[PATCH AUTOSEL 5.16 11/30] nvme-pci: add quirks for Samsung X5 SSDs

Sasha Levin sashal at kernel.org
Wed Apr 6 18:11:21 PDT 2022


From: Monish Kumar R <monish.kumar.r at intel.com>

[ 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 at intel.com>
Signed-off-by: Christoph Hellwig <hch at lst.de>
Signed-off-by: Sasha Levin <sashal at kernel.org>
---
 drivers/nvme/host/pci.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 953ea3d5d4bf..84f6c116338a 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -3398,7 +3398,10 @@ 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, }
 };
-- 
2.35.1




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