From 748e4f3d702def1a4bff191e0cf93b6a05340f01 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:41:34 +0000
Subject: [PATCH] add gpio led uart
---
kernel/arch/sparc/include/asm/highmem.h | 27 +++------------------------
1 files changed, 3 insertions(+), 24 deletions(-)
diff --git a/kernel/arch/sparc/include/asm/highmem.h b/kernel/arch/sparc/include/asm/highmem.h
index 18d7769..6c35f0d 100644
--- a/kernel/arch/sparc/include/asm/highmem.h
+++ b/kernel/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;
@@ -49,28 +50,6 @@
#define PKMAP_ADDR(nr) (PKMAP_BASE + ((nr) << PAGE_SHIFT))
#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()
--
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