diff options
Diffstat (limited to 'drivers/misc/mic/host/mic_virtio.c')
| -rw-r--r-- | drivers/misc/mic/host/mic_virtio.c | 37 |
1 files changed, 17 insertions, 20 deletions
diff --git a/drivers/misc/mic/host/mic_virtio.c b/drivers/misc/mic/host/mic_virtio.c index 9e0456fb1ea8..0c883cd4f1d1 100644 --- a/drivers/misc/mic/host/mic_virtio.c +++ b/drivers/misc/mic/host/mic_virtio.c @@ -195,7 +195,7 @@ static int _mic_virtio_copy(struct mic_vdev *mvdev, MIC_VRINGH_READ, &out_len); if (ret) { dev_err(mic_dev(mvdev), "%s %d err %d\n", - __func__, __LINE__, ret); + __func__, __LINE__, ret); break; } len -= out_len; @@ -206,7 +206,7 @@ static int _mic_virtio_copy(struct mic_vdev *mvdev, !MIC_VRINGH_READ, &out_len); if (ret) { dev_err(mic_dev(mvdev), "%s %d err %d\n", - __func__, __LINE__, ret); + __func__, __LINE__, ret); break; } len -= out_len; @@ -225,8 +225,7 @@ static int _mic_virtio_copy(struct mic_vdev *mvdev, * Update the used ring if a descriptor was available and some data was * copied in/out and the user asked for a used ring update. */ - if (*head != USHRT_MAX && copy->out_len && - copy->update_used) { + if (*head != USHRT_MAX && copy->out_len && copy->update_used) { u32 total = 0; /* Determine the total data consumed */ @@ -367,7 +366,6 @@ void mic_bh_handler(struct work_struct *work) static irqreturn_t mic_virtio_intr_handler(int irq, void *data) { - struct mic_vdev *mvdev = data; struct mic_device *mdev = mvdev->mdev; @@ -394,7 +392,7 @@ int mic_virtio_config_change(struct mic_vdev *mvdev, } if (copy_from_user(mic_vq_configspace(mvdev->dd), - argp, mvdev->dd->config_len)) { + argp, mvdev->dd->config_len)) { dev_err(mic_dev(mvdev), "%s %d err %d\n", __func__, __LINE__, -EFAULT); ret = -EFAULT; @@ -438,8 +436,8 @@ static int mic_copy_dp_entry(struct mic_vdev *mvdev, return -EFAULT; } - if (mic_aligned_desc_size(&dd) > MIC_MAX_DESC_BLK_SIZE - || dd.num_vq > MIC_MAX_VRINGS) { + if (mic_aligned_desc_size(&dd) > MIC_MAX_DESC_BLK_SIZE || + dd.num_vq > MIC_MAX_VRINGS) { dev_err(mic_dev(mvdev), "%s %d err %d\n", __func__, __LINE__, -EINVAL); return -EINVAL; @@ -503,7 +501,7 @@ static void mic_init_device_ctrl(struct mic_vdev *mvdev, { struct mic_device_ctrl *dc; - dc = mvdev->dc = (void *)devpage + mic_aligned_desc_size(devpage); + dc = (void *)devpage + mic_aligned_desc_size(devpage); dc->config_change = 0; dc->guest_ack = 0; @@ -512,6 +510,7 @@ static void mic_init_device_ctrl(struct mic_vdev *mvdev, dc->used_address_updated = 0; dc->c2h_vdev_db = -1; dc->h2c_vdev_db = -1; + mvdev->dc = dc; } int mic_virtio_add_device(struct mic_vdev *mvdev, @@ -551,7 +550,7 @@ int mic_virtio_add_device(struct mic_vdev *mvdev, sizeof(struct _mic_vring_info)); vr->va = (void *) __get_free_pages(GFP_KERNEL | __GFP_ZERO, - get_order(vr_size)); + get_order(vr_size)); if (!vr->va) { ret = -ENOMEM; dev_err(mic_dev(mvdev), "%s %d err %d\n", @@ -564,8 +563,7 @@ int mic_virtio_add_device(struct mic_vdev *mvdev, vqconfig[i].address = mic_map_single(mdev, vr->va, vr_size); if (mic_map_error(vqconfig[i].address)) { - free_pages((unsigned long)vr->va, - get_order(vr_size)); + free_pages((unsigned long)vr->va, get_order(vr_size)); ret = -ENOMEM; dev_err(mic_dev(mvdev), "%s %d err %d\n", __func__, __LINE__, ret); @@ -573,8 +571,7 @@ int mic_virtio_add_device(struct mic_vdev *mvdev, } vqconfig[i].address = cpu_to_le64(vqconfig[i].address); - vring_init(&vr->vr, num, - vr->va, MIC_VIRTIO_RING_ALIGN); + vring_init(&vr->vr, num, vr->va, MIC_VIRTIO_RING_ALIGN); ret = vringh_init_kern(&mvr->vrh, *(u32 *)mic_vq_features(mvdev->dd), num, false, vr->vr.desc, vr->vr.avail, vr->vr.used); @@ -593,8 +590,8 @@ int mic_virtio_add_device(struct mic_vdev *mvdev, __func__, __LINE__, i, vr->va, vr->info, vr_size); } - snprintf(irqname, sizeof(irqname), - "mic%dvirtio%d", mdev->id, mvdev->virtio_id); + snprintf(irqname, sizeof(irqname), "mic%dvirtio%d", mdev->id, + mvdev->virtio_id); mvdev->virtio_db = mic_next_db(mdev); mvdev->virtio_cookie = mic_request_irq(mdev, mic_virtio_intr_handler, irqname, mvdev, mvdev->virtio_db, MIC_INTR_DB); @@ -628,9 +625,9 @@ err: for (j = 0; j < i; j++) { struct mic_vringh *mvr = &mvdev->mvr[j]; mic_unmap_single(mdev, le64_to_cpu(vqconfig[j].address), - mvr->vring.len); + mvr->vring.len); free_pages((unsigned long)mvr->vring.va, - get_order(mvr->vring.len)); + get_order(mvr->vring.len)); } mutex_unlock(&mdev->mic_mutex); return ret; @@ -676,9 +673,9 @@ skip_hot_remove: vringh_kiov_cleanup(&mvr->riov); vringh_kiov_cleanup(&mvr->wiov); mic_unmap_single(mdev, le64_to_cpu(vqconfig[i].address), - mvr->vring.len); + mvr->vring.len); free_pages((unsigned long)mvr->vring.va, - get_order(mvr->vring.len)); + get_order(mvr->vring.len)); } list_for_each_safe(pos, tmp, &mdev->vdev_list) { |