diff options
Diffstat (limited to 'drivers/mmc/omap.c')
-rw-r--r-- | drivers/mmc/omap.c | 52 |
1 files changed, 24 insertions, 28 deletions
diff --git a/drivers/mmc/omap.c b/drivers/mmc/omap.c index becb3c68c34..ddf06b32c15 100644 --- a/drivers/mmc/omap.c +++ b/drivers/mmc/omap.c @@ -11,7 +11,6 @@ * published by the Free Software Foundation. */ -#include <linux/config.h> #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/init.h> @@ -61,6 +60,7 @@ struct mmc_omap_host { unsigned char id; /* 16xx chips have 2 MMC blocks */ struct clk * iclk; struct clk * fclk; + struct resource *res; void __iomem *base; int irq; unsigned char bus_mode; @@ -340,8 +340,6 @@ static void mmc_omap_xfer_data(struct mmc_omap_host *host, int write) { int n; - void __iomem *reg; - u16 *p; if (host->buffer_bytes_left == 0) { host->sg_idx++; @@ -584,10 +582,10 @@ mmc_omap_prepare_dma(struct mmc_omap_host *host, struct mmc_data *data) int sync_dev = 0; data_addr = io_v2p((u32) host->base) + OMAP_MMC_REG_DATA; - frame = 1 << data->blksz_bits; + frame = data->blksz; count = sg_dma_len(sg); - if ((data->blocks == 1) && (count > (1 << data->blksz_bits))) + if ((data->blocks == 1) && (count > data->blksz)) count = frame; host->dma_len = count; @@ -658,12 +656,12 @@ static void mmc_omap_dma_cb(int lch, u16 ch_status, void *data) struct mmc_data *mmcdat = host->data; if (unlikely(host->dma_ch < 0)) { - dev_err(mmc_dev(host->mmc), "DMA callback while DMA not - enabled\n"); + dev_err(mmc_dev(host->mmc), + "DMA callback while DMA not enabled\n"); return; } /* FIXME: We really should do something to _handle_ the errors */ - if (ch_status & OMAP_DMA_TOUT_IRQ) { + if (ch_status & OMAP1_DMA_TOUT_IRQ) { dev_err(mmc_dev(host->mmc),"DMA timeout\n"); return; } @@ -776,7 +774,7 @@ mmc_omap_prepare_data(struct mmc_omap_host *host, struct mmc_request *req) } - block_size = 1 << data->blksz_bits; + block_size = data->blksz; OMAP_MMC_WRITE(host->base, NBLK, data->blocks - 1); OMAP_MMC_WRITE(host->base, BLEN, block_size - 1); @@ -973,20 +971,20 @@ static int __init mmc_omap_probe(struct platform_device *pdev) struct omap_mmc_conf *minfo = pdev->dev.platform_data; struct mmc_host *mmc; struct mmc_omap_host *host = NULL; + struct resource *r; int ret = 0; + int irq; - if (platform_get_resource(pdev, IORESOURCE_MEM, 0) || - platform_get_irq(pdev, IORESOURCE_IRQ, 0)) { - dev_err(&pdev->dev, "mmc_omap_probe: invalid resource type\n"); - return -ENODEV; - } + r = platform_get_resource(pdev, IORESOURCE_MEM, 0); + irq = platform_get_irq(pdev, 0); + if (!r || irq < 0) + return -ENXIO; - if (!request_mem_region(pdev->resource[0].start, + r = request_mem_region(pdev->resource[0].start, pdev->resource[0].end - pdev->resource[0].start + 1, - pdev->name)) { - dev_dbg(&pdev->dev, "request_mem_region failed\n"); + pdev->name); + if (!r) return -EBUSY; - } mmc = mmc_alloc_host(sizeof(struct mmc_omap_host), &pdev->dev); if (!mmc) { @@ -1003,6 +1001,8 @@ static int __init mmc_omap_probe(struct platform_device *pdev) host->dma_timer.data = (unsigned long) host; host->id = pdev->id; + host->res = r; + host->irq = irq; if (cpu_is_omap24xx()) { host->iclk = clk_get(&pdev->dev, "mmc_ick"); @@ -1032,13 +1032,9 @@ static int __init mmc_omap_probe(struct platform_device *pdev) host->dma_ch = -1; host->irq = pdev->resource[1].start; - host->base = ioremap(pdev->res.start, SZ_4K); - if (!host->base) { - ret = -ENOMEM; - goto out; - } + host->base = (void __iomem*)IO_ADDRESS(r->start); - if (minfo->wire4) + if (minfo->wire4) mmc->caps |= MMC_CAP_4_BIT_DATA; mmc->ops = &mmc_omap_ops; @@ -1057,8 +1053,8 @@ static int __init mmc_omap_probe(struct platform_device *pdev) if (host->power_pin >= 0) { if ((ret = omap_request_gpio(host->power_pin)) != 0) { - dev_err(mmc_dev(host->mmc), "Unable to get GPIO - pin for MMC power\n"); + dev_err(mmc_dev(host->mmc), + "Unable to get GPIO pin for MMC power\n"); goto out; } omap_set_gpio_direction(host->power_pin, 0); @@ -1086,7 +1082,7 @@ static int __init mmc_omap_probe(struct platform_device *pdev) omap_set_gpio_direction(host->switch_pin, 1); ret = request_irq(OMAP_GPIO_IRQ(host->switch_pin), - mmc_omap_switch_irq, SA_TRIGGER_RISING, DRIVER_NAME, host); + mmc_omap_switch_irq, IRQF_TRIGGER_RISING, DRIVER_NAME, host); if (ret) { dev_warn(mmc_dev(host->mmc), "Unable to get IRQ for MMC cover switch\n"); omap_free_gpio(host->switch_pin); @@ -1100,7 +1096,7 @@ static int __init mmc_omap_probe(struct platform_device *pdev) device_remove_file(&pdev->dev, &dev_attr_cover_switch); } if (ret) { - dev_wan(mmc_dev(host->mmc), "Unable to create sysfs attributes\n"); + dev_warn(mmc_dev(host->mmc), "Unable to create sysfs attributes\n"); free_irq(OMAP_GPIO_IRQ(host->switch_pin), host); omap_free_gpio(host->switch_pin); host->switch_pin = -1; |