2022-03-17 03:22:48

by R, Monish Kumar

[permalink] [raw]
Subject: [PATCH] nvme-pci: Add quirk changes for Samsung X5 SSDs

From: Monish Kumar R <[email protected]>

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

Signed-off-by: Monish Kumar R <[email protected]>
---
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, }
};
--
2.17.1


2022-03-25 19:00:22

by Christoph Hellwig

[permalink] [raw]
Subject: Re: [PATCH] nvme-pci: Add quirk changes for Samsung X5 SSDs

Thanks,

applied to nvme-5.18.