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authorTakashi Iwai <tiwai@suse.de>2010-12-13 03:28:43 -0500
committerTakashi Iwai <tiwai@suse.de>2010-12-13 03:28:43 -0500
commit20aeeb356ba2e8daa99b5942c528ae2b3ea28433 (patch)
treed2cebc7039954851998d592123899f5627def7a9 /arch/sh
parent07a9e2b2fbdda631eeff54e4b8ebcaaea71be538 (diff)
parent5b84ba26a9672e615897234fa5efd3eea2d6b295 (diff)
Merge branch 'topic/workq-update' into topic/asoc
Conflicts: sound/soc/codecs/wm8350.c sound/soc/codecs/wm8753.c sound/soc/sh/fsi.c sound/soc/soc-core.c
Diffstat (limited to 'arch/sh')
-rw-r--r--arch/sh/boards/mach-ecovec24/setup.c34
-rw-r--r--arch/sh/boards/mach-se/7724/setup.c47
-rw-r--r--arch/sh/include/asm/cacheflush.h2
-rw-r--r--arch/sh/include/asm/processor_32.h7
-rw-r--r--arch/sh/include/cpu-sh4/cpu/sh7724.h3
-rw-r--r--arch/sh/kernel/cpu/sh4/clock-sh4-202.c2
-rw-r--r--arch/sh/kernel/cpu/sh4a/clock-sh7724.c44
-rw-r--r--arch/sh/kernel/sys_sh.c2
-rw-r--r--arch/sh/kernel/vsyscall/vsyscall-trapa.S2
-rw-r--r--arch/sh/mm/cache-sh4.c4
-rw-r--r--arch/sh/mm/cache-sh7705.c2
-rw-r--r--arch/sh/mm/cache.c14
-rw-r--r--arch/sh/mm/kmap.c2
13 files changed, 73 insertions, 92 deletions
diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index 2eaeb9e59585..f48c492a68d3 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -720,32 +720,6 @@ static struct platform_device camera_devices[] = {
720}; 720};
721 721
722/* FSI */ 722/* FSI */
723/*
724 * FSI-B use external clock which came from da7210.
725 * So, we should change parent of fsi
726 */
727#define FCLKBCR 0xa415000c
728static void fsimck_init(struct clk *clk)
729{
730 u32 status = __raw_readl(clk->enable_reg);
731
732 /* use external clock */
733 status &= ~0x000000ff;
734 status |= 0x00000080;
735
736 __raw_writel(status, clk->enable_reg);
737}
738
739static struct clk_ops fsimck_clk_ops = {
740 .init = fsimck_init,
741};
742
743static struct clk fsimckb_clk = {
744 .ops = &fsimck_clk_ops,
745 .enable_reg = (void __iomem *)FCLKBCR,
746 .rate = 0, /* unknown */
747};
748
749static struct sh_fsi_platform_info fsi_info = { 723static struct sh_fsi_platform_info fsi_info = {
750 .portb_flags = SH_FSI_BRS_INV | 724 .portb_flags = SH_FSI_BRS_INV |
751 SH_FSI_OUT_SLAVE_MODE | 725 SH_FSI_OUT_SLAVE_MODE |
@@ -1264,10 +1238,10 @@ static int __init arch_setup(void)
1264 /* change parent of FSI B */ 1238 /* change parent of FSI B */
1265 clk = clk_get(NULL, "fsib_clk"); 1239 clk = clk_get(NULL, "fsib_clk");
1266 if (!IS_ERR(clk)) { 1240 if (!IS_ERR(clk)) {
1267 clk_register(&fsimckb_clk); 1241 /* 48kHz dummy clock was used to make sure 1/1 divide */
1268 clk_set_parent(clk, &fsimckb_clk); 1242 clk_set_rate(&sh7724_fsimckb_clk, 48000);
1269 clk_set_rate(clk, 11000); 1243 clk_set_parent(clk, &sh7724_fsimckb_clk);
1270 clk_set_rate(&fsimckb_clk, 11000); 1244 clk_set_rate(clk, 48000);
1271 clk_put(clk); 1245 clk_put(clk);
1272 } 1246 }
1273 1247
diff --git a/arch/sh/boards/mach-se/7724/setup.c b/arch/sh/boards/mach-se/7724/setup.c
index dff89d0fa20f..b710757c33c3 100644
--- a/arch/sh/boards/mach-se/7724/setup.c
+++ b/arch/sh/boards/mach-se/7724/setup.c
@@ -283,31 +283,6 @@ static struct platform_device ceu1_device = {
283}; 283};
284 284
285/* FSI */ 285/* FSI */
286/*
287 * FSI-A use external clock which came from ak464x.
