mtd: nand: hisi504: use the mtd instance embedded in struct nand_chip

struct nand_chip now embeds an mtd device. Make use of this mtd instance.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>

drivers/mtd/nand/hisi504_nand.c

@@ -134,7 +134,6 @@
 
 struct hinfc_host {
 	struct nand_chip	chip;
-	struct mtd_info		mtd;
 	struct device		*dev;
 	void __iomem		*iobase;
 	void __iomem		*mmio;
@@ -189,8 +188,8 @@ static void wait_controller_finished(struct hinfc_host *host)
 
 static void hisi_nfc_dma_transfer(struct hinfc_host *host, int todev)
 {
-	struct mtd_info	*mtd = &host->mtd;
-	struct nand_chip *chip = mtd_to_nand(mtd);
+	struct nand_chip *chip = &host->chip;
+	struct mtd_info	*mtd = nand_to_mtd(chip);
 	unsigned long val;
 	int ret;
 
@@ -262,7 +261,7 @@ static int hisi_nfc_send_cmd_pageprog(struct hinfc_host *host)
 
 static int hisi_nfc_send_cmd_readstart(struct hinfc_host *host)
 {
-	struct mtd_info	*mtd = &host->mtd;
+	struct mtd_info	*mtd = nand_to_mtd(&host->chip);
 
 	if ((host->addr_value[0] == host->cache_addr_value[0]) &&
 	    (host->addr_value[1] == host->cache_addr_value[1]))
@@ -643,7 +642,7 @@ static int hisi_nfc_ecc_probe(struct hinfc_host *host)
 	int size, strength, ecc_bits;
 	struct device *dev = host->dev;
 	struct nand_chip *chip = &host->chip;
-	struct mtd_info *mtd = &host->mtd;
+	struct mtd_info *mtd = nand_to_mtd(chip);
 	struct device_node *np = host->dev->of_node;
 
 	size = of_get_nand_ecc_step_size(np);
@@ -712,7 +711,7 @@ static int hisi_nfc_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, host);
 	chip = &host->chip;
-	mtd  = &host->mtd;
+	mtd  = nand_to_mtd(chip);
 
 	irq = platform_get_irq(pdev, 0);
 	if (irq < 0) {
@@ -822,7 +821,7 @@ static int hisi_nfc_probe(struct platform_device *pdev)
 static int hisi_nfc_remove(struct platform_device *pdev)
 {
 	struct hinfc_host *host = platform_get_drvdata(pdev);
-	struct mtd_info *mtd = &host->mtd;
+	struct mtd_info *mtd = nand_to_mtd(&host->chip);
 
 	nand_release(mtd);