aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/nvme/host/lightnvm.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/nvme/host/lightnvm.c')
-rw-r--r--drivers/nvme/host/lightnvm.c41
1 files changed, 2 insertions, 39 deletions
diff --git a/drivers/nvme/host/lightnvm.c b/drivers/nvme/host/lightnvm.c
index be8541335e31..1f79e3f141e6 100644
--- a/drivers/nvme/host/lightnvm.c
+++ b/drivers/nvme/host/lightnvm.c
@@ -643,17 +643,9 @@ static int nvme_nvm_submit_user_cmd(struct request_queue *q,
vcmd->ph_rw.metadata = cpu_to_le64(metadata_dma);
}
- if (!disk)
- goto submit;
-
- bio->bi_bdev = bdget_disk(disk, 0);
- if (!bio->bi_bdev) {
- ret = -ENODEV;
- goto err_meta;
- }
+ bio->bi_disk = disk;
}
-submit:
blk_execute_rq(q, NULL, rq, 0);
if (nvme_req(rq)->flags & NVME_REQ_CANCELLED)
@@ -673,11 +665,8 @@ err_meta:
if (meta_buf && meta_len)
dma_pool_free(dev->dma_pool, metadata, metadata_dma);
err_map:
- if (bio) {
- if (disk && bio->bi_bdev)
- bdput(bio->bi_bdev);
+ if (bio)
blk_rq_unmap_user(bio);
- }
err_ppa:
if (ppa_buf && ppa_len)
dma_pool_free(dev->dma_pool, ppa_list, ppa_dma);
@@ -966,29 +955,3 @@ void nvme_nvm_unregister_sysfs(struct nvme_ns *ns)
sysfs_remove_group(&disk_to_dev(ns->disk)->kobj,
&nvm_dev_attr_group);
}
-
-/* move to shared place when used in multiple places. */
-#define PCI_VENDOR_ID_CNEX 0x1d1d
-#define PCI_DEVICE_ID_CNEX_WL 0x2807
-#define PCI_DEVICE_ID_CNEX_QEMU 0x1f1f
-
-int nvme_nvm_ns_supported(struct nvme_ns *ns, struct nvme_id_ns *id)
-{
- struct nvme_ctrl *ctrl = ns->ctrl;
- /* XXX: this is poking into PCI structures from generic code! */
- struct pci_dev *pdev = to_pci_dev(ctrl->dev);
-
- /* QEMU NVMe simulator - PCI ID + Vendor specific bit */
- if (pdev->vendor == PCI_VENDOR_ID_CNEX &&
- pdev->device == PCI_DEVICE_ID_CNEX_QEMU &&
- id->vs[0] == 0x1)
- return 1;
-
- /* CNEX Labs - PCI ID + Vendor specific bit */
- if (pdev->vendor == PCI_VENDOR_ID_CNEX &&
- pdev->device == PCI_DEVICE_ID_CNEX_WL &&
- id->vs[0] == 0x1)
- return 1;
-
- return 0;
-}