288 * So, we should change parent of fsi
289 */
290#define FCLKACR 0xa4150008
291static void fsimck_init(struct clk *clk)
292{
293 u32 status = __raw_readl(clk->enable_reg);
294
295 /* use external clock */
296 status &= ~0x000000ff;
297 status |= 0x00000080;
298 __raw_writel(status, clk->enable_reg);
299}
300
301static struct clk_ops fsimck_clk_ops = {
302 .init = fsimck_init,
303};
304
305static struct clk fsimcka_clk = {
306 .ops = &fsimck_clk_ops,
307 .enable_reg = (void __iomem *)FCLKACR,
308 .rate = 0, /* unknown */
309};
310
311/* change J20, J21, J22 pin to 1-2 connection to use slave mode */ 286/* change J20, J21, J22 pin to 1-2 connection to use slave mode */
312static struct sh_fsi_platform_info fsi_info = { 287static struct sh_fsi_platform_info fsi_info = {
313 .porta_flags = SH_FSI_BRS_INV | 288 .porta_flags = SH_FSI_BRS_INV |
@@ -857,37 +832,29 @@ static int __init devices_setup(void)
857 gpio_request(GPIO_FN_KEYOUT0, NULL); 832 gpio_request(GPIO_FN_KEYOUT0, NULL);
858 833
859 /* enable FSI */ 834 /* enable FSI */
860 gpio_request(GPIO_FN_FSIMCKB, NULL);
861 gpio_request(GPIO_FN_FSIMCKA, NULL); 835 gpio_request(GPIO_FN_FSIMCKA, NULL);
836 gpio_request(GPIO_FN_FSIIASD, NULL);
862 gpio_request(GPIO_FN_FSIOASD, NULL); 837 gpio_request(GPIO_FN_FSIOASD, NULL);
863 gpio_request(GPIO_FN_FSIIABCK, NULL); 838 gpio_request(GPIO_FN_FSIIABCK, NULL);
864 gpio_request(GPIO_FN_FSIIALRCK, NULL); 839 gpio_request(GPIO_FN_FSIIALRCK, NULL);
865 gpio_request(GPIO_FN_FSIOABCK, NULL); 840 gpio_request(GPIO_FN_FSIOABCK, NULL);
866 gpio_request(GPIO_FN_FSIOALRCK, NULL); 841 gpio_request(GPIO_FN_FSIOALRCK, NULL);
867 gpio_request(GPIO_FN_CLKAUDIOAO, NULL); 842 gpio_request(GPIO_FN_CLKAUDIOAO, NULL);
868 gpio_request(GPIO_FN_FSIIBSD, NULL);
869 gpio_request(GPIO_FN_FSIOBSD, NULL);
870 gpio_request(GPIO_FN_FSIIBBCK, NULL);
871 gpio_request(GPIO_FN_FSIIBLRCK, NULL);
872 gpio_request(GPIO_FN_FSIOBBCK, NULL);
873 gpio_request(GPIO_FN_FSIOBLRCK, NULL);
874 gpio_request(GPIO_FN_CLKAUDIOBO, NULL);
875 gpio_request(GPIO_FN_FSIIASD, NULL);
876 843
877 /* set SPU2 clock to 83.4 MHz */ 844 /* set SPU2 clock to 83.4 MHz */
878 clk = clk_get(NULL, "spu_clk"); 845 clk = clk_get(NULL, "spu_clk");
879 if (clk) { 846 if (!IS_ERR(clk)) {
880 clk_set_rate(clk, clk_round_rate(clk, 83333333)); 847 clk_set_rate(clk, clk_round_rate(clk, 83333333));
881 clk_put(clk); 848 clk_put(clk);
882 } 849 }
883 850
884 /* change parent of FSI A */ 851 /* change parent of FSI A */
885 clk = clk_get(NULL, "fsia_clk"); 852 clk = clk_get(NULL, "fsia_clk");
886 if (clk) { 853 if (!IS_ERR(clk)) {
887 clk_register(&fsimcka_clk); 854 /* 48kHz dummy clock was used to make sure 1/1 divide */
