modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/arch/microblaze/mm/highmem.c
..
..
@@ -32,17 +32,11 @@
32
32
  */
33
33
 #include <asm/tlbflush.h>
34
34
 
35
-void *kmap_atomic_prot(struct page *page, pgprot_t prot)
35
+void *kmap_atomic_high_prot(struct page *page, pgprot_t prot)
36
36
 {
37
37
 
38
38
 	unsigned long vaddr;
39
39
 	int idx, type;
40
-
41
-	preempt_disable();
42
-	pagefault_disable();
43
-	if (!PageHighMem(page))
44
-		return page_address(page);
45
-
46
40
 
47
41
 	type = kmap_atomic_idx_push();
48
42
 	idx = type + KM_TYPE_NR*smp_processor_id();
..
..
@@ -55,19 +49,16 @@
55
49
 
56
50
 	return (void *) vaddr;
57
51
 }
58
-EXPORT_SYMBOL(kmap_atomic_prot);
52
+EXPORT_SYMBOL(kmap_atomic_high_prot);
59
53
 
60
-void __kunmap_atomic(void *kvaddr)
54
+void kunmap_atomic_high(void *kvaddr)
61
55
 {
62
56
 	unsigned long vaddr = (unsigned long) kvaddr & PAGE_MASK;
63
57
 	int type;
64
58
 	unsigned int idx;
65
59
 
66
-	if (vaddr < __fix_to_virt(FIX_KMAP_END)) {
67
-		pagefault_enable();
68
-		preempt_enable();
60
+	if (vaddr < __fix_to_virt(FIX_KMAP_END))
69
61
 		return;
70
-	}
71
62
 
72
63
 	type = kmap_atomic_idx();
73
64
 
..
..
@@ -83,7 +74,5 @@
83
74
 	local_flush_tlb_page(NULL, vaddr);
84
75
 
85
76
 	kmap_atomic_idx_pop();
86
-	pagefault_enable();
87
-	preempt_enable();
88
77
 }
89
-EXPORT_SYMBOL(__kunmap_atomic);
78
+EXPORT_SYMBOL(kunmap_atomic_high);