diff options
author | Richard Weinberger <richard@nod.at> | 2019-04-17 20:54:32 +0200 |
---|---|---|
committer | Miquel Raynal <miquel.raynal@bootlin.com> | 2019-04-18 08:54:08 +0200 |
commit | 74aee14c776cd98e87635b7523809db3b3a693eb (patch) | |
tree | 1eab8df035b9abc460e1a7bd1d2120e5940ade28 /drivers/mtd/nand | |
parent | 598dce7068179d49b78d116fcb74422beeb3efd7 (diff) | |
download | linux-74aee14c776cd98e87635b7523809db3b3a693eb.tar.gz linux-74aee14c776cd98e87635b7523809db3b3a693eb.tar.bz2 linux-74aee14c776cd98e87635b7523809db3b3a693eb.zip |
mtd: nandsim: Embed struct nand_chip in struct nandsim
We will need struct nand_controller soon, so more stuff need to
be parts of struct nandsim.
While we are here, rename "nand" to "ns" to use the same naming scheme
everywhere in nandsim.
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Diffstat (limited to 'drivers/mtd/nand')
-rw-r--r-- | drivers/mtd/nand/raw/nandsim.c | 49 |
1 files changed, 24 insertions, 25 deletions
diff --git a/drivers/mtd/nand/raw/nandsim.c b/drivers/mtd/nand/raw/nandsim.c index 0f86dd283769..86ebd24ac421 100644 --- a/drivers/mtd/nand/raw/nandsim.c +++ b/drivers/mtd/nand/raw/nandsim.c @@ -298,6 +298,7 @@ union ns_mem { * The structure which describes all the internal simulator data. */ struct nandsim { + struct nand_chip chip; struct mtd_partition partitions[CONFIG_NANDSIM_MAX_PARTS]; unsigned int nbparts; @@ -2216,7 +2217,7 @@ static const struct nand_controller_ops ns_controller_ops = { static int __init ns_init_module(void) { struct nand_chip *chip; - struct nandsim *nand; + struct nandsim *ns; int retval = -ENOMEM, i; if (bus_width != 8 && bus_width != 16) { @@ -2224,16 +2225,14 @@ static int __init ns_init_module(void) return -EINVAL; } - /* Allocate and initialize mtd_info, nand_chip and nandsim structures */ - chip = kzalloc(sizeof(struct nand_chip) + sizeof(struct nandsim), - GFP_KERNEL); - if (!chip) { + ns = kzalloc(sizeof(struct nandsim), GFP_KERNEL); + if (!ns) { NS_ERR("unable to allocate core structures.\n"); return -ENOMEM; } + chip = &ns->chip; nsmtd = nand_to_mtd(chip); - nand = (struct nandsim *)(chip + 1); - nand_set_controller_data(chip, (void *)nand); + nand_set_controller_data(chip, (void *)ns); /* * Register simulator's callbacks. @@ -2268,19 +2267,19 @@ static int __init ns_init_module(void) * the initial ID read command correctly */ if (id_bytes[6] != 0xFF || id_bytes[7] != 0xFF) - nand->geom.idbytes = 8; + ns->geom.idbytes = 8; else if (id_bytes[4] != 0xFF || id_bytes[5] != 0xFF) - nand->geom.idbytes = 6; + ns->geom.idbytes = 6; else if (id_bytes[2] != 0xFF || id_bytes[3] != 0xFF) - nand->geom.idbytes = 4; + ns->geom.idbytes = 4; else - nand->geom.idbytes = 2; - nand->regs.status = NS_STATUS_OK(nand); - nand->nxstate = STATE_UNKNOWN; - nand->options |= OPT_PAGE512; /* temporary value */ - memcpy(nand->ids, id_bytes, sizeof(nand->ids)); + ns->geom.idbytes = 2; + ns->regs.status = NS_STATUS_OK(ns); + ns->nxstate = STATE_UNKNOWN; + ns->options |= OPT_PAGE512; /* temporary value */ + memcpy(ns->ids, id_bytes, sizeof(ns->ids)); if (bus_width == 16) { - nand->busw = 16; + ns->busw = 16; chip->options |= NAND_BUSWIDTH_16; } @@ -2332,27 +2331,27 @@ static int __init ns_init_module(void) if ((retval = nand_create_bbt(chip)) != 0) goto err_exit; - if ((retval = parse_badblocks(nand, nsmtd)) != 0) + if ((retval = parse_badblocks(ns, nsmtd)) != 0) goto err_exit; /* Register NAND partitions */ - retval = mtd_device_register(nsmtd, &nand->partitions[0], - nand->nbparts); + retval = mtd_device_register(nsmtd, &ns->partitions[0], + ns->nbparts); if (retval != 0) goto err_exit; - if ((retval = nandsim_debugfs_create(nand)) != 0) + if ((retval = nandsim_debugfs_create(ns)) != 0) goto err_exit; return 0; err_exit: - free_nandsim(nand); + free_nandsim(ns); nand_release(chip); - for (i = 0;i < ARRAY_SIZE(nand->partitions); ++i) - kfree(nand->partitions[i].name); + for (i = 0;i < ARRAY_SIZE(ns->partitions); ++i) + kfree(ns->partitions[i].name); error: - kfree(chip); + kfree(ns); free_lists(); return retval; @@ -2373,7 +2372,7 @@ static void __exit ns_cleanup_module(void) nand_release(chip); /* Unregister driver */ for (i = 0;i < ARRAY_SIZE(ns->partitions); ++i) kfree(ns->partitions[i].name); - kfree(mtd_to_nand(nsmtd)); /* Free other structures */ + kfree(ns); /* Free other structures */ free_lists(); } |