888 clk_set_parent(clk, &fsimcka_clk); 855 clk_set_rate(&sh7724_fsimcka_clk, 48000);
889 clk_set_rate(clk, 11000); 856 clk_set_parent(clk, &sh7724_fsimcka_clk);
890 clk_set_rate(&fsimcka_clk, 11000); 857 clk_set_rate(clk, 48000);
891 clk_put(clk); 858 clk_put(clk);
892 } 859 }
893 860
diff --git a/arch/sh/include/asm/cacheflush.h b/arch/sh/include/asm/cacheflush.h
index 1f4e562c5e8c..82e1eabeac98 100644
--- a/arch/sh/include/asm/cacheflush.h
+++ b/arch/sh/include/asm/cacheflush.h
@@ -96,7 +96,7 @@ void kmap_coherent_init(void);
96void *kmap_coherent(struct page *page, unsigned long addr); 96void *kmap_coherent(struct page *page, unsigned long addr);
97void kunmap_coherent(void *kvaddr); 97void kunmap_coherent(void *kvaddr);
98 98
99#define PG_dcache_dirty PG_arch_1 99#define PG_dcache_clean PG_arch_1
100 100
101void cpu_cache_init(void); 101void cpu_cache_init(void);
102 102
diff --git a/arch/sh/include/asm/processor_32.h b/arch/sh/include/asm/processor_32.h
index 46d5179c9f49..e3c73cdd8c90 100644
--- a/arch/sh/include/asm/processor_32.h
+++ b/arch/sh/include/asm/processor_32.h
@@ -199,10 +199,13 @@ extern unsigned long get_wchan(struct task_struct *p);
199#define ARCH_HAS_PREFETCHW 199#define ARCH_HAS_PREFETCHW
200static inline void prefetch(void *x) 200static inline void prefetch(void *x)
201{ 201{
202 __asm__ __volatile__ ("pref @%0\n\t" : : "r" (x) : "memory"); 202 __builtin_prefetch(x, 0, 3);
203} 203}
204 204
205#define prefetchw(x) prefetch(x) 205static inline void prefetchw(void *x)
206{
207 __builtin_prefetch(x, 1, 3);
208}
206#endif 209#endif
207 210
208#endif /* __KERNEL__ */ 211#endif /* __KERNEL__ */
diff --git a/arch/sh/include/cpu-sh4/cpu/sh7724.h b/arch/sh/include/cpu-sh4/cpu/sh7724.h
index 4c27b68789b3..7eb435999426 100644
--- a/arch/sh/include/cpu-sh4/cpu/sh7724.h
+++ b/arch/sh/include/cpu-sh4/cpu/sh7724.h
@@ -303,4 +303,7 @@ enum {
303 SHDMA_SLAVE_SDHI1_RX, 303 SHDMA_SLAVE_SDHI1_RX,
304}; 304};
305 305
306extern struct clk sh7724_fsimcka_clk;
307extern struct clk sh7724_fsimckb_clk;
308
306#endif /* __ASM_SH7724_H__ */ 309#endif /* __ASM_SH7724_H__ */
diff --git a/arch/sh/kernel/cpu/sh4/clock-sh4-202.c b/arch/sh/kernel/cpu/sh4/clock-sh4-202.c
index 4eabc68cd753..b601fa3978d1 100644
--- a/arch/sh/kernel/cpu/sh4/clock-sh4-202.c
+++ b/arch/sh/kernel/cpu/sh4/clock-sh4-202.c
@@ -110,7 +110,7 @@ static int shoc_clk_verify_rate(struct clk *clk, unsigned long rate)
110 return 0; 110 return 0;
111} 111}
112 112
113static int shoc_clk_set_rate(struct clk *clk, unsigned long rate, int algo_id) 113static int shoc_clk_set_rate(struct clk *clk, unsigned long rate)
114{ 114{
115 unsigned long frqcr3; 115 unsigned long frqcr3;
116 unsigned int tmp; 116 unsigned int tmp;
