Merge commit 'v2.6.28-rc2' into x86/pci-ioapic-boot-irq-quirks

4 files changed, 136 insertions, 72 deletions

diff --git a/drivers/ssb/Kconfig b/drivers/ssb/Kconfig
index cd845b8acd17..307b1f62d949 100644
--- a/drivers/ssb/Kconfig
+++ b/drivers/ssb/Kconfig
@@ -2,7 +2,7 @@ menu "Sonics Silicon Backplane"
 
 config SSB_POSSIBLE
 	bool
-	depends on HAS_IOMEM
+	depends on HAS_IOMEM && HAS_DMA
 	default y
 
 config SSB
diff --git a/drivers/ssb/main.c b/drivers/ssb/main.c
index d184f2aea78d..0ffabf5c0b60 100644
--- a/drivers/ssb/main.c
+++ b/drivers/ssb/main.c
@@ -462,18 +462,16 @@ static int ssb_devices_register(struct ssb_bus *bus)
 #ifdef CONFIG_SSB_PCIHOST
 			sdev->irq = bus->host_pci->irq;
 			dev->parent = &bus->host_pci->dev;
-			sdev->dma_dev = &bus->host_pci->dev;
 #endif
 			break;
 		case SSB_BUSTYPE_PCMCIA:
 #ifdef CONFIG_SSB_PCMCIAHOST
 			sdev->irq = bus->host_pcmcia->irq.AssignedIRQ;
 			dev->parent = &bus->host_pcmcia->dev;
-			sdev->dma_dev = &bus->host_pcmcia->dev;
 #endif
 			break;
 		case SSB_BUSTYPE_SSB:
-			sdev->dma_dev = dev;
+			dev->dma_mask = &dev->coherent_dma_mask;
 			break;
 		}
 
@@ -1156,35 +1154,89 @@ u32 ssb_dma_translation(struct ssb_device *dev)
 {
 	switch (dev->bus->bustype) {
 	case SSB_BUSTYPE_SSB:
-	case SSB_BUSTYPE_PCMCIA:
 		return 0;
 	case SSB_BUSTYPE_PCI:
 		return SSB_PCI_DMA;
+	default:
+		__ssb_dma_not_implemented(dev);
 	}
 	return 0;
 }
 EXPORT_SYMBOL(ssb_dma_translation);
 
-int ssb_dma_set_mask(struct ssb_device *ssb_dev, u64 mask)
+int ssb_dma_set_mask(struct ssb_device *dev, u64 mask)
 {
-	struct device *dma_dev = ssb_dev->dma_dev;
-	int err = 0;
+#ifdef CONFIG_SSB_PCIHOST
+	int err;
+#endif
 
+	switch (dev->bus->bustype) {
+	case SSB_BUSTYPE_PCI:
 #ifdef CONFIG_SSB_PCIHOST
-	if (ssb_dev->bus->bustype == SSB_BUSTYPE_PCI) {
-		err = pci_set_dma_mask(ssb_dev->bus->host_pci, mask);
+		err = pci_set_dma_mask(dev->bus->host_pci, mask);
 		if (err)
 			return err;
-		err = pci_set_consistent_dma_mask(ssb_dev->bus->host_pci, mask);
+		err = pci_set_consistent_dma_mask(dev->bus->host_pci, mask);
 		return err;
+#endif
+	case SSB_BUSTYPE_SSB:
+		return dma_set_mask(dev->dev, mask);
+	default:
+		__ssb_dma_not_implemented(dev);
 	}
+	return -ENOSYS;
+}
+EXPORT_SYMBOL(ssb_dma_set_mask);
+
+void * ssb_dma_alloc_consistent(struct ssb_device *dev, size_t size,
+				dma_addr_t *dma_handle, gfp_t gfp_flags)
+{
+	switch (dev->bus->bustype) {
+	case SSB_BUSTYPE_PCI:
+#ifdef CONFIG_SSB_PCIHOST
+		if (gfp_flags & GFP_DMA) {
+			/* Workaround: The PCI API does not support passing
+			 * a GFP flag. */
+			return dma_alloc_coherent(&dev->bus->host_pci->dev,
+						  size, dma_handle, gfp_flags);
+		}
+		return pci_alloc_consistent(dev->bus->host_pci, size, dma_handle);
 #endif
-	dma_dev->coherent_dma_mask = mask;
-	dma_dev->dma_mask = &dma_dev->coherent_dma_mask;
+	case SSB_BUSTYPE_SSB:
+		return dma_alloc_coherent(dev->dev, size, dma_handle, gfp_flags);
+	default:
+		__ssb_dma_not_implemented(dev);
+	}
+	return NULL;
+}
+EXPORT_SYMBOL(ssb_dma_alloc_consistent);
 
