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vfio: platform: add extra debug info argument to call reset 

Getting ready to bring out extra debug information to the caller
so that more verbose information can be printed when an error is
observed.

Signed-off-by: Sinan Kaya <okaya@codeaurora.org>
Reviewed-by: Baptiste Reynal <b.reynal@virtualopensystems.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This commit is contained in:
Sinan Kaya 2016-07-19 09:01:45 -04:00 committed by Alex Williamson
parent a12a9368e1
commit 5afec27474
1 changed files with 5 additions and 4 deletions
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9
drivers/vfio/platform/vfio_platform_common.c
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@ -161,7 +161,8 @@ 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)
static int vfio_platform_call_reset(struct vfio_platform_device *vdev,
const char **extra_dbg)
{
if (vdev->of_reset) {
dev_info(vdev->device, "reset\n");
@ -179,7 +180,7 @@ static void vfio_platform_release(void *device_data)
mutex_lock(&driver_lock);
if (!(--vdev->refcnt)) {
vfio_platform_call_reset(vdev);
vfio_platform_call_reset(vdev, NULL);
vfio_platform_regions_cleanup(vdev);
vfio_platform_irq_cleanup(vdev);
}
@ -208,7 +209,7 @@ static int vfio_platform_open(void *device_data)
if (ret)
goto err_irq;
vfio_platform_call_reset(vdev);
vfio_platform_call_reset(vdev, NULL);
}
vdev->refcnt++;
@ -340,7 +341,7 @@ static long vfio_platform_ioctl(void *device_data,
return ret;
} else if (cmd == VFIO_DEVICE_RESET) {
return vfio_platform_call_reset(vdev);
return vfio_platform_call_reset(vdev, NULL);
}
return -ENOTTY;