From 478d51f0213b9a4b0e605481aa3c14f4a084df4f Mon Sep 17 00:00:00 2001 From: Boris BREZILLON Date: Thu, 10 Dec 2015 09:00:04 +0100 Subject: [PATCH] mtd: nand: fsl_upm: 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 Signed-off-by: Brian Norris --- drivers/mtd/nand/fsl_upm.c | 29 ++++++++++++++++------------- 1 file changed, 16 insertions(+), 13 deletions(-) diff --git a/drivers/mtd/nand/fsl_upm.c b/drivers/mtd/nand/fsl_upm.c index 68ec128e822c..0379adc2d90e 100644 --- a/drivers/mtd/nand/fsl_upm.c +++ b/drivers/mtd/nand/fsl_upm.c @@ -31,7 +31,6 @@ struct fsl_upm_nand { struct device *dev; - struct mtd_info mtd; struct nand_chip chip; int last_ctrl; struct mtd_partition *parts; @@ -49,7 +48,8 @@ struct fsl_upm_nand { static inline struct fsl_upm_nand *to_fsl_upm_nand(struct mtd_info *mtdinfo) { - return container_of(mtdinfo, struct fsl_upm_nand, mtd); + return container_of(mtd_to_nand(mtdinfo), struct fsl_upm_nand, + chip); } static int fun_chip_ready(struct mtd_info *mtd) @@ -66,9 +66,10 @@ static int fun_chip_ready(struct mtd_info *mtd) static void fun_wait_rnb(struct fsl_upm_nand *fun) { if (fun->rnb_gpio[fun->mchip_number] >= 0) { + struct mtd_info *mtd = nand_to_mtd(&fun->chip); int cnt = 1000000; - while (--cnt && !fun_chip_ready(&fun->mtd)) + while (--cnt && !fun_chip_ready(mtd)) cpu_relax(); if (!cnt) dev_err(fun->dev, "tired waiting for RNB\n"); @@ -157,6 +158,7 @@ static int fun_chip_init(struct fsl_upm_nand *fun, const struct device_node *upm_np, const struct resource *io_res) { + struct mtd_info *mtd = nand_to_mtd(&fun->chip); int ret; struct device_node *flash_np; @@ -174,30 +176,30 @@ static int fun_chip_init(struct fsl_upm_nand *fun, if (fun->rnb_gpio[0] >= 0) fun->chip.dev_ready = fun_chip_ready; - fun->mtd.priv = &fun->chip; - fun->mtd.dev.parent = fun->dev; + mtd->priv = &fun->chip; + mtd->dev.parent = fun->dev; flash_np = of_get_next_child(upm_np, NULL); if (!flash_np) return -ENODEV; nand_set_flash_node(&fun->chip, flash_np); - fun->mtd.name = kasprintf(GFP_KERNEL, "0x%llx.%s", (u64)io_res->start, - flash_np->name); - if (!fun->mtd.name) { + mtd->name = kasprintf(GFP_KERNEL, "0x%llx.%s", (u64)io_res->start, + flash_np->name); + if (!mtd->name) { ret = -ENOMEM; goto err; } - ret = nand_scan(&fun->mtd, fun->mchip_count); + ret = nand_scan(mtd, fun->mchip_count); if (ret) goto err; - ret = mtd_device_register(&fun->mtd, NULL, 0); + ret = mtd_device_register(mtd, NULL, 0); err: of_node_put(flash_np); if (ret) - kfree(fun->mtd.name); + kfree(mtd->name); return ret; } @@ -321,10 +323,11 @@ err1: static int fun_remove(struct platform_device *ofdev) { struct fsl_upm_nand *fun = dev_get_drvdata(&ofdev->dev); + struct mtd_info *mtd = nand_to_mtd(&fun->chip); int i; - nand_release(&fun->mtd); - kfree(fun->mtd.name); + nand_release(mtd); + kfree(mtd->name); for (i = 0; i < fun->mchip_count; i++) { if (fun->rnb_gpio[i] < 0) -- 2.20.1