add driver 5G

hc

2024-01-31 f9004dbfff8a3fbbd7e2a88c8a4327c7f2f8e5b2

 kernel/arch/arm/mm/cache-feroceon-l2.c
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@@ -49,9 +49,9 @@
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 	 * we simply install a virtual mapping for it only for the
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 	 * TLB lookup to occur, hence no need to flush the untouched
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 	 * memory mapping afterwards (note: a cache flush may happen
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-	 * in some circumstances depending on the path taken in kunmap_local).
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+	 * in some circumstances depending on the path taken in kunmap_atomic).
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 	 */
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-	void *vaddr = kmap_local_pfn(paddr >> PAGE_SHIFT);
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+	void *vaddr = kmap_atomic_pfn(paddr >> PAGE_SHIFT);
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 	return (unsigned long)vaddr + (paddr & ~PAGE_MASK);
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 #else
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 	return __phys_to_virt(paddr);
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@@ -61,7 +61,7 @@
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 static inline void l2_put_va(unsigned long vaddr)
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 {
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 #ifdef CONFIG_HIGHMEM
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-	kunmap_local((void *)vaddr);
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+	kunmap_atomic((void *)vaddr);
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 #endif
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 }
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