The platform data is copied into driver's private data and the copy is used for all access to the platform data. This simpifies the addition of device tree support for the sdhci-s3c driver.
Signed-off-by: Thomas Abraham <[email protected]> --- drivers/mmc/host/sdhci-s3c.c | 11 +++++++++-- 1 files changed, 9 insertions(+), 2 deletions(-) diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c index a57d7a0..1760ba8 100644 --- a/drivers/mmc/host/sdhci-s3c.c +++ b/drivers/mmc/host/sdhci-s3c.c @@ -424,7 +424,7 @@ static inline struct sdhci_s3c_drv_data *sdhci_s3c_get_driver_data( static int __devinit sdhci_s3c_probe(struct platform_device *pdev) { - struct s3c_sdhci_platdata *pdata = pdev->dev.platform_data; + struct s3c_sdhci_platdata *pdata; struct sdhci_s3c_drv_data *drv_data; struct device *dev = &pdev->dev; struct sdhci_host *host; @@ -432,7 +432,7 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev) struct resource *res; int ret, irq, ptr, clks; - if (!pdata) { + if (!pdev->dev.platform_data) { dev_err(dev, "no device data specified\n"); return -ENOENT; } @@ -455,6 +455,13 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev) return PTR_ERR(host); } + pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL); + if (!pdata) { + ret = -ENOMEM; + goto err_io_clk; + } + memcpy(pdata, pdev->dev.platform_data, sizeof(*pdata)); + drv_data = sdhci_s3c_get_driver_data(pdev); sc = sdhci_priv(host); -- 1.6.6.rc2 _______________________________________________ devicetree-discuss mailing list [email protected] https://lists.ozlabs.org/listinfo/devicetree-discuss
