From: Monish Kumar R <monish.kumar.r@intel.com>
Date: Wed, 16 Mar 2022 07:54:49 +0000 (+0530)
Subject: nvme-pci: add quirks for Samsung X5 SSDs
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=3fbccc4082c1a919c799df466af24479fcc0e216;p=linux.git

nvme-pci: add quirks for Samsung X5 SSDs

[ Upstream commit bc360b0b1611566e1bd47384daf49af6a1c51837 ]

Add quirks to not fail the initialization and to have quick resume
latency after cold/warm reboot.

Signed-off-by: Monish Kumar R <monish.kumar.r@intel.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index d7695bdbde8d3..e6f55cf6e494a 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -3379,7 +3379,10 @@ static const struct pci_device_id nvme_id_table[] = {
 				NVME_QUIRK_128_BYTES_SQES |
 				NVME_QUIRK_SHARED_TAGS |
 				NVME_QUIRK_SKIP_CID_GEN },
-
+	{ PCI_DEVICE(0x144d, 0xa808),   /* Samsung X5 */
+		.driver_data =  NVME_QUIRK_DELAY_BEFORE_CHK_RDY|
+				NVME_QUIRK_NO_DEEPEST_PS |
+				NVME_QUIRK_IGNORE_DEV_SUBNQN, },
 	{ PCI_DEVICE_CLASS(PCI_CLASS_STORAGE_EXPRESS, 0xffffff) },
 	{ 0, }
 };