diff options
| -rw-r--r-- | arch/arm/mach-omap2/gpmc-onenand.c | 10 | ||||
| -rw-r--r-- | arch/arm/plat-omap/include/plat/onenand.h | 2 | ||||
| -rw-r--r-- | drivers/mtd/onenand/omap2.c | 28 |
3 files changed, 12 insertions, 28 deletions
diff --git a/arch/arm/mach-omap2/gpmc-onenand.c b/arch/arm/mach-omap2/gpmc-onenand.c index 3a4307b8f7c..46786a606e9 100644 --- a/arch/arm/mach-omap2/gpmc-onenand.c +++ b/arch/arm/mach-omap2/gpmc-onenand.c @@ -123,7 +123,7 @@ static void set_onenand_cfg(void __iomem *onenand_base, int latency, static int omap2_onenand_set_sync_mode(struct omap_onenand_platform_data *cfg, void __iomem *onenand_base, - int freq) + int *freq_ptr) { struct gpmc_timings t; const int t_cer = 15; @@ -136,7 +136,7 @@ static int omap2_onenand_set_sync_mode(struct omap_onenand_platform_data *cfg, int tick_ns, div, fclk_offset_ns, fclk_offset, gpmc_clk_ns, latency; int first_time = 0, hf = 0, vhf = 0, sync_read = 0, sync_write = 0; int err, ticks_cez; - int cs = cfg->cs; + int cs = cfg->cs, freq = *freq_ptr; u32 reg; if (cfg->flags & ONENAND_SYNC_READ) { @@ -330,16 +330,18 @@ static int omap2_onenand_set_sync_mode(struct omap_onenand_platform_data *cfg, set_onenand_cfg(onenand_base, latency, sync_read, sync_write, hf, vhf); + *freq_ptr = freq; + return 0; } -static int gpmc_onenand_setup(void __iomem *onenand_base, int freq) +static int gpmc_onenand_setup(void __iomem *onenand_base, int *freq_ptr) { struct device *dev = &gpmc_onenand_device.dev; /* Set sync timings in GPMC */ if (omap2_onenand_set_sync_mode(gpmc_onenand_data, onenand_base, - freq) < 0) { + freq_ptr) < 0) { dev_err(dev, "Unable to set synchronous mode\n"); return -EINVAL; } diff --git a/arch/arm/plat-omap/include/plat/onenand.h b/arch/arm/plat-omap/include/plat/onenand.h index affe87e9ece..86118dc3f19 100644 --- a/arch/arm/plat-omap/include/plat/onenand.h +++ b/arch/arm/plat-omap/include/plat/onenand.h @@ -20,7 +20,7 @@ struct omap_onenand_platform_data { int gpio_irq; struct mtd_partition *parts; int nr_parts; - int (*onenand_setup)(void __iomem *, int freq); + int (*onenand_setup)(void __iomem *, int *freq_ptr); int dma_channel; u8 flags; u8 regulator_can_sleep; diff --git a/drivers/mtd/onenand/omap2.c b/drivers/mtd/onenand/omap2.c index ac31f461cc1..3e1bb956882 100644 --- a/drivers/mtd/onenand/omap2.c +++ b/drivers/mtd/onenand/omap2.c @@ -63,7 +63,7 @@ struct omap2_onenand { struct completion dma_done; int dma_channel; int freq; - int (*setup)(void __iomem *base, int freq); + int (*setup)(void __iomem *base, int *freq_ptr); struct regulator *regulator; }; @@ -581,7 +581,7 @@ static int __adjust_timing(struct device *dev, void *data) /* DMA is not in use so this is all that is needed */ /* Revisit for OMAP3! */ - ret = c->setup(c->onenand.base, c->freq); + ret = c->setup(c->onenand.base, &c->freq); return ret; } @@ -673,7 +673,7 @@ static int __devinit omap2_onenand_probe(struct platform_device *pdev) } if (pdata->onenand_setup != NULL) { - r = pdata->onenand_setup(c->onenand.base, c->freq); + r = pdata->onenand_setup(c->onenand.base, &c->freq); if (r < 0) { dev_err(&pdev->dev, "Onenand platform setup failed: " "%d\n", r); @@ -718,8 +718,8 @@ static int __devinit omap2_onenand_probe(struct platform_device *pdev) } dev_info(&pdev->dev, "initializing on CS%d, phys base 0x%08lx, virtual " - "base %p\n", c->gpmc_cs, c->phys_base, - c->onenand.base); + "base %p, freq %d MHz\n", c->gpmc_cs, c->phys_base, + c->onenand.base, c->freq); c->pdev = pdev; c->mtd.name = dev_name(&pdev->dev); @@ -754,24 +754,6 @@ static int __devinit omap2_onenand_probe(struct platform_device *pdev) if ((r = onenand_scan(&c->mtd, 1)) < 0) goto err_release_regulator; - switch ((c->onenand.version_id >> 4) & 0xf) { - case 0: - c->freq = 40; - break; - case 1: - c->freq = 54; - break; - case 2: - c->freq = 66; - break; - case 3: - c->freq = 83; - break; - case 4: - c->freq = 104; - break; - } - #ifdef CONFIG_MTD_PARTITIONS r = parse_mtd_partitions(&c->mtd, part_probes, &c->parts, 0); if (r > 0) |