diff options
| -rw-r--r-- | arch/powerpc/kernel/pci_dn.c | 5 | ||||
| -rw-r--r-- | arch/powerpc/platforms/iseries/pci.c | 12 | ||||
| -rw-r--r-- | include/asm-powerpc/pci-bridge.h | 1 |
3 files changed, 7 insertions, 11 deletions
diff --git a/arch/powerpc/kernel/pci_dn.c b/arch/powerpc/kernel/pci_dn.c index 85d4d8924b5..1c67de52e3c 100644 --- a/arch/powerpc/kernel/pci_dn.c +++ b/arch/powerpc/kernel/pci_dn.c @@ -56,11 +56,6 @@ static void * __devinit update_dn_pci_info(struct device_node *dn, void *data) pdn->busno = (regs[0] >> 16) & 0xff; pdn->devfn = (regs[0] >> 8) & 0xff; } - if (firmware_has_feature(FW_FEATURE_ISERIES)) { - const u32 *busp = of_get_property(dn, "linux,subbus", NULL); - if (busp) - pdn->bussubno = *busp; - } pdn->pci_ext_config_space = (type && *type == 1); return NULL; diff --git a/arch/powerpc/platforms/iseries/pci.c b/arch/powerpc/platforms/iseries/pci.c index 931941036b9..cc562e4c2f3 100644 --- a/arch/powerpc/platforms/iseries/pci.c +++ b/arch/powerpc/platforms/iseries/pci.c @@ -29,6 +29,7 @@ #include <linux/init.h> #include <linux/module.h> #include <linux/pci.h> +#include <linux/of.h> #include <asm/types.h> #include <asm/io.h> @@ -70,7 +71,7 @@ static long current_iomm_table_entry; * Lookup Tables. */ static struct device_node *iomm_table[IOMM_TABLE_MAX_ENTRIES]; -static u8 iobar_table[IOMM_TABLE_MAX_ENTRIES]; +static u64 ds_addr_table[IOMM_TABLE_MAX_ENTRIES]; static DEFINE_SPINLOCK(iomm_table_lock); @@ -80,8 +81,9 @@ static DEFINE_SPINLOCK(iomm_table_lock); static inline u64 iseries_ds_addr(struct device_node *node) { struct pci_dn *pdn = PCI_DN(node); + const u32 *sbp = of_get_property(node, "linux,subbus", NULL); - return ((u64)pdn->busno << 48) + ((u64)pdn->bussubno << 40) + return ((u64)pdn->busno << 48) + ((u64)(sbp ? *sbp : 0) << 40) + ((u64)0x10 << 32); } @@ -333,7 +335,8 @@ static void __init iomm_table_allocate_entry(struct pci_dev *dev, int bar_num) */ while (bar_size > 0 ) { iomm_table[current_iomm_table_entry] = dev->sysdata; - iobar_table[current_iomm_table_entry] = bar_num; + ds_addr_table[current_iomm_table_entry] = + iseries_ds_addr(dev->sysdata) | (bar_num << 24); bar_size -= IOMM_TABLE_ENTRY_SIZE; ++current_iomm_table_entry; } @@ -598,8 +601,7 @@ static inline struct device_node *xlate_iomm_address( dn = iomm_table[ind]; if (dn != NULL) { - int barnum = iobar_table[ind]; - *dsaptr = iseries_ds_addr(dn) | (barnum << 24); + *dsaptr = ds_addr_table[ind]; *bar_offset = base_addr % IOMM_TABLE_ENTRY_SIZE; } else panic("PCI: Invalid PCI IO address detected!\n"); diff --git a/include/asm-powerpc/pci-bridge.h b/include/asm-powerpc/pci-bridge.h index 29324047779..a6ea49eb680 100644 --- a/include/asm-powerpc/pci-bridge.h +++ b/include/asm-powerpc/pci-bridge.h @@ -165,7 +165,6 @@ struct iommu_table; struct pci_dn { int busno; /* pci bus number */ - int bussubno; /* pci subordinate bus number */ int devfn; /* pci device and function number */ struct pci_controller *phb; /* for pci devices */ |