Fix the deadlock in set_type() while at it.
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
arch/mips/alchemy/common/irq.c | 98 ++++++++++++++++++-------------------
arch/mips/alchemy/devboards/bcsr.c | 18 +++---
2 files changed, 59 insertions(+), 57 deletions(-)
Index: linux-mips-next/arch/mips/alchemy/common/irq.c
===================================================================
--- linux-mips-next.orig/arch/mips/alchemy/common/irq.c
+++ linux-mips-next/arch/mips/alchemy/common/irq.c
@@ -39,7 +39,7 @@
#include <asm/mach-pb1x00/pb1000.h>
#endif
-static int au1x_ic_settype(unsigned int irq, unsigned int flow_type);
+static int au1x_ic_settype(struct irq_data *d, unsigned int flow_type);
/* NOTE on interrupt priorities: The original writers of this code said:
*
@@ -218,17 +218,17 @@ struct au1xxx_irqmap au1200_irqmap[] __i
};
-static void au1x_ic0_unmask(unsigned int irq_nr)
+static void au1x_ic0_unmask(struct irq_data *d)
{
- unsigned int bit = irq_nr - AU1000_INTC0_INT_BASE;
+ unsigned int bit = d->irq - AU1000_INTC0_INT_BASE;
au_writel(1 << bit, IC0_MASKSET);
au_writel(1 << bit, IC0_WAKESET);
au_sync();
}
-static void au1x_ic1_unmask(unsigned int irq_nr)
+static void au1x_ic1_unmask(struct irq_data *d)
{
- unsigned int bit = irq_nr - AU1000_INTC1_INT_BASE;
+ unsigned int bit = d->irq - AU1000_INTC1_INT_BASE;
au_writel(1 << bit, IC1_MASKSET);
au_writel(1 << bit, IC1_WAKESET);
@@ -236,31 +236,31 @@ static void au1x_ic1_unmask(unsigned int
* nowhere in the current kernel sources is it disabled. --mlau
*/
#if defined(CONFIG_MIPS_PB1000)
- if (irq_nr == AU1000_GPIO15_INT)
+ if (d->irq == AU1000_GPIO15_INT)
au_writel(0x4000, PB1000_MDR); /* enable int */
#endif
au_sync();
}
-static void au1x_ic0_mask(unsigned int irq_nr)
+static void au1x_ic0_mask(struct irq_data *d)
{
- unsigned int bit = irq_nr - AU1000_INTC0_INT_BASE;
+ unsigned int bit = d->irq - AU1000_INTC0_INT_BASE;
au_writel(1 << bit, IC0_MASKCLR);
au_writel(1 << bit, IC0_WAKECLR);
au_sync();
}
-static void au1x_ic1_mask(unsigned int irq_nr)
+static void au1x_ic1_mask(struct irq_data *d)
{
- unsigned int bit = irq_nr - AU1000_INTC1_INT_BASE;
+ unsigned int bit = d->irq - AU1000_INTC1_INT_BASE;
au_writel(1 << bit, IC1_MASKCLR);
au_writel(1 << bit, IC1_WAKECLR);
au_sync();
}
-static void au1x_ic0_ack(unsigned int irq_nr)
+static void au1x_ic0_ack(struct irq_data *d)
{
- unsigned int bit = irq_nr - AU1000_INTC0_INT_BASE;
+ unsigned int bit = d->irq - AU1000_INTC0_INT_BASE;
/*
* This may assume that we don't get interrupts from
@@ -271,9 +271,9 @@ static void au1x_ic0_ack(unsigned int ir
au_sync();
}
-static void au1x_ic1_ack(unsigned int irq_nr)
+static void au1x_ic1_ack(struct irq_data *d)
{
- unsigned int bit = irq_nr - AU1000_INTC1_INT_BASE;
+ unsigned int bit = d->irq - AU1000_INTC1_INT_BASE;
/*
* This may assume that we don't get interrupts from
@@ -284,9 +284,9 @@ static void au1x_ic1_ack(unsigned int ir
au_sync();
}
-static void au1x_ic0_maskack(unsigned int irq_nr)
+static void au1x_ic0_maskack(struct irq_data *d)
{
- unsigned int bit = irq_nr - AU1000_INTC0_INT_BASE;
