From f9004dbfff8a3fbbd7e2a88c8a4327c7f2f8e5b2 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 01:04:47 +0000
Subject: [PATCH] add driver 5G

---
 kernel/arch/arm/include/asm/pgtable-nommu.h |   26 +-------------------------
 1 files changed, 1 insertions(+), 25 deletions(-)

diff --git a/kernel/arch/arm/include/asm/pgtable-nommu.h b/kernel/arch/arm/include/asm/pgtable-nommu.h
index a0d726a..0900113 100644
--- a/kernel/arch/arm/include/asm/pgtable-nommu.h
+++ b/kernel/arch/arm/include/asm/pgtable-nommu.h
@@ -1,12 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
  *  arch/arm/include/asm/pgtable-nommu.h
  *
  *  Copyright (C) 1995-2002 Russell King
  *  Copyright (C) 2004  Hyok S. Choi
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 #ifndef _ASMARM_PGTABLE_NOMMU_H
 #define _ASMARM_PGTABLE_NOMMU_H
@@ -25,7 +22,6 @@
 #define pgd_bad(pgd)		(0)
 #define pgd_clear(pgdp)
 #define kern_addr_valid(addr)	(1)
-#define	pmd_offset(a, b)	((void *)0)
 /* FIXME */
 /*
  * PMD_SHIFT determines the size of the area a second-level page table can map
@@ -45,27 +41,14 @@
 
 #define swapper_pg_dir ((pgd_t *) 0)
 
-#define __swp_type(x)		(0)
-#define __swp_offset(x)		(0)
-#define __swp_entry(typ,off)	((swp_entry_t) { ((typ) | ((off) << 7)) })
-#define __pte_to_swp_entry(pte)	((swp_entry_t) { pte_val(pte) })
-#define __swp_entry_to_pte(x)	((pte_t) { (x).val })
-
 
 typedef pte_t *pte_addr_t;
-
-/*
- * ZERO_PAGE is a global shared page that is always zero: used
- * for zero-mapped memory areas etc..
- */
-#define ZERO_PAGE(vaddr)	(virt_to_page(0))
 
 /*
  * Mark the prot value as uncacheable and unbufferable.
  */
 #define pgprot_noncached(prot)	(prot)
 #define pgprot_writecombine(prot) (prot)
-#define pgprot_dmacoherent(prot) (prot)
 #define pgprot_device(prot)	(prot)
 
 
@@ -75,11 +58,6 @@
 extern unsigned int kobjsize(const void *objp);
 
 /*
- * No page table caches to initialise.
- */
-#define pgtable_cache_init()	do { } while (0)
-
-/*
  * All 32bit addresses are effectively valid for vmalloc...
  * Sort of meaningless for non-VM targets.
  */
@@ -87,8 +65,6 @@
 #define	VMALLOC_END	0xffffffffUL
 
 #define FIRST_USER_ADDRESS      0UL
-
-#include <asm-generic/pgtable.h>
 
 #else 
 

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