diff options
-rw-r--r-- | drivers/mtd/nand/plat_nand.c | 13 | ||||
-rw-r--r-- | include/linux/mtd/nand.h | 7 |
2 files changed, 18 insertions, 2 deletions
diff --git a/drivers/mtd/nand/plat_nand.c b/drivers/mtd/nand/plat_nand.c index 47a2105b9671..22e0ce788419 100644 --- a/drivers/mtd/nand/plat_nand.c +++ b/drivers/mtd/nand/plat_nand.c @@ -72,6 +72,13 @@ static int __devinit plat_nand_probe(struct platform_device *pdev) platform_set_drvdata(pdev, data); + /* Handle any platform specific setup */ + if (pdata->ctrl.probe) { + res = pdata->ctrl.probe(pdev); + if (res) + goto out; + } + /* Scan to find existance of the device */ if (nand_scan(&data->mtd, 1)) { res = -ENXIO; @@ -101,6 +108,8 @@ static int __devinit plat_nand_probe(struct platform_device *pdev) nand_release(&data->mtd); out: + if (pdata->ctrl.remove) + pdata->ctrl.remove(pdev); platform_set_drvdata(pdev, NULL); iounmap(data->io_base); kfree(data); @@ -113,15 +122,15 @@ out: static int __devexit plat_nand_remove(struct platform_device *pdev) { struct plat_nand_data *data = platform_get_drvdata(pdev); -#ifdef CONFIG_MTD_PARTITIONS struct platform_nand_data *pdata = pdev->dev.platform_data; -#endif nand_release(&data->mtd); #ifdef CONFIG_MTD_PARTITIONS if (data->parts && data->parts != pdata->chip.partitions) kfree(data->parts); #endif + if (pdata->ctrl.remove) + pdata->ctrl.remove(pdev); iounmap(data->io_base); kfree(data); diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index 0e35375ea795..7f2d69356554 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -577,8 +577,13 @@ struct platform_nand_chip { void *priv; }; +/* Keep gcc happy */ +struct platform_device; + /** * struct platform_nand_ctrl - controller level device structure + * @probe: platform specific function to probe/setup hardware + * @remove: platform specific function to remove/teardown hardware * @hwcontrol: platform specific hardware control structure * @dev_ready: platform specific function to read ready/busy pin * @select_chip: platform specific chip select function @@ -591,6 +596,8 @@ struct platform_nand_chip { * All fields are optional and depend on the hardware driver requirements */ struct platform_nand_ctrl { + int (*probe)(struct platform_device *pdev); + void (*remove)(struct platform_device *pdev); void (*hwcontrol)(struct mtd_info *mtd, int cmd); int (*dev_ready)(struct mtd_info *mtd); void (*select_chip)(struct mtd_info *mtd, int chip); |