diff options
Diffstat (limited to 'arch/ia64')
| -rw-r--r-- | arch/ia64/hp/common/sba_iommu.c | 64 | ||||
| -rw-r--r-- | arch/ia64/include/uapi/asm/fcntl.h | 1 |
2 files changed, 38 insertions, 27 deletions
diff --git a/arch/ia64/hp/common/sba_iommu.c b/arch/ia64/hp/common/sba_iommu.c index 1a871b78e570..344387a55406 100644 --- a/arch/ia64/hp/common/sba_iommu.c +++ b/arch/ia64/hp/common/sba_iommu.c @@ -242,7 +242,7 @@ struct ioc { struct pci_dev *sac_only_dev; }; -static struct ioc *ioc_list; +static struct ioc *ioc_list, *ioc_found; static int reserve_sba_gart = 1; static SBA_INLINE void sba_mark_invalid(struct ioc *, dma_addr_t, size_t); @@ -1809,20 +1809,13 @@ static struct ioc_iommu ioc_iommu_info[] __initdata = { { SX2000_IOC_ID, "sx2000", NULL }, }; -static struct ioc * -ioc_init(unsigned long hpa, void *handle) +static void ioc_init(unsigned long hpa, struct ioc *ioc) { - struct ioc *ioc; struct ioc_iommu *info; - ioc = kzalloc(sizeof(*ioc), GFP_KERNEL); - if (!ioc) - return NULL; - ioc->next = ioc_list; ioc_list = ioc; - ioc->handle = handle; ioc->ioc_hpa = ioremap(hpa, 0x1000); ioc->func_id = READ_REG(ioc->ioc_hpa + IOC_FUNC_ID); @@ -1863,8 +1856,6 @@ ioc_init(unsigned long hpa, void *handle) "%s %d.%d HPA 0x%lx IOVA space %dMb at 0x%lx\n", ioc->name, (ioc->rev >> 4) & 0xF, ioc->rev & 0xF, hpa, ioc->iov_size >> 20, ioc->ibase); - - return ioc; } @@ -2031,22 +2022,21 @@ sba_map_ioc_to_node(struct ioc *ioc, acpi_handle handle) #endif } -static int -acpi_sba_ioc_add(struct acpi_device *device, - const struct acpi_device_id *not_used) +static void acpi_sba_ioc_add(struct ioc *ioc) { - struct ioc *ioc; + acpi_handle handle = ioc->handle; acpi_status status; u64 hpa, length; struct acpi_device_info *adi; - status = hp_acpi_csr_space(device->handle, &hpa, &length); + ioc_found = ioc->next; + status = hp_acpi_csr_space(handle, &hpa, &length); if (ACPI_FAILURE(status)) - return 1; + goto err; - status = acpi_get_object_info(device->handle, &adi); + status = acpi_get_object_info(handle, &adi); if (ACPI_FAILURE(status)) - return 1; + goto err; /* * For HWP0001, only SBA appears in ACPI namespace. It encloses the PCI @@ -2067,13 +2057,13 @@ acpi_sba_ioc_add(struct acpi_device *device, if (!iovp_shift) iovp_shift = 12; - ioc = ioc_init(hpa, device->handle); - if (!ioc) - return 1; - + ioc_init(hpa, ioc); /* setup NUMA node association */ - sba_map_ioc_to_node(ioc, device->handle); - return 0; + sba_map_ioc_to_node(ioc, handle); + return; + + err: + kfree(ioc); } static const struct acpi_device_id hp_ioc_iommu_device_ids[] = { @@ -2081,9 +2071,26 @@ static const struct acpi_device_id hp_ioc_iommu_device_ids[] = { {"HWP0004", 0}, {"", 0}, }; + +static int acpi_sba_ioc_attach(struct acpi_device *device, + const struct acpi_device_id *not_used) +{ + struct ioc *ioc; + + ioc = kzalloc(sizeof(*ioc), GFP_KERNEL); + if (!ioc) + return -ENOMEM; + + ioc->next = ioc_found; + ioc_found = ioc; + ioc->handle = device->handle; + return 1; +} + + static struct acpi_scan_handler acpi_sba_ioc_handler = { .ids = hp_ioc_iommu_device_ids, - .attach = acpi_sba_ioc_add, + .attach = acpi_sba_ioc_attach, }; static int __init acpi_sba_ioc_init_acpi(void) @@ -2118,9 +2125,12 @@ sba_init(void) #endif /* - * ioc_list should be populated by the acpi_sba_ioc_handler's .attach() + * ioc_found should be populated by the acpi_sba_ioc_handler's .attach() * routine, but that only happens if acpi_scan_init() has already run. */ + while (ioc_found) + acpi_sba_ioc_add(ioc_found); + if (!ioc_list) { #ifdef CONFIG_IA64_GENERIC /* diff --git a/arch/ia64/include/uapi/asm/fcntl.h b/arch/ia64/include/uapi/asm/fcntl.h index 1dd275dc8f65..7b485876cad4 100644 --- a/arch/ia64/include/uapi/asm/fcntl.h +++ b/arch/ia64/include/uapi/asm/fcntl.h @@ -8,6 +8,7 @@ #define force_o_largefile() \ (personality(current->personality) != PER_LINUX32) +#include <linux/personality.h> #include <asm-generic/fcntl.h> #endif /* _ASM_IA64_FCNTL_H */ |