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nexedi
linux
Commits
ddaedd1c
Commit
ddaedd1c
authored
Mar 28, 2011
by
Thomas Gleixner
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powerpc-fsl-msi-use-irqd.patch
Signed-off-by:
Thomas Gleixner
<
tglx@linutronix.de
>
parent
773e20d5
Changes
1
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1 changed file
with
11 additions
and
10 deletions
+11
-10
arch/powerpc/sysdev/fsl_msi.c
arch/powerpc/sysdev/fsl_msi.c
+11
-10
No files found.
arch/powerpc/sysdev/fsl_msi.c
View file @
ddaedd1c
...
@@ -183,7 +183,8 @@ static int fsl_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
...
@@ -183,7 +183,8 @@ static int fsl_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
static
void
fsl_msi_cascade
(
unsigned
int
irq
,
struct
irq_desc
*
desc
)
static
void
fsl_msi_cascade
(
unsigned
int
irq
,
struct
irq_desc
*
desc
)
{
{
struct
irq_chip
*
chip
=
get_irq_desc_chip
(
desc
);
struct
irq_chip
*
chip
=
irq_desc_get_chip
(
desc
);
struct
irq_data
*
idata
=
irq_desc_get_irq_data
(
desc
);
unsigned
int
cascade_irq
;
unsigned
int
cascade_irq
;
struct
fsl_msi
*
msi_data
;
struct
fsl_msi
*
msi_data
;
int
msir_index
=
-
1
;
int
msir_index
=
-
1
;
...
@@ -198,14 +199,14 @@ static void fsl_msi_cascade(unsigned int irq, struct irq_desc *desc)
...
@@ -198,14 +199,14 @@ static void fsl_msi_cascade(unsigned int irq, struct irq_desc *desc)
raw_spin_lock
(
&
desc
->
lock
);
raw_spin_lock
(
&
desc
->
lock
);
if
((
msi_data
->
feature
&
FSL_PIC_IP_MASK
)
==
FSL_PIC_IP_IPIC
)
{
if
((
msi_data
->
feature
&
FSL_PIC_IP_MASK
)
==
FSL_PIC_IP_IPIC
)
{
if
(
chip
->
irq_mask_ack
)
if
(
chip
->
irq_mask_ack
)
chip
->
irq_mask_ack
(
&
desc
->
irq_
data
);
chip
->
irq_mask_ack
(
i
data
);
else
{
else
{
chip
->
irq_mask
(
&
desc
->
irq_
data
);
chip
->
irq_mask
(
i
data
);
chip
->
irq_ack
(
&
desc
->
irq_
data
);
chip
->
irq_ack
(
i
data
);
}
}
}
}
if
(
unlikely
(
desc
->
status
&
IRQ_INPROGRESS
))
if
(
unlikely
(
irqd_irq_inprogress
(
idata
)
))
goto
unlock
;
goto
unlock
;
msir_index
=
cascade_data
->
index
;
msir_index
=
cascade_data
->
index
;
...
@@ -213,7 +214,7 @@ static void fsl_msi_cascade(unsigned int irq, struct irq_desc *desc)
...
@@ -213,7 +214,7 @@ static void fsl_msi_cascade(unsigned int irq, struct irq_desc *desc)
if
(
msir_index
>=
NR_MSI_REG
)
if
(
msir_index
>=
NR_MSI_REG
)
cascade_irq
=
NO_IRQ
;
cascade_irq
=
NO_IRQ
;
desc
->
status
|=
IRQ_INPROGRESS
;
irqd_set_chained_irq_inprogress
(
idata
)
;
switch
(
msi_data
->
feature
&
FSL_PIC_IP_MASK
)
{
switch
(
msi_data
->
feature
&
FSL_PIC_IP_MASK
)
{
case
FSL_PIC_IP_MPIC
:
case
FSL_PIC_IP_MPIC
:
msir_value
=
fsl_msi_read
(
msi_data
->
msi_regs
,
msir_value
=
fsl_msi_read
(
msi_data
->
msi_regs
,
...
@@ -235,15 +236,15 @@ static void fsl_msi_cascade(unsigned int irq, struct irq_desc *desc)
...
@@ -235,15 +236,15 @@ static void fsl_msi_cascade(unsigned int irq, struct irq_desc *desc)
have_shift
+=
intr_index
+
1
;
have_shift
+=
intr_index
+
1
;
msir_value
=
msir_value
>>
(
intr_index
+
1
);
msir_value
=
msir_value
>>
(
intr_index
+
1
);
}
}
desc
->
status
&=
~
IRQ_INPROGRESS
;
irqd_clr_chained_irq_inprogress
(
idata
)
;
switch
(
msi_data
->
feature
&
FSL_PIC_IP_MASK
)
{
switch
(
msi_data
->
feature
&
FSL_PIC_IP_MASK
)
{
case
FSL_PIC_IP_MPIC
:
case
FSL_PIC_IP_MPIC
:
chip
->
irq_eoi
(
&
desc
->
irq_
data
);
chip
->
irq_eoi
(
i
data
);
break
;
break
;
case
FSL_PIC_IP_IPIC
:
case
FSL_PIC_IP_IPIC
:
if
(
!
(
desc
->
status
&
IRQ_DISABLED
)
&&
chip
->
irq_unmask
)
if
(
!
irqd_irq_disabled
(
idata
)
&&
chip
->
irq_unmask
)
chip
->
irq_unmask
(
&
desc
->
irq_
data
);
chip
->
irq_unmask
(
i
data
);
break
;
break
;
}
}
unlock:
unlock:
...
...
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