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authorPaul Mundt <lethal@linux-sh.org>2010-01-21 02:05:25 -0500
committerPaul Mundt <lethal@linux-sh.org>2010-01-21 02:05:25 -0500
commit2dc2f8e0c46864e2a3722c84eaa96513d4cf8b2f (patch)
tree8464625ad2cf3f5a7e567d37493a15ec3596a98b /arch/sh/mm
parent3125ee72dca25fc2157dcddd07e2d740db921fc4 (diff)
sh: Kill off the special uncached section and fixmap.
Now that cached_to_uncached works as advertized in 32-bit mode and we're never going to be able to map < 16MB anyways, there's no need for the special uncached section. Kill it off. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/mm')
-rw-r--r--arch/sh/mm/cache-debugfs.c3
-rw-r--r--arch/sh/mm/cache-sh4.c4
-rw-r--r--arch/sh/mm/cache-sh7705.c4
-rw-r--r--arch/sh/mm/init.c3
-rw-r--r--arch/sh/mm/pmb.c6
-rw-r--r--arch/sh/mm/tlb-pteaex.c3
-rw-r--r--arch/sh/mm/tlb-sh4.c3
7 files changed, 10 insertions, 16 deletions
diff --git a/arch/sh/mm/cache-debugfs.c b/arch/sh/mm/cache-debugfs.c
index 5ba067b26591..48ce82ee9fd2 100644
--- a/arch/sh/mm/cache-debugfs.c
+++ b/arch/sh/mm/cache-debugfs.c
@@ -22,8 +22,7 @@ enum cache_type {
22 CACHE_TYPE_UNIFIED, 22 CACHE_TYPE_UNIFIED,
23}; 23};
24 24
25static int __uses_jump_to_uncached cache_seq_show(struct seq_file *file, 25static int cache_seq_show(struct seq_file *file, void *iter)
26 void *iter)
27{ 26{
28 unsigned int cache_type = (unsigned int)file->private; 27 unsigned int cache_type = (unsigned int)file->private;
29 struct cache_info *cache; 28 struct cache_info *cache;
diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c
index a2301daeefa3..87115b3ee70e 100644
--- a/arch/sh/mm/cache-sh4.c
+++ b/arch/sh/mm/cache-sh4.c
@@ -36,7 +36,7 @@ static void __flush_cache_one(unsigned long addr, unsigned long phys,
36 * Called from kernel/module.c:sys_init_module and routine for a.out format, 36 * Called from kernel/module.c:sys_init_module and routine for a.out format,
37 * signal handler code and kprobes code 37 * signal handler code and kprobes code
38 */ 38 */
39static void __uses_jump_to_uncached sh4_flush_icache_range(void *args) 39static void sh4_flush_icache_range(void *args)
40{ 40{
41 struct flusher_data *data = args; 41 struct flusher_data *data = args;
42 unsigned long start, end; 42 unsigned long start, end;
@@ -124,7 +124,7 @@ static void sh4_flush_dcache_page(void *arg)
124} 124}
125 125
126/* TODO: Selective icache invalidation through IC address array.. */ 126/* TODO: Selective icache invalidation through IC address array.. */
127static void __uses_jump_to_uncached flush_icache_all(void) 127static void flush_icache_all(void)
128{ 128{
129 unsigned long flags, ccr; 129 unsigned long flags, ccr;
130 130
diff --git a/arch/sh/mm/cache-sh7705.c b/arch/sh/mm/cache-sh7705.c
index f527fb70fce6..870293ee539e 100644
--- a/arch/sh/mm/cache-sh7705.c
+++ b/arch/sh/mm/cache-sh7705.c
@@ -78,7 +78,7 @@ static void sh7705_flush_icache_range(void *args)
78/* 78/*
79 * Writeback&Invalidate the D-cache of the page 79 * Writeback&Invalidate the D-cache of the page
80 */ 80 */
81static void __uses_jump_to_uncached __flush_dcache_page(unsigned long phys) 81static void __flush_dcache_page(unsigned long phys)
82{ 82{
83 unsigned long ways, waysize, addrstart; 83 unsigned long ways, waysize, addrstart;
84 unsigned long flags; 84 unsigned long flags;
@@ -144,7 +144,7 @@ static void sh7705_flush_dcache_page(void *arg)