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7724.c b/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
index 0fe2e9329cb2..271c0b325a9a 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
@@ -111,12 +111,21 @@ static struct clk div3_clk = {
111 .parent = &pll_clk, 111 .parent = &pll_clk,
112}; 112};
113 113
114/* External input clock (pin name: FSIMCKA/FSIMCKB ) */
115struct clk sh7724_fsimcka_clk = {
116};
117
118struct clk sh7724_fsimckb_clk = {
119};
120
114static struct clk *main_clks[] = { 121static struct clk *main_clks[] = {
115 &r_clk, 122 &r_clk,
116 &extal_clk, 123 &extal_clk,
117 &fll_clk, 124 &fll_clk,
118 &pll_clk, 125 &pll_clk,
119 &div3_clk, 126 &div3_clk,
127 &sh7724_fsimcka_clk,
128 &sh7724_fsimckb_clk,
120}; 129};
121 130
122static void div4_kick(struct clk *clk) 131static void div4_kick(struct clk *clk)
@@ -154,16 +163,38 @@ struct clk div4_clks[DIV4_NR] = {
154 [DIV4_M1] = DIV4(FRQCRB, 4, 0x2f7c, CLK_ENABLE_ON_INIT), 163 [DIV4_M1] = DIV4(FRQCRB, 4, 0x2f7c, CLK_ENABLE_ON_INIT),
155}; 164};
156 165
157enum { DIV6_V, DIV6_FA, DIV6_FB, DIV6_I, DIV6_S, DIV6_NR }; 166enum { DIV6_V, DIV6_I, DIV6_S, DIV6_NR };
158 167
159static struct clk div6_clks[DIV6_NR] = { 168static struct clk div6_clks[DIV6_NR] = {
160 [DIV6_V] = SH_CLK_DIV6(&div3_clk, VCLKCR, 0), 169 [DIV6_V] = SH_CLK_DIV6(&div3_clk, VCLKCR, 0),
161 [DIV6_FA] = SH_CLK_DIV6(&div3_clk, FCLKACR, 0),
162 [DIV6_FB] = SH_CLK_DIV6(&div3_clk, FCLKBCR, 0),
163 [DIV6_I] = SH_CLK_DIV6(&div3_clk, IRDACLKCR, 0), 170 [DIV6_I] = SH_CLK_DIV6(&div3_clk, IRDACLKCR, 0),
164 [DIV6_S] = SH_CLK_DIV6(&div3_clk, SPUCLKCR, CLK_ENABLE_ON_INIT), 171 [DIV6_S] = SH_CLK_DIV6(&div3_clk, SPUCLKCR, CLK_ENABLE_ON_INIT),
165}; 172};
166 173
174enum { DIV6_FA, DIV6_FB, DIV6_REPARENT_NR };
175
176/* Indices are important - they are the actual src selecting values */
177static struct clk *fclkacr_parent[] = {
178 [0] = &div3_clk,
179 [1] = NULL,
180 [2] = &sh7724_fsimcka_clk,
181 [3] = NULL,
182};
183
184static struct clk *fclkbcr_parent[] = {
185 [0] = &div3_clk,
186 [1] = NULL,
187 [2] = &sh7724_fsimckb_clk,
188 [3] = NULL,
189};
190
191static struct clk div6_reparent_clks[DIV6_REPARENT_NR] = {
192 [DIV6_FA] = SH_CLK_DIV6_EXT(&div3_clk, FCLKACR, 0,
193 fclkacr_parent, ARRAY_SIZE(fclkacr_parent), 6, 2),
194 [DIV6_FB] = SH_CLK_DIV6_EXT(&div3_clk, FCLKBCR, 0,
195 fclkbcr_parent, ARRAY_SIZE(fclkbcr_parent), 6, 2),
196};
197
167static struct clk mstp_clks[HWBLK_NR] = { 198static struct clk mstp_clks[HWBLK_NR] = {
168 SH_HWBLK_CLK(HWBLK_TLB, &div4_clks[DIV4_I], CLK_ENABLE_ON_INIT), 199 SH_HWBLK_CLK(HWBLK_TLB, &div4_clks[DIV4_I], CLK_ENABLE_ON_INIT),
169 SH_HWBLK_CLK(HWBLK_IC, &div4_clks[DIV4_I], CLK_ENABLE_ON_INIT), 200 SH_HWBLK_CLK(HWBLK_IC, &div4_clks[DIV4_I], CLK_ENABLE_ON_INIT),
