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authorLinus Torvalds <torvalds@linux-foundation.org>2010-02-28 13:37:40 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2010-02-28 13:37:40 -0500
commit85fe20bfd415af0a2e93bd1166533d4a6eb591ea (patch)
tree10b0e485712859327f0c800491fb787a1859f0b6
parent58f02db466900003b801bdfdeddc4d96ce42b7d5 (diff)
parent1c5b9069e12e20d2fe883076ae0bf73966492108 (diff)
Merge branch 'x86-io-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-io-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86: Merge io.h x86: Simplify flush_write_buffers() x86: Clean up mem*io functions. x86-64: Use BUILDIO in io_64.h x86-64: Reorganize io_64.h x86-32: Remove _local variants of in/out from io_32.h x86-32: Move XQUAD definitions to numaq.h
Diffstat
-rw-r--r--arch/x86/boot/compressed/misc.c13
-rw-r--r--arch/x86/include/asm/io.h155
-rw-r--r--arch/x86/include/asm/io_32.h196
-rw-r--r--arch/x86/include/asm/io_64.h181
-rw-r--r--arch/x86/include/asm/numaq.h4
-rw-r--r--arch/x86/lib/Makefile2
-rw-r--r--arch/x86/lib/io_64.c25
-rw-r--r--arch/x86/pci/numaq_32.c6
8 files changed, 162 insertions, 420 deletions
diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c
index 3b22fe8ab91b..88042e812d3c 100644
--- a/arch/x86/boot/compressed/misc.c
+++ b/arch/x86/boot/compressed/misc.c
@@ -19,11 +19,6 @@
19#define _ASM_X86_DESC_H 1 19#define _ASM_X86_DESC_H 1
20#endif 20#endif
21 21
22#ifdef CONFIG_X86_64
23#define _LINUX_STRING_H_ 1
24#define __LINUX_BITMAP_H 1
25#endif
26
27#include <linux/linkage.h> 22#include <linux/linkage.h>
28#include <linux/screen_info.h> 23#include <linux/screen_info.h>
29#include <linux/elf.h> 24#include <linux/elf.h>
@@ -131,8 +126,8 @@ static void error(char *m);
131static struct boot_params *real_mode; /* Pointer to real-mode data */ 126static struct boot_params *real_mode; /* Pointer to real-mode data */
132static int quiet; 127static int quiet;
133 128
134static void *memset(void *s, int c, unsigned n); 129void *memset(void *s, int c, size_t n);
135void *memcpy(void *dest, const void *src, unsigned n); 130void *memcpy(void *dest, const void *src, size_t n);
136 131
137static void __putstr(int, const char *); 132static void __putstr(int, const char *);
138#define putstr(__x) __putstr(0, __x) 133#define putstr(__x) __putstr(0, __x)
@@ -223,7 +218,7 @@ static void __putstr(int error, const char *s)
223 outb(0xff & (pos >> 1), vidport+1); 218 outb(0xff & (pos >> 1), vidport+1);
224} 219}
225 220
226static void *memset(void *s, int c, unsigned n) 221void *memset(void *s, int c, size_t n)
227{ 222{
228 int i; 223 int i;
229 char *ss = s; 224 char *ss = s;
@@ -233,7 +228,7 @@ static void *memset(void *s, int c, unsigned n)
233 return s; 228 return s;
234} 229}
235 230
236void *memcpy(void *dest, const void *src, unsigned n) 231void *memcpy(void *dest, const void *src, size_t n)
237{ 232{
238 int i; 233 int i;
239 const char *s = src; 234 const char *s = src;
diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h
index 73739322b6d0..a1dcfa3ab17d 100644
--- a/arch/x86/include/asm/io.h
+++ b/arch/x86/include/asm/io.h
@@ -1,8 +1,42 @@
1#ifndef _ASM_X86_IO_H 1#ifndef _ASM_X86_IO_H
2#define _ASM_X86_IO_H 2#define _ASM_X86_IO_H
3 3
4/*
5 * This file contains the definitions for the x86 IO instructions
6 * inb/inw/inl/outb/outw/outl and the "string versions" of the same
7 * (insb/insw/insl/outsb/outsw/outsl). You can also use "pausing"
8 * versions of the single-IO instructions (inb_p/inw_p/..).
