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path: root/drivers/mmc/host/omap_hsmmc.c
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Diffstat (limited to 'drivers/mmc/host/omap_hsmmc.c')
-rw-r--r--drivers/mmc/host/omap_hsmmc.c181
1 files changed, 79 insertions, 102 deletions
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 47adb161d3ad..5c2b1c10af9c 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -1785,7 +1785,7 @@ static inline struct omap_mmc_platform_data
}
#endif
-static int __init omap_hsmmc_probe(struct platform_device *pdev)
+static int __devinit omap_hsmmc_probe(struct platform_device *pdev)
{
struct omap_mmc_platform_data *pdata = pdev->dev.platform_data;
struct mmc_host *mmc;
@@ -1818,8 +1818,6 @@ static int __init omap_hsmmc_probe(struct platform_device *pdev)
if (res == NULL || irq < 0)
return -ENXIO;
- res->start += pdata->reg_offset;
- res->end += pdata->reg_offset;
res = request_mem_region(res->start, resource_size(res), pdev->name);
if (res == NULL)
return -EBUSY;
@@ -1843,7 +1841,7 @@ static int __init omap_hsmmc_probe(struct platform_device *pdev)
host->dma_ch = -1;
host->irq = irq;
host->slot_id = 0;
- host->mapbase = res->start;
+ host->mapbase = res->start + pdata->reg_offset;
host->base = ioremap(host->mapbase, SZ_4K);
host->power_mode = MMC_POWER_OFF;
host->next_data.cookie = 1;
@@ -1875,8 +1873,6 @@ static int __init omap_hsmmc_probe(struct platform_device *pdev)
goto err1;
}
- omap_hsmmc_context_save(host);
-
if (host->pdata->controller_flags & OMAP_HSMMC_BROKEN_MULTIBLOCK_READ) {
dev_info(&pdev->dev, "multiblock reads disabled due to 35xx erratum 2.1.1.128; MMC read performance may suffer\n");
mmc->caps2 |= MMC_CAP2_NO_MULTI_READ;
@@ -1887,6 +1883,8 @@ static int __init omap_hsmmc_probe(struct platform_device *pdev)
pm_runtime_set_autosuspend_delay(host->dev, MMC_AUTOSUSPEND_DELAY);
pm_runtime_use_autosuspend(host->dev);
+ omap_hsmmc_context_save(host);
+
if (cpu_is_omap2430()) {
host->dbclk = clk_get(&pdev->dev, "mmchsdb_fck");
/*
@@ -2018,8 +2016,7 @@ err_reg:
err_irq_cd_init:
free_irq(host->irq, host);
err_irq:
- pm_runtime_mark_last_busy(host->dev);
- pm_runtime_put_autosuspend(host->dev);
+ pm_runtime_put_sync(host->dev);
pm_runtime_disable(host->dev);
clk_put(host->fclk);
if (host->got_dbclk) {
@@ -2037,35 +2034,33 @@ err:
return ret;
}
-static int omap_hsmmc_remove(struct platform_device *pdev)
+static int __devexit omap_hsmmc_remove(struct platform_device *pdev)
{
struct omap_hsmmc_host *host = platform_get_drvdata(pdev);
struct resource *res;
- if (host) {
- pm_runtime_get_sync(host->dev);
- mmc_remove_host(host->mmc);
- if (host->use_reg)
- omap_hsmmc_reg_put(host);
- if (host->pdata->cleanup)
- host->pdata->cleanup(&pdev->dev);
- free_irq(host->irq, host);
- if (mmc_slot(host).card_detect_irq)
- free_irq(mmc_slot(host).card_detect_irq, host);
-
- pm_runtime_put_sync(host->dev);
- pm_runtime_disable(host->dev);
- clk_put(host->fclk);
- if (host->got_dbclk) {
- clk_disable(host->dbclk);
- clk_put(host->dbclk);
- }
+ pm_runtime_get_sync(host->dev);
+ mmc_remove_host(host->mmc);
+ if (host->use_reg)
+ omap_hsmmc_reg_put(host);
+ if (host->pdata->cleanup)
+ host->pdata->cleanup(&pdev->dev);
+ free_irq(host->irq, host);
+ if (mmc_slot(host).card_detect_irq)
+ free_irq(mmc_slot(host).card_detect_irq, host);
- mmc_free_host(host->mmc);
- iounmap(host->base);
- omap_hsmmc_gpio_free(pdev->dev.platform_data);
+ pm_runtime_put_sync(host->dev);
+ pm_runtime_disable(host->dev);
+ clk_put(host->fclk);
+ if (host->got_dbclk) {
+ clk_disable(host->dbclk);
+ clk_put(host->dbclk);
}
+ mmc_free_host(host->mmc);
+ iounmap(host->base);
+ omap_hsmmc_gpio_free(pdev->dev.platform_data);
+
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (res)
release_mem_region(res->start, resource_size(res));
@@ -2078,49 +2073,45 @@ static int omap_hsmmc_remove(struct platform_device *pdev)
static int omap_hsmmc_suspend(struct device *dev)
{
int ret = 0;
- struct platform_device *pdev = to_platform_device(dev);
- struct omap_hsmmc_host *host = platform_get_drvdata(pdev);
+ struct omap_hsmmc_host *host = dev_get_drvdata(dev);
- if (host && host->suspended)
+ if (!host)
return 0;
- if (host) {
- pm_runtime_get_sync(host->dev);
- host->suspended = 1;
- if (host->pdata->suspend) {
- ret = host->pdata->suspend(&pdev->dev,