-	return err;
+void ssb_dma_free_consistent(struct ssb_device *dev, size_t size,
+			     void *vaddr, dma_addr_t dma_handle,
+			     gfp_t gfp_flags)
+{
+	switch (dev->bus->bustype) {
+	case SSB_BUSTYPE_PCI:
+#ifdef CONFIG_SSB_PCIHOST
+		if (gfp_flags & GFP_DMA) {
+			/* Workaround: The PCI API does not support passing
+			 * a GFP flag. */
+			dma_free_coherent(&dev->bus->host_pci->dev,
+					  size, vaddr, dma_handle);
+			return;
+		}
+		pci_free_consistent(dev->bus->host_pci, size,
+				    vaddr, dma_handle);
+		return;
+#endif
+	case SSB_BUSTYPE_SSB:
+		dma_free_coherent(dev->dev, size, vaddr, dma_handle);
+		return;
+	default:
+		__ssb_dma_not_implemented(dev);
+	}
 }
-EXPORT_SYMBOL(ssb_dma_set_mask);
+EXPORT_SYMBOL(ssb_dma_free_consistent);
 
 int ssb_bus_may_powerdown(struct ssb_bus *bus)
 {
diff --git a/drivers/ssb/pci.c b/drivers/ssb/pci.c
index 57c4ccfab1ee..d5cde051806b 100644
--- a/drivers/ssb/pci.c
+++ b/drivers/ssb/pci.c
@@ -327,11 +327,9 @@ static void sprom_extract_r123(struct ssb_sprom *out, const u16 *in)
 	s8 gain;
 	u16 loc[3];
 
-	if (out->revision == 3) {			/* rev 3 moved MAC */
+	if (out->revision == 3)			/* rev 3 moved MAC */
 		loc[0] = SSB_SPROM3_IL0MAC;
-		loc[1] = SSB_SPROM3_ET0MAC;
-		loc[2] = SSB_SPROM3_ET1MAC;
-	} else {
+	else {
 		loc[0] = SSB_SPROM1_IL0MAC;
 		loc[1] = SSB_SPROM1_ET0MAC;
 		loc[2] = SSB_SPROM1_ET1MAC;
@@ -340,13 +338,15 @@ static void sprom_extract_r123(struct ssb_sprom *out, const u16 *in)
 		v = in[SPOFF(loc[0]) + i];
 		*(((__be16 *)out->il0mac) + i) = cpu_to_be16(v);
 	}
-	for (i = 0; i < 3; i++) {
-		v = in[SPOFF(loc[1]) + i];
-		*(((__be16 *)out->et0mac) + i) = cpu_to_be16(v);
-	}
-	for (i = 0; i < 3; i++) {
-		v = in[SPOFF(loc[2]) + i];
-		*(((__be16 *)out->et1mac) + i) = cpu_to_be16(v);
+	if (out->revision < 3) { 	/* only rev 1-2 have et0, et1 */
+		for (i = 0; i < 3; i++) {
+			v = in[SPOFF(loc[1]) + i];
+			*(((__be16 *)out->et0mac) + i) = cpu_to_be16(v);
+		}
+		for (i = 0; i < 3; i++) {
+			v = in[SPOFF(loc[2]) + i];
+			*(((__be16 *)out->et1mac) + i) = cpu_to_be16(v);
+		}
 	}
 	SPEX(et0phyaddr, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET0A, 0);
 	SPEX(et1phyaddr, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET1A,
@@ -399,30 +399,33 @@ static void sprom_extract_r123(struct ssb_sprom *out, const u16 *in)
 	out->antenna_gain.ghz5.a3 = gain;
 }
 
-static void sprom_extract_r4(struct ssb_sprom *out, const u16 *in)
+static void sprom_extract_r45(struct ssb_sprom *out, const u16 *in)
 {
 	int i;
 	u16 v;
+	u16 il0mac_offset;
 
