[PATCH V11 5/9] vfio: platform: add extra debug info argument to call reset

Sinan Kaya
2016-07-19T13:01:45Z

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>
---
drivers/vfio/platform/vfio_platform_common.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/vfio/platform/vfio_platform_common.c b/drivers/vfio/platform/vfio_platform_common.c
index 6aa45e5..b0f61f8 100644
--- a/drivers/vfio/platform/vfio_platform_common.c
+++ b/drivers/vfio/platform/vfio_platform_common.c
@@ -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;
--
1.8.2.1