[PATCH V7 2/9] vfio: platform: move reset call to a common function
From: Sinan Kaya <hidden>
Date: 2016-06-13 04:26:55
Also in:
kvm, linux-acpi, linux-arm-msm, lkml
Subsystem:
the rest, vfio driver, vfio platform driver · Maintainers:
Linus Torvalds, Alex Williamson, Eric Auger
The reset call sequence seems to replicate itself multiple times across the file. Grouping them together for maintenance reasons. Signed-off-by: Sinan Kaya <redacted> Reviewed-by: Eric Auger <redacted> --- drivers/vfio/platform/vfio_platform_common.c | 30 +++++++++++++--------------- 1 file changed, 14 insertions(+), 16 deletions(-)
diff --git a/drivers/vfio/platform/vfio_platform_common.c b/drivers/vfio/platform/vfio_platform_common.c
index 08fd7c2..3e2a7c0 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;
--
1.8.2.1