Skip to content
Projects
Groups
Snippets
Help
Loading...
Help
Support
Keyboard shortcuts
?
Submit feedback
Contribute to GitLab
Sign in / Register
Toggle navigation
L
linux
Project overview
Project overview
Details
Activity
Releases
Repository
Repository
Files
Commits
Branches
Tags
Contributors
Graph
Compare
Issues
0
Issues
0
List
Boards
Labels
Milestones
Merge Requests
0
Merge Requests
0
Analytics
Analytics
Repository
Value Stream
Wiki
Wiki
Snippets
Snippets
Members
Members
Collapse sidebar
Close sidebar
Activity
Graph
Create a new issue
Commits
Issue Boards
Open sidebar
Kirill Smelkov
linux
Commits
b59655c4
Commit
b59655c4
authored
Oct 01, 2002
by
Jeff Garzik
Browse files
Options
Browse Files
Download
Plain Diff
Merge mandrakesoft.com:/home/jgarzik/repo/linus-2.5
into mandrakesoft.com:/home/jgarzik/repo/net-drivers-2.5
parents
4fed27d5
45ecad2e
Changes
5
Show whitespace changes
Inline
Side-by-side
Showing
5 changed files
with
107 additions
and
32 deletions
+107
-32
drivers/pcmcia/cistpl.c
drivers/pcmcia/cistpl.c
+2
-2
drivers/pcmcia/cs.c
drivers/pcmcia/cs.c
+4
-4
drivers/pcmcia/cs_internal.h
drivers/pcmcia/cs_internal.h
+3
-3
drivers/pcmcia/rsrc_mgr.c
drivers/pcmcia/rsrc_mgr.c
+97
-22
mm/mmap.c
mm/mmap.c
+1
-1
No files found.
drivers/pcmcia/cistpl.c
View file @
b59655c4
...
...
@@ -264,11 +264,11 @@ static int setup_cis_mem(socket_info_t *s)
(
s
->
cis_mem
.
sys_start
==
0
))
{
int
low
=
!
(
s
->
cap
.
features
&
SS_CAP_PAGE_REGS
);
vs
=
s
;
validate_mem
(
cis_readable
,
checksum_match
,
low
);
validate_mem
(
cis_readable
,
checksum_match
,
low
,
s
);
s
->
cis_mem
.
sys_start
=
0
;
vs
=
NULL
;
if
(
find_mem_region
(
&
s
->
cis_mem
.
sys_start
,
s
->
cap
.
map_size
,
s
->
cap
.
map_size
,
low
,
"card services"
))
{
s
->
cap
.
map_size
,
low
,
"card services"
,
s
))
{
printk
(
KERN_NOTICE
"cs: unable to map card memory!
\n
"
);
return
CS_OUT_OF_RESOURCE
;
}
...
...
drivers/pcmcia/cs.c
View file @
b59655c4
...
...
@@ -809,7 +809,7 @@ static int alloc_io_space(socket_info_t *s, u_int attr, ioaddr_t *base,
return
1
;
for
(
i
=
0
;
i
<
MAX_IO_WIN
;
i
++
)
{
if
(
s
->
io
[
i
].
NumPorts
==
0
)
{
if
(
find_io_region
(
base
,
num
,
align
,
name
)
==
0
)
{
if
(
find_io_region
(
base
,
num
,
align
,
name
,
s
)
==
0
)
{
s
->
io
[
i
].
Attributes
=
attr
;
s
->
io
[
i
].
BasePort
=
*
base
;
s
->
io
[
i
].
NumPorts
=
s
->
io
[
i
].
InUse
=
num
;
...
...
@@ -821,7 +821,7 @@ static int alloc_io_space(socket_info_t *s, u_int attr, ioaddr_t *base,
/* Try to extend top of window */
try
=
s
->
io
[
i
].
BasePort
+
s
->
io
[
i
].
NumPorts
;
if
((
*
base
==
0
)
||
(
*
base
==
try
))
if
(
find_io_region
(
&
try
,
num
,
0
,
name
)
==
0
)
{
if
(
find_io_region
(
&
try
,
num
,
0
,
name
,
s
)
==
0
)
{
*
base
=
try
;
s
->
io
[
i
].
