device_uevent,
-	.dev_attrs	= ssb_device_attrs,
+	.dev_groups	= ssb_device_groups,
 };
 
 static void ssb_buses_lock(void)
@@ -553,6 +537,14 @@
 	}
 #endif
 
+#ifdef CONFIG_SSB_SFLASH
+	if (bus->mipscore.sflash.present) {
+		err = platform_device_register(&ssb_sflash_dev);
+		if (err)
+			pr_err("Error registering serial flash\n");
+	}
+#endif
+
 	return 0;
 error:
 	/* Unwind the already registered devices. */
@@ -582,6 +574,13 @@
 		ssb_pcicore_init(&bus->pcicore);
 		if (bus->bustype == SSB_BUSTYPE_SSB)
 			ssb_watchdog_register(bus);
+
+		err = ssb_gpio_init(bus);
+		if (err == -ENOTSUPP)
+			ssb_dbg("GPIO driver not activated\n");
+		else if (err)
+			ssb_dbg("Error registering GPIO driver: %i\n", err);
+
 		ssb_bus_may_powerdown(bus);
 
 		err = ssb_devices_register(bus);
@@ -597,166 +596,6 @@
 	return err;
 }
 
-static u8 ssb_ssb_read8(struct ssb_device *dev, u16 offset)
-{
-	struct ssb_bus *bus = dev->bus;
-
-	offset += dev->core_index * SSB_CORE_SIZE;
-	return readb(bus->mmio + offset);
-}
-
-static u16 ssb_ssb_read16(struct ssb_device *dev, u16 offset)
-{
-	struct ssb_bus *bus = dev->bus;
-
-	offset += dev->core_index * SSB_CORE_SIZE;
-	return readw(bus->mmio + offset);
-}
-
-static u32 ssb_ssb_read32(struct ssb_device *dev, u16 offset)
-{
-	struct ssb_bus *bus = dev->bus;
-
-	offset += dev->core_index * SSB_CORE_SIZE;
-	return readl(bus->mmio + offset);
-}
-
-#ifdef CONFIG_SSB_BLOCKIO
-static void ssb_ssb_block_read(struct ssb_device *dev, void *buffer,
-			       size_t count, u16 offset, u8 reg_width)
-{
-	struct ssb_bus *bus = dev->bus;
-	void __iomem *addr;
-
-	offset += dev->core_index * SSB_CORE_SIZE;
-	addr = bus->mmio + offset;
-
-	switch (reg_width) {
-	case sizeof(u8): {
-		u8 *buf = buffer;
-
-		while (count) {
-			*buf = __raw_readb(addr);
-			buf++;
-			count--;
-		}
-		break;
-	}
-	case sizeof(u16): {
-		__le16 *buf = buffer;
-
-		SSB_WARN_ON(count & 1);
-		while (count) {
-			*buf = (__force __le16)__raw_readw(addr);
-			buf++;
-			count -= 2;
-		}
-		break;
-	}
-	case sizeof(u32): {
-		__le32 *buf = buffer;
-
-		SSB_WARN_ON(count & 3);
-		while (count) {
-			*buf = (__force __le32)__raw_readl(addr);
-			buf++;
-			count -= 4;
-		}
-		break;
-	}
-	default:
-		SSB_WARN_ON(1);
-	}
-}
-#endif /* CONFIG_SSB_BLOCKIO */
-
-static void ssb_ssb_write8(struct ssb_device *dev, u16 offset, u8 value)
-{
-	struct ssb_bus *bus = dev->bus;
-
-	offset += dev->core_index * SSB_CORE_SIZE;
-	writeb(value, bus->mmio + offset);
-}
-
-static void ssb_ssb_write16(struct ssb_device *dev, u16 offset, u16 value)
-{
-	struct ssb_bus *bus = dev->bus;
-
-	offset += dev->core_index * SSB_CORE_SIZE;
-	writew(value, bus->mmio + offset);
-}
-
-static void ssb_ssb_write32(struct ssb_device *dev, u16 offset, u32 value)
-{
-	struct ssb_bus *bus = dev->bus;
-
-	offset += dev->core_index * SSB_CORE_SIZE;
-	writel(value, bus->mmio + offset);
-}
-
-#ifdef CONFIG_SSB_BLOCKIO
-static void ssb_ssb_block_write(struct ssb_device *dev, const void *buffer,
-				size_t count, u16 offset, u8 reg_width)
-{
-	struct ssb_bus *bus = dev->bus;
-	void __iomem *addr;
-
-	offset += dev->core_index * SSB_CORE_SIZE;
-	addr = bus->mmio + offset;
-
-	switch (reg_width) {
-	case sizeof(u8): {
-		const u8 *buf = buffer;
-
-		while (count) {
-			__raw_writeb(*buf, addr);
-			buf++;
-			count--;
-		}
-		break;
-	}
-	case sizeof(u16): {
-		const __le16 *buf = buffer;
-
-		SSB_WARN_ON(count & 1);
-		while (count) {
-			__raw_writew((__force u16)(*buf), addr);
-			buf++;
-			count -= 2;
-		}
-		break;
-	}
-	case sizeof(u32): {
-		const __le32 *buf = buffer;
-
-		SSB_WARN_ON(count & 3);
-		while (count) {
-			__raw_writel((__force u32)(*buf), addr);
-			buf++;
-			count -= 4;
-		}
-		break;
-	}
-	default:
-		SSB_WARN_ON(1);
-	}
-}
-#endif /* CONFIG_SSB_BLOCKIO */
-
-/* Ops for the plain SSB bus without a host-device (no PCI or PCMCIA). */
-static const struct ssb_bus_ops ssb_ssb_ops = {
-	.read8		= ssb_ssb_read8,
-	.read16		= ssb_ssb_read16,
-	.read32		= ssb_ssb_read32,
-	.write8		= ssb_ssb_write8,
-	.write16	= ssb_ssb_write16,
-	.write32	= ssb_ssb_write32,
-#ifdef CONFIG_SSB_BLOCKIO
-	.block_read	= ssb_ssb_block_read,
-	.block_write	= ssb_ssb_block_write,
-#endif
-};
-
 static int ssb_fetch_invariants(struct ssb_bus *bus,
 				ssb_invariants_func_t get_invariants)
 {
@@ -819,11 +658,6 @@
 	ssb_chipcommon_init(&bus->chipco);
 	ssb_extif_init(&bus->extif);
 	ssb_mipscore_init(&bus->mipscore);
-	err = ssb_gpio_init(bus);
-	if (err == -ENOTSUPP)
-		ssb_dbg("GPIO driver not activated\n");
-	else if (err)
-		ssb_dbg("Error registering GPIO driver: %i\n", err);
 	err = ssb_fetch_invariants(bus, get_invariants);
 	if (err) {
 		ssb_bus_may_powerdown(bus);
@@ -882,7 +716,6 @@
 
