dmaengine: ioatdma: removal of dma_v3.c and relevant ioat3 references

Moving the relevant functions to their respective .c files and removal of
dma_v3.c file. Also removed various ioat3 references when appropriate.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Acked-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

drivers/dma/ioat/Makefile

 obj-$(CONFIG_INTEL_IOATDMA) += ioatdma.o
-ioatdma-y := init.o dma.o dma_v3.o prep.o dca.o sysfs.o
+ioatdma-y := init.o dma.o prep.o dca.o sysfs.o

drivers/dma/ioat/dca.c

@@ -132,7 +132,7 @@ static int ioat_dca_dev_managed(struct dca_provider *dca,
 	return 0;
 }
 
-static int ioat3_dca_add_requester(struct dca_provider *dca, struct device *dev)
+static int ioat_dca_add_requester(struct dca_provider *dca, struct device *dev)
 {
 	struct ioat_dca_priv *ioatdca = dca_priv(dca);
 	struct pci_dev *pdev;
@@ -166,7 +166,7 @@ static int ioat3_dca_add_requester(struct dca_provider *dca, struct device *dev)
 	return -EFAULT;
 }
 
-static int ioat3_dca_remove_requester(struct dca_provider *dca,
+static int ioat_dca_remove_requester(struct dca_provider *dca,
 				      struct device *dev)
 {
 	struct ioat_dca_priv *ioatdca = dca_priv(dca);
@@ -193,7 +193,7 @@ static int ioat3_dca_remove_requester(struct dca_provider *dca,
 	return -ENODEV;
 }
 
-static u8 ioat3_dca_get_tag(struct dca_provider *dca,
+static u8 ioat_dca_get_tag(struct dca_provider *dca,
 			    struct device *dev,
 			    int cpu)
 {
@@ -224,14 +224,14 @@ static u8 ioat3_dca_get_tag(struct dca_provider *dca,
 	return tag;
 }
 
-static struct dca_ops ioat3_dca_ops = {
-	.add_requester		= ioat3_dca_add_requester,
-	.remove_requester	= ioat3_dca_remove_requester,
-	.get_tag		= ioat3_dca_get_tag,
+static struct dca_ops ioat_dca_ops = {
+	.add_requester		= ioat_dca_add_requester,
+	.remove_requester	= ioat_dca_remove_requester,
+	.get_tag		= ioat_dca_get_tag,
 	.dev_managed		= ioat_dca_dev_managed,
 };
 
-static int ioat3_dca_count_dca_slots(void *iobase, u16 dca_offset)
+static int ioat_dca_count_dca_slots(void *iobase, u16 dca_offset)
 {
 	int slots = 0;
 	u32 req;
@@ -266,7 +266,7 @@ static inline int dca3_tag_map_invalid(u8 *tag_map)
 		(tag_map[4] == DCA_TAG_MAP_VALID));
 }
 
-struct dca_provider *ioat3_dca_init(struct pci_dev *pdev, void __iomem *iobase)
+struct dca_provider *ioat_dca_init(struct pci_dev *pdev, void __iomem *iobase)
 {
 	struct dca_provider *dca;
 	struct ioat_dca_priv *ioatdca;
@@ -293,11 +293,11 @@ struct dca_provider *ioat3_dca_init(struct pci_dev *pdev, void __iomem *iobase)
 	if (dca_offset == 0)
 		return NULL;
 
-	slots = ioat3_dca_count_dca_slots(iobase, dca_offset);
+	slots = ioat_dca_count_dca_slots(iobase, dca_offset);
 	if (slots == 0)
 		return NULL;
 
-	dca = alloc_dca_provider(&ioat3_dca_ops,
+	dca = alloc_dca_provider(&ioat_dca_ops,
 				 sizeof(*ioatdca)
 				      + (sizeof(struct ioat_dca_slot) * slots));
 	if (!dca)

drivers/dma/ioat/dma.h

@@ -438,24 +438,15 @@ ioat_tx_status(struct dma_chan *c, dma_cookie_t cookie,
 		struct dma_tx_state *txstate);
 void ioat_cleanup_event(unsigned long data);
 void ioat_timer_event(unsigned long data);
-enum dma_status ioat_dma_tx_status(struct dma_chan *c, dma_cookie_t cookie,
-				   struct dma_tx_state *txstate);
-bool ioat_cleanup_preamble(struct ioatdma_chan *ioat_chan,
-			   dma_addr_t *phys_complete);
 int ioat_check_space_lock(struct ioatdma_chan *ioat_chan, int num_descs);
 void ioat_issue_pending(struct dma_chan *chan);
-bool reshape_ring(struct ioatdma_chan *ioat, int order);
-void __ioat_issue_pending(struct ioatdma_chan *ioat_chan);
 void ioat_timer_event(unsigned long data);
-int ioat_quiesce(struct ioatdma_chan *ioat_chan, unsigned long tmo);
-int ioat_reset_sync(struct ioatdma_chan *ioat_chan, unsigned long tmo);
-void __ioat_restart_chan(struct ioatdma_chan *ioat_chan);
 