-	/* extract the equivalent of the r1 variables */
+	if (out->revision == 4)
+		il0mac_offset = SSB_SPROM4_IL0MAC;
+	else
+		il0mac_offset = SSB_SPROM5_IL0MAC;
+	/* extract the MAC address */
 	for (i = 0; i < 3; i++) {
-		v = in[SPOFF(SSB_SPROM4_IL0MAC) + i];
+		v = in[SPOFF(il0mac_offset) + i];
 		*(((__be16 *)out->il0mac) + i) = cpu_to_be16(v);
 	}
-	for (i = 0; i < 3; i++) {
-		v = in[SPOFF(SSB_SPROM4_ET0MAC) + i];
-		*(((__be16 *)out->et0mac) + i) = cpu_to_be16(v);
-	}
-	for (i = 0; i < 3; i++) {
-		v = in[SPOFF(SSB_SPROM4_ET1MAC) + i];
-		*(((__be16 *)out->et1mac) + i) = cpu_to_be16(v);
-	}
 	SPEX(et0phyaddr, SSB_SPROM4_ETHPHY, SSB_SPROM4_ETHPHY_ET0A, 0);
 	SPEX(et1phyaddr, SSB_SPROM4_ETHPHY, SSB_SPROM4_ETHPHY_ET1A,
 	     SSB_SPROM4_ETHPHY_ET1A_SHIFT);
-	SPEX(country_code, SSB_SPROM4_CCODE, 0xFFFF, 0);
-	SPEX(boardflags_lo, SSB_SPROM4_BFLLO, 0xFFFF, 0);
-	SPEX(boardflags_hi, SSB_SPROM4_BFLHI, 0xFFFF, 0);
+	if (out->revision == 4) {
+		SPEX(country_code, SSB_SPROM4_CCODE, 0xFFFF, 0);
+		SPEX(boardflags_lo, SSB_SPROM4_BFLLO, 0xFFFF, 0);
+		SPEX(boardflags_hi, SSB_SPROM4_BFLHI, 0xFFFF, 0);
+	} else {
+		SPEX(country_code, SSB_SPROM5_CCODE, 0xFFFF, 0);
+		SPEX(boardflags_lo, SSB_SPROM5_BFLLO, 0xFFFF, 0);
+		SPEX(boardflags_hi, SSB_SPROM5_BFLHI, 0xFFFF, 0);
+	}
 	SPEX(ant_available_a, SSB_SPROM4_ANTAVAIL, SSB_SPROM4_ANTAVAIL_A,
 	     SSB_SPROM4_ANTAVAIL_A_SHIFT);
 	SPEX(ant_available_bg, SSB_SPROM4_ANTAVAIL, SSB_SPROM4_ANTAVAIL_BG,
@@ -433,12 +436,21 @@ static void sprom_extract_r4(struct ssb_sprom *out, const u16 *in)
 	SPEX(maxpwr_a, SSB_SPROM4_MAXP_A, SSB_SPROM4_MAXP_A_MASK, 0);
 	SPEX(itssi_a, SSB_SPROM4_MAXP_A, SSB_SPROM4_ITSSI_A,
 	     SSB_SPROM4_ITSSI_A_SHIFT);
-	SPEX(gpio0, SSB_SPROM4_GPIOA, SSB_SPROM4_GPIOA_P0, 0);
-	SPEX(gpio1, SSB_SPROM4_GPIOA, SSB_SPROM4_GPIOA_P1,
-	     SSB_SPROM4_GPIOA_P1_SHIFT);
-	SPEX(gpio2, SSB_SPROM4_GPIOB, SSB_SPROM4_GPIOB_P2, 0);
-	SPEX(gpio3, SSB_SPROM4_GPIOB, SSB_SPROM4_GPIOB_P3,
-	     SSB_SPROM4_GPIOB_P3_SHIFT);
+	if (out->revision == 4) {
+		SPEX(gpio0, SSB_SPROM4_GPIOA, SSB_SPROM4_GPIOA_P0, 0);
+		SPEX(gpio1, SSB_SPROM4_GPIOA, SSB_SPROM4_GPIOA_P1,
+		     SSB_SPROM4_GPIOA_P1_SHIFT);
+		SPEX(gpio2, SSB_SPROM4_GPIOB, SSB_SPROM4_GPIOB_P2, 0);
+		SPEX(gpio3, SSB_SPROM4_GPIOB, SSB_SPROM4_GPIOB_P3,
+		     SSB_SPROM4_GPIOB_P3_SHIFT);
+	} else {
+		SPEX(gpio0, SSB_SPROM5_GPIOA, SSB_SPROM5_GPIOA_P0, 0);
+		SPEX(gpio1, SSB_SPROM5_GPIOA, SSB_SPROM5_GPIOA_P1,
+		     SSB_SPROM5_GPIOA_P1_SHIFT);
+		SPEX(gpio2, SSB_SPROM5_GPIOB, SSB_SPROM5_GPIOB_P2, 0);
+		SPEX(gpio3, SSB_SPROM5_GPIOB, SSB_SPROM5_GPIOB_P3,
+		     SSB_SPROM5_GPIOB_P3_SHIFT);
+	}
 
