[RFC PATCH 3/3] mtd: nand: sunxi: define NAND controller ops instead of assigning chip functions

[Boris Brezillon]

Now that we have NAND controller operations we can assign them once in
the NAND controller probe function and rely on these ops for all NAND
chips attached to this controller.

Signed-off-by: Boris Brezillon <boris.brezillon at free-electrons.com>
---
 drivers/mtd/nand/sunxi_nand.c | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/drivers/mtd/nand/sunxi_nand.c b/drivers/mtd/nand/sunxi_nand.c
index ccaa8e2..43fb2ab 100644
--- a/drivers/mtd/nand/sunxi_nand.c
+++ b/drivers/mtd/nand/sunxi_nand.c
@@ -1235,11 +1235,6 @@ static int sunxi_nand_chip_init(struct device *dev, struct sunxi_nfc *nfc,
 	/* Default tR value specified in the ONFI spec (chapter 4.15.1) */
 	nand->chip_delay = 200;
 	nand->controller = &nfc->controller;
-	nand->select_chip = sunxi_nfc_select_chip;
-	nand->cmd_ctrl = sunxi_nfc_cmd_ctrl;
-	nand->read_buf = sunxi_nfc_read_buf;
-	nand->write_buf = sunxi_nfc_write_buf;
-	nand->read_byte = sunxi_nfc_read_byte;
 
 	if (of_get_nand_on_flash_bbt(np))
 		nand->bbt_options |= NAND_BBT_USE_FLASH | NAND_BBT_NO_OOB;
@@ -1317,6 +1312,15 @@ static void sunxi_nand_chips_cleanup(struct sunxi_nfc *nfc)
 	}
 }
 
+static const struct nand_controller_ops sunxi_nfc_ops = {
+	.select_chip = sunxi_nfc_select_chip,
+	.cmd_ctrl = sunxi_nfc_cmd_ctrl,
+	.read_buf = sunxi_nfc_read_buf,
+	.write_buf = sunxi_nfc_write_buf,
+	.read_byte = sunxi_nfc_read_byte,
+	.waitfunc = nand_wait,
+};
+
 static int sunxi_nfc_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
@@ -1330,6 +1334,7 @@ static int sunxi_nfc_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	nfc->dev = dev;
+	nfc->controller.ops = &sunxi_nfc_ops;
 	spin_lock_init(&nfc->controller.lock);
 	init_waitqueue_head(&nfc->controller.wq);
 	INIT_LIST_HEAD(&nfc->chips);
-- 
1.9.1