int res = 0;
unsigned long flags;
+ if (!d40c->busy)
+ return 0;
+
spin_lock_irqsave(&d40c->lock, flags);
res = d40_channel_execute_command(d40c, D40_DMA_SUSPEND_REQ);
int res = 0;
unsigned long flags;
+ if (!d40c->busy)
+ return 0;
+
spin_lock_irqsave(&d40c->lock, flags);
if (d40c->base->rev == 0)