NumPorts
+=
num
;
s
->
io
[
i
].
InUse
+=
num
;
...
...
@@ -830,7 +830,7 @@ static int alloc_io_space(socket_info_t *s, u_int attr, ioaddr_t *base,
/* Try to extend bottom of window */
try
=
s
->
io
[
i
].
BasePort
-
num
;
if
((
*
base
==
0
)
||
(
*
base
==
try
))
if
(
find_io_region
(
&
try
,
num
,
0
,
name
)
==
0
)
{
if
(
find_io_region
(
&
try
,
num
,
0
,
name
,
s
)
==
0
)
{
s
->
io
[
i
].
BasePort
=
*
base
=
try
;
s
->
io
[
i
].
NumPorts
+=
num
;
s
->
io
[
i
].
InUse
+=
num
;
...
...
@@ -1974,7 +1974,7 @@ int pcmcia_request_window(client_handle_t *handle, win_req_t *req, window_handle
find_mem_region
(
&
win
->
base
,
win
->
size
,
align
,
(
req
->
Attributes
&
WIN_MAP_BELOW_1MB
)
||
!
(
s
->
cap
.
features
&
SS_CAP_PAGE_REGS
),
(
*
handle
)
->
dev_info
))
(
*
handle
)
->
dev_info
,
s
))
return
CS_IN_USE
;
(
*
handle
)
->
state
|=
CLIENT_WIN_REQ
(
w
);
...
...
drivers/pcmcia/cs_internal.h
View file @
b59655c4
...
...
@@ -238,11 +238,11 @@ int copy_memory(memory_handle_t handle, copy_op_t *req);
/* In rsrc_mgr */
void
validate_mem
(
int
(
*
is_valid
)(
u_long
),
int
(
*
do_cksum
)(
u_long
),
int
force_low
);
int
force_low
,
socket_info_t
*
s
);
int
find_io_region
(
ioaddr_t
*
base
,
ioaddr_t
num
,
ioaddr_t
align
,
char
*
name
);
char
*
name
,
socket_info_t
*
s
);
int
find_mem_region
(
u_long
*
base
,
u_long
num
,
u_long
align
,
int
force_low
,
char
*
name
);
int
force_low
,
char
*
name
,
socket_info_t
*
s
);
int
try_irq
(
u_int
Attributes
,
int
irq
,
int
specific
);
void
undo_irq
(
u_int
Attributes
,
int
irq
);
int
adjust_resource_info
(
client_handle_t
handle
,
adjust_t
*
adj
);
...
...
drivers/pcmcia/rsrc_mgr.c
View file @
b59655c4
...
...
@@ -44,6 +44,7 @@
#include <linux/ioport.h>
#include <linux/timer.h>
#include <linux/proc_fs.h>
#include <linux/pci.h>
#include <asm/irq.h>
#include <asm/io.h>
...
...
@@ -103,8 +104,82 @@ static irq_info_t irq_table[NR_IRQS] = { { 0, 0, 0 }, /* etc */ };
======================================================================*/
#define check_io_resource(b,n) check_resource(&ioport_resource, (b), (n))
#define check_mem_resource(b,n) check_resource(&iomem_resource, (b), (n))
static
struct
resource
*
resource_parent
(
unsigned
long
b
,
unsigned
long
n
,
int
flags
,
struct
pci_dev
*
dev
)
{
#ifdef CONFIG_PCI
struct
resource
res
,
*
pr
;
if
(
dev
!=
NULL
)
{
res
.
start
=
b
;
res
.
end
=
b
+
n
-
1
;
res
.
