Update Linux to v5.10.109

Sourced from [1]

[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz

Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/arch/sparc/include/asm/highmem.h b/arch/sparc/include/asm/highmem.h
index 18d7769..6c35f0d 100644
--- a/arch/sparc/include/asm/highmem.h
+++ b/arch/sparc/include/asm/highmem.h
@@ -22,14 +22,15 @@
 #ifdef __KERNEL__
 
 #include <linux/interrupt.h>
+#include <linux/pgtable.h>
 #include <asm/vaddrs.h>
 #include <asm/kmap_types.h>
-#include <asm/pgtable.h>
+#include <asm/pgtsrmmu.h>
 
 /* declarations for highmem.c */
 extern unsigned long highstart_pfn, highend_pfn;
 
-extern pgprot_t kmap_prot;
+#define kmap_prot __pgprot(SRMMU_ET_PTE | SRMMU_PRIV | SRMMU_CACHE)
 extern pte_t *pkmap_page_table;
 
 void kmap_init(void) __init;
@@ -50,28 +51,6 @@
 
 #define PKMAP_END (PKMAP_ADDR(LAST_PKMAP))
 
-void *kmap_high(struct page *page);
-void kunmap_high(struct page *page);
-
-static inline void *kmap(struct page *page)
-{
-	BUG_ON(in_interrupt());
-	if (!PageHighMem(page))
-		return page_address(page);
-	return kmap_high(page);
-}
-
-static inline void kunmap(struct page *page)
-{
-	BUG_ON(in_interrupt());
-	if (!PageHighMem(page))
-		return;
-	kunmap_high(page);
-}
-
-void *kmap_atomic(struct page *page);
-void __kunmap_atomic(void *kvaddr);
-
 #define flush_cache_kmaps()	flush_cache_all()
 
 #endif /* __KERNEL__ */