From: Christoph Hellwig <hch@lst.de>
Date: Fri, 16 Oct 2015 05:58:46 +0000 (+0200)
Subject: nvme: move the call to nvme_init_identify earlier
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=ce4541f40a949cd9a9c9f308b1a6a86914ce6e1a;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

nvme: move the call to nvme_init_identify earlier

We want to record the identify and CAP values even if no I/O queue
is available.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
---

diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 086563fe6ed1..4d64aee61aea 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -1930,12 +1930,6 @@ static void nvme_dev_scan(struct work_struct *work)
  */
 static int nvme_dev_add(struct nvme_dev *dev)
 {
-	int res;
-
-	res = nvme_init_identify(&dev->ctrl);
-	if (res)
-		return res;
-
 	if (!dev->tagset.tags) {
 		dev->tagset.ops = &nvme_mq_ops;
 		dev->tagset.nr_hw_queues = dev->online_queues - 1;
@@ -2431,6 +2425,10 @@ static void nvme_probe_work(struct work_struct *work)
 	if (result)
 		goto disable;
 
+	result = nvme_init_identify(&dev->ctrl);
+	if (result)
+		goto free_tags;
+
 	result = nvme_setup_io_queues(dev);
 	if (result)
 		goto free_tags;