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

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Gitweb:     http://git.infradead.org/?p=mtd-2.6.git;a=commit;h=e787dfd1be424e0546d05d6819c8ab9c222ec248
Commit:     e787dfd1be424e0546d05d6819c8ab9c222ec248
Parent:     f1c4c9992b1f088ab42ff9fa483ad9eed411e421
Author:     Boris BREZILLON <boris.brezillon at free-electrons.com>
AuthorDate: Thu Dec 10 08:59:55 2015 +0100
Committer:  Brian Norris <computersforpeace at gmail.com>
CommitDate: Fri Dec 18 10:25:07 2015 -0800

    mtd: nand: cafe: 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 at free-electrons.com>
    Signed-off-by: Brian Norris <computersforpeace at gmail.com>
---
 drivers/mtd/nand/cafe_nand.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/mtd/nand/cafe_nand.c b/drivers/mtd/nand/cafe_nand.c
index 77c92f1..7d6a142 100644
--- a/drivers/mtd/nand/cafe_nand.c
+++ b/drivers/mtd/nand/cafe_nand.c
@@ -605,11 +605,11 @@ static int cafe_nand_probe(struct pci_dev *pdev,
 
 	pci_set_master(pdev);
 
-	mtd = kzalloc(sizeof(*mtd) + sizeof(struct cafe_priv), GFP_KERNEL);
-	if (!mtd)
+	cafe = kzalloc(sizeof(*cafe), GFP_KERNEL);
+	if (!cafe)
 		return  -ENOMEM;
-	cafe = (void *)(&mtd[1]);
 
+	mtd = nand_to_mtd(&cafe->nand);
 	mtd->dev.parent = &pdev->dev;
 	mtd->priv = &cafe->nand;
 	cafe->nand.priv = cafe;
@@ -792,7 +792,7 @@ static int cafe_nand_probe(struct pci_dev *pdev,
  out_ior:
 	pci_iounmap(pdev, cafe->mmio);
  out_free_mtd:
-	kfree(mtd);
+	kfree(cafe);
  out:
 	return err;
 }
@@ -813,7 +813,7 @@ static void cafe_nand_remove(struct pci_dev *pdev)
 			2112 + sizeof(struct nand_buffers) +
 			mtd->writesize + mtd->oobsize,
 			cafe->dmabuf, cafe->dmaaddr);
-	kfree(mtd);
+	kfree(cafe);
 }
 
 static const struct pci_device_id cafe_nand_tbl[] = {