[PATCH V8 3/9] vfio: platform: determine reset capability
From: Sinan Kaya <hidden>
Date: 2016-06-20 15:53:39
Also in:
kvm, linux-acpi, linux-arm-msm, lkml
Subsystem:
the rest, vfio driver, vfio platform driver · Maintainers:
Linus Torvalds, Alex Williamson, Eric Auger
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 <redacted> Reviewed-by: Eric Auger <redacted> Reviewed-by: Baptiste Reynal <redacted> --- 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 3e2a7c0..6be92c3 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;
--
1.8.2.1