@@ -240,8 +271,8 @@ static struct clk_lookup lookups[] = {
240 271
241 /* DIV6 clocks */ 272 /* DIV6 clocks */
242 CLKDEV_CON_ID("video_clk", &div6_clks[DIV6_V]), 273 CLKDEV_CON_ID("video_clk", &div6_clks[DIV6_V]),
243 CLKDEV_CON_ID("fsia_clk", &div6_clks[DIV6_FA]), 274 CLKDEV_CON_ID("fsia_clk", &div6_reparent_clks[DIV6_FA]),
244 CLKDEV_CON_ID("fsib_clk", &div6_clks[DIV6_FB]), 275 CLKDEV_CON_ID("fsib_clk", &div6_reparent_clks[DIV6_FB]),
245 CLKDEV_CON_ID("irda_clk", &div6_clks[DIV6_I]), 276 CLKDEV_CON_ID("irda_clk", &div6_clks[DIV6_I]),
246 CLKDEV_CON_ID("spu_clk", &div6_clks[DIV6_S]), 277 CLKDEV_CON_ID("spu_clk", &div6_clks[DIV6_S]),
247 278
@@ -376,6 +407,9 @@ int __init arch_clk_init(void)
376 ret = sh_clk_div6_register(div6_clks, DIV6_NR); 407 ret = sh_clk_div6_register(div6_clks, DIV6_NR);
377 408
378 if (!ret) 409 if (!ret)
410 ret = sh_clk_div6_reparent_register(div6_reparent_clks, DIV6_REPARENT_NR);
411
412 if (!ret)
379 ret = sh_hwblk_clk_register(mstp_clks, HWBLK_NR); 413 ret = sh_hwblk_clk_register(mstp_clks, HWBLK_NR);
380 414
381 return ret; 415 return ret;
diff --git a/arch/sh/kernel/sys_sh.c b/arch/sh/kernel/sys_sh.c
index 81f58371613d..8c6a350df751 100644
--- a/arch/sh/kernel/sys_sh.c
+++ b/arch/sh/kernel/sys_sh.c
@@ -88,7 +88,7 @@ asmlinkage int sys_cacheflush(unsigned long addr, unsigned long len, int op)
88 } 88 }
89 89
90 if (op & CACHEFLUSH_I) 90 if (op & CACHEFLUSH_I)
91 flush_cache_all(); 91 flush_icache_range(addr, addr+len);
92 92
93 up_read(&current->mm->mmap_sem); 93 up_read(&current->mm->mmap_sem);
94 return 0; 94 return 0;
diff --git a/arch/sh/kernel/vsyscall/vsyscall-trapa.S b/arch/sh/kernel/vsyscall/vsyscall-trapa.S
index 3b6eb34c43fa..3e70f851cdc6 100644
--- a/arch/sh/kernel/vsyscall/vsyscall-trapa.S
+++ b/arch/sh/kernel/vsyscall/vsyscall-trapa.S
@@ -8,9 +8,9 @@ __kernel_vsyscall:
8 * fill out .eh_frame -- PFM. */ 8 * fill out .eh_frame -- PFM. */
9.LEND_vsyscall: 9.LEND_vsyscall:
10 .size __kernel_vsyscall,.-.LSTART_vsyscall 10 .size __kernel_vsyscall,.-.LSTART_vsyscall
11 .previous
12 11
13 .section .eh_frame,"a",@progbits 12 .section .eh_frame,"a",@progbits
13 .previous
14.LCIE: 14.LCIE:
15 .ualong .LCIE_end - .LCIE_start 15 .ualong .LCIE_end - .LCIE_start
16.LCIE_start: 16.LCIE_start:
diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c
index 2cfae81914aa..92eb98633ab0 100644
--- a/arch/sh/mm/cache-sh4.c
+++ b/arch/sh/mm/cache-sh4.c
@@ -114,7 +114,7 @@ static void sh4_flush_dcache_page(void *arg)
114 struct address_space *mapping = page_mapping(page); 114 struct address_space *mapping = page_mapping(page);
115 115
116 if (mapping && !mapping_mapped(mapping)) 116 if (mapping && !mapping_mapped(mapping))
