firewire: ohci: change "context_stop: still active" log message

The present message is mostly just noise.  We only need to be notified
if the "active" flag does not go off before the retry loop terminates.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
diff --git a/drivers/firewire/fw-ohci.c b/drivers/firewire/fw-ohci.c
index ab9c01e..9bedd61 100644
--- a/drivers/firewire/fw-ohci.c
+++ b/drivers/firewire/fw-ohci.c
@@ -896,11 +896,11 @@
 	for (i = 0; i < 10; i++) {
 		reg = reg_read(ctx->ohci, CONTROL_SET(ctx->regs));
 		if ((reg & CONTEXT_ACTIVE) == 0)
-			break;
+			return;
 
-		fw_notify("context_stop: still active (0x%08x)\n", reg);
 		mdelay(1);
 	}
+	fw_error("Error: DMA context still active (0x%08x)\n", reg);
 }
 
 struct driver_data {