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| author | Sinan Kaya <okaya@codeaurora.org> | 2016-07-19 09:01:43 -0400 |
|---|---|---|
| committer | Alex Williamson <alex.williamson@redhat.com> | 2016-07-19 10:26:40 -0600 |
| commit | dc5542fb115a9576493831160e31d355b58541d7 (patch) | |
| tree | 280cb0d20bfff27c45ef577322213e4baedde115 /drivers/vfio | |
| parent | f084aa749537b818d5b234448e960a59836b39e3 (diff) | |
| download | linux-dc5542fb115a9576493831160e31d355b58541d7.tar.gz linux-dc5542fb115a9576493831160e31d355b58541d7.tar.bz2 linux-dc5542fb115a9576493831160e31d355b58541d7.zip | |
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: Sinan Kaya <okaya@codeaurora.org>
Reviewed-by: Eric Auger <eric.auger@linaro.org>
Reviewed-by: Baptiste Reynal <b.reynal@virtualopensystems.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'drivers/vfio')
| -rw-r--r-- | drivers/vfio/platform/vfio_platform_common.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/vfio/platform/vfio_platform_common.c b/drivers/vfio/platform/vfio_platform_common.c index de419df768e1..307d61d2aea2 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, @@ -214,7 +219,7 @@ 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; |