9 *
10 * This file is not meant to be obfuscating: it's just complicated
11 * to (a) handle it all in a way that makes gcc able to optimize it
12 * as well as possible and (b) trying to avoid writing the same thing
13 * over and over again with slight variations and possibly making a
14 * mistake somewhere.
15 */
16
17/*
18 * Thanks to James van Artsdalen for a better timing-fix than
19 * the two short jumps: using outb's to a nonexistent port seems
20 * to guarantee better timings even on fast machines.
21 *
22 * On the other hand, I'd like to be sure of a non-existent port:
23 * I feel a bit unsafe about using 0x80 (should be safe, though)
24 *
25 * Linus
26 */
27
28 /*
29 * Bit simplified and optimized by Jan Hubicka
30 * Support of BIGMEM added by Gerhard Wichert, Siemens AG, July 1999.
31 *
32 * isa_memset_io, isa_memcpy_fromio, isa_memcpy_toio added,
33 * isa_read[wl] and isa_write[wl] fixed
34 * - Arnaldo Carvalho de Melo <acme@conectiva.com.br>
35 */
36
4#define ARCH_HAS_IOREMAP_WC 37#define ARCH_HAS_IOREMAP_WC
5 38
39#include <linux/string.h>
6#include <linux/compiler.h> 40#include <linux/compiler.h>
7#include <asm-generic/int-ll64.h> 41#include <asm-generic/int-ll64.h>
8#include <asm/page.h> 42#include <asm/page.h>
@@ -173,11 +207,126 @@ static inline void __iomem *ioremap(resource_size_t offset, unsigned long size)
173extern void iounmap(volatile void __iomem *addr); 207extern void iounmap(volatile void __iomem *addr);
174 208
175 209
176#ifdef CONFIG_X86_32 210#ifdef __KERNEL__
177# include "io_32.h" 211
212#include <asm-generic/iomap.h>
213
214#include <linux/vmalloc.h>
215
216/*
217 * Convert a virtual cached pointer to an uncached pointer
218 */
219#define xlate_dev_kmem_ptr(p) p
220
221static inline void
222memset_io(volatile void __iomem *addr, unsigned char val, size_t count)
223{
224 memset((void __force *)addr, val, count);
225}
226
227static inline void
228memcpy_fromio(void *dst, const volatile void __iomem *src, size_t count)
229{
230 memcpy(dst, (const void __force *)src, count);
231}
232
233static inline void
234memcpy_toio(volatile void __iomem *dst, const void *src, size_t count)
235{
236 memcpy((void __force *)dst, src, count);
237}
238
239/*
240 * ISA space is 'always mapped' on a typical x86 system, no need to
241 * explicitly ioremap() it. The fact that the ISA IO space is mapped
242 * to PAGE_OFFSET is pure coincidence - it does not mean ISA values
243 * are physical addresses. The following constant pointer can be
244 * used as the IO-area pointer (it can be iounmapped as well, so the
245 * analogy with PCI is quite large):
246 */
247#define __ISA_IO_base ((char __iomem *)(PAGE_OFFSET))
248
249/*
250 * Cache management
251 *
252 * This needed for two cases
253 * 1. Out of order aware processors
254 * 2. Accidentally out of order processors (PPro errata #51)
255 */
256
257static inline void flush_write_buffers(void)
258{
259#if defined(CONFIG_X86_OOSTORE) || defined(CONFIG_X86_PPRO_FENCE)
260 asm volatile("lock; addl $0,0(%%esp)": : :"memory");
261#endif
262}
263
264#endif /* __KERNEL__ */
265
266extern void native_io_delay(void);
267
