Index: broadcom-wl-5.10.56.27.3/driver/wl_linux.c
===================================================================
--- broadcom-wl-5.10.56.27.3.orig/driver/wl_linux.c
+++ broadcom-wl-5.10.56.27.3/driver/wl_linux.c
@@ -74,6 +74,10 @@
 #error "No support for Kernel Rev <= 2.4.5, As the older kernel revs doesn't support Tasklets"
 #endif
 
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 6, 0)
+#define ioremap_nocache	ioremap
+#endif
+
 typedef void wlc_info_t;
 typedef void wlc_hw_info_t;
 #include <wlc_pub.h>
@@ -1915,7 +1919,11 @@ wl_ioctl(struct net_device *dev, struct
 	}
 
 	/* optimization for direct ioctl calls from kernel */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 9, 0)
 	if (segment_eq(get_fs(), KERNEL_DS))
+#else
+	if (uaccess_kernel())
+#endif
 		buf = ioc.buf;
 
 	else if (ioc.buf) {
Index: broadcom-wl-5.10.56.27.3/driver/linux_osl.c
===================================================================
--- broadcom-wl-5.10.56.27.3.orig/driver/linux_osl.c
+++ broadcom-wl-5.10.56.27.3/driver/linux_osl.c
@@ -34,6 +34,10 @@
 #define OS_HANDLE_MAGIC		0x1234abcd	/* Magic # to recognise osh */
 #define BCM_MEM_FILENAME_LEN 	24		/* Mem. filename length */
 
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 6, 0)
+#define ioremap_nocache	ioremap
+#endif
+
 typedef struct bcm_mem_link {
 	struct bcm_mem_link *prev;
 	struct bcm_mem_link *next;