From 645e752c5a84baeb21015cdc85fc05b7d16312c8 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 11 May 2024 01:13:52 +0000
Subject: [PATCH] disable i2c1
---
kernel/arch/xtensa/include/asm/highmem.h | 29 +----------------------------
1 files changed, 1 insertions(+), 28 deletions(-)
diff --git a/kernel/arch/xtensa/include/asm/highmem.h b/kernel/arch/xtensa/include/asm/highmem.h
index 04e9340..eac5032 100644
--- a/kernel/arch/xtensa/include/asm/highmem.h
+++ b/kernel/arch/xtensa/include/asm/highmem.h
@@ -13,10 +13,10 @@
#define _XTENSA_HIGHMEM_H
#include <linux/wait.h>
+#include <linux/pgtable.h>
#include <asm/cacheflush.h>
#include <asm/fixmap.h>
#include <asm/kmap_types.h>
-#include <asm/pgtable.h>
#define PKMAP_BASE ((FIXADDR_START - \
(LAST_PKMAP + 1) * PAGE_SIZE) & PMD_MASK)
@@ -63,37 +63,10 @@
extern pte_t *pkmap_page_table;
-void *kmap_high(struct page *page);
-void kunmap_high(struct page *page);
-
-static inline void *kmap(struct page *page)
-{
- /* Check if this memory layout is broken because PKMAP overlaps
- * page table.
- */
- BUILD_BUG_ON(PKMAP_BASE <
- TLBTEMP_BASE_1 + TLBTEMP_SIZE);
- 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);
-}
-
static inline void flush_cache_kmaps(void)
{
flush_cache_all();
}
-
-void *kmap_atomic(struct page *page);
-void __kunmap_atomic(void *kvaddr);
void kmap_init(void);
--
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