mtd: nand: omap: add field to indicate current ecc-scheme in 'struct omap_nand_info'

Information of currently selected ECC scheme 'enum omap_ecc ecc_opt' should
available outside platform-data, so that single nand_chip->ecc callback can
support multiple ecc-scheme configurations.

Tested-by: Stefan Roese <sr@denx.de>
Signed-off-by: Pekon Gupta <pekon@ti.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>

diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c
index bf642ce..403afa7 100644 (file)
--- a/drivers/mtd/nand/omap2.c
+++ b/drivers/mtd/nand/omap2.c
@@ -160,6 +160,7 @@ struct omap_nand_info {
        int                             gpmc_cs;
        unsigned long                   phys_base;
        unsigned long                   mem_size;
+       enum omap_ecc                   ecc_opt;
        struct completion               comp;
        struct dma_chan                 *dma;
        int                             gpmc_irq_fifo;
@@ -1657,6 +1658,7 @@ static int omap_nand_probe(struct platform_device *pdev)
        info->gpmc_cs           = pdata->cs;
        info->reg               = pdata->reg;
        info->of_node           = pdata->of_node;
+       info->ecc_opt           = pdata->ecc_opt;
        mtd                     = &info->mtd;
        mtd->priv               = &info->nand;
        mtd->name               = dev_name(&pdev->dev);
@@ -1812,7 +1814,7 @@ static int omap_nand_probe(struct platform_device *pdev)
        /* populate MTD interface based on ECC scheme */
        nand_chip->ecc.layout   = &omap_oobinfo;
        ecclayout               = &omap_oobinfo;
-       switch (pdata->ecc_opt) {
+       switch (info->ecc_opt) {
        case OMAP_ECC_HAM1_CODE_HW:
                pr_info("nand: using OMAP_ECC_HAM1_CODE_HW\n");
                nand_chip->ecc.mode             = NAND_ECC_HW;