On Tue, Nov 22, 2011 at 01:01:55PM +0100, Javier Martin wrote:
> eMMa-PrP device included in Freescale i.MX2 chips can also
> be used separately to process memory buffers.
>
> Signed-off-by: Javier Martin <javier.mar...@vista-silicon.com>
> ---
> arch/arm/mach-imx/devices-imx27.h | 2 +
> arch/arm/plat-mxc/devices/platform-mx2-camera.c | 33
> +++++++++++++++++++++++
> arch/arm/plat-mxc/include/mach/devices-common.h | 2 +
> 3 files changed, 37 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/mach-imx/devices-imx27.h
> b/arch/arm/mach-imx/devices-imx27.h
> index 2f727d7..519aa36 100644
> --- a/arch/arm/mach-imx/devices-imx27.h
> +++ b/arch/arm/mach-imx/devices-imx27.h
> @@ -50,6 +50,8 @@ extern const struct imx_imx_uart_1irq_data
> imx27_imx_uart_data[];
> extern const struct imx_mx2_camera_data imx27_mx2_camera_data;
> #define imx27_add_mx2_camera(pdata) \
> imx_add_mx2_camera(&imx27_mx2_camera_data, pdata)
> +#define imx27_alloc_mx2_emmaprp(pdata) \
> + imx_alloc_mx2_emmaprp(&imx27_mx2_camera_data)
>
> extern const struct imx_mxc_ehci_data imx27_mxc_ehci_otg_data;
> #define imx27_add_mxc_ehci_otg(pdata) \
> diff --git a/arch/arm/plat-mxc/devices/platform-mx2-camera.c
> b/arch/arm/plat-mxc/devices/platform-mx2-camera.c
> index b3f4828..4a8bd73 100644
> --- a/arch/arm/plat-mxc/devices/platform-mx2-camera.c
> +++ b/arch/arm/plat-mxc/devices/platform-mx2-camera.c
> @@ -6,6 +6,7 @@
> * the terms of the GNU General Public License version 2 as published by the
> * Free Software Foundation.
> */
> +#include <linux/dma-mapping.h>
> #include <mach/hardware.h>
> #include <mach/devices-common.h>
>
> @@ -62,3 +63,35 @@ struct platform_device *__init imx_add_mx2_camera(
> res, data->iobaseemmaprp ? 4 : 2,
> pdata, sizeof(*pdata), DMA_BIT_MASK(32));
> }
> +
> +struct platform_device *__init imx_alloc_mx2_emmaprp(
> + const struct imx_mx2_camera_data *data)
Why only alloc and not register?
> +{
> + struct resource res[] = {
> + {
> + .start = data->iobaseemmaprp,
> + .end = data->iobaseemmaprp + data->iosizeemmaprp - 1,
> + .flags = IORESOURCE_MEM,
> + }, {
> + .start = data->irqemmaprp,
> + .end = data->irqemmaprp,
> + .flags = IORESOURCE_IRQ,
> + },
> + };
> + struct platform_device *pdev;
> + int ret = -ENOMEM;
> +
> + pdev = platform_device_alloc("m2m-emmaprp", 0);
> + if (!pdev)
> + goto err;
> +
> + ret = platform_device_add_resources(pdev, res, ARRAY_SIZE(res));
> + if (ret)
> + goto err;
> +
> + return pdev;
> +err:
> + platform_device_put(pdev);
> + return ERR_PTR(-ENODEV);
> +
> +}
> diff --git a/arch/arm/plat-mxc/include/mach/devices-common.h
> b/arch/arm/plat-mxc/include/mach/devices-common.h
> index def9ba5..ce64bd5 100644
> --- a/arch/arm/plat-mxc/include/mach/devices-common.h
> +++ b/arch/arm/plat-mxc/include/mach/devices-common.h
> @@ -223,6 +223,8 @@ struct imx_mx2_camera_data {
> struct platform_device *__init imx_add_mx2_camera(
> const struct imx_mx2_camera_data *data,
> const struct mx2_camera_platform_data *pdata);
> +struct platform_device *__init imx_alloc_mx2_emmaprp(
> + const struct imx_mx2_camera_data *data);
>
> #include <mach/mxc_ehci.h>
> struct imx_mxc_ehci_data {
> --
> 1.7.0.4
>
>
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