diff options
| author | Wolfram Sang <w.sang@pengutronix.de> | 2010-10-15 12:20:59 +0200 |
|---|---|---|
| committer | Chris Ball <cjb@laptop.org> | 2010-10-23 21:11:21 +0800 |
| commit | 4b711cb13843f5082e82970dd1e8031383134a65 (patch) | |
| tree | 7d893ce601b08ac630a14ecb5c5e7fe854968ba0 | |
| parent | 9ffca8300abe4bd7260b77b2f82afb01384faabc (diff) | |
mmc: sdhci-pltfm: Add structure for host-specific data
We need to carry some information per host, e.g. the clock. Add a
structure for it and initialize it in the generic part. Also improve
the check for a parent.
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Cc: Richard Röjfors <richard.rojfors.ext@mocean-labs.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
| -rw-r--r-- | drivers/mmc/host/sdhci-pltfm.c | 10 | ||||
| -rw-r--r-- | drivers/mmc/host/sdhci-pltfm.h | 7 |
2 files changed, 14 insertions, 3 deletions
diff --git a/drivers/mmc/host/sdhci-pltfm.c b/drivers/mmc/host/sdhci-pltfm.c index 4f126de5f492..730fdf54ecb0 100644 --- a/drivers/mmc/host/sdhci-pltfm.c +++ b/drivers/mmc/host/sdhci-pltfm.c @@ -55,6 +55,7 @@ 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_host *host; + struct sdhci_pltfm_host *pltfm_host; struct resource *iomem; int ret; @@ -71,16 +72,19 @@ 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; diff --git a/drivers/mmc/host/sdhci-pltfm.h b/drivers/mmc/host/sdhci-pltfm.h index 900f32902f73..93a031973f62 100644 --- a/drivers/mmc/host/sdhci-pltfm.h +++ b/drivers/mmc/host/sdhci-pltfm.h @@ -11,8 +11,15 @@ #ifndef _DRIVERS_MMC_SDHCI_PLTFM_H #define _DRIVERS_MMC_SDHCI_PLTFM_H +#include <linux/clk.h> +#include <linux/types.h> #include <linux/sdhci-pltfm.h> +struct sdhci_pltfm_host { + struct clk *clk; + u32 scratchpad; /* to handle quirks across io-accessor calls */ +}; + extern struct sdhci_pltfm_data sdhci_cns3xxx_pdata; #endif /* _DRIVERS_MMC_SDHCI_PLTFM_H */ |