117 set_bit(PG_dcache_dirty, &page->flags); 117 clear_bit(PG_dcache_clean, &page->flags);
118 else 118 else
119#endif 119#endif
120 flush_cache_one(CACHE_OC_ADDRESS_ARRAY | 120 flush_cache_one(CACHE_OC_ADDRESS_ARRAY |
@@ -239,7 +239,7 @@ static void sh4_flush_cache_page(void *args)
239 * another ASID than the current one. 239 * another ASID than the current one.
240 */ 240 */
241 map_coherent = (current_cpu_data.dcache.n_aliases && 241 map_coherent = (current_cpu_data.dcache.n_aliases &&
242 !test_bit(PG_dcache_dirty, &page->flags) && 242 test_bit(PG_dcache_clean, &page->flags) &&
243 page_mapped(page)); 243 page_mapped(page));
244 if (map_coherent) 244 if (map_coherent)
245 vaddr = kmap_coherent(page, address); 245 vaddr = kmap_coherent(page, address);
diff --git a/arch/sh/mm/cache-sh7705.c b/arch/sh/mm/cache-sh7705.c
index f498da1cce7a..7729cca727eb 100644
--- a/arch/sh/mm/cache-sh7705.c
+++ b/arch/sh/mm/cache-sh7705.c
@@ -139,7 +139,7 @@ static void sh7705_flush_dcache_page(void *arg)
139 struct address_space *mapping = page_mapping(page); 139 struct address_space *mapping = page_mapping(page);
140 140
141 if (mapping && !mapping_mapped(mapping)) 141 if (mapping && !mapping_mapped(mapping))
142 set_bit(PG_dcache_dirty, &page->flags); 142 clear_bit(PG_dcache_clean, &page->flags);
143 else 143 else
144 __flush_dcache_page(__pa(page_address(page))); 144 __flush_dcache_page(__pa(page_address(page)));
145} 145}
diff --git a/arch/sh/mm/cache.c b/arch/sh/mm/cache.c
index ba401d137bb9..88d3dc3d30d5 100644
--- a/arch/sh/mm/cache.c
+++ b/arch/sh/mm/cache.c
@@ -60,14 +60,14 @@ void copy_to_user_page(struct vm_area_struct *vma, struct page *page,
60 unsigned long len) 60 unsigned long len)
61{ 61{
62 if (boot_cpu_data.dcache.n_aliases && page_mapped(page) && 62 if (boot_cpu_data.dcache.n_aliases && page_mapped(page) &&
63 !test_bit(PG_dcache_dirty, &page->flags)) { 63 test_bit(PG_dcache_clean, &page->flags)) {
64 void *vto = kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK); 64 void *vto = kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK);
65 memcpy(vto, src, len); 65 memcpy(vto, src, len);
66 kunmap_coherent(vto); 66 kunmap_coherent(vto);
67 } else { 67 } else {
68 memcpy(dst, src, len); 68 memcpy(dst, src, len);
69 if (boot_cpu_data.dcache.n_aliases) 69 if (boot_cpu_data.dcache.n_aliases)
70 set_bit(PG_dcache_dirty, &page->flags); 70 clear_bit(PG_dcache_clean, &page->flags);
71 } 71 }
72 72
73 if (vma->vm_flags & VM_EXEC) 73 if (vma->vm_flags & VM_EXEC)
@@ -79,14 +79,14 @@ void copy_from_user_page(struct vm_area_struct *vma, struct page *page,
79 unsigned long len) 79 unsigned long len)
80{ 80{
81 if (boot_cpu_data.dcache.n_aliases && page_mapped(page) && 81 if (boot_cpu_data.dcache.n_aliases && page_mapped(page) &&
