dmaengine: ioatdma: Clean up IOAT_COMPLETION_PENDING flag

IOAT_COMPLETION_PENDING flag was deprecated for v2 and v3 drivers but was
not cleaned up. Doing that now. The commit deprecated this flag was
4dec23d7 ioatdma: fix race between updating ioat->head and
IOAT_COMPLETION_PENDING.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

drivers/dma/ioat/dma.c

@@ -206,7 +206,6 @@ static void __ioat_restart_chan(struct ioatdma_chan *ioat_chan)
 	/* set the tail to be re-issued */
 	ioat_chan->issued = ioat_chan->tail;
 	ioat_chan->dmacount = 0;
-	set_bit(IOAT_COMPLETION_PENDING, &ioat_chan->state);
 	mod_timer(&ioat_chan->timer, jiffies + COMPLETION_TIMEOUT);
 
 	dev_dbg(to_dev(ioat_chan),
@@ -689,7 +688,6 @@ static void __cleanup(struct ioatdma_chan *ioat_chan, dma_addr_t phys_complete)
 	if (active - i == 0) {
 		dev_dbg(to_dev(ioat_chan), "%s: cancel completion timeout\n",
 			__func__);
-		clear_bit(IOAT_COMPLETION_PENDING, &ioat_chan->state);
 		mod_timer(&ioat_chan->timer, jiffies + IDLE_TIMEOUT);
 	}
 

drivers/dma/ioat/dma.h

@@ -95,7 +95,6 @@ struct ioatdma_chan {
 	dma_addr_t last_completion;
 	spinlock_t cleanup_lock;
 	unsigned long state;
-	#define IOAT_COMPLETION_PENDING 0
 	#define IOAT_COMPLETION_ACK 1
 	#define IOAT_RESET_PENDING 2
 	#define IOAT_KOBJ_INIT_FAIL 3