On 05/16/2016 04:13 AM, Sinan Kaya wrote:
> Creating a new function to determine if this driver supports reset
> function or not. This is an attempt to abstract device tree calls
> from the rest of the code.
>
> Signed-off-by: Sinan Kaya <okaya@xxxxxxxxxxxxxx>
> ---
> drivers/vfio/platform/vfio_platform_common.c | 7 ++++++-
> 1 file changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/vfio/platform/vfio_platform_common.c b/drivers/vfio/platform/vfio_platform_common.c
> index cb91dd3..25378bd 100644
> --- a/drivers/vfio/platform/vfio_platform_common.c
> +++ b/drivers/vfio/platform/vfio_platform_common.c
> @@ -49,6 +49,11 @@ static vfio_platform_reset_fn_t vfio_platform_lookup_reset(const char *compat,
> return reset_fn;
> }
>
> +static bool vfio_platform_has_reset(struct vfio_platform_device *vdev)
> +{
> + return vdev->of_reset ? true : false;
> +}
> +
> static void vfio_platform_get_reset(struct vfio_platform_device *vdev)
> {
> vdev->of_reset = vfio_platform_lookup_reset(vdev->compat,
> @@ -215,7 +220,7 @@ static long vfio_platform_ioctl(void *device_data,
> if (info.argsz < minsz)
> return -EINVAL;
>
> - if (vdev->of_reset)
> + if (vfio_platform_has_reset(vdev))
> vdev->flags |= VFIO_DEVICE_FLAGS_RESET;
> info.flags = vdev->flags;
> info.num_regions = vdev->num_regions;
>
Reviewed-by: Eric Auger <eric.auger@xxxxxxxxxx>
Eric
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