268extern int io_delay_type;
269extern void io_delay_init(void);
270
271#if defined(CONFIG_PARAVIRT)
272#include <asm/paravirt.h>
178#else 273#else
179# include "io_64.h" 274
275static inline void slow_down_io(void)
276{
277 native_io_delay();
278#ifdef REALLY_SLOW_IO
279 native_io_delay();
280 native_io_delay();
281 native_io_delay();
180#endif 282#endif
283}
284
285#endif
286
287#define BUILDIO(bwl, bw, type) \
288static inline void out##bwl(unsigned type value, int port) \
289{ \
290 asm volatile("out" #bwl " %" #bw "0, %w1" \
291 : : "a"(value), "Nd"(port)); \
292} \
293 \
294static inline unsigned type in##bwl(int port) \
295{ \
296 unsigned type value; \
297 asm volatile("in" #bwl " %w1, %" #bw "0" \
298 : "=a"(value) : "Nd"(port)); \
299 return value; \
300} \
301 \
302static inline void out##bwl##_p(unsigned type value, int port) \
303{ \
304 out##bwl(value, port); \
305 slow_down_io(); \
306} \
307 \
308static inline unsigned type in##bwl##_p(int port) \
309{ \
310 unsigned type value = in##bwl(port); \
311 slow_down_io(); \
312 return value; \
313} \
314 \
315static inline void outs##bwl(int port, const void *addr, unsigned long count) \
316{ \
317 asm volatile("rep; outs" #bwl \
318 : "+S"(addr), "+c"(count) : "d"(port)); \
319} \
320 \
321static inline void ins##bwl(int port, void *addr, unsigned long count) \
322{ \
323 asm volatile("rep; ins" #bwl \
324 : "+D"(addr), "+c"(count) : "d"(port)); \
325}
326
327BUILDIO(b, b, char)
328BUILDIO(w, w, short)
329BUILDIO(l, , int)
181 330
182extern void *xlate_dev_mem_ptr(unsigned long phys); 331extern void *xlate_dev_mem_ptr(unsigned long phys);
183extern void unxlate_dev_mem_ptr(unsigned long phys, void *addr); 332extern void unxlate_dev_mem_ptr(unsigned long phys, void *addr);
diff --git a/arch/x86/include/asm/io_32.h b/arch/x86/include/asm/io_32.h
deleted file mode 100644
index a299900f5920..000000000000
--- a/arch/x86/include/asm/io_32.h
+++ /dev/null
@@ -1,196 +0,0 @@
1#ifndef _ASM_X86_IO_32_H
2#define _ASM_X86_IO_32_H
3
4#include <linux/string.h>
5#include <linux/compiler.h>
6
7/*
8 * This file contains the definitions for the x86 IO instructions
9 * inb/inw/inl/outb/outw/outl and the "string versions" of the same
10 * (insb/insw/insl/outsb/outsw/outsl). You can also use "pausing"
11 * versions of the single-IO instructions (inb_p/inw_p/..).
12 *
13 * This file is not meant to be obfuscating: it's just complicated
14 * to (a) handle it all in a way that makes gcc able to optimize it
15 * as well as possible and (b) trying to avoid writing the same thing
16 * over and over again with slight variations and possibly making a
17 * mistake somewhere.
18 */
19
20/*
21 * Thanks to James van Artsdalen for a better timing-fix than
22 * the two short jumps: using outb's to a nonexistent port seems
23 * to guarantee better timings even on fast machines.
24 *
25 * On the other hand, I'd like to be sure of a non-existent port:
26 * I feel a bit unsafe about using 0x80 (should be safe, though)
27 *
28 * Linus
29 */
30
31 /*
32 * Bit simplified and optimized by Jan Hubicka
33 * Support of BIGMEM added by Gerhard Wichert, Siemens AG, July 1999.
