mtd: nand: au1550nd: 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>

diff --git a/drivers/mtd/nand/au1550nd.c b/drivers/mtd/nand/au1550nd.c
index 73fceb8743a24de6defc4289637103bfee429550..280e5b61b815a744b7dc11bd9e89d7e3087f5566 100644 (file)
--- a/drivers/mtd/nand/au1550nd.c
+++ b/drivers/mtd/nand/au1550nd.c
@@ -23,7 +23,6 @@
 
 
 struct au1550nd_ctx {
-       struct mtd_info info;
        struct nand_chip chip;
 
        int cs;
@@ -197,8 +196,9 @@ static void au_read_buf16(struct mtd_info *mtd, u_char *buf, int len)
 
 static void au1550_hwcontrol(struct mtd_info *mtd, int cmd)
 {
-       struct au1550nd_ctx *ctx = container_of(mtd, struct au1550nd_ctx, info);
        struct nand_chip *this = mtd_to_nand(mtd);
+       struct au1550nd_ctx *ctx = container_of(this, struct au1550nd_ctx,
+                                               chip);
 
        switch (cmd) {
 
@@ -267,8 +267,9 @@ static void au1550_select_chip(struct mtd_info *mtd, int chip)
  */
 static void au1550_command(struct mtd_info *mtd, unsigned command, int column, int page_addr)
 {
-       struct au1550nd_ctx *ctx = container_of(mtd, struct au1550nd_ctx, info);
        struct nand_chip *this = mtd_to_nand(mtd);
+       struct au1550nd_ctx *ctx = container_of(this, struct au1550nd_ctx,
+                                               chip);
        int ce_override = 0, i;
        unsigned long flags = 0;
 
@@ -405,6 +406,7 @@ static int au1550nd_probe(struct platform_device *pdev)
        struct au1550nd_platdata *pd;
        struct au1550nd_ctx *ctx;
        struct nand_chip *this;
+       struct mtd_info *mtd;
        struct resource *r;
        int ret, cs;
 
@@ -438,8 +440,9 @@ static int au1550nd_probe(struct platform_device *pdev)
        }
 
        this = &ctx->chip;
-       ctx->info.priv = this;
-       ctx->info.dev.parent = &pdev->dev;
+       mtd = nand_to_mtd(this);
+       mtd->priv = this;
+       mtd->dev.parent = &pdev->dev;
 
        /* figure out which CS# r->start belongs to */
        cs = find_nand_cs(r->start);
@@ -467,13 +470,13 @@ static int au1550nd_probe(struct platform_device *pdev)
        this->write_buf = (pd->devwidth) ? au_write_buf16 : au_write_buf;
        this->read_buf = (pd->devwidth) ? au_read_buf16 : au_read_buf;
 
-       ret = nand_scan(&ctx->info, 1);
+       ret = nand_scan(mtd, 1);
        if (ret) {
                dev_err(&pdev->dev, "NAND scan failed with %d\n", ret);
                goto out3;
        }
 
-       mtd_device_register(&ctx->info, pd->parts, pd->num_parts);
+       mtd_device_register(mtd, pd->parts, pd->num_parts);
 
        platform_set_drvdata(pdev, ctx);
 
@@ -493,7 +496,7 @@ static int au1550nd_remove(struct platform_device *pdev)
        struct au1550nd_ctx *ctx = platform_get_drvdata(pdev);
        struct resource *r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 
-       nand_release(&ctx->info);
+       nand_release(nand_to_mtd(&ctx->chip));
        iounmap(ctx->base);
        release_mem_region(r->start, 0x1000);
        kfree(ctx);