On Thu, Dec 12, 2013 at 03:36:29PM +0100, Thierry Reding wrote:
> This is a simple test module that can be used to allocate, export and
> delete DMA-BUF objects. It can be used to test DMA-BUF sharing in
> systems that lack a real second driver.
>
> Signed-off-by: Thierry Reding <treding at nvidia.com>
> ---
> drivers/base/Kconfig | 4 +
> drivers/base/Makefile | 1 +
> drivers/base/dma-buf-test.c | 308
> ++++++++++++++++++++++++++++++++++++++++++++
> 3 files changed, 313 insertions(+)
> create mode 100644 drivers/base/dma-buf-test.c
>
> diff --git a/drivers/base/Kconfig b/drivers/base/Kconfig
> index e373671652b0..bed2abb9491b 100644
> --- a/drivers/base/Kconfig
> +++ b/drivers/base/Kconfig
> @@ -200,6 +200,10 @@ config DMA_SHARED_BUFFER
> APIs extension; the file's descriptor can then be passed on to other
> driver.
>
> +config DMA_BUF_TEST
> + tristate "DMA-BUF test module"
> + depends on DMA_SHARED_BUFFER
We need some good documentation here.
> > +static struct miscdevice dmabuf_device = {
> + .minor = 128,
Why did you pick this minor? Why not just make it dynamic?
thanks,
greg k-h
