5 files changed, 20 insertions, 19 deletions

diff --git a/arch/mips/pci/fixup-ath79.c b/arch/mips/pci/fixup-ath79.c
index 09a4ce5342..6a6c4f58f7 100644
--- a/arch/mips/pci/fixup-ath79.c
+++ b/arch/mips/pci/fixup-ath79.c
@@ -9,7 +9,7 @@
 
 int pcibios_plat_dev_init(struct pci_dev *dev)
 {
-	return PCIBIOS_SUCCESSFUL;
+	return 0;
 }
 
 int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
diff --git a/arch/mips/pci/fixup-lantiq.c b/arch/mips/pci/fixup-lantiq.c
index 1300966620..8bcc136976 100644
--- a/arch/mips/pci/fixup-lantiq.c
+++ b/arch/mips/pci/fixup-lantiq.c
@@ -7,17 +7,8 @@
 #include <linux/of_pci.h>
 #include <linux/pci.h>
 
-int (*ltq_pci_plat_arch_init)(struct pci_dev *dev) = NULL;
-int (*ltq_pci_plat_dev_init)(struct pci_dev *dev) = NULL;
-
 int pcibios_plat_dev_init(struct pci_dev *dev)
 {
-	if (ltq_pci_plat_arch_init)
-		return ltq_pci_plat_arch_init(dev);
-
-	if (ltq_pci_plat_dev_init)
-		return ltq_pci_plat_dev_init(dev);
-
 	return 0;
 }
 
diff --git a/arch/mips/pci/ops-rc32434.c b/arch/mips/pci/ops-rc32434.c
index 874ed6df97..34b9323bda 100644
--- a/arch/mips/pci/ops-rc32434.c
+++ b/arch/mips/pci/ops-rc32434.c
@@ -112,8 +112,8 @@ retry:
 	 * gives them time to settle
 	 */
 	if (where == PCI_VENDOR_ID) {
-		if (ret == 0xffffffff || ret == 0x00000000 ||
-		    ret == 0x0000ffff || ret == 0xffff0000) {
+		if (*val == 0xffffffff || *val == 0x00000000 ||
+		    *val == 0x0000ffff || *val == 0xffff0000) {
 			if (delay > 4)
 				return 0;
 			delay *= 2;
diff --git a/arch/mips/pci/ops-tx4927.c b/arch/mips/pci/ops-tx4927.c
index f7802f1004..37087f4137 100644
--- a/arch/mips/pci/ops-tx4927.c
+++ b/arch/mips/pci/ops-tx4927.c
@@ -60,7 +60,7 @@ static int mkaddr(struct pci_bus *bus, unsigned int devfn, int where,
 {
 	if (bus->parent == NULL &&
 	    devfn >= PCI_DEVFN(TX4927_PCIC_MAX_DEVNU, 0))
-		return -1;
+		return PCIBIOS_DEVICE_NOT_FOUND;
 	__raw_writel(((bus->number & 0xff) << 0x10)
 		     | ((devfn & 0xff) << 0x08) | (where & 0xfc)
 		     | (bus->parent ? 1 : 0),
@@ -69,7 +69,7 @@ static int mkaddr(struct pci_bus *bus, unsigned int devfn, int where,
 	__raw_writel((__raw_readl(&pcicptr->pcistatus) & 0x0000ffff)
 		     | (PCI_STATUS_REC_MASTER_ABORT << 16),
 		     &pcicptr->pcistatus);
-	return 0;
+	return PCIBIOS_SUCCESSFUL;
 }
 
 static int check_abort(struct tx4927_pcic_reg __iomem *pcicptr)
@@ -140,10 +140,12 @@ static int tx4927_pci_config_read(struct pci_bus *bus, unsigned int devfn,
 				  int where, int size, u32 *val)
 {
 	struct tx4927_pcic_reg __iomem *pcicptr = pci_bus_to_pcicptr(bus);
+	int ret;
 
-	if (mkaddr(bus, devfn, where, pcicptr)) {
-		*val = 0xffffffff;
-		return -1;
+	ret = mkaddr(bus, devfn, where, pcicptr);
+	if (ret != PCIBIOS_SUCCESSFUL) {
+		PCI_SET_ERROR_RESPONSE(val);
+		return ret;
 	}
 	switch (size) {
 	case 1:
@@ -162,9 +164,11 @@ static int tx4927_pci_config_write(struct pci_bus *bus, unsigned int devfn,
 				   int where, int size, u32 val)
 {
 	struct tx4927_pcic_reg __iomem *pcicptr = pci_bus_to_pcicptr(bus);
+	int ret;
 
-	if (mkaddr(bus, devfn, where, pcicptr))
-		return -1;
+	ret = mkaddr(bus, devfn, where, pcicptr);
+	if (ret != PCIBIOS_SUCCESSFUL)
+		return ret;
 	switch (size) {
 	case 1:
 		icd_writeb(val, where & 3, pcicptr);
diff --git a/arch/mips/pci/pcie-octeon.c b/arch/mips/pci/pcie-octeon.c
index 2583e318e8..b080c7c6cc 100644..100755
--- a/arch/mips/pci/pcie-octeon.c
+++ b/arch/mips/pci/pcie-octeon.c
@@ -230,12 +230,18 @@ static inline uint64_t __cvmx_pcie_build_config_addr(int pcie_port, int bus,
 {
 	union cvmx_pcie_address pcie_addr;
 	union cvmx_pciercx_cfg006 pciercx_cfg006;
+	union cvmx_pciercx_cfg032 pciercx_cfg032;
 
 	pciercx_cfg006.u32 =
 	    cvmx_pcie_cfgx_read(pcie_port, CVMX_PCIERCX_CFG006(pcie_port));
 	if ((bus <= pciercx_cfg006.s.pbnum) && (dev != 0))
 		return 0;
 
+	pciercx_cfg032.u32 =
+		cvmx_pcie_cfgx_read(pcie_port, CVMX_PCIERCX_CFG032(pcie_port));
+	if ((pciercx_cfg032.s.dlla == 0) || (pciercx_cfg032.s.lt == 1))
+		return 0;
+
 	pcie_addr.u64 = 0;
 	pcie_addr.config.upper = 2;
 	pcie_addr.config.io = 1;