34 *
35 * isa_memset_io, isa_memcpy_fromio, isa_memcpy_toio added,
36 * isa_read[wl] and isa_write[wl] fixed
37 * - Arnaldo Carvalho de Melo <acme@conectiva.com.br>
38 */
39
40#define XQUAD_PORTIO_BASE 0xfe400000
41#define XQUAD_PORTIO_QUAD 0x40000 /* 256k per quad. */
42
43#ifdef __KERNEL__
44
45#include <asm-generic/iomap.h>
46
47#include <linux/vmalloc.h>
48
49/*
50 * Convert a virtual cached pointer to an uncached pointer
51 */
52#define xlate_dev_kmem_ptr(p) p
53
54static inline void
55memset_io(volatile void __iomem *addr, unsigned char val, int count)
56{
57 memset((void __force *)addr, val, count);
58}
59
60static inline void
61memcpy_fromio(void *dst, const volatile void __iomem *src, int count)
62{
63 __memcpy(dst, (const void __force *)src, count);
64}
65
66static inline void
67memcpy_toio(volatile void __iomem *dst, const void *src, int count)
68{
69 __memcpy((void __force *)dst, src, count);
70}
71
72/*
73 * ISA space is 'always mapped' on a typical x86 system, no need to
74 * explicitly ioremap() it. The fact that the ISA IO space is mapped
75 * to PAGE_OFFSET is pure coincidence - it does not mean ISA values
76 * are physical addresses. The following constant pointer can be
77 * used as the IO-area pointer (it can be iounmapped as well, so the
78 * analogy with PCI is quite large):
79 */
80#define __ISA_IO_base ((char __iomem *)(PAGE_OFFSET))
81
82/*
83 * Cache management
84 *
85 * This needed for two cases
86 * 1. Out of order aware processors
87 * 2. Accidentally out of order processors (PPro errata #51)
88 */
89
90#if defined(CONFIG_X86_OOSTORE) || defined(CONFIG_X86_PPRO_FENCE)
91
92static inline void flush_write_buffers(void)
93{
94 asm volatile("lock; addl $0,0(%%esp)": : :"memory");
95}
96
97#else
98
99#define flush_write_buffers() do { } while (0)
100
101#endif
102
103#endif /* __KERNEL__ */
104
105extern void native_io_delay(void);
106
107extern int io_delay_type;
108extern void io_delay_init(void);
109
110#if defined(CONFIG_PARAVIRT)
111#include <asm/paravirt.h>
112#else
113
114static inline void slow_down_io(void)
115{
116 native_io_delay();
117#ifdef REALLY_SLOW_IO
118 native_io_delay();
119 native_io_delay();
120 native_io_delay();
121#endif
122}
123
124#endif
125
126#define __BUILDIO(bwl, bw, type) \
127static inline void out##bwl(unsigned type value, int port) \
128{ \
129 out##bwl##_local(value, port); \
130} \
131 \
132static inline unsigned type in##bwl(int port) \
133{ \
134 return in##bwl##_local(port); \
135}
136
137#define BUILDIO(bwl, bw, type) \
138static inline void out##bwl##_local(unsigned type value, int port) \
139{ \
140 asm volatile("out" #bwl " %" #bw "0, %w1" \
141 : : "a"(value), "Nd"(port)); \
142} \
143 \
144static inline unsigned type in##bwl##_local(int port) \
145{ \
146 unsigned type value; \
147 asm volatile("in" #bwl " %w1, %" #bw "0" \
148 : "=a"(value) : "Nd"(port)); \
149 return value; \
150} \
151 \
152static inline void out##bwl##_local_p(unsigned type value, int port) \
153{ \
154 out##bwl##_local(value, port); \
155 slow_down_io(); \
156} \
157 \
158static inline unsigned type in##bwl##_local_p(int port) \
159{ \
160 unsigned type value = in##bwl##_local(port); \
161 slow_down_io(); \
162 return value; \
163} \
164 \
165__BUILDIO(bwl, bw, type) \
166 \
167static inline void out##bwl##_p(unsigned type value, int port) \
168{ \
169 out##bwl(value, port); \
170 slow_down_io(); \
171} \
172 \
173static inline unsigned type in##bwl##_p(int port) \
174{ \
175 unsigned type value = in##bwl(port); \
176 slow_down_io(); \
177 return value; \
178} \
179 \
180static inline void outs##bwl(int port, const void *addr, unsigned long count) \
181{ \
182 asm volatile("rep; outs" #bwl \
183 : "+S"(addr), "+c"(count) : "d"(port)); \
184} \
185 \
186static inline void ins##bwl(int port, void *addr, unsigned long count) \
187{ \
188 asm volatile("rep; ins" #bwl \
189 : "+D"(addr), "+c"(count) : "d"(port)); \
190}
191
192BUILDIO(b, b, char)
193BUILDIO(w, w, short)
194BUILDIO(l, , int)
195
196#endif /* _ASM_X86_IO_32_H */
diff --git a/arch/x86/include/asm/io_64.h b/arch/x86/include/asm/io_64.h
deleted file mode 100644
index 244067893af4..000000000000
--- a/arch/x86/include/asm/io_64.h
+++ /dev/null
@@ -1,181 +0,0 @@
1#ifndef _ASM_X86_IO_64_H
2#define _ASM_X86_IO_64_H
3
4
5/*
6 * This file contains the definitions for the x86 IO instructions
7 * inb/inw/inl/outb/outw/outl and the "string versions" of the same
8 * (insb/insw/insl/outsb/outsw/outsl). You can also use "pausing"
9 * versions of the single-IO instructions (inb_p/inw_p/..).
