Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus

* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
  [MIPS] SB1: Check for -mno-sched-prolog if building corelis debug kernel.
  [MIPS] Sibyte: Fix race in sb1250_gettimeoffset().
  [MIPS] Sibyte: Fix interrupt timer off by one bug.
  [MIPS] Sibyte: Fix M_SCD_TIMER_INIT and M_SCD_TIMER_CNT wrong field width.
  [MIPS] Protect more of timer_interrupt() by xtime_lock.
  [MIPS] Work around bad code generation for <asm/io.h>.
  [MIPS] Simple patch to power off DBAU1200
  [MIPS] Fix DBAu1550 software power off.
  [MIPS] local_r4k_flush_cache_page fix
  [MIPS] SB1: Fix interrupt disable hazard.
  [MIPS] Get rid of the IP22-specific code in arclib.
  Update MAINTAINERS entry for MIPS.
diff --git a/drivers/media/video/cx88/Kconfig b/drivers/media/video/cx88/Kconfig
index e99dfbb..87d79df 100644
--- a/drivers/media/video/cx88/Kconfig
+++ b/drivers/media/video/cx88/Kconfig
@@ -15,20 +15,6 @@
 	  To compile this driver as a module, choose M here: the
 	  module will be called cx8800
 
-config VIDEO_CX88_DVB
-	tristate "DVB/ATSC Support for cx2388x based TV cards"
-	depends on VIDEO_CX88 && DVB_CORE
-	select VIDEO_BUF_DVB
-	---help---
-	  This adds support for DVB/ATSC cards based on the
-	  Connexant 2388x chip.
-
-	  To compile this driver as a module, choose M here: the
-	  module will be called cx88-dvb.
-
-	  You must also select one or more DVB/ATSC demodulators.
-	  If you are unsure which you need, choose all of them.
-
 config VIDEO_CX88_ALSA
 	tristate "ALSA DMA audio support"
 	depends on VIDEO_CX88 && SND && EXPERIMENTAL
@@ -44,6 +30,20 @@
 	  To compile this driver as a module, choose M here: the
 	  module will be called cx88-alsa.
 
+config VIDEO_CX88_DVB
+	tristate "DVB/ATSC Support for cx2388x based TV cards"
+	depends on VIDEO_CX88 && DVB_CORE
+	select VIDEO_BUF_DVB
+	---help---
+	  This adds support for DVB/ATSC cards based on the
+	  Connexant 2388x chip.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called cx88-dvb.
+
+	  You must also select one or more DVB/ATSC demodulators.
+	  If you are unsure which you need, choose all of them.
+
 config VIDEO_CX88_DVB_ALL_FRONTENDS
 	bool "Build all supported frontends for cx2388x based TV cards"
 	default y
diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c
index 94a14a2..5b26780 100644
--- a/drivers/media/video/em28xx/em28xx-video.c
+++ b/drivers/media/video/em28xx/em28xx-video.c
@@ -367,6 +367,9 @@
 	em28xx_capture_start(dev, 1);
 	em28xx_resolution_set(dev);
 
+	/* device needs to be initialized before isoc transfer */
+	video_mux(dev, 0);
+
 	/* start the transfer */
 	errCode = em28xx_init_isoc(dev);
 	if (errCode)
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index b8f1524..caf4102 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -9552,12 +9552,36 @@
 		}
 	}
 
-	/* Find msi capability. */
+	/* The EPB bridge inside 5714, 5715, and 5780 cannot support
+	 * DMA addresses > 40-bit. This bridge may have other additional
+	 * 57xx devices behind it in some 4-port NIC designs for example.
+	 * Any tg3 device found behind the bridge will also need the 40-bit
+	 * DMA workaround.
+	 */
 	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5780 ||
 	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5714) {
 		tp->tg3_flags2 |= TG3_FLG2_5780_CLASS;
+		tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
 		tp->msi_cap = pci_find_capability(tp->pdev, PCI_CAP_ID_MSI);
 	}
+	else {
+		struct pci_dev *bridge = NULL;
+
+		do {
+			bridge = pci_get_device(PCI_VENDOR_ID_SERVERWORKS,
+						PCI_DEVICE_ID_SERVERWORKS_EPB,
+						bridge);
+			if (bridge && bridge->subordinate &&
+			    (bridge->subordinate->number <=
+			     tp->pdev->bus->number) &&
+			    (bridge->subordinate->subordinate >=
+			     tp->pdev->bus->number)) {
+				tp->tg3_flags |= TG3_FLAG_40BIT_DMA_BUG;
+				pci_dev_put(bridge);
+				break;
+			}
+		} while (bridge);
+	}
 
 	/* Initialize misc host control in PCI block. */
 	tp->misc_host_ctrl |= (misc_ctrl_reg &
@@ -10303,7 +10327,14 @@
 		    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {
 			u32 ccval = (tr32(TG3PCI_CLOCK_CTRL) & 0x1f);
 
-			if (ccval == 0x6 || ccval == 0x7)
+			/* If the 5704 is behind the EPB bridge, we can
+			 * do the less restrictive ONE_DMA workaround for
+			 * better performance.
+			 */
+			if ((tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) &&
+			    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704)
+				tp->dma_rwctrl |= 0x8000;
+			else if (ccval == 0x6 || ccval == 0x7)
 				tp->dma_rwctrl |= DMA_RWCTRL_ONE_DMA;
 
 			/* Set bit 23 to enable PCIX hw bug fix */
@@ -10759,19 +10790,20 @@
 		goto err_out_iounmap;
 	}
 
