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Kirill Smelkov
linux
Commits
32baba2f
Commit
32baba2f
authored
Feb 27, 2010
by
Ralf Baechle
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MIPS: DEC: Convert KN01 lock to raw spinlock.
Signed-off-by:
Ralf Baechle
<
ralf@linux-mips.org
>
parent
d8d607d5
Changes
1
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arch/mips/dec/kn01-berr.c
arch/mips/dec/kn01-berr.c
+5
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arch/mips/dec/kn01-berr.c
View file @
32baba2f
...
...
@@ -46,7 +46,7 @@
* There is no default value -- it has to be initialized.
*/
u16
cached_kn01_csr
;
static
DEFINE_SPINLOCK
(
kn01_lock
);
static
DEFINE_
RAW_
SPINLOCK
(
kn01_lock
);
static
inline
void
dec_kn01_be_ack
(
void
)
...
...
@@ -54,12 +54,12 @@ static inline void dec_kn01_be_ack(void)
volatile
u16
*
csr
=
(
void
*
)
CKSEG1ADDR
(
KN01_SLOT_BASE
+
KN01_CSR
);
unsigned
long
flags
;
spin_lock_irqsave
(
&
kn01_lock
,
flags
);
raw_
spin_lock_irqsave
(
&
kn01_lock
,
flags
);
*
csr
=
cached_kn01_csr
|
KN01_CSR_MEMERR
;
/* Clear bus IRQ. */
iob
();
spin_unlock_irqrestore
(
&
kn01_lock
,
flags
);
raw_
spin_unlock_irqrestore
(
&
kn01_lock
,
flags
);
}
static
int
dec_kn01_be_backend
(
struct
pt_regs
*
regs
,
int
is_fixup
,
int
invoker
)
...
...
@@ -182,7 +182,7 @@ void __init dec_kn01_be_init(void)
volatile
u16
*
csr
=
(
void
*
)
CKSEG1ADDR
(
KN01_SLOT_BASE
+
KN01_CSR
);
unsigned
long
flags
;
spin_lock_irqsave
(
&
kn01_lock
,
flags
);
raw_
spin_lock_irqsave
(
&
kn01_lock
,
flags
);
/* Preset write-only bits of the Control Register cache. */
cached_kn01_csr
=
*
csr
;
...
...
@@ -194,7 +194,7 @@ void __init dec_kn01_be_init(void)
*
csr
=
cached_kn01_csr
;
iob
();
spin_unlock_irqrestore
(
&
kn01_lock
,
flags
);
raw_
spin_unlock_irqrestore
(
&
kn01_lock
,
flags
);
/* Clear any leftover errors from the firmware. */
dec_kn01_be_ack
();
...
...
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