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Diffstat (limited to 'include/linux/firewire.h')
-rw-r--r--include/linux/firewire.h15
1 files changed, 8 insertions, 7 deletions
diff --git a/include/linux/firewire.h b/include/linux/firewire.h
index 9416a461b696..4bd94bf5e739 100644
--- a/include/linux/firewire.h
+++ b/include/linux/firewire.h
@@ -65,12 +65,13 @@
#define CSR_DIRECTORY_ID 0x20
struct fw_csr_iterator {
- u32 *p;
- u32 *end;
+ const u32 *p;
+ const u32 *end;
};
-void fw_csr_iterator_init(struct fw_csr_iterator *ci, u32 *p);
+void fw_csr_iterator_init(struct fw_csr_iterator *ci, const u32 *p);
int fw_csr_iterator_next(struct fw_csr_iterator *ci, int *key, int *value);
+int fw_csr_string(const u32 *directory, int key, char *buf, size_t size);
extern struct bus_type fw_bus_type;
@@ -162,7 +163,7 @@ struct fw_device {
struct mutex client_list_mutex;
struct list_head client_list;
- u32 *config_rom;
+ const u32 *config_rom;
size_t config_rom_length;
int config_rom_retries;
unsigned is_local:1;
@@ -204,7 +205,7 @@ int fw_device_enable_phys_dma(struct fw_device *device);
*/
struct fw_unit {
struct device device;
- u32 *directory;
+ const u32 *directory;
struct fw_attribute_group attribute_group;
};
@@ -248,8 +249,8 @@ typedef void (*fw_transaction_callback_t)(struct fw_card *card, int rcode,
void *data, size_t length,
void *callback_data);
/*
- * Important note: The callback must guarantee that either fw_send_response()
- * or kfree() is called on the @request.
+ * Important note: Except for the FCP registers, the callback must guarantee
+ * that either fw_send_response() or kfree() is called on the @request.
*/
typedef void (*fw_address_callback_t)(struct fw_card *card,
struct fw_request *request,