diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 66446f1e06cf23ea95f946e98f1347269e4eb40f..8d5a7ae198440048f66c53bc4f624f75402c5230 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -2162,14 +2162,14 @@ static int nvme_pr_preempt(struct block_device *bdev, u64 old, u64 new,
 
 static int nvme_pr_clear(struct block_device *bdev, u64 key)
 {
-	u32 cdw10 = 1 | (key ? 1 << 3 : 0);
+	u32 cdw10 = 1 | (key ? 0 : 1 << 3);
 
-	return nvme_pr_command(bdev, cdw10, key, 0, nvme_cmd_resv_register);
+	return nvme_pr_command(bdev, cdw10, key, 0, nvme_cmd_resv_release);
 }
 
 static int nvme_pr_release(struct block_device *bdev, u64 key, enum pr_type type)
 {
-	u32 cdw10 = nvme_pr_type(type) << 8 | (key ? 1 << 3 : 0);
+	u32 cdw10 = nvme_pr_type(type) << 8 | (key ? 0 : 1 << 3);
 
 	return nvme_pr_command(bdev, cdw10, key, 0, nvme_cmd_resv_release);
 }
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 98864b853eefde56e202c96d1b01f5856056698a..67d3335e9cc84abf48e7adb70edbcb0dbf69d676 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -3470,6 +3470,10 @@ static const struct pci_device_id nvme_id_table[] = {
 	{ PCI_DEVICE(0x1987, 0x5016),	/* Phison E16 */
 		.driver_data = NVME_QUIRK_IGNORE_DEV_SUBNQN |
 				NVME_QUIRK_BOGUS_NID, },
+	{ PCI_DEVICE(0x1987, 0x5019),  /* phison E19 */
+		.driver_data = NVME_QUIRK_DISABLE_WRITE_ZEROES, },
+	{ PCI_DEVICE(0x1987, 0x5021),   /* Phison E21 */
+		.driver_data = NVME_QUIRK_DISABLE_WRITE_ZEROES, },
 	{ PCI_DEVICE(0x1b4b, 0x1092),	/* Lexar 256 GB SSD */
 		.driver_data = NVME_QUIRK_NO_NS_DESC_LIST |
 				NVME_QUIRK_IGNORE_DEV_SUBNQN, },