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Kirill Smelkov
linux
Commits
6ea2645f
Commit
6ea2645f
authored
Apr 07, 2003
by
Andries E. Brouwer
Committed by
Linus Torvalds
Apr 07, 2003
Browse files
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Plain Diff
[PATCH] paride fix: make timeouts unsigned long
parent
6ebc7946
Changes
2
Show whitespace changes
Inline
Side-by-side
Showing
2 changed files
with
53 additions
and
46 deletions
+53
-46
drivers/block/paride/pg.c
drivers/block/paride/pg.c
+51
-44
drivers/block/paride/pseudo.h
drivers/block/paride/pseudo.h
+2
-2
No files found.
drivers/block/paride/pg.c
View file @
6ea2645f
...
...
@@ -233,14 +233,14 @@ struct pg_unit {
int
busy
;
/* write done, read expected */
int
start
;
/* jiffies at command start */
int
dlen
;
/* transfer size requested */
int
timeout
;
/* timeout requested */
unsigned
long
timeout
;
/* timeout requested */
int
status
;
/* last sense key */
int
drive
;
/* drive */
unsigned
long
access
;
/* count of active opens ... */
int
present
;
/* device present ? */
char
*
bufptr
;
char
name
[
PG_NAMELEN
];
/* pg0, pg1, ... */
};
};
struct
pg_unit
pg
[
PG_UNITS
];
...
...
@@ -292,43 +292,47 @@ static void pg_sleep( int cs )
schedule_timeout
(
cs
);
}
static
int
pg_wait
(
int
unit
,
int
go
,
int
stop
,
int
tmo
,
char
*
msg
)
{
int
j
,
r
,
e
,
s
,
p
;
static
int
pg_wait
(
int
unit
,
int
go
,
int
stop
,
unsigned
long
tmo
,
char
*
msg
)
{
int
j
,
r
,
e
,
s
,
p
,
to
;
PG
.
status
=
0
;
j
=
0
;
while
((((
r
=
RR
(
1
,
6
))
&
go
)
||
(
stop
&&
(
!
(
r
&
stop
))))
&&
(
time_before
(
jiffies
,
tmo
)))
{
if
(
j
++
<
PG_SPIN
)
udelay
(
PG_SPIN_DEL
);
else
pg_sleep
(
1
);
while
((((
r
=
RR
(
1
,
6
))
&
go
)
||
(
stop
&&
(
!
(
r
&
stop
))))
&&
time_before
(
jiffies
,
tmo
))
{
if
(
j
++
<
PG_SPIN
)
udelay
(
PG_SPIN_DEL
);
else
pg_sleep
(
1
);
}
if
((
r
&
(
STAT_ERR
&
stop
))
||
time_after_eq
(
jiffies
,
tmo
))
{
to
=
time_after_eq
(
jiffies
,
tmo
);
if
((
r
&
(
STAT_ERR
&
stop
))
||
to
)
{
s
=
RR
(
0
,
7
);
e
=
RR
(
0
,
1
);
p
=
RR
(
0
,
2
);
if
(
verbose
>
1
)
printk
(
"%s: %s: stat=0x%x err=0x%x phase=%d%s
\n
"
,
PG
.
name
,
msg
,
s
,
e
,
p
,
time_after_eq
(
jiffies
,
tmo
)
?
" timeout"
:
""
);
if
(
time_after_eq
(
jiffies
,
tmo
))
e
|=
0x100
;
PG
.
name
,
msg
,
s
,
e
,
p
,
to
?
" timeout"
:
""
);
if
(
to
)
e
|=
0x100
;
PG
.
status
=
(
e
>>
4
)
&
0xff
;
return
-
1
;
}
return
0
;
}
static
int
pg_command
(
int
unit
,
char
*
cmd
,
int
dlen
,
int
tmo
)
{
int
k
;
static
int
pg_command
(
int
unit
,
char
*
cmd
,
int
dlen
,
unsigned
long
tmo
)
{
int
k
;
pi_connect
(
PI
);
WR
(
0
,
6
,
DRIVE
);
if
(
pg_wait
(
unit
,
STAT_BUSY
|
STAT_DRQ
,
0
,
tmo
,
"before command"
))
{
if
(
pg_wait
(
unit
,
STAT_BUSY
|
STAT_DRQ
,
0
,
tmo
,
"before command"
))
{
pi_disconnect
(
PI
);
return
-
1
;
}
...