10 *
11 * This file is not meant to be obfuscating: it's just complicated
12 * to (a) handle it all in a way that makes gcc able to optimize it
13 * as well as possible and (b) trying to avoid writing the same thing
14 * over and over again with slight variations and possibly making a
15 * mistake somewhere.
16 */
17
18/*
19 * Thanks to James van Artsdalen for a better timing-fix than
20 * the two short jumps: using outb's to a nonexistent port seems
21 * to guarantee better timings even on fast machines.
22 *
23 * On the other hand, I'd like to be sure of a non-existent port:
24 * I feel a bit unsafe about using 0x80 (should be safe, though)
25 *
26 * Linus
27 */
28
29 /*
30 * Bit simplified and optimized by Jan Hubicka
31 * Support of BIGMEM added by Gerhard Wichert, Siemens AG, July 1999.
32 *
33 * isa_memset_io, isa_memcpy_fromio, isa_memcpy_toio added,
34 * isa_read[wl] and isa_write[wl] fixed
35 * - Arnaldo Carvalho de Melo <acme@conectiva.com.br>
36 */
37
38extern void native_io_delay(void);
39
40extern int io_delay_type;
41extern void io_delay_init(void);
42
43#if defined(CONFIG_PARAVIRT)
44#include <asm/paravirt.h>
45#else
46
47static inline void slow_down_io(void)
48{
49 native_io_delay();
50#ifdef REALLY_SLOW_IO
51 native_io_delay();
52 native_io_delay();
53 native_io_delay();
54#endif
55}
56#endif
57
58/*
59 * Talk about misusing macros..
60 */
61#define __OUT1(s, x) \
62static inline void out##s(unsigned x value, unsigned short port) {
63
64#define __OUT2(s, s1, s2) \
65asm volatile ("out" #s " %" s1 "0,%" s2 "1"
66
67#ifndef REALLY_SLOW_IO
68#define REALLY_SLOW_IO
69#define UNSET_REALLY_SLOW_IO
70#endif
71
72#define __OUT(s, s1, x) \
73 __OUT1(s, x) __OUT2(s, s1, "w") : : "a" (value), "Nd" (port)); \
74 } \
75 __OUT1(s##_p, x) __OUT2(s, s1, "w") : : "a" (value), "Nd" (port)); \
76 slow_down_io(); \
77}
78
79#define __IN1(s) \
80static inline RETURN_TYPE in##s(unsigned short port) \
81{ \
82 RETURN_TYPE _v;
83
84#define __IN2(s, s1, s2) \
85 asm volatile ("in" #s " %" s2 "1,%" s1 "0"
86
87#define __IN(s, s1, i...) \
88 __IN1(s) __IN2(s, s1, "w") : "=a" (_v) : "Nd" (port), ##i); \
89 return _v; \
90 } \
91 __IN1(s##_p) __IN2(s, s1, "w") : "=a" (_v) : "Nd" (port), ##i); \
92 slow_down_io(); \
93 return _v; }
94
95#ifdef UNSET_REALLY_SLOW_IO
96#undef REALLY_SLOW_IO
97#endif
98
99#define __INS(s) \
100static inline void ins##s(unsigned short port, void *addr, \
101 unsigned long count) \
102{ \
103 asm volatile ("rep ; ins" #s \
104 : "=D" (addr), "=c" (count) \
105 : "d" (port), "0" (addr), "1" (count)); \
106}
107
108#define __OUTS(s) \
