diff options
Diffstat (limited to 'drivers/acpi/osl.c')
| -rw-r--r-- | drivers/acpi/osl.c | 50 |
1 files changed, 5 insertions, 45 deletions
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index 9316dfc19cea..8a7cab06e271 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -76,6 +76,7 @@ static struct workqueue_struct *kacpi_notify_wq; static struct workqueue_struct *kacpi_hotplug_wq; static bool acpi_os_initialized; unsigned int acpi_sci_irq = INVALID_ACPI_IRQ; +bool acpi_permanent_mmap = false; /* * This list of permanent mappings is for memory that may be accessed from @@ -313,7 +314,7 @@ static void acpi_unmap(acpi_physical_address pg_off, void __iomem *vaddr) * virtual address). If not found, map it, add it to that list and return a * pointer to it. * - * During early init (when acpi_gbl_permanent_mmap has not been set yet) this + * During early init (when acpi_permanent_mmap has not been set yet) this * routine simply calls __acpi_map_table() to get the job done. */ void __iomem *__ref @@ -329,7 +330,7 @@ acpi_os_map_iomem(acpi_physical_address phys, acpi_size size) return NULL; } - if (!acpi_gbl_permanent_mmap) + if (!acpi_permanent_mmap) return __acpi_map_table((unsigned long)phys, size); mutex_lock(&acpi_ioremap_lock); @@ -399,7 +400,7 @@ static void acpi_os_map_cleanup(struct acpi_ioremap *map) * mappings, drop a reference to it and unmap it if there are no more active * references to it. * - * During early init (when acpi_gbl_permanent_mmap has not been set yet) this + * During early init (when acpi_permanent_mmap has not been set yet) this * routine simply calls __acpi_unmap_table() to get the job done. Since * __acpi_unmap_table() is an __init function, the __ref annotation is needed * here. @@ -408,7 +409,7 @@ void __ref acpi_os_unmap_iomem(void __iomem *virt, acpi_size size) { struct acpi_ioremap *map; - if (!acpi_gbl_permanent_mmap) { + if (!acpi_permanent_mmap) { __acpi_unmap_table(virt, size); return; } @@ -433,47 +434,6 @@ void __ref acpi_os_unmap_memory(void *virt, acpi_size size) } EXPORT_SYMBOL_GPL(acpi_os_unmap_memory); -/******************************************************************************* - * - * acpi_get_table_with_size()/early_acpi_os_unmap_memory(): - * - * These 2 functions are traditionally used by Linux to map/unmap physical - * addressed ACPI tables during the early stage. - * They are deprectated now. Do not use them in the new code, but use - * acpi_get_table()/acpi_put_table() instead. - * - ******************************************************************************/ -acpi_status -acpi_get_table_with_size(char *signature, - u32 instance, struct acpi_table_header **out_table, - acpi_size *tbl_size) -{ - acpi_status status; - - status = acpi_get_table(signature, instance, out_table); - if (ACPI_SUCCESS(status)) { - /* - * "tbl_size" is no longer used by - * early_acpi_os_unmap_memory(), but is still used by the - * ACPI table drivers. So sets it to the length of the - * table when the tbl_size is requested. - * "out_table" is not sanity checked as AE_BAD_PARAMETER - * is returned if it is NULL. - */ - if (tbl_size && *out_table) - *tbl_size = (*out_table)->length; - } - - return (status); -} - -ACPI_EXPORT_SYMBOL(acpi_get_table_with_size) - -void __init early_acpi_os_unmap_memory(void __iomem *virt, acpi_size size) -{ - acpi_put_table(ACPI_CAST_PTR(struct acpi_table_header, virt)); -} - int acpi_os_map_generic_address(struct acpi_generic_address *gas) { u64 addr; |