...
@@ -337,7 +341,7 @@ static int pg_command( int unit, char * cmd, int dlen, int tmo )
WR
(
0
,
5
,
dlen
/
256
);
WR
(
0
,
7
,
0xa0
);
/* ATAPI packet command */
if
(
pg_wait
(
unit
,
STAT_BUSY
,
STAT_DRQ
,
tmo
,
"command DRQ"
))
{
if
(
pg_wait
(
unit
,
STAT_BUSY
,
STAT_DRQ
,
tmo
,
"command DRQ"
))
{
pi_disconnect
(
PI
);
return
-
1
;
}
...
...
@@ -358,12 +362,12 @@ static int pg_command( int unit, char * cmd, int dlen, int tmo )
return
0
;
}
static
int
pg_completion
(
int
unit
,
char
*
buf
,
int
tmo
)
{
int
r
,
d
,
n
,
p
;
static
int
pg_completion
(
int
unit
,
char
*
buf
,
unsigned
long
tmo
)
{
int
r
,
d
,
n
,
p
;
r
=
pg_wait
(
unit
,
STAT_BUSY
,
STAT_DRQ
|
STAT_READY
|
STAT_ERR
,
tmo
,
"completion"
);
r
=
pg_wait
(
unit
,
STAT_BUSY
,
STAT_DRQ
|
STAT_READY
|
STAT_ERR
,
tmo
,
"completion"
);
PG
.
dlen
=
0
;
...
...
@@ -371,14 +375,17 @@ static int pg_completion( int unit, char * buf, int tmo)
d
=
(
RR
(
0
,
4
)
+
256
*
RR
(
0
,
5
));
n
=
((
d
+
3
)
&
0xfffc
);
p
=
RR
(
0
,
2
)
&
3
;
if
(
p
==
0
)
pi_write_block
(
PI
,
buf
,
n
);
if
(
p
==
2
)
pi_read_block
(
PI
,
buf
,
n
);
if
(
verbose
>
1
)
printk
(
"%s: %s %d bytes
\n
"
,
PG
.
name
,
p
?
"Read"
:
"Write"
,
n
);
if
(
p
==
0
)
pi_write_block
(
PI
,
buf
,
n
);
if
(
p
==
2
)
pi_read_block
(
PI
,
buf
,
n
);
if
(
verbose
>
1
)
printk
(
"%s: %s %d bytes
\n
"
,
PG
.
name
,
p
?
"Read"
:
"Write"
,
n
);
PG
.
dlen
+=
(
1
-
p
)
*
d
;
buf
+=
d
;
r
=
pg_wait
(
unit
,
STAT_BUSY
,
STAT_DRQ
|
STAT_READY
|
STAT_ERR
,
tmo
,
"completion"
);
r
=
pg_wait
(
unit
,
STAT_BUSY
,
STAT_DRQ
|
STAT_READY
|
STAT_ERR
,
tmo
,
"completion"
);
}
pi_disconnect
(
PI
);
...
...
drivers/block/paride/pseudo.h
View file @
6ea2645f
...
...
@@ -39,7 +39,7 @@ static void ps_tq_int( void *data);
static
void
(
*
ps_continuation
)(
void
);
static
int
(
*
ps_ready
)(
void
);
static
int
ps_timeout
;
static
unsigned
long
ps_timeout
;
static
int
ps_tq_active
=
0
;
static
int
ps_nice
=
0
;
...
...
@@ -70,7 +70,7 @@ static void ps_set_intr(void (*continuation)(void),
spin_unlock_irqrestore
(
&
ps_spinlock
,
flags
);
}
static
void
ps_tq_int
(
void
*
data
)
static
void
ps_tq_int
(
void
*
data
)
{
void
(
*
con
)(
void
);
unsigned
long
flags
;
...
...
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