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

* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (32 commits)
  MIPS: Wire up accept4 syscall.
  MIPS: VPE: Delete unused function get_tc_unused().
  MIPS: VPE: Fix bogus indentation.
  MIPS: VPE: Make various functions static.
  MIPS: VPE: Free relocation chain on error.
  MIPS: VPE: Fix compiler warning.
  MIPS: Module: Make error messages unique.
  MIPS: Octeon: Run IPI code with interrupts disabled.
  MIPS: Jazz: Fix read buffer overflow
  MIPS: Use DIV_ROUND_CLOSEST
  MIPS: MTX-1: Request button GPIO before setting its direction
  MIPS: AR7: Override CFLAGS with -Werror
  MIPS: AR7: Remove unused tnetd7200_get_clock function
  MIPS: AR7: Use DMA_BIT_MASK(nn) instead of deprecated DMA_nnBIT_MASK
  MIPS: AR7: Fix build failures when CONFIG_SERIAL_8250 is not enabled
  MIPS: Fix read buffer overflow
  MIPS: AR7: Fix build warning on memory.c
  MIPS: Octeon PCIe: Make hardware and software bus numbers match.
  MIPS: RBTX4939: Fix IOC pin-enable register updating
  MIPS: Simplify and correct interrupt handling for MSP4200
  ...

8 files changed, 17 insertions, 31 deletions

diff --git a/arch/mips/pci/fixup-emma2rh.c b/arch/mips/pci/fixup-emma2rh.c
index fba5aad00d51..0d9ccf4dfc5a 100644
--- a/arch/mips/pci/fixup-emma2rh.c
+++ b/arch/mips/pci/fixup-emma2rh.c
@@ -1,7 +1,4 @@
 /*
- *  arch/mips/pci/fixup-emma2rh.c
- *      This file defines the PCI configration.
- *
  *  Copyright (C) NEC Electronics Corporation 2004-2006
  *
  *  This file is based on the arch/mips/ddb5xxx/ddb5477/pci.c
diff --git a/arch/mips/pci/fixup-sb1250.c b/arch/mips/pci/fixup-sb1250.c
index 0ad39e53f7b1..f0bb9146e6c0 100644
--- a/arch/mips/pci/fixup-sb1250.c
+++ b/arch/mips/pci/fixup-sb1250.c
@@ -1,6 +1,4 @@
 /*
- *	arch/mips/pci/fixup-sb1250.c
- *
  *	Copyright (C) 2004, 2006  MIPS Technologies, Inc.  All rights reserved.
  *	    Author:	Maciej W. Rozycki <macro@mips.com>
  *
diff --git a/arch/mips/pci/ops-emma2rh.c b/arch/mips/pci/ops-emma2rh.c
index 5947a70b0b7f..710aef5c070e 100644
--- a/arch/mips/pci/ops-emma2rh.c
+++ b/arch/mips/pci/ops-emma2rh.c
@@ -1,7 +1,4 @@
 /*
- *  arch/mips/pci/ops-emma2rh.c
- *      This file defines the PCI operation for EMMA2RH.
- *
  *  Copyright (C) NEC Electronics Corporation 2004-2006
  *
  *  This file is based on the arch/mips/pci/ops-vr41xx.c
diff --git a/arch/mips/pci/pci-emma2rh.c b/arch/mips/pci/pci-emma2rh.c
index 2df4190232cd..773e34ff4d1c 100644
--- a/arch/mips/pci/pci-emma2rh.c
+++ b/arch/mips/pci/pci-emma2rh.c
@@ -1,7 +1,4 @@
 /*
- *  arch/mips/pci/pci-emma2rh.c
- *      This file defines the PCI configration.
- *
  *  Copyright (C) NEC Electronics Corporation 2004-2006
  *
  *  This file is based on the arch/mips/ddb5xxx/ddb5477/pci.c
diff --git a/arch/mips/pci/pci-tx4927.c b/arch/mips/pci/pci-tx4927.c
index aaa900596792..a5807406a7f1 100644
--- a/arch/mips/pci/pci-tx4927.c
+++ b/arch/mips/pci/pci-tx4927.c
@@ -1,6 +1,4 @@
 /*
- * linux/arch/mips/pci/pci-tx4927.c
- *
  * Based on linux/arch/mips/txx9/rbtx4938/setup.c,
  *	    and RBTX49xx patch from CELF patch archive.
  *
diff --git a/arch/mips/pci/pci-tx4938.c b/arch/mips/pci/pci-tx4938.c
index 1ea257bc3b8f..20e45f30b2ef 100644
--- a/arch/mips/pci/pci-tx4938.c
+++ b/arch/mips/pci/pci-tx4938.c
@@ -1,6 +1,4 @@
 /*
- * linux/arch/mips/pci/pci-tx4938.c
- *
  * Based on linux/arch/mips/txx9/rbtx4938/setup.c,
  *	    and RBTX49xx patch from CELF patch archive.
  *
diff --git a/arch/mips/pci/pci-tx4939.c b/arch/mips/pci/pci-tx4939.c
index 5fecf1cdc325..9ef840693baf 100644
--- a/arch/mips/pci/pci-tx4939.c
+++ b/arch/mips/pci/pci-tx4939.c
@@ -1,6 +1,4 @@
 /*
- * linux/arch/mips/pci/pci-tx4939.c
- *
  * Based on linux/arch/mips/txx9/rbtx4939/setup.c,
  *	    and RBTX49xx patch from CELF patch archive.
  *
diff --git a/arch/mips/pci/pcie-octeon.c b/arch/mips/pci/pcie-octeon.c
index 75262247f3e4..6aa5c542d52d 100644
--- a/arch/mips/pci/pcie-octeon.c
+++ b/arch/mips/pci/pcie-octeon.c
@@ -1040,19 +1040,29 @@ static inline int octeon_pcie_read_config(int pcie_port, struct pci_bus *bus,
 	int bus_number = bus->number;
 
