mtd: nand: convert to nand_get_flash_node()

Used semantic patch with 'make coccicheck MODE=patch COCCI=script.cocci':

---8<----
virtual patch

@@
struct nand_chip c;
struct nand_chip *cp;
@@
(
-(cp)->flash_node
+nand_get_flash_node(cp)
|
-(c).flash_node
+nand_get_flash_node(&c)
)
---8<----

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>

drivers/mtd/nand/brcmnand/brcmnand.c

@@ -1816,7 +1816,7 @@ static int brcmnand_setup_dev(struct brcmnand_host *host)
 
 	memset(cfg, 0, sizeof(*cfg));
 
-	ret = of_property_read_u32(chip->flash_node,
+	ret = of_property_read_u32(nand_get_flash_node(chip),
 				   "brcm,nand-oob-sector-size",
 				   &oob_sector);
 	if (ret) {

drivers/mtd/nand/nand_base.c

@@ -3989,11 +3989,11 @@ int nand_scan_ident(struct mtd_info *mtd, int maxchips,
 	struct nand_flash_dev *type;
 	int ret;
 
-	if (chip->flash_node) {
+	if (nand_get_flash_node(chip)) {
 		/* MTD can automatically handle DT partitions, etc. */
-		mtd_set_of_node(mtd, chip->flash_node);
+		mtd_set_of_node(mtd, nand_get_flash_node(chip));
 
-		ret = nand_dt_init(mtd, chip, chip->flash_node);
+		ret = nand_dt_init(mtd, chip, nand_get_flash_node(chip));
 		if (ret)
 			return ret;
 	}

drivers/mtd/nand/vf610_nfc.c

@@ -707,7 +707,7 @@ static int vf610_nfc_probe(struct platform_device *pdev)
 	for_each_available_child_of_node(nfc->dev->of_node, child) {
 		if (of_device_is_compatible(child, "fsl,vf610-nfc-nandcs")) {
 
-			if (chip->flash_node) {
+			if (nand_get_flash_node(chip)) {
 				dev_err(nfc->dev,
 					"Only one NAND chip supported!\n");
 				err = -EINVAL;
@@ -718,7 +718,7 @@ static int vf610_nfc_probe(struct platform_device *pdev)
 		}
 	}
 
-	if (!chip->flash_node) {
+	if (!nand_get_flash_node(chip)) {
 		dev_err(nfc->dev, "NAND chip sub-node missing!\n");
 		err = -ENODEV;
 		goto err_clk;
@@ -814,7 +814,7 @@ static int vf610_nfc_probe(struct platform_device *pdev)
 	return mtd_device_register(mtd, NULL, 0);
 
 error:
-	of_node_put(chip->flash_node);
+	of_node_put(nand_get_flash_node(chip));
 err_clk:
 	clk_disable_unprepare(nfc->clk);
 	return err;