Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
[SPARC]: Add of_io{remap,unmap}().
Signed-off-by: David S. Miller <davem@davemloft.net>
authored by David S. Miller and committed by David S. Miller 3ca9fab4 95714e12
+17
arch/sparc/kernel/ioport.c
+17
arch/sparc/kernel/ioport.c
···
26
26
*/
27
27
28
28
#include <linux/config.h>
29
+
#include <linux/module.h>
29
30
#include <linux/sched.h>
30
31
#include <linux/kernel.h>
31
32
#include <linux/errno.h>
···
41
40
#include <asm/vaddrs.h>
42
41
#include <asm/oplib.h>
43
42
#include <asm/prom.h>
43
+
#include <asm/of_device.h>
44
44
#include <asm/sbus.h>
45
45
#include <asm/page.h>
46
46
#include <asm/pgalloc.h>
···
144
142
return _sparc_alloc_io(phyres->flags & 0xF,
145
143
phyres->start + offset, size, name);
146
144
}
145
+
146
+
void __iomem *of_ioremap(struct resource *res, unsigned long offset,
147
+
unsigned long size, char *name)
148
+
{
149
+
return _sparc_alloc_io(res->flags & 0xF,
150
+
res->start + offset,
151
+
size, name);
152
+
}
153
+
EXPORT_SYMBOL(of_ioremap);
154
+
155
+
void of_iounmap(void __iomem *base, unsigned long size)
156
+
{
157
+
iounmap(base);
158
+
}
159
+
EXPORT_SYMBOL(of_iounmap);
147
160
148
161
/*
149
162
*/
+17
arch/sparc64/kernel/of_device.c
+17
arch/sparc64/kernel/of_device.c
···
129
129
return error;
130
130
}
131
131
132
+
void __iomem *of_ioremap(struct resource *res, unsigned long offset, unsigned long size, char *name)
133
+
{
134
+
unsigned long ret = res->start + offset;
135
+
136
+
if (!request_region(ret, size, name))
137
+
ret = 0;
138
+
139
+
return (void __iomem *) ret;
140
+
}
141
+
EXPORT_SYMBOL(of_ioremap);
142
+
143
+
void of_iounmap(void __iomem *base, unsigned long size)
144
+
{
145
+
release_region((unsigned long) base, size);
146
+
}
147
+
EXPORT_SYMBOL(of_iounmap);
148
+
132
149
#ifdef CONFIG_PCI
133
150
struct bus_type isa_bus_type = {
134
151
.name = "isa",
+3
include/asm-sparc/of_device.h
+3
include/asm-sparc/of_device.h
···
31
31
};
32
32
#define to_of_device(d) container_of(d, struct of_device, dev)
33
33
34
+
extern void __iomem *of_ioremap(struct resource *res, unsigned long offset, unsigned long size, char *name);
35
+
extern void of_iounmap(void __iomem *base, unsigned long size);
36
+
34
37
extern const struct of_device_id *of_match_device(
35
38
const struct of_device_id *matches, const struct of_device *dev);
36
39
+3
include/asm-sparc64/of_device.h
+3
include/asm-sparc64/of_device.h
···
32
32
};
33
33
#define to_of_device(d) container_of(d, struct of_device, dev)
34
34
35
+
extern void __iomem *of_ioremap(struct resource *res, unsigned long offset, unsigned long size, char *name);
36
+
extern void of_iounmap(void __iomem *base, unsigned long size);
37
+
35
38
extern const struct of_device_id *of_match_device(
36
39
const struct of_device_id *matches, const struct of_device *dev);
37
40