diff options
Diffstat (limited to 'drivers/mmc/host/sdhci-pltfm.c')
| -rw-r--r-- | drivers/mmc/host/sdhci-pltfm.c | 59 |
1 files changed, 52 insertions, 7 deletions
diff --git a/drivers/mmc/host/sdhci-pltfm.c b/drivers/mmc/host/sdhci-pltfm.c index b6ee0d719698..0502f89f662b 100644 --- a/drivers/mmc/host/sdhci-pltfm.c +++ b/drivers/mmc/host/sdhci-pltfm.c @@ -24,14 +24,16 @@ #include <linux/delay.h> #include <linux/highmem.h> +#include <linux/mod_devicetable.h> #include <linux/platform_device.h> #include <linux/mmc/host.h> #include <linux/io.h> -#include <linux/sdhci-pltfm.h> +#include <linux/mmc/sdhci-pltfm.h> #include "sdhci.h" +#include "sdhci-pltfm.h" /*****************************************************************************\ * * @@ -50,11 +52,18 @@ static struct sdhci_ops sdhci_pltfm_ops = { static int __devinit sdhci_pltfm_probe(struct platform_device *pdev) { - struct sdhci_pltfm_data *pdata = pdev->dev.platform_data; + const struct platform_device_id *platid = platform_get_device_id(pdev); + struct sdhci_pltfm_data *pdata; struct sdhci_host *host; + struct sdhci_pltfm_host *pltfm_host; struct resource *iomem; int ret; + if (platid && platid->driver_data) + pdata = (void *)platid->driver_data; + else + pdata = pdev->dev.platform_data; + iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!iomem) { ret = -ENOMEM; @@ -65,16 +74,19 @@ static int __devinit sdhci_pltfm_probe(struct platform_device *pdev) dev_err(&pdev->dev, "Invalid iomem size. You may " "experience problems.\n"); - if (pdev->dev.parent) - host = sdhci_alloc_host(pdev->dev.parent, 0); + /* Some PCI-based MFD need the parent here */ + if (pdev->dev.parent != &platform_bus) + host = sdhci_alloc_host(pdev->dev.parent, sizeof(*pltfm_host)); else - host = sdhci_alloc_host(&pdev->dev, 0); + host = sdhci_alloc_host(&pdev->dev, sizeof(*pltfm_host)); if (IS_ERR(host)) { ret = PTR_ERR(host); goto err; } + pltfm_host = sdhci_priv(host); + host->hw_name = "platform"; if (pdata && pdata->ops) host->ops = pdata->ops; @@ -99,7 +111,7 @@ static int __devinit sdhci_pltfm_probe(struct platform_device *pdev) } if (pdata && pdata->init) { - ret = pdata->init(host); + ret = pdata->init(host, pdata); if (ret) goto err_plat_init; } @@ -150,6 +162,37 @@ static int __devexit sdhci_pltfm_remove(struct platform_device *pdev) return 0; } +static const struct platform_device_id sdhci_pltfm_ids[] = { + { "sdhci", }, +#ifdef CONFIG_MMC_SDHCI_CNS3XXX + { "sdhci-cns3xxx", (kernel_ulong_t)&sdhci_cns3xxx_pdata }, +#endif +#ifdef CONFIG_MMC_SDHCI_ESDHC_IMX + { "sdhci-esdhc-imx", (kernel_ulong_t)&sdhci_esdhc_imx_pdata }, +#endif + { }, +}; +MODULE_DEVICE_TABLE(platform, sdhci_pltfm_ids); + +#ifdef CONFIG_PM +static int sdhci_pltfm_suspend(struct platform_device *dev, pm_message_t state) +{ + struct sdhci_host *host = platform_get_drvdata(dev); + + return sdhci_suspend_host(host, state); +} + +static int sdhci_pltfm_resume(struct platform_device *dev) +{ + struct sdhci_host *host = platform_get_drvdata(dev); + + return sdhci_resume_host(host); +} +#else +#define sdhci_pltfm_suspend NULL +#define sdhci_pltfm_resume NULL +#endif /* CONFIG_PM */ + static struct platform_driver sdhci_pltfm_driver = { .driver = { .name = "sdhci", @@ -157,6 +200,9 @@ static struct platform_driver sdhci_pltfm_driver = { }, .probe = sdhci_pltfm_probe, .remove = __devexit_p(sdhci_pltfm_remove), + .id_table = sdhci_pltfm_ids, + .suspend = sdhci_pltfm_suspend, + .resume = sdhci_pltfm_resume, }; /*****************************************************************************\ @@ -181,4 +227,3 @@ module_exit(sdhci_drv_exit); MODULE_DESCRIPTION("Secure Digital Host Controller Interface platform driver"); MODULE_AUTHOR("Mocean Laboratories <info@mocean-labs.com>"); MODULE_LICENSE("GPL v2"); -MODULE_ALIAS("platform:sdhci"); |