109static inline void outs##s(unsigned short port, const void *addr, \
110 unsigned long count) \
111{ \
112 asm volatile ("rep ; outs" #s \
113 : "=S" (addr), "=c" (count) \
114 : "d" (port), "0" (addr), "1" (count)); \
115}
116
117#define RETURN_TYPE unsigned char
118__IN(b, "")
119#undef RETURN_TYPE
120#define RETURN_TYPE unsigned short
121__IN(w, "")
122#undef RETURN_TYPE
123#define RETURN_TYPE unsigned int
124__IN(l, "")
125#undef RETURN_TYPE
126
127__OUT(b, "b", char)
128__OUT(w, "w", short)
129__OUT(l, , int)
130
131__INS(b)
132__INS(w)
133__INS(l)
134
135__OUTS(b)
136__OUTS(w)
137__OUTS(l)
138
139#if defined(__KERNEL__) && defined(__x86_64__)
140
141#include <linux/vmalloc.h>
142
143#include <asm-generic/iomap.h>
144
145void __memcpy_fromio(void *, unsigned long, unsigned);
146void __memcpy_toio(unsigned long, const void *, unsigned);
147
148static inline void memcpy_fromio(void *to, const volatile void __iomem *from,
149 unsigned len)
150{
151 __memcpy_fromio(to, (unsigned long)from, len);
152}
153
154static inline void memcpy_toio(volatile void __iomem *to, const void *from,
155 unsigned len)
156{
157 __memcpy_toio((unsigned long)to, from, len);
158}
159
160void memset_io(volatile void __iomem *a, int b, size_t c);
161
162/*
163 * ISA space is 'always mapped' on a typical x86 system, no need to
164 * explicitly ioremap() it. The fact that the ISA IO space is mapped
165 * to PAGE_OFFSET is pure coincidence - it does not mean ISA values
166 * are physical addresses. The following constant pointer can be
167 * used as the IO-area pointer (it can be iounmapped as well, so the
168 * analogy with PCI is quite large):
169 */
170#define __ISA_IO_base ((char __iomem *)(PAGE_OFFSET))
171
172#define flush_write_buffers()
173
174/*
175 * Convert a virtual cached pointer to an uncached pointer
176 */
177#define xlate_dev_kmem_ptr(p) p
178
179#endif /* __KERNEL__ */
180
181#endif /* _ASM_X86_IO_64_H */
diff --git a/arch/x86/include/asm/numaq.h b/arch/x86/include/asm/numaq.h
index 9f0a5f5d29ec..13370b95ea94 100644
--- a/arch/x86/include/asm/numaq.h
+++ b/arch/x86/include/asm/numaq.h
@@ -33,6 +33,10 @@ extern int get_memcfg_numaq(void);
33 33
34extern void *xquad_portio; 34extern void *xquad_portio;
35 35
36#define XQUAD_PORTIO_BASE 0xfe400000
37#define XQUAD_PORTIO_QUAD 0x40000 /* 256k per quad. */
38#define XQUAD_PORT_ADDR(port, quad) (xquad_portio + (XQUAD_PORTIO_QUAD*quad) + port)
39
36/* 40/*
37 * SYS_CFG_DATA_PRIV_ADDR, struct eachquadmem, and struct sys_cfg_data are the 41 * SYS_CFG_DATA_PRIV_ADDR, struct eachquadmem, and struct sys_cfg_data are the
38 */ 42 */
diff --git a/arch/x86/lib/Makefile b/arch/x86/lib/Makefile
