diff --git a/scst/include/backport.h b/scst/include/backport.h
index d58fe830c..93c049f3b 100644
--- a/scst/include/backport.h
+++ b/scst/include/backport.h
@@ -134,6 +134,15 @@ static inline void bio_set_dev(struct bio *bio, struct block_device *bdev)
 #define BIO_MAX_VECS BIO_MAX_PAGES
 #endif
 
+/* <linux/blk_types.h> */
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 14, 0)
+enum {
+	REQ_OP_SCSI_IN	= REQ_OP_DRV_IN,
+	REQ_OP_SCSI_OUT	= REQ_OP_DRV_OUT,
+};
+#endif
+
 /* <linux/blk-mq.h> */
 
 static inline unsigned int scst_blk_rq_cpu(struct request *rq)
diff --git a/scst/kernel/in-tree/Kconfig.drivers.Linux.patch b/scst/kernel/in-tree/Kconfig.drivers.Linux.patch
index 0d5a19f0f..347bf5d99 100644
--- a/scst/kernel/in-tree/Kconfig.drivers.Linux.patch
+++ b/scst/kernel/in-tree/Kconfig.drivers.Linux.patch
@@ -1,13 +1,13 @@
 diff --git a/drivers/Kconfig b/drivers/Kconfig
-index aa43b91..c96860e 100644
+index 8bad63417a50..a61b1804fcf3 100644
 --- a/drivers/Kconfig
 +++ b/drivers/Kconfig
-@@ -24,6 +24,8 @@ source "drivers/ide/Kconfig"
+@@ -39,6 +39,8 @@ source "drivers/ata/Kconfig"
  
- source "drivers/scsi/Kconfig"
+ source "drivers/md/Kconfig"
  
 +source "drivers/scst/Kconfig"
 +
- source "drivers/ata/Kconfig"
+ source "drivers/target/Kconfig"
  
- source "drivers/md/Kconfig"
+ source "drivers/message/fusion/Kconfig"
diff --git a/scst/kernel/in-tree/Makefile.drivers.Linux.patch b/scst/kernel/in-tree/Makefile.drivers.Linux.patch
index e02741144..4dbb006ce 100644
--- a/scst/kernel/in-tree/Makefile.drivers.Linux.patch
+++ b/scst/kernel/in-tree/Makefile.drivers.Linux.patch
@@ -1,12 +1,12 @@
 diff --git a/drivers/Makefile b/drivers/Makefile
-index 31cf17dee252..b45c17aee468 100644
+index 27c018bdf4de..6fc8c24fd0d6 100644
 --- a/drivers/Makefile
 +++ b/drivers/Makefile
-@@ -75,6 +75,7 @@ obj-$(CONFIG_DAX)		+= dax/
- obj-$(CONFIG_DMA_SHARED_BUFFER) += dma-buf/
- obj-$(CONFIG_NUBUS)		+= nubus/
- obj-y				+= macintosh/
-+obj-$(CONFIG_SCST)		+= scst/
- obj-$(CONFIG_IDE)		+= ide/
+@@ -81,6 +81,7 @@ obj-y				+= macintosh/
  obj-y				+= scsi/
  obj-y				+= nvme/
+ obj-$(CONFIG_ATA)		+= ata/
++obj-$(CONFIG_SCST)		+= scst/
+ obj-$(CONFIG_TARGET_CORE)	+= target/
+ obj-$(CONFIG_MTD)		+= mtd/
+ obj-$(CONFIG_SPI)		+= spi/
diff --git a/scst/src/scst_lib.c b/scst/src/scst_lib.c
index 91a6f8f0e..302f97e0a 100644
--- a/scst/src/scst_lib.c
+++ b/scst/src/scst_lib.c
@@ -13849,9 +13849,11 @@ int scst_obtain_device_parameters(struct scst_device *dev,
 					goto brk;
 				}
 				switch (driver_byte(rc)) {
+#if defined(DRIVER_BUSY) && defined(DRIVER_SOFT)
 				case DRIVER_BUSY:
 				case DRIVER_SOFT:
 					break;
+#endif
 				default:
 					goto brk;
 				}