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authorAndrii Nakryiko <andrii@kernel.org>2024-08-13 13:52:30 -0700
committerAndrii Nakryiko <andrii@kernel.org>2024-08-13 13:52:30 -0700
commit50470d3899cdf06fd58def74dec87f31e13cda6f (patch)
tree9d4d04c0c394f079127752d6d5b796aa33b903ca /drivers/nvme/host/pci.c
parent4a4c013d3385b0db85dc361203dc42ff048b6fd6 (diff)
parentde12c3391bce10504c0e7bd767516c74110cfce1 (diff)
Merge remote-tracking branch 'vfs/stable-struct_fd'
Merge Al Viro's struct fd refactorings. Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Diffstat (limited to 'drivers/nvme/host/pci.c')
-rw-r--r--drivers/nvme/host/pci.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 21f8e1b9801f..6cd9395ba9ec 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -863,7 +863,8 @@ static blk_status_t nvme_prep_rq(struct nvme_dev *dev, struct request *req)
nvme_start_request(req);
return BLK_STS_OK;
out_unmap_data:
- nvme_unmap_data(dev, req);
+ if (blk_rq_nr_phys_segments(req))
+ nvme_unmap_data(dev, req);
out_free_cmd:
nvme_cleanup_cmd(req);
return ret;
@@ -1309,7 +1310,7 @@ static void nvme_warn_reset(struct nvme_dev *dev, u32 csts)
dev_warn(dev->ctrl.device,
"Does your device have a faulty power saving mode enabled?\n");
dev_warn(dev->ctrl.device,
- "Try \"nvme_core.default_ps_max_latency_us=0 pcie_aspm=off\" and report a bug\n");
+ "Try \"nvme_core.default_ps_max_latency_us=0 pcie_aspm=off pcie_port_pm=off\" and report a bug\n");
}
static enum blk_eh_timer_return nvme_timeout(struct request *req)
@@ -2968,6 +2969,13 @@ static unsigned long check_vendor_combination_bug(struct pci_dev *pdev)
return NVME_QUIRK_FORCE_NO_SIMPLE_SUSPEND;
}
+ /*
+ * NVMe SSD drops off the PCIe bus after system idle
+ * for 10 hours on a Lenovo N60z board.
+ */
+ if (dmi_match(DMI_BOARD_NAME, "LXKT-ZXEG-N6"))
+ return NVME_QUIRK_NO_APST;
+
return 0;
}