flags
=
flags
;
pr
=
pci_find_parent_resource
(
dev
,
&
res
);
if
(
pr
)
return
pr
;
}
#endif
/* CONFIG_PCI */
if
(
flags
&
IORESOURCE_MEM
)
return
&
iomem_resource
;
return
&
ioport_resource
;
}
static
inline
int
check_io_resource
(
unsigned
long
b
,
unsigned
long
n
,
struct
pci_dev
*
dev
)
{
return
check_resource
(
resource_parent
(
b
,
n
,
IORESOURCE_IO
,
dev
),
b
,
n
);
}
static
inline
int
check_mem_resource
(
unsigned
long
b
,
unsigned
long
n
,
struct
pci_dev
*
dev
)
{
return
check_resource
(
resource_parent
(
b
,
n
,
IORESOURCE_MEM
,
dev
),
b
,
n
);
}
static
struct
resource
*
make_resource
(
unsigned
long
b
,
unsigned
long
n
,
int
flags
,
char
*
name
)
{
struct
resource
*
res
=
kmalloc
(
sizeof
(
*
res
),
GFP_KERNEL
);
if
(
res
)
{
memset
(
res
,
0
,
sizeof
(
*
res
));
res
->
name
=
name
;
res
->
start
=
b
;
res
->
end
=
b
+
n
-
1
;
res
->
flags
=
flags
|
IORESOURCE_BUSY
;
}
return
res
;
}
static
int
request_io_resource
(
unsigned
long
b
,
unsigned
long
n
,
char
*
name
,
struct
pci_dev
*
dev
)
{
struct
resource
*
res
=
make_resource
(
b
,
n
,
IORESOURCE_IO
,
name
);
struct
resource
*
pr
=
resource_parent
(
b
,
n
,
IORESOURCE_IO
,
dev
);
int
err
=
-
ENOMEM
;
if
(
res
)
{
err
=
request_resource
(
pr
,
res
);
if
(
err
)
kfree
(
res
);
}
return
err
;
}
static
int
request_mem_resource
(
unsigned
long
b
,
unsigned
long
n
,
char
*
name
,
struct
pci_dev
*
dev
)
{
struct
resource
*
res
=
make_resource
(
b
,
n
,
IORESOURCE_MEM
,
name
);
struct
resource
*
pr
=
resource_parent
(
b
,
n
,
IORESOURCE_MEM
,
dev
);
int
err
=
-
ENOMEM
;
if
(
res
)
{
err
=
request_resource
(
pr
,
res
);
if
(
err
)
kfree
(
res
);
}
return
err
;
}
/*======================================================================
...
...
@@ -194,7 +269,7 @@ static void do_io_probe(ioaddr_t base, ioaddr_t num)
}
memset
(
b
,
0
,
256
);
for
(
i
=
base
,
most
=
0
;
i
<
base
+
num
;
i
+=
8
)
{
if
(
check_io_resource
(
i
,
8
))
if
(
check_io_resource
(
i
,
8
,
NULL
))
continue
;
hole
=
inb
(
i
);
for
(
j
=
1
;
j
<
8
;
j
++
)
...
...
@@ -207,7 +282,7 @@ static void do_io_probe(ioaddr_t base, ioaddr_t num)
bad
=
any
=
0
;
for
(
i
=
base
;
i
<
base
+
num
;
i
+=
8
)
{
if
(
check_io_resource
(
i
,
8
))
if
(
check_io_resource
(
i
,
8
,
NULL
))
continue
;
for
(
j
=
0
;
j
<
8
;
j
++
)
if
(
inb
(
i
+
j
)
!=
most
)
break
;
...
...
@@ -247,7 +322,8 @@ static void do_io_probe(ioaddr_t base, ioaddr_t num)
======================================================================*/
static
int
do_mem_probe
(
u_long
base
,
u_long
num
,
int
(
*
is_valid
)(
u_long
),
int
(
*
do_cksum
)(
u_long
))
int
(
*
is_valid
)(
u_long
),
int
(
*
do_cksum
)(
u_long
),
socket_info_t
*
s
)
{
u_long
i
,
j
,
bad
,
fail
,
step
;
...
...
