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Kirill Smelkov
linux
Commits
264b8458
Commit
264b8458
authored
Aug 06, 2003
by
Richard Henderson
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Plain Diff
[ALPHA] IRQ updates to match x86 changes.
From Jay Estabrook <Jay.Estabrook@compaq.com>.
parent
12a11c1b
Changes
1
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1 changed file
with
14 additions
and
9 deletions
+14
-9
arch/alpha/kernel/irq.c
arch/alpha/kernel/irq.c
+14
-9
No files found.
arch/alpha/kernel/irq.c
View file @
264b8458
...
...
@@ -167,6 +167,9 @@ setup_irq(unsigned int irq, struct irqaction * new)
unsigned
long
flags
;
irq_desc_t
*
desc
=
irq_desc
+
irq
;
if
(
desc
->
handler
==
&
no_irq_type
)
return
-
ENOSYS
;
/*
* Some drivers like serial.c use request_irq() heavily,
* so we have to be careful not to interfere with a
...
...
@@ -208,7 +211,8 @@ setup_irq(unsigned int irq, struct irqaction * new)
if
(
!
shared
)
{
desc
->
depth
=
0
;
desc
->
status
&=
~
IRQ_DISABLED
;
desc
->
status
&=
~
(
IRQ_DISABLED
|
IRQ_AUTODETECT
|
IRQ_WAITING
|
IRQ_INPROGRESS
);
desc
->
handler
->
startup
(
irq
);
}
spin_unlock_irqrestore
(
&
desc
->
lock
,
flags
);
...
...
@@ -353,12 +357,10 @@ prof_cpu_mask_write_proc(struct file *file, const char *buffer,
static
void
register_irq_proc
(
unsigned
int
irq
)
{
#ifdef CONFIG_SMP
struct
proc_dir_entry
*
entry
;
#endif
char
name
[
MAX_NAMELEN
];
if
(
!
root_irq_dir
||
(
irq_desc
[
irq
].
handler
==
&
no_irq_type
))
if
(
!
root_irq_dir
||
(
irq_desc
[
irq
].
handler
==
&
no_irq_type
)
||
irq_dir
[
irq
])
return
;
memset
(
name
,
0
,
MAX_NAMELEN
);
...
...
@@ -369,13 +371,16 @@ register_irq_proc (unsigned int irq)
#ifdef CONFIG_SMP
if
(
irq_desc
[
irq
].
handler
->
set_affinity
)
{
struct
proc_dir_entry
*
entry
;
/* create /proc/irq/1234/smp_affinity */
entry
=
create_proc_entry
(
"smp_affinity"
,
0600
,
irq_dir
[
irq
]);
entry
->
nlink
=
1
;
entry
->
data
=
(
void
*
)(
long
)
irq
;
entry
->
read_proc
=
irq_affinity_read_proc
;
entry
->
write_proc
=
irq_affinity_write_proc
;
if
(
entry
)
{
entry
->
nlink
=
1
;
entry
->
data
=
(
void
*
)(
long
)
irq
;
entry
->
read_proc
=
irq_affinity_read_proc
;
entry
->
write_proc
=
irq_affinity_write_proc
;
}
smp_affinity_entry
[
irq
]
=
entry
;
}
...
...
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