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path: root/drivers/mmc/omap.c
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Diffstat (limited to 'drivers/mmc/omap.c')
-rw-r--r--drivers/mmc/omap.c52
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;