@@ -258,13 +334,14 @@ static int do_mem_probe(u_long base, u_long num,
for
(
i
=
j
=
base
;
i
<
base
+
num
;
i
=
j
+
step
)
{
if
(
!
fail
)
{
for
(
j
=
i
;
j
<
base
+
num
;
j
+=
step
)
if
((
check_mem_resource
(
j
,
step
)
==
0
)
&&
is_valid
(
j
))
if
((
check_mem_resource
(
j
,
step
,
s
->
cap
.
cb_dev
)
==
0
)
&&
is_valid
(
j
))
break
;
fail
=
((
i
==
base
)
&&
(
j
==
base
+
num
));
}
if
(
fail
)
{
for
(
j
=
i
;
j
<
base
+
num
;
j
+=
2
*
step
)
if
((
check_mem_resource
(
j
,
2
*
step
)
==
0
)
&&
if
((
check_mem_resource
(
j
,
2
*
step
,
s
->
cap
.
cb_dev
)
==
0
)
&&
do_cksum
(
j
)
&&
do_cksum
(
j
+
step
))
break
;
}
...
...
@@ -283,12 +360,12 @@ static int do_mem_probe(u_long base, u_long num,
static
u_long
inv_probe
(
int
(
*
is_valid
)(
u_long
),
int
(
*
do_cksum
)(
u_long
),
resource_map_t
*
m
)
resource_map_t
*
m
,
socket_info_t
*
s
)
{
u_long
ok
;
if
(
m
==
&
mem_db
)
return
0
;
ok
=
inv_probe
(
is_valid
,
do_cksum
,
m
->
next
);
ok
=
inv_probe
(
is_valid
,
do_cksum
,
m
->
next
,
s
);
if
(
ok
)
{
if
(
m
->
base
>=
0x100000
)
sub_interval
(
&
mem_db
,
m
->
base
,
m
->
num
);
...
...
@@ -296,11 +373,11 @@ static u_long inv_probe(int (*is_valid)(u_long),
}
if
(
m
->
base
<
0x100000
)
return
0
;
return
do_mem_probe
(
m
->
base
,
m
->
num
,
is_valid
,
do_cksum
);
return
do_mem_probe
(
m
->
base
,
m
->
num
,
is_valid
,
do_cksum
,
s
);
}
void
validate_mem
(
int
(
*
is_valid
)(
u_long
),
int
(
*
do_cksum
)(
u_long
),
int
force_low
)
int
force_low
,
socket_info_t
*
s
)
{
resource_map_t
*
m
,
*
n
;
static
u_char
order
[]
=
{
0xd0
,
0xe0
,
0xc0
,
0xf0
};
...
...
@@ -310,7 +387,7 @@ void validate_mem(int (*is_valid)(u_long), int (*do_cksum)(u_long),
if
(
!
probe_mem
)
return
;
/* We do up to four passes through the list */
if
(
!
force_low
)
{
if
(
hi
++
||
(
inv_probe
(
is_valid
,
do_cksum
,
mem_db
.
next
)
>
0
))
if
(
hi
++
||
(
inv_probe
(
is_valid
,
do_cksum
,
mem_db
.
next
,
s
)
>
0
))
return
;
printk
(
KERN_NOTICE
"cs: warning: no high memory space "
"available!
\n
"
);
...
...
@@ -321,7 +398,7 @@ void validate_mem(int (*is_valid)(u_long), int (*do_cksum)(u_long),
/* Only probe < 1 MB */
if
(
m
->
base
>=
0x100000
)
continue
;
if
((
m
->
base
|
m
->
num
)
&
0xffff
)
{
ok
+=
do_mem_probe
(
m
->
base
,
m
->
num
,
is_valid
,
do_cksum
);
ok
+=
do_mem_probe
(
m
->
base
,
m
->
num
,
is_valid
,
do_cksum
,
s
);
continue
;
}
/* Special probe for 64K-aligned block */
...
...
@@ -331,7 +408,7 @@ void validate_mem(int (*is_valid)(u_long), int (*do_cksum)(u_long),
if
(
ok
>=
mem_limit
)
sub_interval
(
&
mem_db
,
b
,
0x10000
);
else
ok
+=
do_mem_probe
(
b
,
0x10000
,
is_valid
,
do_cksum
);
ok
+=
do_mem_probe
(
b
,
0x10000
,
is_valid
,
do_cksum
,
s
);
}
}
}
...