 	/*
-	 * We need to force the bus number to be zero on the root
-	 * bus. Linux numbers the 2nd root bus to start after all
-	 * buses on root 0.
+	 * For the top level bus make sure our hardware bus number
+	 * matches the software one.
 	 */
-	if (bus->parent == NULL)
-		bus_number = 0;
+	if (bus->parent == NULL) {
+		union cvmx_pciercx_cfg006 pciercx_cfg006;
+		pciercx_cfg006.u32 = cvmx_pcie_cfgx_read(pcie_port,
+			CVMX_PCIERCX_CFG006(pcie_port));
+		if (pciercx_cfg006.s.pbnum != bus_number) {
+			pciercx_cfg006.s.pbnum = bus_number;
+			pciercx_cfg006.s.sbnum = bus_number;
+			pciercx_cfg006.s.subbnum = bus_number;
+			cvmx_pcie_cfgx_write(pcie_port,
+				CVMX_PCIERCX_CFG006(pcie_port),
+				pciercx_cfg006.u32);
+		}
+	}
 
 	/*
 	 * PCIe only has a single device connected to Octeon. It is
 	 * always device ID 0. Don't bother doing reads for other
 	 * device IDs on the first segment.
 	 */
-	if ((bus_number == 0) && (devfn >> 3 != 0))
+	if ((bus->parent == NULL) && (devfn >> 3 != 0))
 		return PCIBIOS_FUNC_NOT_SUPPORTED;
 
 	/*
@@ -1070,7 +1080,7 @@ static inline int octeon_pcie_read_config(int pcie_port, struct pci_bus *bus,
 		 * bridge only respondes to device ID 0, function
 		 * 0-1
 		 */
-		if ((bus_number == 0) && (devfn >= 2))
+		if ((bus->parent == NULL) && (devfn >= 2))
 			return PCIBIOS_FUNC_NOT_SUPPORTED;
 		/*
 		 * The PCI-X slots are device ID 2,3. Choose one of
@@ -1167,13 +1177,6 @@ static inline int octeon_pcie_write_config(int pcie_port, struct pci_bus *bus,
 					   int size, u32 val)
 {
 	int bus_number = bus->number;
-	/*
-	 * We need to force the bus number to be zero on the root
-	 * bus. Linux numbers the 2nd root bus to start after all
-	 * busses on root 0.
-	 */
-	if (bus->parent == NULL)
-		bus_number = 0;
 
 	switch (size) {
 	case 4: