[PATCH AUTOSEL 5.17 11/31] nvme-pci: add quirks for Samsung X5 SSDs

From: Sasha Levin
Date: Wed Apr 06 2022 - 21:11:18 EST


From: Monish Kumar R <monish.kumar.r@xxxxxxxxx>

[ 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@xxxxxxxxx>
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
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 6a99ed680915..c1150e01394c 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -3463,7 +3463,10 @@ 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