 	/* Extract the antenna gain values. */
 	SPEX(antenna_gain.ghz24.a0, SSB_SPROM4_AGAIN01,
@@ -462,6 +474,8 @@ static int sprom_extract(struct ssb_bus *bus, struct ssb_sprom *out,
 
 	out->revision = in[size - 1] & 0x00FF;
 	ssb_dprintk(KERN_DEBUG PFX "SPROM revision %d detected.\n", out->revision);
+	memset(out->et0mac, 0xFF, 6);		/* preset et0 and et1 mac */
+	memset(out->et1mac, 0xFF, 6);
 	if ((bus->chip_id & 0xFF00) == 0x4400) {
 		/* Workaround: The BCM44XX chip has a stupid revision
 		 * number stored in the SPROM.
@@ -471,16 +485,16 @@ static int sprom_extract(struct ssb_bus *bus, struct ssb_sprom *out,
 	} else if (bus->chip_id == 0x4321) {
 		/* the BCM4328 has a chipid == 0x4321 and a rev 4 SPROM */
 		out->revision = 4;
-		sprom_extract_r4(out, in);
+		sprom_extract_r45(out, in);
 	} else {
 		if (out->revision == 0)
 			goto unsupported;
 		if (out->revision >= 1 && out->revision <= 3) {
 			sprom_extract_r123(out, in);
 		}
-		if (out->revision == 4)
-			sprom_extract_r4(out, in);
-		if (out->revision >= 5)
+		if (out->revision == 4 || out->revision == 5)
+			sprom_extract_r45(out, in);
+		if (out->revision > 5)
 			goto unsupported;
 	}
 
@@ -510,17 +524,15 @@ static int ssb_pci_sprom_get(struct ssb_bus *bus,
 	sprom_do_read(bus, buf);
 	err = sprom_check_crc(buf, bus->sprom_size);
 	if (err) {
-		/* check for rev 4 sprom - has special signature */
-		if (buf[32] == 0x5372) {
-			kfree(buf);
-			buf = kcalloc(SSB_SPROMSIZE_WORDS_R4, sizeof(u16),
-				      GFP_KERNEL);
-			if (!buf)
-				goto out;
-			bus->sprom_size = SSB_SPROMSIZE_WORDS_R4;
-			sprom_do_read(bus, buf);
-			err = sprom_check_crc(buf, bus->sprom_size);
-		}
+		/* try for a 440 byte SPROM - revision 4 and higher */
+		kfree(buf);
+		buf = kcalloc(SSB_SPROMSIZE_WORDS_R4, sizeof(u16),
+			      GFP_KERNEL);
+		if (!buf)
+			goto out;
+		bus->sprom_size = SSB_SPROMSIZE_WORDS_R4;
+		sprom_do_read(bus, buf);
+		err = sprom_check_crc(buf, bus->sprom_size);
 		if (err)
 			ssb_printk(KERN_WARNING PFX "WARNING: Invalid"
 				   " SPROM CRC (corrupt SPROM)\n");
diff --git a/drivers/ssb/pcmcia.c b/drivers/ssb/pcmcia.c
index 24c2a46c1476..fbfadbac67e8 100644
--- a/drivers/ssb/pcmcia.c
+++ b/drivers/ssb/pcmcia.c
@@ -80,7 +80,7 @@ static int ssb_pcmcia_cfg_write(struct ssb_bus *bus, u8 offset, u8 value)
 	reg.Action = CS_WRITE;
 	reg.Value = value;
 	res = pcmcia_access_configuration_register(bus->host_pcmcia, &reg);
-	if (unlikely(res != CS_SUCCESS))
+	if (unlikely(res != 0))
 		return -EBUSY;
 
