On Sat, Jun 21, 2014 at 11:21:47PM +0100, Robert Jarzmik wrote:
> Add device-tree support to pxa_camera host driver.
>
> Signed-off-by: Robert Jarzmik <robert.jarzmik@xxxxxxx>
> ---
> drivers/media/platform/soc_camera/pxa_camera.c | 77 +++++++++++++++++++++++++-
> 1 file changed, 75 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/media/platform/soc_camera/pxa_camera.c b/drivers/media/platform/soc_camera/pxa_camera.c
> index d4df305..8c9de9e 100644
> --- a/drivers/media/platform/soc_camera/pxa_camera.c
> +++ b/drivers/media/platform/soc_camera/pxa_camera.c
> @@ -34,6 +34,7 @@
> #include <media/videobuf-dma-sg.h>
> #include <media/soc_camera.h>
> #include <media/soc_mediabus.h>
> +#include <media/v4l2-of.h>
>
> #include <linux/videodev2.h>
>
> @@ -1650,6 +1651,64 @@ static struct soc_camera_host_ops pxa_soc_camera_host_ops = {
> .set_bus_param = pxa_camera_set_bus_param,
> };
>
> +static int pxa_camera_pdata_from_dt(struct device *dev,
> + struct pxa_camera_dev *pcdev)
> +{
> + int err = 0;
> + struct device_node *np = dev->of_node;
> + struct v4l2_of_endpoint ep;
> +
> + err = of_property_read_u32(np, "clock-frequency",
> + (u32 *)&pcdev->mclk);
That cast is either unnecessary or this code is broken.
Use a temporary u32 if the types don't match.
Mark.
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