+static int ohci_flush_iso_completions(struct fw_iso_context *base)
+{
+ struct iso_context *ctx = container_of(base, struct iso_context, base);
+ int ret = 0;
+
+ tasklet_disable(&ctx->context.tasklet);
+
+ if (!test_and_set_bit_lock(0, &ctx->flushing_completions)) {
+ context_tasklet((unsigned long)&ctx->context);
+
+ switch (base->type) {
+ case FW_ISO_CONTEXT_TRANSMIT:
+ case FW_ISO_CONTEXT_RECEIVE:
+ if (ctx->header_length != 0)
+ flush_iso_completions(ctx);
+ break;
+ case FW_ISO_CONTEXT_RECEIVE_MULTICHANNEL:
+ if (ctx->mc_completed != 0)
+ flush_ir_buffer_fill(ctx);
+ break;
+ default:
+ ret = -ENOSYS;
+ }
+
+ clear_bit_unlock(0, &ctx->flushing_completions);
+ smp_mb__after_clear_bit();
+ }
+
+ tasklet_enable(&ctx->context.tasklet);
+
+ return ret;
+}
+