 	return err;
 }
-EXPORT_SYMBOL(ssb_bus_pcibus_register);
 #endif /* CONFIG_SSB_PCIHOST */
 
 #ifdef CONFIG_SSB_PCMCIAHOST
@@ -904,7 +737,6 @@
 
 	return err;
 }
-EXPORT_SYMBOL(ssb_bus_pcmciabus_register);
 #endif /* CONFIG_SSB_PCMCIAHOST */
 
 #ifdef CONFIG_SSB_SDIOHOST
@@ -929,13 +761,14 @@
 EXPORT_SYMBOL(ssb_bus_sdiobus_register);
 #endif /* CONFIG_SSB_PCMCIAHOST */
 
+#ifdef CONFIG_SSB_HOST_SOC
 int ssb_bus_ssbbus_register(struct ssb_bus *bus, unsigned long baseaddr,
 			    ssb_invariants_func_t get_invariants)
 {
 	int err;
 
 	bus->bustype = SSB_BUSTYPE_SSB;
-	bus->ops = &ssb_ssb_ops;
+	bus->ops = &ssb_host_soc_ops;
 
 	err = ssb_bus_register(bus, get_invariants, baseaddr);
 	if (!err) {
@@ -945,6 +778,7 @@
 
 	return err;
 }
+#endif
 
 int __ssb_driver_register(struct ssb_driver *drv, struct module *owner)
 {
@@ -1141,6 +975,8 @@
 	case SSB_IDLOW_SSBREV_25:     /* TODO - find the proper REJECT bit */
 	case SSB_IDLOW_SSBREV_27:     /* same here */
 		return SSB_TMSLOW_REJECT;	/* this is a guess */
+	case SSB_IDLOW_SSBREV:
+		break;
 	default:
 		WARN(1, KERN_INFO "ssb: Backplane Revision 0x%.8X\n", rev);
 	}
@@ -1469,6 +1305,12 @@
 		/* don't fail SSB init because of this */
 		err = 0;
 	}
+	err = ssb_host_pcmcia_init();
+	if (err) {
+		ssb_err("PCMCIA host initialization failed\n");
+		/* don't fail SSB init because of this */
+		err = 0;
+	}
 	err = ssb_gige_init();
 	if (err) {
 		ssb_err("SSB Broadcom Gigabit Ethernet driver initialization failed\n");
@@ -1486,6 +1328,7 @@
 static void __exit ssb_modexit(void)
 {
 	ssb_gige_exit();
+	ssb_host_pcmcia_exit();
 	b43_pci_ssb_bridge_exit();
 	bus_unregister(&ssb_bustype);
 }