 /* IOAT Init functions */
 bool is_bwd_ioat(struct pci_dev *pdev);
+struct dca_provider *ioat_dca_init(struct pci_dev *pdev, void __iomem *iobase);
 void ioat_kobject_add(struct ioatdma_device *ioat_dma, struct kobj_type *type);
 void ioat_kobject_del(struct ioatdma_device *ioat_dma);
 int ioat_dma_setup_interrupts(struct ioatdma_device *ioat_dma);
 void ioat_stop(struct ioatdma_chan *ioat_chan);
-struct dca_provider *ioat3_dca_init(struct pci_dev *pdev, void __iomem *iobase);
 #endif /* IOATDMA_H */

drivers/dma/ioat/init.c

@@ -735,13 +735,6 @@ ioat_init_channel(struct ioatdma_device *ioat_dma,
 	tasklet_init(&ioat_chan->cleanup_task, ioat_dma->cleanup_fn, data);
 }
 
-static void ioat3_dma_test_callback(void *dma_async_param)
-{
-	struct completion *cmp = dma_async_param;
-
-	complete(cmp);
-}
-
 #define IOAT_NUM_SRC_TEST 6 /* must be <= 8 */
 static int ioat_xor_val_self_test(struct ioatdma_device *ioat_dma)
 {
@@ -835,7 +828,7 @@ static int ioat_xor_val_self_test(struct ioatdma_device *ioat_dma)
 
 	async_tx_ack(tx);
 	init_completion(&cmp);
-	tx->callback = ioat3_dma_test_callback;
+	tx->callback = ioat_dma_test_callback;
 	tx->callback_param = &cmp;
 	cookie = tx->tx_submit(tx);
 	if (cookie < 0) {
@@ -903,7 +896,7 @@ static int ioat_xor_val_self_test(struct ioatdma_device *ioat_dma)
 
 	async_tx_ack(tx);
 	init_completion(&cmp);
-	tx->callback = ioat3_dma_test_callback;
+	tx->callback = ioat_dma_test_callback;
 	tx->callback_param = &cmp;
 	cookie = tx->tx_submit(tx);
 	if (cookie < 0) {
@@ -956,7 +949,7 @@ static int ioat_xor_val_self_test(struct ioatdma_device *ioat_dma)
 
 	async_tx_ack(tx);
 	init_completion(&cmp);
-	tx->callback = ioat3_dma_test_callback;
+	tx->callback = ioat_dma_test_callback;
 	tx->callback_param = &cmp;
 	cookie = tx->tx_submit(tx);
 	if (cookie < 0) {
@@ -1024,7 +1017,7 @@ static int ioat3_dma_self_test(struct ioatdma_device *ioat_dma)
 	return 0;
 }
 
-static void ioat3_intr_quirk(struct ioatdma_device *ioat_dma)
+static void ioat_intr_quirk(struct ioatdma_device *ioat_dma)
 {
 	struct dma_device *dma;
 	struct dma_chan *c;
@@ -1063,7 +1056,7 @@ static int ioat3_dma_probe(struct ioatdma_device *ioat_dma, int dca)
 	ioat_dma->enumerate_channels = ioat_enumerate_channels;
 	ioat_dma->reset_hw = ioat_reset_hw;
 	ioat_dma->self_test = ioat3_dma_self_test;
-	ioat_dma->intr_quirk = ioat3_intr_quirk;
+	ioat_dma->intr_quirk = ioat_intr_quirk;
 	dma = &ioat_dma->dma_dev;
 	dma->device_prep_dma_memcpy = ioat_dma_prep_memcpy_lock;
 	dma->device_issue_pending = ioat_issue_pending;
@@ -1162,7 +1155,7 @@ static int ioat3_dma_probe(struct ioatdma_device *ioat_dma, int dca)
 	ioat_kobject_add(ioat_dma, &ioat_ktype);
 
 	if (dca)
-		ioat_dma->dca = ioat3_dca_init(pdev, ioat_dma->reg_base);
+		ioat_dma->dca = ioat_dca_init(pdev, ioat_dma->reg_base);
 
 	return 0;
 }