- host->slot_id);
- if (ret) {
- dev_dbg(mmc_dev(host->mmc),
- "Unable to handle MMC board"
- " level suspend\n");
- host->suspended = 0;
- return ret;
- }
- }
- ret = mmc_suspend_host(host->mmc);
+ if (host && host->suspended)
+ return 0;
+ pm_runtime_get_sync(host->dev);
+ host->suspended = 1;
+ if (host->pdata->suspend) {
+ ret = host->pdata->suspend(dev, host->slot_id);
if (ret) {
+ dev_dbg(dev, "Unable to handle MMC board"
+ " level suspend\n");
host->suspended = 0;
- if (host->pdata->resume) {
- ret = host->pdata->resume(&pdev->dev,
- host->slot_id);
- if (ret)
- dev_dbg(mmc_dev(host->mmc),
- "Unmask interrupt failed\n");
- }
- goto err;
+ return ret;
}
+ }
+ ret = mmc_suspend_host(host->mmc);
- if (!(host->mmc->pm_flags & MMC_PM_KEEP_POWER)) {
- omap_hsmmc_disable_irq(host);
- OMAP_HSMMC_WRITE(host->base, HCTL,
- OMAP_HSMMC_READ(host->base, HCTL) & ~SDBP);
+ if (ret) {
+ host->suspended = 0;
+ if (host->pdata->resume) {
+ ret = host->pdata->resume(dev, host->slot_id);
+ if (ret)
+ dev_dbg(dev, "Unmask interrupt failed\n");
}
- if (host->got_dbclk)
- clk_disable(host->dbclk);
+ goto err;
+ }
+ if (!(host->mmc->pm_flags & MMC_PM_KEEP_POWER)) {
+ omap_hsmmc_disable_irq(host);
+ OMAP_HSMMC_WRITE(host->base, HCTL,
+ OMAP_HSMMC_READ(host->base, HCTL) & ~SDBP);
}
+
+ if (host->got_dbclk)
+ clk_disable(host->dbclk);
err:
pm_runtime_put_sync(host->dev);
return ret;
@@ -2130,38 +2121,37 @@ err:
static int omap_hsmmc_resume(struct device *dev)
{
int ret = 0;
- struct platform_device *pdev = to_platform_device(dev);
- struct omap_hsmmc_host *host = platform_get_drvdata(pdev);
+ struct omap_hsmmc_host *host = dev_get_drvdata(dev);
+
+ if (!host)
+ return 0;
if (host && !host->suspended)
return 0;
- if (host) {
- pm_runtime_get_sync(host->dev);
+ pm_runtime_get_sync(host->dev);
- if (host->got_dbclk)
- clk_enable(host->dbclk);
+ if (host->got_dbclk)
+ clk_enable(host->dbclk);
- if (!(host->mmc->pm_flags & MMC_PM_KEEP_POWER))
- omap_hsmmc_conf_bus_power(host);
+ if (!(host->mmc->pm_flags & MMC_PM_KEEP_POWER))
+ omap_hsmmc_conf_bus_power(host);
- if (host->pdata->resume) {
- ret = host->pdata->resume(&pdev->dev, host->slot_id);
- if (ret)
- dev_dbg(mmc_dev(host->mmc),
- "Unmask interrupt failed\n");
- }
+ if (host->pdata->resume) {
+ ret = host->pdata->resume(dev, host->slot_id);
+ if (ret)
+ dev_dbg(dev, "Unmask interrupt failed\n");
+ }
- omap_hsmmc_protect_card(host);
+ omap_hsmmc_protect_card(host);
- /* Notify the core to resume the host */
- ret = mmc_resume_host(host->mmc);
- if (ret == 0)
- host->suspended = 0;
+ /* Notify the core to resume the host */
+ ret = mmc_resume_host(host->mmc);
+ if (ret == 0)
+ host->suspended = 0;
- pm_runtime_mark_last_busy(host->dev);
- pm_runtime_put_autosuspend(host->dev);
- }
+ pm_runtime_mark_last_busy(host->dev);
+ pm_runtime_put_autosuspend(host->dev);
return ret;
@@ -2178,7 +2168,7 @@ static int omap_hsmmc_runtime_suspend(struct device *dev)
host = platform_get_drvdata(to_platform_device(dev));
omap_hsmmc_context_save(host);
- dev_dbg(mmc_dev(host->mmc), "disabled\n");
+ dev_dbg(dev, "disabled\n");
return 0;
}
@@ -2189,7 +2179,7 @@ static int omap_hsmmc_runtime_resume(struct device *dev)
host = platform_get_drvdata(to_platform_device(dev));
omap_hsmmc_context_restore(host);
- dev_dbg(mmc_dev(host->mmc), "enabled\n");
+ dev_dbg(dev, "enabled\n");
return 0;
}
@@ -2202,7 +2192,8 @@ static struct dev_pm_ops omap_hsmmc_dev_pm_ops = {
};
static struct platform_driver omap_hsmmc_driver = {
- .remove = omap_hsmmc_remove,
+ .probe = omap_hsmmc_probe,
+ .remove = __devexit_p(omap_hsmmc_remove),
.driver = {
.name = DRIVER_NAME,
.owner = THIS_MODULE,
@@ -2211,21 +2202,7 @@ static struct platform_driver omap_hsmmc_driver = {
},
};
-static int __init omap_hsmmc_init(void)
-{
- /* Register the MMC driver */
- return platform_driver_probe(&omap_hsmmc_driver, omap_hsmmc_probe);
-}
-
-static void __exit omap_hsmmc_cleanup(void)
-{
- /* Unregister MMC driver */
- platform_driver_unregister(&omap_hsmmc_driver);
-}
-
-module_init(omap_hsmmc_init);
-module_exit(omap_hsmmc_cleanup);
-
+module_platform_driver(omap_hsmmc_driver);
MODULE_DESCRIPTION("OMAP High Speed Multimedia Card driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:" DRIVER_NAME);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-14 21:53:30 +0000