From dc5542fb115a9576493831160e31d355b58541d7 Mon Sep 17 00:00:00 2001 From: Sinan Kaya Date: Tue, 19 Jul 2016 09:01:43 -0400 Subject: 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 Reviewed-by: Eric Auger Reviewed-by: Baptiste Reynal Signed-off-by: Alex Williamson --- drivers/vfio/platform/vfio_platform_common.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'drivers/vfio/platform') 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; -- cgit