index d85e0e438b58..710cc1405866 100644
--- a/arch/x86/lib/Makefile
+++ b/arch/x86/lib/Makefile
@@ -34,7 +34,7 @@ ifneq ($(CONFIG_X86_CMPXCHG64),y)
34endif 34endif
35 lib-$(CONFIG_X86_USE_3DNOW) += mmx_32.o 35 lib-$(CONFIG_X86_USE_3DNOW) += mmx_32.o
36else 36else
37 obj-y += io_64.o iomap_copy_64.o 37 obj-y += iomap_copy_64.o
38 lib-y += csum-partial_64.o csum-copy_64.o csum-wrappers_64.o 38 lib-y += csum-partial_64.o csum-copy_64.o csum-wrappers_64.o
39 lib-y += thunk_64.o clear_page_64.o copy_page_64.o 39 lib-y += thunk_64.o clear_page_64.o copy_page_64.o
40 lib-y += memmove_64.o memset_64.o 40 lib-y += memmove_64.o memset_64.o
diff --git a/arch/x86/lib/io_64.c b/arch/x86/lib/io_64.c
deleted file mode 100644
index 3f1eb59b5f08..000000000000
--- a/arch/x86/lib/io_64.c
+++ /dev/null
@@ -1,25 +0,0 @@
1#include <linux/string.h>
2#include <linux/module.h>
3#include <asm/io.h>
4
5void __memcpy_toio(unsigned long dst, const void *src, unsigned len)
6{
7 __inline_memcpy((void *)dst, src, len);
8}
9EXPORT_SYMBOL(__memcpy_toio);
10
11void __memcpy_fromio(void *dst, unsigned long src, unsigned len)
12{
13 __inline_memcpy(dst, (const void *)src, len);
14}
15EXPORT_SYMBOL(__memcpy_fromio);
16
17void memset_io(volatile void __iomem *a, int b, size_t c)
18{
19 /*
20 * TODO: memset can mangle the IO patterns quite a bit.
21 * perhaps it would be better to use a dumb one:
22 */
23 memset((void *)a, b, c);
24}
25EXPORT_SYMBOL(memset_io);
diff --git a/arch/x86/pci/numaq_32.c b/arch/x86/pci/numaq_32.c
index 8eb295e116f6..8884a1c1ada6 100644
--- a/arch/x86/pci/numaq_32.c
+++ b/arch/x86/pci/numaq_32.c
@@ -8,9 +8,7 @@
8#include <asm/apic.h> 8#include <asm/apic.h>
9#include <asm/mpspec.h> 9#include <asm/mpspec.h>
10#include <asm/pci_x86.h> 10#include <asm/pci_x86.h>
11 11#include <asm/numaq.h>
12#define XQUAD_PORTIO_BASE 0xfe400000
13#define XQUAD_PORTIO_QUAD 0x40000 /* 256k per quad. */
14 12
15#define BUS2QUAD(global) (mp_bus_id_to_node[global]) 13#define BUS2QUAD(global) (mp_bus_id_to_node[global])
16 14
@@ -18,8 +16,6 @@
18 16
19#define QUADLOCAL2BUS(quad,local) (quad_local_to_mp_bus_id[quad][local]) 17#define QUADLOCAL2BUS(quad,local) (quad_local_to_mp_bus_id[quad][local])
20 18
21#define XQUAD_PORT_ADDR(port, quad) (xquad_portio + (XQUAD_PORTIO_QUAD*quad) + port)
22
23#define PCI_CONF1_MQ_ADDRESS(bus, devfn, reg) \ 19#define PCI_CONF1_MQ_ADDRESS(bus, devfn, reg) \
24 (0x80000000 | (BUS2LOCAL(bus) << 16) | (devfn << 8) | (reg & ~3)) 20 (0x80000000 | (BUS2LOCAL(bus) << 16) | (devfn << 8) | (reg & ~3))
25 21
generated by cgit v1.2.2 (git 2.25.0) at 2025-10-24 19:36:11 -0400