The custom init call may need more data to perform its job, so we pass
it a pointer to the platform_data, too. Now, for drivers extending
sdhci-pltfm (like sdhci-cns3xxx), a fixed platform_data is used
according to the platform device id. Because that one does not contain
board specific information, we simply name the board specific
information information priv_pdata and pass it to the init routine as
well. (Note: the old behaviour was that you could override the platform
id specific data with your own. However, one can still do this by using
the "sdhci" id instead of "sdhci-<something>".)
Signed-off-by: Wolfram Sang <w.sang@xxxxxxxxxxxxxx>
---
Changes since previous version:
Rebased and dropped imx-specific stuff as mentioned by zhangfei gao.
priv_pdata might not be needed as Giuseppe pointed out. Will update with
the next revision of this series, if needed.
drivers/mmc/host/sdhci-pltfm.c | 11 ++++++++---
include/linux/mmc/sdhci-pltfm.h | 3 ++-
2 files changed, 10 insertions(+), 4 deletions(-)
diff --git a/drivers/mmc/host/sdhci-pltfm.c b/drivers/mmc/host/sdhci-pltfm.c
index ff0271c..4076222 100644
--- a/drivers/mmc/host/sdhci-pltfm.c
+++ b/drivers/mmc/host/sdhci-pltfm.c
@@ -52,15 +52,20 @@ 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;
+ void *priv_pdata = NULL;
struct sdhci_host *host;
struct sdhci_pltfm_host *pltfm_host;
struct resource *iomem;
int ret;
- if (!pdata && platid && platid->driver_data)
+ if (platid && platid->driver_data) {
pdata = (void *)platid->driver_data;
+ priv_pdata = pdev->dev.platform_data;
+ } else {
+ pdata = pdev->dev.platform_data;
+ }
iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!iomem) {
@@ -108,7 +113,7 @@ static int __devinit sdhci_pltfm_probe(struct platform_device *pdev)
}
if (pdata && pdata->init) {
- ret = pdata->init(host);
+ ret = pdata->init(host, pdata, priv_pdata);
if (ret)
goto err_plat_init;
}
diff --git a/include/linux/mmc/sdhci-pltfm.h b/include/linux/mmc/sdhci-pltfm.h
index 0239bd7..cafb96b 100644
--- a/include/linux/mmc/sdhci-pltfm.h
+++ b/include/linux/mmc/sdhci-pltfm.h
@@ -28,7 +28,8 @@ struct sdhci_host;
struct sdhci_pltfm_data {
struct sdhci_ops *ops;
unsigned int quirks;
- int (*init)(struct sdhci_host *host);
+ int (*init)(struct sdhci_host *host, struct sdhci_pltfm_data *pdata,
+ void *priv_pdata);
void (*exit)(struct sdhci_host *host);
};
--
1.7.1
--
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