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| author | Sinan Kaya <okaya@codeaurora.org> | 2016-07-19 09:01:42 -0400 |
|---|---|---|
| committer | Alex Williamson <alex.williamson@redhat.com> | 2016-07-19 10:26:38 -0600 |
| commit | f084aa749537b818d5b234448e960a59836b39e3 (patch) | |
| tree | b87deab279c8fe6b491dfbfc8e3de10212c65ef9 /drivers/vfio/platform | |
| parent | 7aef80cf3187b76373359ed539e382eb34ebfb5d (diff) | |
| download | linux-f084aa749537b818d5b234448e960a59836b39e3.tar.gz linux-f084aa749537b818d5b234448e960a59836b39e3.tar.bz2 linux-f084aa749537b818d5b234448e960a59836b39e3.zip | |
vfio: platform: move reset call to a common function
The reset call sequence seems to replicate itself multiple times
across the file. Grouping them together for maintenance reasons.
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/platform')
| -rw-r--r-- | drivers/vfio/platform/vfio_platform_common.c | 30 |
1 files changed, 14 insertions, 16 deletions
diff --git a/drivers/vfio/platform/vfio_platform_common.c b/drivers/vfio/platform/vfio_platform_common.c index 170479399cde..de419df768e1 100644 --- a/drivers/vfio/platform/vfio_platform_common.c +++ b/drivers/vfio/platform/vfio_platform_common.c @@ -134,6 +134,17 @@ static void vfio_platform_regions_cleanup(struct vfio_platform_device *vdev) kfree(vdev->regions); } +static int vfio_platform_call_reset(struct vfio_platform_device *vdev) +{ + if (vdev->of_reset) { + dev_info(vdev->device, "reset\n"); + return vdev->of_reset(vdev); + } + + dev_warn(vdev->device, "no reset function found!\n"); + return -EINVAL; +} + static void vfio_platform_release(void *device_data) { struct vfio_platform_device *vdev = device_data; @@ -141,12 +152,7 @@ static void vfio_platform_release(void *device_data) mutex_lock(&driver_lock); if (!(--vdev->refcnt)) { - if (vdev->of_reset) { - dev_info(vdev->device, "reset\n"); - vdev->of_reset(vdev); - } else { - dev_warn(vdev->device, "no reset function found!\n"); - } + vfio_platform_call_reset(vdev); vfio_platform_regions_cleanup(vdev); vfio_platform_irq_cleanup(vdev); } @@ -175,12 +181,7 @@ static int vfio_platform_open(void *device_data) if (ret) goto err_irq; - if (vdev->of_reset) { - dev_info(vdev->device, "reset\n"); - vdev->of_reset(vdev); - } else { - dev_warn(vdev->device, "no reset function found!\n"); - } + vfio_platform_call_reset(vdev); } vdev->refcnt++; @@ -312,10 +313,7 @@ static long vfio_platform_ioctl(void *device_data, return ret; } else if (cmd == VFIO_DEVICE_RESET) { - if (vdev->of_reset) - return vdev->of_reset(vdev); - else - return -EINVAL; + return vfio_platform_call_reset(vdev); } return -ENOTTY; |