Re: [Patch 01/35] media: ti-vpe: vpdma: Make vpdma library into its own module

From: Hans Verkuil
Date: Mon Oct 17 2016 - 10:09:12 EST


On 09/28/2016 11:16 PM, Benoit Parrot wrote:
> The VPDMA (Video Port DMA) as found in devices such as DRA7xx is
> used for both the Video Processing Engine (VPE) and the Video Input
> Port (VIP).
>
> In preparation for this we need to turn vpdma into its own
> kernel module.
>
> Signed-off-by: Benoit Parrot <bparrot@xxxxxx>
> ---
> drivers/media/platform/Kconfig | 6 ++++++
> drivers/media/platform/ti-vpe/Makefile | 4 +++-
> drivers/media/platform/ti-vpe/vpdma.c | 28 +++++++++++++++++++++++++++-
> 3 files changed, 36 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig
> index f98ed3fd0efd..3c15c5a53bd5 100644
> --- a/drivers/media/platform/Kconfig
> +++ b/drivers/media/platform/Kconfig
> @@ -334,6 +334,7 @@ config VIDEO_TI_VPE
> depends on HAS_DMA
> select VIDEOBUF2_DMA_CONTIG
> select V4L2_MEM2MEM_DEV
> + select VIDEO_TI_VPDMA
> default n
> ---help---
> Support for the TI VPE(Video Processing Engine) block
> @@ -347,6 +348,11 @@ config VIDEO_TI_VPE_DEBUG
>
> endif # V4L_MEM2MEM_DRIVERS
>
> +# TI VIDEO PORT Helper Modules
> +# These will be selected by VPE and VIP
> +config VIDEO_TI_VPDMA
> + tristate
> +
> menuconfig V4L_TEST_DRIVERS
> bool "Media test drivers"
> depends on MEDIA_CAMERA_SUPPORT
> diff --git a/drivers/media/platform/ti-vpe/Makefile b/drivers/media/platform/ti-vpe/Makefile
> index e236059a60ad..faca5e115c1d 100644
> --- a/drivers/media/platform/ti-vpe/Makefile
> +++ b/drivers/media/platform/ti-vpe/Makefile
> @@ -1,6 +1,8 @@
> obj-$(CONFIG_VIDEO_TI_VPE) += ti-vpe.o
> +obj-$(CONFIG_VIDEO_TI_VPDMA) += ti-vpdma.o
>
> -ti-vpe-y := vpe.o sc.o csc.o vpdma.o
> +ti-vpe-y := vpe.o sc.o csc.o
> +ti-vpdma-y := vpdma.o
>
> ccflags-$(CONFIG_VIDEO_TI_VPE_DEBUG) += -DDEBUG
>
> diff --git a/drivers/media/platform/ti-vpe/vpdma.c b/drivers/media/platform/ti-vpe/vpdma.c
> index 3e2e3a33e6ed..e55cb58213bf 100644
> --- a/drivers/media/platform/ti-vpe/vpdma.c
> +++ b/drivers/media/platform/ti-vpe/vpdma.c
> @@ -75,6 +75,7 @@ const struct vpdma_data_format vpdma_yuv_fmts[] = {
> .depth = 16,
> },
> };
> +EXPORT_SYMBOL(vpdma_yuv_fmts);

EXPORT_SYMBOL_GPL?

(Up to you).

Regards,

Hans