diff options
Diffstat (limited to 'arch/powerpc/kernel')
| -rw-r--r-- | arch/powerpc/kernel/head_64.S | 7 | ||||
| -rw-r--r-- | arch/powerpc/kernel/iomap.c | 8 | ||||
| -rw-r--r-- | arch/powerpc/kernel/pci-common.c | 23 | ||||
| -rw-r--r-- | arch/powerpc/kernel/prom_parse.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/kernel/setup-common.c | 4 |
5 files changed, 39 insertions, 5 deletions
diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S index 8cdd48ea439..1448af92c6a 100644 --- a/arch/powerpc/kernel/head_64.S +++ b/arch/powerpc/kernel/head_64.S @@ -809,8 +809,9 @@ system_reset_iSeries: mtmsrd r24 /* RI on */ lhz r24,PACAPACAINDEX(r13) /* Get processor # */ cmpwi 0,r24,0 /* Are we processor 0? */ - beq .__start_initialization_iSeries /* Start up the first processor */ - mfspr r4,SPRN_CTRLF + bne 1f + b .__start_initialization_iSeries /* Start up the first processor */ +1: mfspr r4,SPRN_CTRLF li r5,CTRL_RUNLATCH /* Turn off the run light */ andc r4,r4,r5 mtspr SPRN_CTRLT,r4 @@ -1611,7 +1612,7 @@ _GLOBAL(generic_secondary_smp_init) #endif #ifdef CONFIG_PPC_ISERIES -_STATIC(__start_initialization_iSeries) +_INIT_STATIC(__start_initialization_iSeries) /* Clear out the BSS */ LOAD_REG_IMMEDIATE(r11,__bss_stop) LOAD_REG_IMMEDIATE(r8,__bss_start) diff --git a/arch/powerpc/kernel/iomap.c b/arch/powerpc/kernel/iomap.c index 601ef79a591..2a5cf868037 100644 --- a/arch/powerpc/kernel/iomap.c +++ b/arch/powerpc/kernel/iomap.c @@ -7,6 +7,7 @@ #include <linux/pci.h> #include <linux/mm.h> #include <asm/io.h> +#include <asm/pci-bridge.h> /* * Here comes the ppc64 implementation of the IOMAP @@ -136,7 +137,12 @@ void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max) void pci_iounmap(struct pci_dev *dev, void __iomem *addr) { - /* Nothing to do */ + if (isa_vaddr_is_ioport(addr)) + return; + if (pcibios_vaddr_is_ioport(addr)) + return; + iounmap(addr); } + EXPORT_SYMBOL(pci_iomap); EXPORT_SYMBOL(pci_iounmap); diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c index 7b41a99baae..083cfbdbe0b 100644 --- a/arch/powerpc/kernel/pci-common.c +++ b/arch/powerpc/kernel/pci-common.c @@ -101,6 +101,29 @@ void pcibios_free_controller(struct pci_controller *phb) kfree(phb); } +int pcibios_vaddr_is_ioport(void __iomem *address) +{ + int ret = 0; + struct pci_controller *hose; + unsigned long size; + + spin_lock(&hose_spinlock); + list_for_each_entry(hose, &hose_list, list_node) { +#ifdef CONFIG_PPC64 + size = hose->pci_io_size; +#else + size = hose->io_resource.end - hose->io_resource.start + 1; +#endif + if (address >= hose->io_base_virt && + address < (hose->io_base_virt + size)) { + ret = 1; + break; + } + } + spin_unlock(&hose_spinlock); + return ret; +} + /* * Return the domain number for this bus. */ diff --git a/arch/powerpc/kernel/prom_parse.c b/arch/powerpc/kernel/prom_parse.c index 3786dcc8a7b..b5c96af955c 100644 --- a/arch/powerpc/kernel/prom_parse.c +++ b/arch/powerpc/kernel/prom_parse.c @@ -24,7 +24,7 @@ /* Max address size we deal with */ #define OF_MAX_ADDR_CELLS 4 #define OF_CHECK_COUNTS(na, ns) ((na) > 0 && (na) <= OF_MAX_ADDR_CELLS && \ - (ns) >= 0) + (ns) > 0) static struct of_bus *of_match_bus(struct device_node *np); static int __of_address_to_resource(struct device_node *dev, diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c index 4924c48cb1f..50ef38cffdb 100644 --- a/arch/powerpc/kernel/setup-common.c +++ b/arch/powerpc/kernel/setup-common.c @@ -496,6 +496,10 @@ int check_legacy_ioport(unsigned long base_port) break; } np = of_find_node_by_type(NULL, "8042"); + /* Pegasos has no device_type on its 8042 node, look for the + * name instead */ + if (!np) + np = of_find_node_by_name(NULL, "8042"); break; case FDC_BASE: /* FDC1 */ np = of_find_node_by_type(NULL, "fdc"); |