 	return 0;
@@ -96,7 +96,7 @@ static int ssb_pcmcia_cfg_read(struct ssb_bus *bus, u8 offset, u8 *value)
 	reg.Offset = offset;
 	reg.Action = CS_READ;
 	res = pcmcia_access_configuration_register(bus->host_pcmcia, &reg);
-	if (unlikely(res != CS_SUCCESS))
+	if (unlikely(res != 0))
 		return -EBUSY;
 	*value = reg.Value;
 
@@ -638,17 +638,17 @@ int ssb_pcmcia_get_invariants(struct ssb_bus *bus,
 	tuple.TupleData = buf;
 	tuple.TupleDataMax = sizeof(buf);
 	res = pcmcia_get_first_tuple(bus->host_pcmcia, &tuple);
-	GOTO_ERROR_ON(res != CS_SUCCESS, "MAC first tpl");
+	GOTO_ERROR_ON(res != 0, "MAC first tpl");
 	res = pcmcia_get_tuple_data(bus->host_pcmcia, &tuple);
-	GOTO_ERROR_ON(res != CS_SUCCESS, "MAC first tpl data");
+	GOTO_ERROR_ON(res != 0, "MAC first tpl data");
 	while (1) {
 		GOTO_ERROR_ON(tuple.TupleDataLen < 1, "MAC tpl < 1");
 		if (tuple.TupleData[0] == CISTPL_FUNCE_LAN_NODE_ID)
 			break;
 		res = pcmcia_get_next_tuple(bus->host_pcmcia, &tuple);
-		GOTO_ERROR_ON(res != CS_SUCCESS, "MAC next tpl");
+		GOTO_ERROR_ON(res != 0, "MAC next tpl");
 		res = pcmcia_get_tuple_data(bus->host_pcmcia, &tuple);
-		GOTO_ERROR_ON(res != CS_SUCCESS, "MAC next tpl data");
+		GOTO_ERROR_ON(res != 0, "MAC next tpl data");
 	}
 	GOTO_ERROR_ON(tuple.TupleDataLen != ETH_ALEN + 2, "MAC tpl size");
 	memcpy(sprom->il0mac, &tuple.TupleData[2], ETH_ALEN);
@@ -659,9 +659,9 @@ int ssb_pcmcia_get_invariants(struct ssb_bus *bus,
 	tuple.TupleData = buf;
 	tuple.TupleDataMax = sizeof(buf);
 	res = pcmcia_get_first_tuple(bus->host_pcmcia, &tuple);
-	GOTO_ERROR_ON(res != CS_SUCCESS, "VEN first tpl");
+	GOTO_ERROR_ON(res != 0, "VEN first tpl");
 	res = pcmcia_get_tuple_data(bus->host_pcmcia, &tuple);
-	GOTO_ERROR_ON(res != CS_SUCCESS, "VEN first tpl data");
+	GOTO_ERROR_ON(res != 0, "VEN first tpl data");
 	while (1) {
 		GOTO_ERROR_ON(tuple.TupleDataLen < 1, "VEN tpl < 1");
 		switch (tuple.TupleData[0]) {
@@ -733,11 +733,11 @@ int ssb_pcmcia_get_invariants(struct ssb_bus *bus,
 			break;
 		}
 		res = pcmcia_get_next_tuple(bus->host_pcmcia, &tuple);
-		if (res == CS_NO_MORE_ITEMS)
+		if (res == -ENOSPC)
 			break;
-		GOTO_ERROR_ON(res != CS_SUCCESS, "VEN next tpl");
+		GOTO_ERROR_ON(res != 0, "VEN next tpl");
 		res = pcmcia_get_tuple_data(bus->host_pcmcia, &tuple);
-		GOTO_ERROR_ON(res != CS_SUCCESS, "VEN next tpl data");
+		GOTO_ERROR_ON(res != 0, "VEN next tpl data");
 	}
 
 	return 0;