+ unsigned int bit = d->irq - AU1000_INTC0_INT_BASE;
au_writel(1 << bit, IC0_WAKECLR);
au_writel(1 << bit, IC0_MASKCLR);
@@ -295,9 +295,9 @@ static void au1x_ic0_maskack(unsigned in
au_sync();
}
-static void au1x_ic1_maskack(unsigned int irq_nr)
+static void au1x_ic1_maskack(struct irq_data *d)
{
- unsigned int bit = irq_nr - AU1000_INTC1_INT_BASE;
+ unsigned int bit = d->irq - AU1000_INTC1_INT_BASE;
au_writel(1 << bit, IC1_WAKECLR);
au_writel(1 << bit, IC1_MASKCLR);
@@ -306,9 +306,9 @@ static void au1x_ic1_maskack(unsigned in
au_sync();
}
-static int au1x_ic1_setwake(unsigned int irq, unsigned int on)
+static int au1x_ic1_setwake(struct irq_data *d, unsigned int on)
{
- int bit = irq - AU1000_INTC1_INT_BASE;
+ int bit = d->irq - AU1000_INTC1_INT_BASE;
unsigned long wakemsk, flags;
/* only GPIO 0-7 can act as wakeup source. Fortunately these
@@ -336,28 +336,30 @@ static int au1x_ic1_setwake(unsigned int
*/
static struct irq_chip au1x_ic0_chip = {
.name = "Alchemy-IC0",
- .ack = au1x_ic0_ack,
- .mask = au1x_ic0_mask,
- .mask_ack = au1x_ic0_maskack,
- .unmask = au1x_ic0_unmask,
- .set_type = au1x_ic_settype,
+ .irq_ack = au1x_ic0_ack,
+ .irq_mask = au1x_ic0_mask,
+ .irq_mask_ack = au1x_ic0_maskack,
+ .irq_unmask = au1x_ic0_unmask,
+ .irq_set_type = au1x_ic_settype,
};
static struct irq_chip au1x_ic1_chip = {
.name = "Alchemy-IC1",
- .ack = au1x_ic1_ack,
- .mask = au1x_ic1_mask,
- .mask_ack = au1x_ic1_maskack,
- .unmask = au1x_ic1_unmask,
- .set_type = au1x_ic_settype,
- .set_wake = au1x_ic1_setwake,
+ .irq_ack = au1x_ic1_ack,
+ .irq_mask = au1x_ic1_mask,
+ .irq_mask_ack = au1x_ic1_maskack,
+ .irq_unmask = au1x_ic1_unmask,
+ .irq_set_type = au1x_ic_settype,
+ .irq_set_wake = au1x_ic1_setwake,
};
-static int au1x_ic_settype(unsigned int irq, unsigned int flow_type)
+static int au1x_ic_settype(struct irq_data *d, unsigned int flow_type)
{
struct irq_chip *chip;
unsigned long icr[6];
- unsigned int bit, ic;
+ unsigned int bit, ic, irq = d->irq;
+ irq_flow_handler_t handler = NULL;
+ unsigned char *name = NULL;
int ret;
if (irq >= AU1000_INTC1_INT_BASE) {
@@ -387,47 +389,47 @@ static int au1x_ic_settype(unsigned int
au_writel(1 << bit, icr[5]);
au_writel(1 << bit, icr[4]);
au_writel(1 << bit, icr[0]);
- set_irq_chip_and_handler_name(irq, chip,
- handle_edge_irq, "riseedge");
+ handler = handle_edge_irq;
+ name = "riseedge";
break;
case IRQ_TYPE_EDGE_FALLING: /* 0:1:0 */
au_writel(1 << bit, icr[5]);
au_writel(1 << bit, icr[1]);
au_writel(1 << bit, icr[3]);
- set_irq_chip_and_handler_name(irq, chip,
- handle_edge_irq, "falledge");
+ handler = handle_edge_irq;
+ name = "falledge";
break;
case IRQ_TYPE_EDGE_BOTH: /* 0:1:1 */
au_writel(1 << bit, icr[5]);
au_writel(1 << bit, icr[1]);
au_writel(1 << bit, icr[0]);
- set_irq_chip_and_handler_name(irq, chip,
- handle_edge_irq, "bothedge");
+ handler = handle_edge_irq;
+ name = "bothedge";
break;
case IRQ_TYPE_LEVEL_HIGH: /* 1:0:1 */
au_writel(1 << bit, icr[2]);
au_writel(1 << bit, icr[4]);
au_writel(1 << bit, icr[0]);
- set_irq_chip_and_handler_name(irq, chip,
