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-Tag: v5.18-rc1~20^2~6^2~5
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=bc360b0b1611566e1bd47384daf49af6a1c51837;p=thirdparty%2Fkernel%2Flinux.git

nvme-pci: add quirks for Samsung X5 SSDs

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>
---

diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 9f3c392fe7a10..66f1eee2509a3 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -3466,7 +3466,10 @@ 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, }
 };