aboutsummaryrefslogtreecommitdiff
path: root/arch/mips/sni/rm200.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips/sni/rm200.c')
-rw-r--r--arch/mips/sni/rm200.c85
1 files changed, 37 insertions, 48 deletions
diff --git a/arch/mips/sni/rm200.c b/arch/mips/sni/rm200.c
index 0e6f42c2bbc..a046b302623 100644
--- a/arch/mips/sni/rm200.c
+++ b/arch/mips/sni/rm200.c
@@ -48,17 +48,17 @@ static struct platform_device rm200_serial8250_device = {
};
static struct resource rm200_ds1216_rsrc[] = {
- {
- .start = 0x1cd41ffc,
- .end = 0x1cd41fff,
- .flags = IORESOURCE_MEM
- }
+ {
+ .start = 0x1cd41ffc,
+ .end = 0x1cd41fff,
+ .flags = IORESOURCE_MEM
+ }
};
static struct platform_device rm200_ds1216_device = {
- .name = "rtc-ds1216",
- .num_resources = ARRAY_SIZE(rm200_ds1216_rsrc),
- .resource = rm200_ds1216_rsrc
+ .name = "rtc-ds1216",
+ .num_resources = ARRAY_SIZE(rm200_ds1216_rsrc),
+ .resource = rm200_ds1216_rsrc
};
static struct resource snirm_82596_rm200_rsrc[] = {
@@ -88,9 +88,9 @@ static struct resource snirm_82596_rm200_rsrc[] = {
};
static struct platform_device snirm_82596_rm200_pdev = {
- .name = "snirm_82596",
- .num_resources = ARRAY_SIZE(snirm_82596_rm200_rsrc),
- .resource = snirm_82596_rm200_rsrc
+ .name = "snirm_82596",
+ .num_resources = ARRAY_SIZE(snirm_82596_rm200_rsrc),
+ .resource = snirm_82596_rm200_rsrc
};
static struct resource snirm_53c710_rm200_rsrc[] = {
@@ -107,9 +107,9 @@ static struct resource snirm_53c710_rm200_rsrc[] = {
};
static struct platform_device snirm_53c710_rm200_pdev = {
- .name = "snirm_53c710",
- .num_resources = ARRAY_SIZE(snirm_53c710_rm200_rsrc),
- .resource = snirm_53c710_rm200_rsrc
+ .name = "snirm_53c710",
+ .num_resources = ARRAY_SIZE(snirm_53c710_rm200_rsrc),
+ .resource = snirm_53c710_rm200_rsrc
};
static int __init snirm_setup_devinit(void)
@@ -134,9 +134,9 @@ device_initcall(snirm_setup_devinit);
*/
static DEFINE_RAW_SPINLOCK(sni_rm200_i8259A_lock);
-#define PIC_CMD 0x00
-#define PIC_IMR 0x01
-#define PIC_ISR PIC_CMD
+#define PIC_CMD 0x00
+#define PIC_IMR 0x01
+#define PIC_ISR PIC_CMD
#define PIC_POLL PIC_ISR
#define PIC_OCW3 PIC_ISR
@@ -155,12 +155,11 @@ static __iomem u8 *rm200_pic_slave;
#define cached_master_mask (rm200_cached_irq_mask)
#define cached_slave_mask (rm200_cached_irq_mask >> 8)
-static void sni_rm200_disable_8259A_irq(unsigned int irq)
+static void sni_rm200_disable_8259A_irq(struct irq_data *d)
{
- unsigned int mask;
+ unsigned int mask, irq = d->irq - RM200_I8259A_IRQ_BASE;
unsigned long flags;
- irq -= RM200_I8259A_IRQ_BASE;
mask = 1 << irq;
raw_spin_lock_irqsave(&sni_rm200_i8259A_lock, flags);
rm200_cached_irq_mask |= mask;
@@ -171,12 +170,11 @@ static void sni_rm200_disable_8259A_irq(unsigned int irq)
raw_spin_unlock_irqrestore(&sni_rm200_i8259A_lock, flags);
}
-static void sni_rm200_enable_8259A_irq(unsigned int irq)
+static void sni_rm200_enable_8259A_irq(struct irq_data *d)
{
- unsigned int mask;
+ unsigned int mask, irq = d->irq - RM200_I8259A_IRQ_BASE;
unsigned long flags;
- irq -= RM200_I8259A_IRQ_BASE;
mask = ~(1 << irq);
raw_spin_lock_irqsave(&sni_rm200_i8259A_lock, flags);
rm200_cached_irq_mask &= mask;
@@ -210,12 +208,11 @@ static inline int sni_rm200_i8259A_irq_real(unsigned int irq)
* first, _then_ send the EOI, and the order of EOI
* to the two 8259s is important!