- handle_level_irq, "hilevel");
+ handler = handle_level_irq;
+ name = "hilevel";
break;
case IRQ_TYPE_LEVEL_LOW: /* 1:1:0 */
au_writel(1 << bit, icr[2]);
au_writel(1 << bit, icr[1]);
au_writel(1 << bit, icr[3]);
- set_irq_chip_and_handler_name(irq, chip,
- handle_level_irq, "lowlevel");
+ handler = handle_level_irq;
+ name = "lowlevel";
break;
case IRQ_TYPE_NONE: /* 0:0:0 */
au_writel(1 << bit, icr[5]);
au_writel(1 << bit, icr[4]);
au_writel(1 << bit, icr[3]);
- /* set at least chip so we can call set_irq_type() on it */
- set_irq_chip(irq, chip);
break;
default:
ret = -EINVAL;
}
+ __irq_set_chip_handler_name_locked(d->irq, chip, handler, name);
+
au_sync();
return ret;
@@ -504,11 +506,11 @@ static void __init au1000_init_irq(struc
*/
for (i = AU1000_INTC0_INT_BASE;
(i < AU1000_INTC0_INT_BASE + 32); i++)
- au1x_ic_settype(i, IRQ_TYPE_NONE);
+ au1x_ic_settype(irq_get_irq_data(i), IRQ_TYPE_NONE);
for (i = AU1000_INTC1_INT_BASE;
(i < AU1000_INTC1_INT_BASE + 32); i++)
- au1x_ic_settype(i, IRQ_TYPE_NONE);
+ au1x_ic_settype(irq_get_irq_data(i), IRQ_TYPE_NONE);
/*
* Initialize IC0, which is fixed per processor.
@@ -526,7 +528,7 @@ static void __init au1000_init_irq(struc
au_writel(1 << bit, IC0_ASSIGNSET);
}
- au1x_ic_settype(irq_nr, map->im_type);
+ au1x_ic_settype(irq_get_irq_data(irq_nr), map->im_type);
++map;
}
Index: linux-mips-next/arch/mips/alchemy/devboards/bcsr.c
===================================================================
--- linux-mips-next.orig/arch/mips/alchemy/devboards/bcsr.c
+++ linux-mips-next/arch/mips/alchemy/devboards/bcsr.c
@@ -97,26 +97,26 @@ static void bcsr_csc_handler(unsigned in
* CPLD generates tons of spurious interrupts (at least on my DB1200).
* -- mlau
*/
-static void bcsr_irq_mask(unsigned int irq_nr)
+static void bcsr_irq_mask(struct irq_data *d)
{
- unsigned short v = 1 << (irq_nr - bcsr_csc_base);
+ unsigned short v = 1 << (d->irq - bcsr_csc_base);
__raw_writew(v, bcsr_virt + BCSR_REG_INTCLR);
__raw_writew(v, bcsr_virt + BCSR_REG_MASKCLR);
wmb();
}
-static void bcsr_irq_maskack(unsigned int irq_nr)
+static void bcsr_irq_maskack(struct irq_data *d)
{
- unsigned short v = 1 << (irq_nr - bcsr_csc_base);
+ unsigned short v = 1 << (d->irq - bcsr_csc_base);
__raw_writew(v, bcsr_virt + BCSR_REG_INTCLR);
__raw_writew(v, bcsr_virt + BCSR_REG_MASKCLR);
__raw_writew(v, bcsr_virt + BCSR_REG_INTSTAT); /* ack */
wmb();
}
-static void bcsr_irq_unmask(unsigned int irq_nr)
+static void bcsr_irq_unmask(struct irq_data *d)
{
- unsigned short v = 1 << (irq_nr - bcsr_csc_base);
+ unsigned short v = 1 << (d->irq - bcsr_csc_base);
__raw_writew(v, bcsr_virt + BCSR_REG_INTSET);
__raw_writew(v, bcsr_virt + BCSR_REG_MASKSET);
wmb();
@@ -124,9 +124,9 @@ static void bcsr_irq_unmask(unsigned int
static struct irq_chip bcsr_irq_type = {
.name = "CPLD",
- .mask = bcsr_irq_mask,
- .mask_ack = bcsr_irq_maskack,
- .unmask = bcsr_irq_unmask,
+ .irq_mask = bcsr_irq_mask,
+ .irq_mask_ack = bcsr_irq_maskack,
+ .irq_unmask = bcsr_irq_unmask,
};
void __init bcsr_init_irq(int csc_start, int csc_end, int hook_irq)
