diff options
Diffstat (limited to 'drivers/mtd/onenand/samsung.c')
| -rw-r--r-- | drivers/mtd/onenand/samsung.c | 59 |
1 files changed, 16 insertions, 43 deletions
diff --git a/drivers/mtd/onenand/samsung.c b/drivers/mtd/onenand/samsung.c index a4c74a9ba43..efb819c3df2 100644 --- a/drivers/mtd/onenand/samsung.c +++ b/drivers/mtd/onenand/samsung.c @@ -23,11 +23,11 @@ #include <linux/mtd/partitions.h> #include <linux/dma-mapping.h> #include <linux/interrupt.h> +#include <linux/io.h> #include <asm/mach/flash.h> -#include <plat/regs-onenand.h> -#include <linux/io.h> +#include "samsung.h" enum soc_type { TYPE_S3C6400, @@ -147,9 +147,6 @@ struct s3c_onenand { struct resource *dma_res; unsigned long phys_base; struct completion complete; -#ifdef CONFIG_MTD_PARTITIONS - struct mtd_partition *parts; -#endif }; #define CMD_MAP_00(dev, addr) (dev->cmd_map(MAP_00, ((addr) << 1))) @@ -159,10 +156,6 @@ struct s3c_onenand { static struct s3c_onenand *onenand; -#ifdef CONFIG_MTD_PARTITIONS -static const char *part_probes[] = { "cmdlinepart", NULL, }; -#endif - static inline int s3c_read_reg(int offset) { return readl(onenand->base + offset); @@ -544,9 +537,9 @@ static int onenand_write_bufferram(struct mtd_info *mtd, int area, return 0; } -static int (*s5pc110_dma_ops)(void *dst, void *src, size_t count, int direction); +static int (*s5pc110_dma_ops)(dma_addr_t dst, dma_addr_t src, size_t count, int direction); -static int s5pc110_dma_poll(void *dst, void *src, size_t count, int direction) +static int s5pc110_dma_poll(dma_addr_t dst, dma_addr_t src, size_t count, int direction) { void __iomem *base = onenand->dma_addr; int status; @@ -612,7 +605,7 @@ static irqreturn_t s5pc110_onenand_irq(int irq, void *data) return IRQ_HANDLED; } -static int s5pc110_dma_irq(void *dst, void *src, size_t count, int direction) +static int s5pc110_dma_irq(dma_addr_t dst, dma_addr_t src, size_t count, int direction) { void __iomem *base = onenand->dma_addr; int status; @@ -693,7 +686,7 @@ static int s5pc110_read_bufferram(struct mtd_info *mtd, int area, dev_err(dev, "Couldn't map a %d byte buffer for DMA\n", count); goto normal; } - err = s5pc110_dma_ops((void *) dma_dst, (void *) dma_src, + err = s5pc110_dma_ops(dma_dst, dma_src, count, S5PC110_DMA_DIR_READ); if (page_dma) @@ -874,15 +867,13 @@ static int s3c_onenand_probe(struct platform_device *pdev) struct resource *r; int size, err; - pdata = pdev->dev.platform_data; + pdata = dev_get_platdata(&pdev->dev); /* No need to check pdata. the platform data is optional */ size = sizeof(struct mtd_info) + sizeof(struct onenand_chip); mtd = kzalloc(size, GFP_KERNEL); - if (!mtd) { - dev_err(&pdev->dev, "failed to allocate memory\n"); + if (!mtd) return -ENOMEM; - } onenand = kzalloc(sizeof(struct s3c_onenand), GFP_KERNEL); if (!onenand) { @@ -930,7 +921,7 @@ static int s3c_onenand_probe(struct platform_device *pdev) r = platform_get_resource(pdev, IORESOURCE_MEM, 1); if (!r) { dev_err(&pdev->dev, "no buffer memory resource defined\n"); - return -ENOENT; + err = -ENOENT; goto ahb_resource_failed; } @@ -971,7 +962,7 @@ static int s3c_onenand_probe(struct platform_device *pdev) r = platform_get_resource(pdev, IORESOURCE_MEM, 1); if (!r) { dev_err(&pdev->dev, "no dma memory resource defined\n"); - return -ENOENT; + err = -ENOENT; goto dma_resource_failed; } @@ -1021,15 +1012,9 @@ static int s3c_onenand_probe(struct platform_device *pdev) if (s3c_read_reg(MEM_CFG_OFFSET) & ONENAND_SYS_CFG1_SYNC_READ) dev_info(&onenand->pdev->dev, "OneNAND Sync. Burst Read enabled\n"); -#ifdef CONFIG_MTD_PARTITIONS - err = parse_mtd_partitions(mtd, part_probes, &onenand->parts, 0); - if (err > 0) - add_mtd_partitions(mtd, onenand->parts, err); - else if (err <= 0 && pdata && pdata->parts) - add_mtd_partitions(mtd, pdata->parts, pdata->nr_parts); - else -#endif - err = add_mtd_device(mtd); + err = mtd_device_parse_register(mtd, NULL, NULL, + pdata ? pdata->parts : NULL, + pdata ? pdata->nr_parts : 0); platform_set_drvdata(pdev, mtd); @@ -1066,7 +1051,7 @@ onenand_fail: return err; } -static int __devexit s3c_onenand_remove(struct platform_device *pdev) +static int s3c_onenand_remove(struct platform_device *pdev) { struct mtd_info *mtd = platform_get_drvdata(pdev); @@ -1086,7 +1071,6 @@ static int __devexit s3c_onenand_remove(struct platform_device *pdev) release_mem_region(onenand->base_res->start, resource_size(onenand->base_res)); - platform_set_drvdata(pdev, NULL); kfree(onenand->oob_buf); kfree(onenand->page_buf); kfree(onenand); @@ -1143,21 +1127,10 @@ static struct platform_driver s3c_onenand_driver = { }, .id_table = s3c_onenand_driver_ids, .probe = s3c_onenand_probe, - .remove = __devexit_p(s3c_onenand_remove), + .remove = s3c_onenand_remove, }; -static int __init s3c_onenand_init(void) -{ - return platform_driver_register(&s3c_onenand_driver); -} - -static void __exit s3c_onenand_exit(void) -{ - platform_driver_unregister(&s3c_onenand_driver); -} - -module_init(s3c_onenand_init); -module_exit(s3c_onenand_exit); +module_platform_driver(s3c_onenand_driver); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Kyungmin Park <kyungmin.park@samsung.com>"); |