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mtd: nand: fsmc: 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>
This commit is contained in:
Boris BREZILLON 2015-12-10 09:00:05 +01:00 committed by Brian Norris
parent 478d51f021
commit bdf3a55501
1 changed files with 10 additions and 12 deletions
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22
drivers/mtd/nand/fsmc_nand.c
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@ -299,7 +299,6 @@ static struct fsmc_eccplace fsmc_ecc4_sp_place = {
*/ */
struct fsmc_nand_data { struct fsmc_nand_data {
u32 pid; u32 pid;
struct mtd_info mtd;
struct nand_chip nand; struct nand_chip nand;
struct mtd_partition *partitions; struct mtd_partition *partitions;
unsigned int nr_partitions; unsigned int nr_partitions;
@ -328,7 +327,7 @@ struct fsmc_nand_data {
static inline struct fsmc_nand_data *mtd_to_fsmc(struct mtd_info *mtd) static inline struct fsmc_nand_data *mtd_to_fsmc(struct mtd_info *mtd)
{ {
return container_of(mtd, struct fsmc_nand_data, mtd); return container_of(mtd_to_nand(mtd), struct fsmc_nand_data, nand);
} }
/* Assert CS signal based on chipnr */ /* Assert CS signal based on chipnr */
@ -1008,13 +1007,13 @@ static int __init fsmc_nand_probe(struct platform_device *pdev)
init_completion(&host->dma_access_complete); init_completion(&host->dma_access_complete);
/* Link all private pointers */ /* Link all private pointers */
mtd = &host->mtd; mtd = nand_to_mtd(&host->nand);
nand = &host->nand; nand = &host->nand;
mtd->priv = nand; mtd->priv = nand;
nand->priv = host; nand->priv = host;
nand_set_flash_node(nand, np); nand_set_flash_node(nand, np);
host->mtd.dev.parent = &pdev->dev; mtd->dev.parent = &pdev->dev;
nand->IO_ADDR_R = host->data_va; nand->IO_ADDR_R = host->data_va;
nand->IO_ADDR_W = host->data_va; nand->IO_ADDR_W = host->data_va;
nand->cmd_ctrl = fsmc_cmd_ctrl; nand->cmd_ctrl = fsmc_cmd_ctrl;
@ -1077,14 +1076,14 @@ static int __init fsmc_nand_probe(struct platform_device *pdev)
/* /*
* Scan to find existence of the device * Scan to find existence of the device
*/ */
if (nand_scan_ident(&host->mtd, 1, NULL)) { if (nand_scan_ident(mtd, 1, NULL)) {
ret = -ENXIO; ret = -ENXIO;
dev_err(&pdev->dev, "No NAND Device found!\n"); dev_err(&pdev->dev, "No NAND Device found!\n");
goto err_scan_ident; goto err_scan_ident;
} }
if (AMBA_REV_BITS(host->pid) >= 8) { if (AMBA_REV_BITS(host->pid) >= 8) {
switch (host->mtd.oobsize) { switch (mtd->oobsize) {
case 16: case 16:
nand->ecc.layout = &fsmc_ecc4_16_layout; nand->ecc.layout = &fsmc_ecc4_16_layout;
host->ecc_place = &fsmc_ecc4_sp_place; host->ecc_place = &fsmc_ecc4_sp_place;
@ -1135,7 +1134,7 @@ static int __init fsmc_nand_probe(struct platform_device *pdev)
* generated later in nand_bch_init() later. * generated later in nand_bch_init() later.
*/ */
if (nand->ecc.mode != NAND_ECC_SOFT_BCH) { if (nand->ecc.mode != NAND_ECC_SOFT_BCH) {
switch (host->mtd.oobsize) { switch (mtd->oobsize) {
case 16: case 16:
nand->ecc.layout = &fsmc_ecc1_16_layout; nand->ecc.layout = &fsmc_ecc1_16_layout;
break; break;
@ -1156,7 +1155,7 @@ static int __init fsmc_nand_probe(struct platform_device *pdev)
} }
/* Second stage of scan to fill MTD data-structures */ /* Second stage of scan to fill MTD data-structures */
if (nand_scan_tail(&host->mtd)) { if (nand_scan_tail(mtd)) {
ret = -ENXIO; ret = -ENXIO;
goto err_probe; goto err_probe;
} }
@ -1171,9 +1170,8 @@ static int __init fsmc_nand_probe(struct platform_device *pdev)
/* /*
* Check for partition info passed * Check for partition info passed
*/ */
host->mtd.name = "nand"; mtd->name = "nand";
ret = mtd_device_register(&host->mtd, host->partitions, ret = mtd_device_register(mtd, host->partitions, host->nr_partitions);
host->nr_partitions);
if (ret) if (ret)
goto err_probe; goto err_probe;
@ -1203,7 +1201,7 @@ static int fsmc_nand_remove(struct platform_device *pdev)
struct fsmc_nand_data *host = platform_get_drvdata(pdev); struct fsmc_nand_data *host = platform_get_drvdata(pdev);
if (host) { if (host) {
nand_release(&host->mtd); nand_release(nand_to_mtd(&host->nand));
if (host->mode == USE_DMA_ACCESS) { if (host->mode == USE_DMA_ACCESS) {
dma_release_channel(host->write_dma_chan); dma_release_channel(host->write_dma_chan);