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authorChristoph Hellwig <hch@lst.de>2016-06-06 23:20:50 +0200
committerJens Axboe <axboe@fb.com>2016-06-12 07:29:43 -0600
commitf5fa90dc0a5b0bcfa3fa851dbee9e3ab6381076b (patch)
tree07a5c62291b435396d29792bb5361d5d4e488177 /drivers/nvme/host/pci.c
parent7a5abb4b48570c3552e33ff4c72ae1e8dac3ba15 (diff)
downloadop-kernel-dev-f5fa90dc0a5b0bcfa3fa851dbee9e3ab6381076b.zip
op-kernel-dev-f5fa90dc0a5b0bcfa3fa851dbee9e3ab6381076b.tar.gz
nvme: move the workaround for I/O queue-less controllers from PCIe to core
We want to apply this to Fabrics drivers as well, so move it to common code. Reviewed-by: Jay Freyensee <james.p.freyensee@intel.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Tested-by: Ming Lin <ming.l@ssi.samsung.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Keith Busch <keith.busch@intel.com> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/nvme/host/pci.c')
-rw-r--r--drivers/nvme/host/pci.c10
1 files changed, 1 insertions, 9 deletions
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 37aa250..dc39924 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -1383,16 +1383,8 @@ static int nvme_setup_io_queues(struct nvme_dev *dev)
if (result < 0)
return result;
- /*
- * Degraded controllers might return an error when setting the queue
- * count. We still want to be able to bring them online and offer
- * access to the admin queue, as that might be only way to fix them up.
- */
- if (result > 0) {
- dev_err(dev->ctrl.device,
- "Could not set queue count (%d)\n", result);
+ if (nr_io_queues == 0)
return 0;
- }
if (dev->cmb && NVME_CMB_SQS(dev->cmbsz)) {
result = nvme_cmb_qdepth(dev, nr_io_queues,
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