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path: root/modules/hardware/tuxedo-pulse1502/nvme-suspend-quirk.patch
blob: b1983554839440437ce1fd8debcc1d450cd481d2 (plain) (blame)
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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.