-	/* 5714, 5715 and 5780 cannot support DMA addresses > 40-bit.
+	/* The EPB bridge inside 5714, 5715, and 5780 and any
+	 * device behind the EPB cannot support DMA addresses > 40-bit.
 	 * On 64-bit systems with IOMMU, use 40-bit dma_mask.
 	 * On 64-bit systems without IOMMU, use 64-bit dma_mask and
 	 * do DMA address check in tg3_start_xmit().
 	 */
-	if (tp->tg3_flags2 & TG3_FLG2_5780_CLASS) {
+	if (tp->tg3_flags2 & TG3_FLG2_IS_5788)
+		persist_dma_mask = dma_mask = DMA_32BIT_MASK;
+	else if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) {
 		persist_dma_mask = dma_mask = DMA_40BIT_MASK;
 #ifdef CONFIG_HIGHMEM
 		dma_mask = DMA_64BIT_MASK;
 #endif
-	} else if (tp->tg3_flags2 & TG3_FLG2_IS_5788)
-		persist_dma_mask = dma_mask = DMA_32BIT_MASK;
-	else
+	} else
 		persist_dma_mask = dma_mask = DMA_64BIT_MASK;
 
 	/* Configure DMA attributes. */
@@ -10908,8 +10940,10 @@
 	       (tp->tg3_flags & TG3_FLAG_SPLIT_MODE) != 0,
 	       (tp->tg3_flags2 & TG3_FLG2_NO_ETH_WIRE_SPEED) == 0,
 	       (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) != 0);
-	printk(KERN_INFO "%s: dma_rwctrl[%08x]\n",
-	       dev->name, tp->dma_rwctrl);
+	printk(KERN_INFO "%s: dma_rwctrl[%08x] dma_mask[%d-bit]\n",
+	       dev->name, tp->dma_rwctrl,
+	       (pdev->dma_mask == DMA_32BIT_MASK) ? 32 :
+	        (((u64) pdev->dma_mask == DMA_40BIT_MASK) ? 40 : 64));
 
 	return 0;
 
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 7f4b7f6..7e3b613 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -2163,6 +2163,7 @@
 #define TG3_FLAG_10_100_ONLY		0x01000000
 #define TG3_FLAG_PAUSE_AUTONEG		0x02000000
 #define TG3_FLAG_IN_RESET_TASK		0x04000000
+#define TG3_FLAG_40BIT_DMA_BUG		0x08000000
 #define TG3_FLAG_BROKEN_CHECKSUMS	0x10000000
 #define TG3_FLAG_GOT_SERDES_FLOWCTL	0x20000000
 #define TG3_FLAG_SPLIT_MODE		0x40000000
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 1709b50..751eea5 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -1365,6 +1365,7 @@
 #define PCI_DEVICE_ID_SERVERWORKS_HE	  0x0008
 #define PCI_DEVICE_ID_SERVERWORKS_LE	  0x0009
 #define PCI_DEVICE_ID_SERVERWORKS_GCNB_LE 0x0017
+#define PCI_DEVICE_ID_SERVERWORKS_EPB	  0x0103
 #define PCI_DEVICE_ID_SERVERWORKS_OSB4	  0x0200
 #define PCI_DEVICE_ID_SERVERWORKS_CSB5	  0x0201
 #define PCI_DEVICE_ID_SERVERWORKS_CSB6    0x0203
diff --git a/include/net/ax25.h b/include/net/ax25.h
index 2250a18..d052b22 100644
--- a/include/net/ax25.h
+++ b/include/net/ax25.h
@@ -110,8 +110,15 @@
 enum {
 	AX25_PROTO_STD_SIMPLEX,
 	AX25_PROTO_STD_DUPLEX,
+#ifdef CONFIG_AX25_DAMA_SLAVE
 	AX25_PROTO_DAMA_SLAVE,
-	AX25_PROTO_DAMA_MASTER
+#ifdef CONFIG_AX25_DAMA_MASTER
+	AX25_PROTO_DAMA_MASTER,
+#define AX25_PROTO_MAX AX25_PROTO_DAMA_MASTER
+#endif
+#endif
+	__AX25_PROTO_MAX,
+	AX25_PROTO_MAX = __AX25_PROTO_MAX -1
 };
 
 enum {
diff --git a/kernel/fork.c b/kernel/fork.c
index 46060cb..b373322 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1478,9 +1478,7 @@
 
 	if ((unshare_flags & CLONE_VM) &&
 	    (mm && atomic_read(&mm->mm_users) > 1)) {
-		*new_mmp = dup_mm(current);
-		if (!*new_mmp)
-			return -ENOMEM;
+		return -EINVAL;
 	}
 
 	return 0;
diff --git a/net/ax25/sysctl_net_ax25.c b/net/ax25/sysctl_net_ax25.c
index f67711f..894a225 100644
--- a/net/ax25/sysctl_net_ax25.c
+++ b/net/ax25/sysctl_net_ax25.c
@@ -24,7 +24,7 @@
 static int min_idle[1],  		max_idle[] = {65535 * HZ};
 static int min_n2[] = {1},		max_n2[] = {31};
 static int min_paclen[] = {1},		max_paclen[] = {512};
-static int min_proto[1],		max_proto[] = {3};
+static int min_proto[1],		max_proto[] = { AX25_PROTO_MAX };
 static int min_ds_timeout[1],   	max_ds_timeout[] = {65535 * HZ};
 
 static struct ctl_table_header *ax25_table_header;