diff --git a/.github/workflows/driver-cross-build.yml b/.github/workflows/driver-cross-build.yml
index d60ee4c..70113a1 100644
--- a/.github/workflows/driver-cross-build.yml
+++ b/.github/workflows/driver-cross-build.yml
@@ -36,12 +36,6 @@ jobs:
       fail-fast: false
       matrix:
         env:
-          # Debian 10 (Buster)
-          - { HOST: 20.04, KERNEL_VER: rpi-5.4.y, OS_BIT: armhf, RASPI: 3}
-          - { HOST: 20.04, KERNEL_VER: rpi-5.4.y, OS_BIT: armhf, RASPI: 4}
-          # Debian 11 (Bullseye)
-          - { HOST: 20.04, KERNEL_VER: rpi-5.10.y, OS_BIT: armhf, RASPI: 3}
-          - { HOST: 20.04, KERNEL_VER: rpi-5.10.y, OS_BIT: armhf, RASPI: 4}
           # Debian 11 (Bullseye)
           - { HOST: 22.04, KERNEL_VER: rpi-5.15.y, OS_BIT: armhf, RASPI: 3}
           - { HOST: 22.04, KERNEL_VER: rpi-5.15.y, OS_BIT: armhf, RASPI: 4}
diff --git a/src/drivers/rtmouse_dev.c b/src/drivers/rtmouse_dev.c
index 1146b14..dd20efb 100644
--- a/src/drivers/rtmouse_dev.c
+++ b/src/drivers/rtmouse_dev.c
@@ -189,7 +189,7 @@ static unsigned int mcp3204_get_value(int channel)
 	dev = mcp320x_dev;
 
 #else
-	struct spi_master *master;
+	struct spi_controller *master;
 	master = spi_busnum_to_master(mcp3204_info.bus_num);
 	snprintf(str, sizeof(str), "%s.%u", dev_name(&master->dev),
 		 mcp3204_info.chip_select);
diff --git a/src/drivers/rtmouse_spi.c b/src/drivers/rtmouse_spi.c
index e5f8db2..4f2e60e 100644
--- a/src/drivers/rtmouse_spi.c
+++ b/src/drivers/rtmouse_spi.c
@@ -148,7 +148,7 @@ static int mcp3204_probe(struct spi_device *spi)
  * spi_remove_device - remove SPI device
  * called by mcp3204_init() and mcp3204_exit()
  */
-static void spi_remove_device(struct spi_master *master, unsigned int cs)
+static void spi_remove_device(struct spi_controller *master, unsigned int cs)
 {
 	struct device *dev;
 	char str[128];
@@ -188,7 +188,7 @@ int mcp3204_init(void)
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 16, 0)
 	bus_for_each_dev(&spi_bus_type, NULL, NULL, __callback_find_mcp3204);
 #else
-	struct spi_master *master;
+	struct spi_controller *master;
 	struct spi_device *spi_device;
 
 	spi_register_driver(&mcp3204_driver);
@@ -231,7 +231,7 @@ void mcp3204_exit(void)
 		mcp3204_remove(to_spi_device(mcp320x_dev));
 	}
 #else
-	struct spi_master *master;
+	struct spi_controller *master;
 	master = spi_busnum_to_master(mcp3204_info.bus_num);
 
 	if (master) {