mtd: nand: fsmc: use the mtd instance embedded in struct nand_chip
authorBoris BREZILLON <boris.brezillon@free-electrons.com>
Thu, 10 Dec 2015 08:00:05 +0000 (09:00 +0100)
committerBrian Norris <computersforpeace@gmail.com>
Fri, 18 Dec 2015 18:54:41 +0000 (10:54 -0800)
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>
drivers/mtd/nand/fsmc_nand.c

index 499fc5925c23d44fbb2f464899d3899d0d0c076d..4c68e7a39b50b2c9ad90494be8ec9a1521326a03 100644 (file)
@@ -299,7 +299,6 @@ static struct fsmc_eccplace fsmc_ecc4_sp_place = {
  */
 struct fsmc_nand_data {
        u32                     pid;
-       struct mtd_info         mtd;
        struct nand_chip        nand;
        struct mtd_partition    *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)
 {
-       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 */
@@ -1008,13 +1007,13 @@ static int __init fsmc_nand_probe(struct platform_device *pdev)
                init_completion(&host->dma_access_complete);
 
        /* Link all private pointers */
-       mtd = &host->mtd;
+       mtd = nand_to_mtd(&host->nand);
        nand = &host->nand;
        mtd->priv = nand;
        nand->priv = host;
        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_W = host->data_va;
        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
         */
-       if (nand_scan_ident(&host->mtd, 1, NULL)) {
+       if (nand_scan_ident(mtd, 1, NULL)) {
                ret = -ENXIO;
                dev_err(&pdev->dev, "No NAND Device found!\n");
                goto err_scan_ident;
        }
 
        if (AMBA_REV_BITS(host->pid) >= 8) {
-               switch (host->mtd.oobsize) {
+               switch (mtd->oobsize) {
                case 16:
                        nand->ecc.layout = &fsmc_ecc4_16_layout;
                        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.
                 */
                if (nand->ecc.mode != NAND_ECC_SOFT_BCH) {
-                       switch (host->mtd.oobsize) {
+                       switch (mtd->oobsize) {
                        case 16:
                                nand->ecc.layout = &fsmc_ecc1_16_layout;
                                break;
@@ -1156,7 +1155,7 @@ static int __init fsmc_nand_probe(struct platform_device *pdev)
        }
 
        /* Second stage of scan to fill MTD data-structures */
-       if (nand_scan_tail(&host->mtd)) {
+       if (nand_scan_tail(mtd)) {
                ret = -ENXIO;
                goto err_probe;
        }
@@ -1171,9 +1170,8 @@ static int __init fsmc_nand_probe(struct platform_device *pdev)
        /*
         * Check for partition info passed
         */
-       host->mtd.name = "nand";
-       ret = mtd_device_register(&host->mtd, host->partitions,
-                                 host->nr_partitions);
+       mtd->name = "nand";
+       ret = mtd_device_register(mtd, host->partitions, host->nr_partitions);
        if (ret)
                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);
 
        if (host) {
-               nand_release(&host->mtd);
+               nand_release(nand_to_mtd(&host->nand));
 
                if (host->mode == USE_DMA_ACCESS) {
                        dma_release_channel(host->write_dma_chan);