82 !test_bit(PG_dcache_dirty, &page->flags)) { 82 test_bit(PG_dcache_clean, &page->flags)) {
83 void *vfrom = kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK); 83 void *vfrom = kmap_coherent(page, vaddr) + (vaddr & ~PAGE_MASK);
84 memcpy(dst, vfrom, len); 84 memcpy(dst, vfrom, len);
85 kunmap_coherent(vfrom); 85 kunmap_coherent(vfrom);
86 } else { 86 } else {
87 memcpy(dst, src, len); 87 memcpy(dst, src, len);
88 if (boot_cpu_data.dcache.n_aliases) 88 if (boot_cpu_data.dcache.n_aliases)
89 set_bit(PG_dcache_dirty, &page->flags); 89 clear_bit(PG_dcache_clean, &page->flags);
90 } 90 }
91} 91}
92 92
@@ -98,7 +98,7 @@ void copy_user_highpage(struct page *to, struct page *from,
98 vto = kmap_atomic(to, KM_USER1); 98 vto = kmap_atomic(to, KM_USER1);
99 99
100 if (boot_cpu_data.dcache.n_aliases && page_mapped(from) && 100 if (boot_cpu_data.dcache.n_aliases && page_mapped(from) &&
101 !test_bit(PG_dcache_dirty, &from->flags)) { 101 test_bit(PG_dcache_clean, &from->flags)) {
102 vfrom = kmap_coherent(from, vaddr); 102 vfrom = kmap_coherent(from, vaddr);
103 copy_page(vto, vfrom); 103 copy_page(vto, vfrom);
104 kunmap_coherent(vfrom); 104 kunmap_coherent(vfrom);
@@ -141,7 +141,7 @@ void __update_cache(struct vm_area_struct *vma,
141 141
142 page = pfn_to_page(pfn); 142 page = pfn_to_page(pfn);
143 if (pfn_valid(pfn)) { 143 if (pfn_valid(pfn)) {
144 int dirty = test_and_clear_bit(PG_dcache_dirty, &page->flags); 144 int dirty = !test_and_set_bit(PG_dcache_clean, &page->flags);
145 if (dirty) 145 if (dirty)
146 __flush_purge_region(page_address(page), PAGE_SIZE); 146 __flush_purge_region(page_address(page), PAGE_SIZE);
147 } 147 }
@@ -153,7 +153,7 @@ void __flush_anon_page(struct page *page, unsigned long vmaddr)
153 153
154 if (pages_do_alias(addr, vmaddr)) { 154 if (pages_do_alias(addr, vmaddr)) {
155 if (boot_cpu_data.dcache.n_aliases && page_mapped(page) && 155 if (boot_cpu_data.dcache.n_aliases && page_mapped(page) &&
156 !test_bit(PG_dcache_dirty, &page->flags)) { 156 test_bit(PG_dcache_clean, &page->flags)) {
157 void *kaddr; 157 void *kaddr;
158 158
159 kaddr = kmap_coherent(page, vmaddr); 159 kaddr = kmap_coherent(page, vmaddr);
diff --git a/arch/sh/mm/kmap.c b/arch/sh/mm/kmap.c
index 15d74ea42094..ec29e14ec5a8 100644
--- a/arch/sh/mm/kmap.c
+++ b/arch/sh/mm/kmap.c
@@ -34,7 +34,7 @@ void *kmap_coherent(struct page *page, unsigned long addr)
34 enum fixed_addresses idx; 34 enum fixed_addresses idx;
35 unsigned long vaddr; 35 unsigned long vaddr;
36 36
37 BUG_ON(test_bit(PG_dcache_dirty, &page->flags)); 37 BUG_ON(!test_bit(PG_dcache_clean, &page->flags));
38 38
39 pagefault_disable(); 39 pagefault_disable();
40 40