144 __flush_dcache_page(__pa(page_address(page))); 144 __flush_dcache_page(__pa(page_address(page)));
145} 145}
146 146
147static void __uses_jump_to_uncached sh7705_flush_cache_all(void *args) 147static void sh7705_flush_cache_all(void *args)
148{ 148{
149 unsigned long flags; 149 unsigned long flags;
150 150
diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
index a28ff63c17a6..dffa6c749489 100644
--- a/arch/sh/mm/init.c
+++ b/arch/sh/mm/init.c
@@ -211,9 +211,6 @@ void __init paging_init(void)
211 } 211 }
212 212
213 free_area_init_nodes(max_zone_pfns); 213 free_area_init_nodes(max_zone_pfns);
214
215 /* Set up the uncached fixmap */
216 set_fixmap_nocache(FIX_UNCACHED, __pa(&__uncached_start));
217} 214}
218 215
219/* 216/*
diff --git a/arch/sh/mm/pmb.c b/arch/sh/mm/pmb.c
index d318fa6caffe..3d5eece7e6d0 100644
--- a/arch/sh/mm/pmb.c
+++ b/arch/sh/mm/pmb.c
@@ -127,14 +127,14 @@ static void __set_pmb_entry(unsigned long vpn, unsigned long ppn,
127 ctrl_outl(ppn | flags | PMB_V, mk_pmb_data(pos)); 127 ctrl_outl(ppn | flags | PMB_V, mk_pmb_data(pos));
128} 128}
129 129
130static void __uses_jump_to_uncached set_pmb_entry(struct pmb_entry *pmbe) 130static void set_pmb_entry(struct pmb_entry *pmbe)
131{ 131{
132 jump_to_uncached(); 132 jump_to_uncached();
133 __set_pmb_entry(pmbe->vpn, pmbe->ppn, pmbe->flags, pmbe->entry); 133 __set_pmb_entry(pmbe->vpn, pmbe->ppn, pmbe->flags, pmbe->entry);
134 back_to_cached(); 134 back_to_cached();
135} 135}
136 136
137static void __uses_jump_to_uncached clear_pmb_entry(struct pmb_entry *pmbe) 137static void clear_pmb_entry(struct pmb_entry *pmbe)
138{ 138{
139 unsigned int entry = pmbe->entry; 139 unsigned int entry = pmbe->entry;
140 unsigned long addr; 140 unsigned long addr;
@@ -364,7 +364,7 @@ static inline int pmb_apply_legacy_mappings(void)
364} 364}
365#endif 365#endif
366 366
367int __uses_jump_to_uncached pmb_init(void) 367int pmb_init(void)
368{ 368{
369 int i; 369 int i;
370 unsigned long addr, data; 370 unsigned long addr, data;
diff --git a/arch/sh/mm/tlb-pteaex.c b/arch/sh/mm/tlb-pteaex.c
index 409b7c2b4b9d..32dc674c550c 100644
--- a/arch/sh/mm/tlb-pteaex.c
+++ b/arch/sh/mm/tlb-pteaex.c
@@ -68,8 +68,7 @@ void __update_tlb(struct vm_area_struct *vma, unsigned long address, pte_t pte)
68 * in extended mode, the legacy 8-bit ASID field in address array 1 has 68 * in extended mode, the legacy 8-bit ASID field in address array 1 has
69 * undefined behaviour. 69 * undefined behaviour.
70 */ 70 */
71void __uses_jump_to_uncached local_flush_tlb_one(unsigned long asid, 71void local_flush_tlb_one(unsigned long asid, unsigned long page)
72 unsigned long page)
73{ 72{
74 jump_to_uncached(); 73 jump_to_uncached();
75 __raw_writel(page, MMU_UTLB_ADDRESS_ARRAY | MMU_PAGE_ASSOC_BIT); 74 __raw_writel(page, MMU_UTLB_ADDRESS_ARRAY | MMU_PAGE_ASSOC_BIT);
diff --git a/arch/sh/mm/tlb-sh4.c b/arch/sh/mm/tlb-sh4.c
index 8cf550e2570f..624c1daa9f3f 100644
--- a/arch/sh/mm/tlb-sh4.c
+++ b/arch/sh/mm/tlb-sh4.c
@@ -64,8 +64,7 @@ void __update_tlb(struct vm_area_struct *vma, unsigned long address, pte_t pte)
64 local_irq_restore(flags); 64 local_irq_restore(flags);
65} 65}
66 66
67void __uses_jump_to_uncached local_flush_tlb_one(unsigned long asid, 67void local_flush_tlb_one(unsigned long asid, unsigned long page)
68 unsigned long page)
69{ 68{
70 unsigned long addr, data; 69 unsigned long addr, data;
71 70