diff options
Diffstat (limited to 'drivers/firmware/memmap.c')
| -rw-r--r-- | drivers/firmware/memmap.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/firmware/memmap.c b/drivers/firmware/memmap.c index 05aa2d406ac6..d5ea8a68d338 100644 --- a/drivers/firmware/memmap.c +++ b/drivers/firmware/memmap.c @@ -31,8 +31,12 @@ * information is necessary as for the resource tree. */ struct firmware_map_entry { - resource_size_t start; /* start of the memory range */ - resource_size_t end; /* end of the memory range (incl.) */ + /* + * start and end must be u64 rather than resource_size_t, because e820 + * resources can lie at addresses above 4G. + */ + u64 start; /* start of the memory range */ + u64 end; /* end of the memory range (incl.) */ const char *type; /* type of the memory range */ struct list_head list; /* entry for the linked list */ struct kobject kobj; /* kobject for each entry */ @@ -101,7 +105,7 @@ static LIST_HEAD(map_entries); * Common implementation of firmware_map_add() and firmware_map_add_early() * which expects a pre-allocated struct firmware_map_entry. **/ -static int firmware_map_add_entry(resource_size_t start, resource_size_t end, +static int firmware_map_add_entry(u64 start, u64 end, const char *type, struct firmware_map_entry *entry) { @@ -132,8 +136,7 @@ static int firmware_map_add_entry(resource_size_t start, resource_size_t end, * * Returns 0 on success, or -ENOMEM if no memory could be allocated. **/ -int firmware_map_add(resource_size_t start, resource_size_t end, - const char *type) +int firmware_map_add(u64 start, u64 end, const char *type) { struct firmware_map_entry *entry; @@ -157,8 +160,7 @@ int firmware_map_add(resource_size_t start, resource_size_t end, * * Returns 0 on success, or -ENOMEM if no memory could be allocated. **/ -int __init firmware_map_add_early(resource_size_t start, resource_size_t end, - const char *type) +int __init firmware_map_add_early(u64 start, u64 end, const char *type) { struct firmware_map_entry *entry; |