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
2256c13b
Commit
2256c13b
authored
19 years ago
by
David S. Miller
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
[SPARC64]: Probe for power device on ISA bus too.
Signed-off-by:
David S. Miller
<
davem@davemloft.net
>
parent
edb4a353
No related merge requests found
Changes
1
Hide whitespace changes
Inline
Side-by-side
Showing
1 changed file
with
51 additions
and
13 deletions
+51
-13
arch/sparc64/kernel/power.c
arch/sparc64/kernel/power.c
+51
-13
No files found.
arch/sparc64/kernel/power.c
View file @
2256c13b
...
...
@@ -17,6 +17,7 @@
#include <asm/system.h>
#include <asm/ebus.h>
#include <asm/isa.h>
#include <asm/auxio.h>
#include <linux/unistd.h>
...
...
@@ -100,46 +101,83 @@ static int powerd(void *__unused)
return
0
;
}
static
int
__init
has_button_interrupt
(
struct
linux_ebus_device
*
edev
)
static
int
__init
has_button_interrupt
(
unsigned
int
irq
,
int
prom_node
)
{
if
(
edev
->
irqs
[
0
]
==
PCI_IRQ_NONE
)
if
(
irq
==
PCI_IRQ_NONE
)
return
0
;
if
(
!
prom_node_has_property
(
edev
->
prom_node
,
"button"
))
if
(
!
prom_node_has_property
(
prom_node
,
"button"
))
return
0
;
return
1
;
}
void
__init
power_init
(
void
)
static
int
__init
power_probe_ebus
(
struct
resource
**
resp
,
unsigned
int
*
irq_p
,
int
*
prom_node_p
)
{
struct
linux_ebus
*
ebus
;
struct
linux_ebus_device
*
edev
;
for_each_ebus
(
ebus
)
{
for_each_ebusdev
(
edev
,
ebus
)
{
if
(
!
strcmp
(
edev
->
prom_name
,
"power"
))
{
*
resp
=
&
edev
->
resource
[
0
];
*
irq_p
=
edev
->
irqs
[
0
];
*
prom_node_p
=
edev
->
prom_node
;
return
0
;
}
}
}
return
-
ENODEV
;
}
static
int
__init
power_probe_isa
(
struct
resource
**
resp
,
unsigned
int
*
irq_p
,
int
*
prom_node_p
)
{
struct
sparc_isa_bridge
*
isa_bus
;
struct
sparc_isa_device
*
isa_dev
;
for_each_isa
(
isa_bus
)
{
for_each_isadev
(
isa_dev
,
isa_bus
)
{
if
(
!
strcmp
(
isa_dev
->
prom_name
,
"power"
))
{
*
resp
=
&
isa_dev
->
resource
;
*
irq_p
=
isa_dev
->
irq
;
*
prom_node_p
=
isa_dev
->
prom_node
;
return
0
;
}
}
}
return
-
ENODEV
;
}
void
__init
power_init
(
void
)
{
struct
resource
*
res
=
NULL
;
unsigned
int
irq
;
int
prom_node
;
static
int
invoked
;
if
(
invoked
)
return
;
invoked
=
1
;
for_each_ebus
(
ebus
)
{
for_each_ebusdev
(
edev
,
ebus
)
{
if
(
!
strcmp
(
edev
->
prom_name
,
"power"
))
goto
found
;
}
}
if
(
!
power_probe_ebus
(
&
res
,
&
irq
,
&
prom_node
))
goto
found
;
if
(
!
power_probe_isa
(
&
res
,
&
irq
,
&
prom_node
))
goto
found
;
return
;
found:
power_reg
=
ioremap
(
edev
->
resource
[
0
].
start
,
0x4
);
power_reg
=
ioremap
(
res
->
start
,
0x4
);
printk
(
"power: Control reg at %p ... "
,
power_reg
);
poweroff_method
=
machine_halt
;
/* able to use the standard halt */
if
(
has_button_interrupt
(
edev
))
{
if
(
has_button_interrupt
(
irq
,
prom_node
))
{
if
(
kernel_thread
(
powerd
,
NULL
,
CLONE_FS
)
<
0
)
{
printk
(
"Failed to start power daemon.
\n
"
);
return
;
}
printk
(
"powerd running.
\n
"
);
if
(
request_irq
(
edev
->
irqs
[
0
]
,
if
(
request_irq
(
irq
,
power_handler
,
SA_SHIRQ
,
"power"
,
NULL
)
<
0
)
printk
(
"power: Error, cannot register IRQ handler.
\n
"
);
}
else
{
...
...
This diff is collapsed.
Click to expand it.
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