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path: root/drivers/mmc/host/tmio_mmc.c
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Diffstat (limited to 'drivers/mmc/host/tmio_mmc.c')
-rw-r--r--drivers/mmc/host/tmio_mmc.c93
1 files changed, 50 insertions, 43 deletions
diff --git a/drivers/mmc/host/tmio_mmc.c b/drivers/mmc/host/tmio_mmc.c
index 79c568461d5..cfad844730d 100644
--- a/drivers/mmc/host/tmio_mmc.c
+++ b/drivers/mmc/host/tmio_mmc.c
@@ -23,59 +23,60 @@
#include "tmio_mmc.h"
-#ifdef CONFIG_PM
-static int tmio_mmc_suspend(struct platform_device *dev, pm_message_t state)
+#ifdef CONFIG_PM_SLEEP
+static int tmio_mmc_suspend(struct device *dev)
{
- const struct mfd_cell *cell = mfd_get_cell(dev);
- struct mmc_host *mmc = platform_get_drvdata(dev);
+ struct platform_device *pdev = to_platform_device(dev);
+ const struct mfd_cell *cell = mfd_get_cell(pdev);
int ret;
- ret = mmc_suspend_host(mmc);
+ ret = tmio_mmc_host_suspend(dev);
/* Tell MFD core it can disable us now.*/
if (!ret && cell->disable)
- cell->disable(dev);
+ cell->disable(pdev);
return ret;
}
-static int tmio_mmc_resume(struct platform_device *dev)
+static int tmio_mmc_resume(struct device *dev)
{
- const struct mfd_cell *cell = mfd_get_cell(dev);
- struct mmc_host *mmc = platform_get_drvdata(dev);
+ struct platform_device *pdev = to_platform_device(dev);
+ const struct mfd_cell *cell = mfd_get_cell(pdev);
int ret = 0;
/* Tell the MFD core we are ready to be enabled */
- if (cell->resume) {
- ret = cell->resume(dev);
- if (ret)
- goto out;
- }
+ if (cell->resume)
+ ret = cell->resume(pdev);
- mmc_resume_host(mmc);
+ if (!ret)
+ ret = tmio_mmc_host_resume(dev);
-out:
return ret;
}
-#else
-#define tmio_mmc_suspend NULL
-#define tmio_mmc_resume NULL
#endif
-static int __devinit tmio_mmc_probe(struct platform_device *pdev)
+static int tmio_mmc_probe(struct platform_device *pdev)
{
const struct mfd_cell *cell = mfd_get_cell(pdev);
struct tmio_mmc_data *pdata;
struct tmio_mmc_host *host;
- int ret = -EINVAL;
+ struct resource *res;
+ int ret = -EINVAL, irq;
if (pdev->num_resources != 2)
goto out;
- pdata = mfd_get_data(pdev);
+ pdata = pdev->dev.platform_data;
if (!pdata || !pdata->hclk)
goto out;
+ irq = platform_get_irq(pdev, 0);
+ if (irq < 0) {
+ ret = irq;
+ goto out;
+ }
+
/* Tell the MFD core we are ready to be enabled */
if (cell->enable) {
ret = cell->enable(pdev);
@@ -83,15 +84,30 @@ static int __devinit tmio_mmc_probe(struct platform_device *pdev)
goto out;
}
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res)
+ return -EINVAL;
+
+ /* SD control register space size is 0x200, 0x400 for bus_shift=1 */
+ pdata->bus_shift = resource_size(res) >> 10;
+ pdata->flags |= TMIO_MMC_HAVE_HIGH_REG;
+
ret = tmio_mmc_host_probe(&host, pdev, pdata);
if (ret)
goto cell_disable;
+ ret = request_irq(irq, tmio_mmc_irq, IRQF_TRIGGER_FALLING,
+ dev_name(&pdev->dev), host);
+ if (ret)
+ goto host_remove;
+
pr_info("%s at 0x%08lx irq %d\n", mmc_hostname(host->mmc),
- (unsigned long)host->ctl, host->irq);
+ (unsigned long)host->ctl, irq);
return 0;
+host_remove:
+ tmio_mmc_host_remove(host);
cell_disable:
if (cell->disable)
cell->disable(pdev);
@@ -99,15 +115,15 @@ out:
return ret;
}
-static int __devexit tmio_mmc_remove(struct platform_device *pdev)
+static int tmio_mmc_remove(struct platform_device *pdev)
{
const struct mfd_cell *cell = mfd_get_cell(pdev);
struct mmc_host *mmc = platform_get_drvdata(pdev);
- platform_set_drvdata(pdev, NULL);
-
if (mmc) {
- tmio_mmc_host_remove(mmc_priv(mmc));
+ struct tmio_mmc_host *host = mmc_priv(mmc);
+ free_irq(platform_get_irq(pdev, 0), host);
+ tmio_mmc_host_remove(host);
if (cell->disable)
cell->disable(pdev);
}
@@ -117,30 +133,21 @@ static int __devexit tmio_mmc_remove(struct platform_device *pdev)
/* ------------------- device registration ----------------------- */
+static const struct dev_pm_ops tmio_mmc_dev_pm_ops = {
+ SET_SYSTEM_SLEEP_PM_OPS(tmio_mmc_suspend, tmio_mmc_resume)
+};
+
static struct platform_driver tmio_mmc_driver = {
.driver = {
.name = "tmio-mmc",
.owner = THIS_MODULE,
+ .pm = &tmio_mmc_dev_pm_ops,
},
.probe = tmio_mmc_probe,
- .remove = __devexit_p(tmio_mmc_remove),
- .suspend = tmio_mmc_suspend,
- .resume = tmio_mmc_resume,
+ .remove = tmio_mmc_remove,
};
-
-static int __init tmio_mmc_init(void)
-{
- return platform_driver_register(&tmio_mmc_driver);
-}
-
-static void __exit tmio_mmc_exit(void)
-{
- platform_driver_unregister(&tmio_mmc_driver);
-}
-
-module_init(tmio_mmc_init);
-module_exit(tmio_mmc_exit);
+module_platform_driver(tmio_mmc_driver);
MODULE_DESCRIPTION("Toshiba TMIO SD/MMC driver");
MODULE_AUTHOR("Ian Molton <spyro@f2s.com>");