...
@@ -340,7 +417,7 @@ void validate_mem(int (*is_valid)(u_long), int (*do_cksum)(u_long),
#else
/* CONFIG_ISA */
void
validate_mem
(
int
(
*
is_valid
)(
u_long
),
int
(
*
do_cksum
)(
u_long
),
int
force_low
)
int
force_low
,
socket_info_t
*
s
)
{
resource_map_t
*
m
;
static
int
done
=
0
;
...
...
@@ -348,7 +425,7 @@ void validate_mem(int (*is_valid)(u_long), int (*do_cksum)(u_long),
if
(
!
probe_mem
||
done
++
)
return
;
for
(
m
=
mem_db
.
next
;
m
!=
&
mem_db
;
m
=
m
->
next
)
if
(
do_mem_probe
(
m
->
base
,
m
->
num
,
is_valid
,
do_cksum
))
if
(
do_mem_probe
(
m
->
base
,
m
->
num
,
is_valid
,
do_cksum
,
s
))
return
;
}
...
...
@@ -368,7 +445,7 @@ void validate_mem(int (*is_valid)(u_long), int (*do_cksum)(u_long),
======================================================================*/
int
find_io_region
(
ioaddr_t
*
base
,
ioaddr_t
num
,
ioaddr_t
align
,
char
*
name
)
char
*
name
,
socket_info_t
*
s
)
{
ioaddr_t
try
;
resource_map_t
*
m
;
...
...
@@ -378,9 +455,8 @@ int find_io_region(ioaddr_t *base, ioaddr_t num, ioaddr_t align,
for
(
try
=
(
try
>=
m
->
base
)
?
try
:
try
+
align
;
(
try
>=
m
->
base
)
&&
(
try
+
num
<=
m
->
base
+
m
->
num
);
try
+=
align
)
{
if
(
check_io_resource
(
try
,
num
)
==
0
)
{
if
(
request_io_resource
(
try
,
num
,
name
,
s
->
cap
.
cb_dev
)
==
0
)
{
*
base
=
try
;
request_region
(
try
,
num
,
name
);
return
0
;
}
if
(
!
align
)
break
;
...
...
@@ -390,7 +466,7 @@ int find_io_region(ioaddr_t *base, ioaddr_t num, ioaddr_t align,
}
int
find_mem_region
(
u_long
*
base
,
u_long
num
,
u_long
align
,
int
force_low
,
char
*
name
)
int
force_low
,
char
*
name
,
socket_info_t
*
s
)
{
u_long
try
;
resource_map_t
*
m
;
...
...
@@ -403,8 +479,7 @@ int find_mem_region(u_long *base, u_long num, u_long align,
for
(
try
=
(
try
>=
m
->
base
)
?
try
:
try
+
align
;
(
try
>=
m
->
base
)
&&
(
try
+
num
<=
m
->
base
+
m
->
num
);
try
+=
align
)
{
if
(
check_mem_resource
(
try
,
num
)
==
0
)
{
request_mem_region
(
try
,
num
,
name
);
if
(
request_mem_resource
(
try
,
num
,
name
,
s
->
cap
.
cb_dev
)
==
0
)
{
*
base
=
try
;
return
0
;
}
...
...
mm/mmap.c
View file @
b59655c4
...
...
@@ -1058,7 +1058,7 @@ int split_vma(struct mm_struct * mm, struct vm_area_struct * vma,
if
(
new_below
)
{
new
->
vm_end
=
addr
;
vma
->
vm_start
=
addr
;
vma
->
vm_pgoff
+=
((
addr
-
vma
->
vm_start
)
>>
PAGE_SHIFT
);
vma
->
vm_pgoff
+=
((
addr
-
new
->
vm_start
)
>>
PAGE_SHIFT
);
}
else
{
vma
->
vm_end
=
addr
;
new
->
vm_start
=
addr
;
...
...
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment