diff options
Diffstat (limited to 'target/linux/brcm63xx/patches-4.9/365-MIPS-BCM63XX-allow-setting-a-pci-bus-device-for-fall.patch')
| -rw-r--r-- | target/linux/brcm63xx/patches-4.9/365-MIPS-BCM63XX-allow-setting-a-pci-bus-device-for-fall.patch | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/target/linux/brcm63xx/patches-4.9/365-MIPS-BCM63XX-allow-setting-a-pci-bus-device-for-fall.patch b/target/linux/brcm63xx/patches-4.9/365-MIPS-BCM63XX-allow-setting-a-pci-bus-device-for-fall.patch new file mode 100644 index 0000000000..40591e5f2e --- /dev/null +++ b/target/linux/brcm63xx/patches-4.9/365-MIPS-BCM63XX-allow-setting-a-pci-bus-device-for-fall.patch @@ -0,0 +1,102 @@ +From f393eaacf178e7e8a61eb11a96edd7dfb35cb49d Mon Sep 17 00:00:00 2001 +From: Jonas Gorski <jogo@openwrt.org> +Date: Thu, 31 Jul 2014 20:39:44 +0200 +Subject: [PATCH 10/10] MIPS: BCM63XX: allow setting a pci bus/device for + fallback sprom + +Warn if the set pci bus/slot does not match the actual request. + +Signed-off-by: Jonas Gorski <jogo@openwrt.org> +--- + arch/mips/bcm63xx/sprom.c | 31 ++++++++++++++++++---- + .../asm/mach-bcm63xx/bcm63xx_fallback_sprom.h | 3 +++ + 2 files changed, 29 insertions(+), 5 deletions(-) + +--- a/arch/mips/bcm63xx/sprom.c ++++ b/arch/mips/bcm63xx/sprom.c +@@ -381,13 +381,25 @@ static __initconst u16 bcm4331_sprom[] = + + #endif /* CONFIG_BCMA_HOST_PCI */ + +-static struct ssb_sprom bcm63xx_sprom; ++struct fallback_sprom_match { ++ u8 pci_bus; ++ u8 pci_dev; ++ struct ssb_sprom sprom; ++}; ++ ++static struct fallback_sprom_match fallback_sprom; + + #if defined(CONFIG_SSB_PCIHOST) + int bcm63xx_get_fallback_ssb_sprom(struct ssb_bus *bus, struct ssb_sprom *out) + { + if (bus->bustype == SSB_BUSTYPE_PCI) { +- memcpy(out, &bcm63xx_sprom, sizeof(struct ssb_sprom)); ++ if (bus->host_pci->bus->number != fallback_sprom.pci_bus || ++ PCI_SLOT(bus->host_pci->devfn) != fallback_sprom.pci_dev) ++ pr_warn("ssb_fallback_sprom: pci bus/device num mismatch: expected %i/%i, but got %i/%i\n", ++ fallback_sprom.pci_bus, fallback_sprom.pci_dev, ++ bus->host_pci->bus->number, ++ PCI_SLOT(bus->host_pci->devfn)); ++ memcpy(out, &fallback_sprom.sprom, sizeof(struct ssb_sprom)); + return 0; + } else { + printk(KERN_ERR PFX "unable to fill SPROM for given bustype.\n"); +@@ -400,7 +412,13 @@ int bcm63xx_get_fallback_ssb_sprom(struc + int bcm63xx_get_fallback_bcma_sprom(struct bcma_bus *bus, struct ssb_sprom *out) + { + if (bus->hosttype == BCMA_HOSTTYPE_PCI) { +- memcpy(out, &bcm63xx_sprom, sizeof(struct ssb_sprom)); ++ if (bus->host_pci->bus->number != fallback_sprom.pci_bus || ++ PCI_SLOT(bus->host_pci->devfn) != fallback_sprom.pci_dev) ++ pr_warn("bcma_fallback_sprom: pci bus/device num mismatch: expected %i/%i, but got %i/%i\n", ++ fallback_sprom.pci_bus, fallback_sprom.pci_dev, ++ bus->host_pci->bus->number, ++ PCI_SLOT(bus->host_pci->devfn)); ++ memcpy(out, &fallback_sprom.sprom, sizeof(struct ssb_sprom)); + return 0; + } else { + printk(KERN_ERR PFX "unable to fill SPROM for given bustype.\n"); +@@ -962,8 +980,8 @@ int __init bcm63xx_register_fallback_spr + break; + #endif + case SPROM_DEFAULT: +- memcpy(&bcm63xx_sprom, &bcm63xx_default_sprom, +- sizeof(bcm63xx_sprom)); ++ memcpy(&fallback_sprom.sprom, &bcm63xx_default_sprom, ++ sizeof(bcm63xx_default_sprom)); + break; + default: + return -EINVAL; +@@ -973,12 +991,15 @@ int __init bcm63xx_register_fallback_spr + sprom_apply_fixups(template_sprom, data->board_fixups, + data->num_board_fixups); + +- sprom_extract(&bcm63xx_sprom, template_sprom, size); ++ sprom_extract(&fallback_sprom.sprom, template_sprom, size); + } + +- memcpy(bcm63xx_sprom.il0mac, data->mac_addr, ETH_ALEN); +- memcpy(bcm63xx_sprom.et0mac, data->mac_addr, ETH_ALEN); +- memcpy(bcm63xx_sprom.et1mac, data->mac_addr, ETH_ALEN); ++ memcpy(fallback_sprom.sprom.il0mac, data->mac_addr, ETH_ALEN); ++ memcpy(fallback_sprom.sprom.et0mac, data->mac_addr, ETH_ALEN); ++ memcpy(fallback_sprom.sprom.et1mac, data->mac_addr, ETH_ALEN); ++ ++ fallback_sprom.pci_bus = data->pci_bus; ++ fallback_sprom.pci_dev = data->pci_dev; + #endif /* defined(CONFIG_SSB_PCIHOST) || defined(CONFIG_BCMA_HOST_PCI) */ + + #if defined(CONFIG_SSB_PCIHOST) +--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_fallback_sprom.h ++++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_fallback_sprom.h +@@ -30,6 +30,9 @@ struct fallback_sprom_data { + u8 mac_addr[ETH_ALEN]; + enum sprom_type type; + ++ u8 pci_bus; ++ u8 pci_dev; ++ + struct sprom_fixup *board_fixups; + unsigned int num_board_fixups; + }; |