diff options
Diffstat (limited to 'modules/hardware/tuxedo-pulse1502/nvme-suspend-quirk.patch')
| -rw-r--r-- | modules/hardware/tuxedo-pulse1502/nvme-suspend-quirk.patch | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/modules/hardware/tuxedo-pulse1502/nvme-suspend-quirk.patch b/modules/hardware/tuxedo-pulse1502/nvme-suspend-quirk.patch new file mode 100644 index 00000000..b1983554 --- /dev/null +++ b/modules/hardware/tuxedo-pulse1502/nvme-suspend-quirk.patch @@ -0,0 +1,47 @@ +diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h +index 1bdf714dcd9e..4014a2e17c70 100644 +--- a/drivers/nvme/host/nvme.h ++++ b/drivers/nvme/host/nvme.h +@@ -149,6 +149,12 @@ enum nvme_quirks { + * Reports garbage in the namespace identifiers (eui64, nguid, uuid). + */ + NVME_QUIRK_BOGUS_NID = (1 << 18), ++ ++ /* ++ * Disables entering D3cold state for devices that might not wake up ++ * again afterwards. ++ */ ++ NVME_QUIRK_NO_D3_COLD = (1 << 19), + }; + + /* +diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c +index 3a1c37f32f30..1cedc6d0ec5f 100644 +--- a/drivers/nvme/host/pci.c ++++ b/drivers/nvme/host/pci.c +@@ -3070,6 +3070,15 @@ static unsigned long check_vendor_combination_bug(struct pci_dev *pdev) + if ((dmi_match(DMI_BOARD_VENDOR, "LENOVO")) && + dmi_match(DMI_BOARD_NAME, "LNVNB161216")) + return NVME_QUIRK_SIMPLE_SUSPEND; ++ } else if (pdev->vendor == 0x144d && (pdev->device == 0xa80a || ++ pdev->device == 0xa808)) { ++ /* ++ * Some Samsung SSDs on TUXEDO Pulse 15 Gen2 do not seem to ++ * wake up from D3cold. ++ */ ++ if (dmi_match(DMI_BOARD_VENDOR, "NB02") && ++ dmi_match(DMI_BOARD_NAME, "PF5LUXG")) ++ return NVME_QUIRK_NO_D3_COLD; + } + + return 0; +@@ -3134,6 +3143,9 @@ static int nvme_probe(struct pci_dev *pdev, const struct pci_device_id *id) + quirks |= NVME_QUIRK_SIMPLE_SUSPEND; + } + ++ if (quirks & NVME_QUIRK_NO_D3_COLD) ++ pci_d3cold_disable(pdev); ++ + /* + * Double check that our mempool alloc size will cover the biggest + * command we support. |