[ARM] Fix badge4 build error

[safe/jmp/linux-2.6] / drivers / ieee1394 / sbp2.c

diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c
index 7355580..5413dc4 100644 (file)
--- a/drivers/ieee1394/sbp2.c
+++ b/drivers/ieee1394/sbp2.c
@@ -835,12 +835,17 @@ static struct scsi_id_instance_data *sbp2_alloc_device(struct unit_directory *ud
 
        /* Register the status FIFO address range. We could use the same FIFO
         * for targets at different nodes. However we need different FIFOs per
-        * target in order to support multi-unit devices. */
+        * target in order to support multi-unit devices.
+        * The FIFO is located out of the local host controller's physical range
+        * but, if possible, within the posted write area. Status writes will
+        * then be performed as unified transactions. This slightly reduces
+        * bandwidth usage, and some Prolific based devices seem to require it.
+        */
        scsi_id->status_fifo_addr = hpsb_allocate_and_register_addrspace(
                        &sbp2_highlevel, ud->ne->host, &sbp2_ops,
                        sizeof(struct sbp2_status_block), sizeof(quadlet_t),
-                       ~0ULL, ~0ULL);
-       if (!scsi_id->status_fifo_addr) {
+                       0x010000000000ULL, CSR1212_ALL_SPACE_END);
+       if (scsi_id->status_fifo_addr == ~0ULL) {
                SBP2_ERR("failed to allocate status FIFO address range");
                goto failed_alloc;
        }