Re: [PATCH v3 9/9] vfio: Add AMBA driver_override support

Auger Eric
2017-06-26T07:30:34Z

Hi Alex,

On 20/06/2017 17:48, Alex Williamson wrote:
> AMBA also supports driver_override, but amba_bustype was not exported
> to be able to identify an amba device.
>
> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>

Eric
> ---
> drivers/vfio/vfio.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/drivers/vfio/vfio.c b/drivers/vfio/vfio.c
> index 20e57fecf652..36f0fcfded0b 100644
> --- a/drivers/vfio/vfio.c
> +++ b/drivers/vfio/vfio.c
> @@ -36,6 +36,7 @@
> #include <linux/uuid.h>
> #include <linux/vfio.h>
> #include <linux/wait.h>
> +#include <linux/amba/bus.h>
>
> #define DRIVER_VERSION "0.3"
> #define DRIVER_AUTHOR "Alex Williamson <alex.williamson@redhat.com>"
> @@ -743,6 +744,11 @@ static char **vfio_find_driver_override(struct device *dev)
> } else if (dev->bus == &platform_bus_type) {
> struct platform_device *pdev = to_platform_device(dev);
> return &pdev->driver_override;
> +#ifdef CONFIG_ARM_AMBA
> + } else if (dev->bus == &amba_bustype) {
> + struct amba_device *adev = to_amba_device(dev);
> + return &adev->driver_override;
> +#endif
> }
>
> return NULL;
>