ieee1394: add preprocessor constant for invalid csr address
Replace occurrences of the magic value ~(u64)0 for invalid
CSR address spaces by a named constant for better readability.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Ben Collins <bcollins@ubuntu.com>
diff --git a/drivers/ieee1394/csr1212.h b/drivers/ieee1394/csr1212.h
index cecd587..17ddd72 100644
--- a/drivers/ieee1394/csr1212.h
+++ b/drivers/ieee1394/csr1212.h
@@ -192,6 +192,7 @@
#define CSR1212_EXTENDED_ROM_SIZE (0x10000 * sizeof(u_int32_t))
+#define CSR1212_INVALID_ADDR_SPACE -1
/* Config ROM image structures */
struct csr1212_bus_info_block_img {