*/
-void sni_rm200_mask_and_ack_8259A(unsigned int irq)
+void sni_rm200_mask_and_ack_8259A(struct irq_data *d)
{
- unsigned int irqmask;
+ unsigned int irqmask, irq = d->irq - RM200_I8259A_IRQ_BASE;
unsigned long flags;
- irq -= RM200_I8259A_IRQ_BASE;
irqmask = 1 << irq;
raw_spin_lock_irqsave(&sni_rm200_i8259A_lock, flags);
/*
@@ -285,9 +282,9 @@ spurious_8259A_irq:
static struct irq_chip sni_rm200_i8259A_chip = {
.name = "RM200-XT-PIC",
- .mask = sni_rm200_disable_8259A_irq,
- .unmask = sni_rm200_enable_8259A_irq,
- .mask_ack = sni_rm200_mask_and_ack_8259A,
+ .irq_mask = sni_rm200_disable_8259A_irq,
+ .irq_unmask = sni_rm200_enable_8259A_irq,
+ .irq_mask_ack = sni_rm200_mask_and_ack_8259A,
};
/*
@@ -362,6 +359,7 @@ void sni_rm200_init_8259A(void)
static struct irqaction sni_rm200_irq2 = {
.handler = no_action,
.name = "cascade",
+ .flags = IRQF_NO_THREAD,
};
static struct resource sni_rm200_pic1_resource = {
@@ -416,46 +414,37 @@ void __init sni_rm200_i8259_irqs(void)
sni_rm200_init_8259A();
for (i = RM200_I8259A_IRQ_BASE; i < RM200_I8259A_IRQ_BASE + 16; i++)
- set_irq_chip_and_handler(i, &sni_rm200_i8259A_chip,
+ irq_set_chip_and_handler(i, &sni_rm200_i8259A_chip,
handle_level_irq);
setup_irq(RM200_I8259A_IRQ_BASE + PIC_CASCADE_IR, &sni_rm200_irq2);
}
-#define SNI_RM200_INT_STAT_REG CKSEG1ADDR(0xbc000000)
-#define SNI_RM200_INT_ENA_REG CKSEG1ADDR(0xbc080000)
+#define SNI_RM200_INT_STAT_REG CKSEG1ADDR(0xbc000000)
+#define SNI_RM200_INT_ENA_REG CKSEG1ADDR(0xbc080000)
#define SNI_RM200_INT_START 24
#define SNI_RM200_INT_END 28
-static void enable_rm200_irq(unsigned int irq)
+static void enable_rm200_irq(struct irq_data *d)
{
- unsigned int mask = 1 << (irq - SNI_RM200_INT_START);
+ unsigned int mask = 1 << (d->irq - SNI_RM200_INT_START);
*(volatile u8 *)SNI_RM200_INT_ENA_REG &= ~mask;
}
-void disable_rm200_irq(unsigned int irq)
+void disable_rm200_irq(struct irq_data *d)
{
- unsigned int mask = 1 << (irq - SNI_RM200_INT_START);
+ unsigned int mask = 1 << (d->irq - SNI_RM200_INT_START);
*(volatile u8 *)SNI_RM200_INT_ENA_REG |= mask;
}
-void end_rm200_irq(unsigned int irq)
-{
- if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
- enable_rm200_irq(irq);
-}
-
static struct irq_chip rm200_irq_type = {
.name = "RM200",
- .ack = disable_rm200_irq,
- .mask = disable_rm200_irq,
- .mask_ack = disable_rm200_irq,
- .unmask = enable_rm200_irq,
- .end = end_rm200_irq,
+ .irq_mask = disable_rm200_irq,
+ .irq_unmask = enable_rm200_irq,
};
static void sni_rm200_hwint(void)
@@ -489,7 +478,7 @@ void __init sni_rm200_irq_init(void)
mips_cpu_irq_init();
/* Actually we've got more interrupts to handle ... */
for (i = SNI_RM200_INT_START; i <= SNI_RM200_INT_END; i++)
- set_irq_chip_and_handler(i, &rm200_irq_type, handle_level_irq);
+ irq_set_chip_and_handler(i, &rm200_irq_type, handle_level_irq);
sni_hwint = sni_rm200_hwint;
change_c0_status(ST0_IM, IE_IRQ0);
setup_irq(SNI_RM200_INT_START + 0, &sni_rm200_i8259A_irq);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-05 06:09:57 +0000