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Commit dc5542fb authored by Sinan Kaya's avatar Sinan Kaya Committed by Alex Williamson
Browse files

vfio: platform: determine reset capability 



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: default avatarSinan Kaya <okaya@codeaurora.org>
Reviewed-by: default avatarEric Auger <eric.auger@linaro.org>
Reviewed-by: default avatarBaptiste Reynal <b.reynal@virtualopensystems.com>
Signed-off-by: default avatarAlex Williamson <alex.williamson@redhat.com>
parent f084aa74

drivers/vfio/platform/vfio_platform_common.c

+6 −1
Original line number Original line Diff line number Diff line
@@ -49,6 +49,11 @@ static vfio_platform_reset_fn_t vfio_platform_lookup_reset(const char *compat, 
	return reset_fn;

	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)

static void vfio_platform_get_reset(struct vfio_platform_device *vdev)

{

{

	vdev->of_reset = vfio_platform_lookup_reset(vdev->compat,

	vdev->of_reset = vfio_platform_lookup_reset(vdev->compat,
@@ -214,7 +219,7 @@ static long vfio_platform_ioctl(void *device_data, 
		if (info.argsz < minsz)

		if (info.argsz < minsz)

			return -EINVAL;

			return -EINVAL;





		if (vdev->of_reset)

		if (vfio_platform_has_reset(vdev))

			vdev->flags |= VFIO_DEVICE_FLAGS_RESET;

			vdev->flags |= VFIO_DEVICE_FLAGS_RESET;

		info.flags = vdev->flags;

		info.flags = vdev->flags;

		info.num_regions = vdev->num_regions;

		info.num_regions = vdev->num_regions;