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authorDavid Howells <dhowells@redhat.com>2006-12-05 14:37:56 +0000
committerDavid Howells <dhowells@warthog.cambridge.redhat.com>2006-12-05 14:37:56 +0000
commit4c1ac1b49122b805adfa4efc620592f68dccf5db (patch)
tree87557f4bc2fd4fe65b7570489c2f610c45c0adcd /arch/mips/sni/irq.c
parentc4028958b6ecad064b1a6303a6a5906d4fe48d73 (diff)
parentd916faace3efc0bf19fe9a615a1ab8fa1a24cd93 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: drivers/infiniband/core/iwcm.c drivers/net/chelsio/cxgb2.c drivers/net/wireless/bcm43xx/bcm43xx_main.c drivers/net/wireless/prism54/islpci_eth.c drivers/usb/core/hub.h drivers/usb/input/hid-core.c net/core/netpoll.c Fix up merge failures with Linus's head and fix new compilation failures. Signed-Off-By: David Howells <dhowells@redhat.com>
Diffstat (limited to 'arch/mips/sni/irq.c')
-rw-r--r--arch/mips/sni/irq.c40
1 files changed, 6 insertions, 34 deletions
diff --git a/arch/mips/sni/irq.c b/arch/mips/sni/irq.c
index 48fb74a7aae..8511bcc6d99 100644
--- a/arch/mips/sni/irq.c
+++ b/arch/mips/sni/irq.c
@@ -11,44 +11,25 @@
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/kernel.h>
-#include <linux/spinlock.h>
#include <asm/i8259.h>
#include <asm/io.h>
#include <asm/sni.h>
-DEFINE_SPINLOCK(pciasic_lock);
-
static void enable_pciasic_irq(unsigned int irq)
{
unsigned int mask = 1 << (irq - PCIMT_IRQ_INT2);
- unsigned long flags;
- spin_lock_irqsave(&pciasic_lock, flags);
*(volatile u8 *) PCIMT_IRQSEL |= mask;
- spin_unlock_irqrestore(&pciasic_lock, flags);
-}
-
-static unsigned int startup_pciasic_irq(unsigned int irq)
-{
- enable_pciasic_irq(irq);
- return 0; /* never anything pending */
}
-#define shutdown_pciasic_irq disable_pciasic_irq
-
void disable_pciasic_irq(unsigned int irq)
{
unsigned int mask = ~(1 << (irq - PCIMT_IRQ_INT2));
- unsigned long flags;
- spin_lock_irqsave(&pciasic_lock, flags);
*(volatile u8 *) PCIMT_IRQSEL &= mask;
- spin_unlock_irqrestore(&pciasic_lock, flags);
}
-#define mask_and_ack_pciasic_irq disable_pciasic_irq
-
static void end_pciasic_irq(unsigned int irq)
{
if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
@@ -57,11 +38,10 @@ static void end_pciasic_irq(unsigned int irq)
static struct irq_chip pciasic_irq_type = {
.typename = "ASIC-PCI",
- .startup = startup_pciasic_irq,
- .shutdown = shutdown_pciasic_irq,
- .enable = enable_pciasic_irq,
- .disable = disable_pciasic_irq,
- .ack = mask_and_ack_pciasic_irq,
+ .ack = disable_pciasic_irq,
+ .mask = disable_pciasic_irq,
+ .mask_ack = disable_pciasic_irq,
+ .unmask = enable_pciasic_irq,
.end = end_pciasic_irq,
};
@@ -178,12 +158,8 @@ asmlinkage void plat_irq_dispatch(void)
void __init init_pciasic(void)
{
- unsigned long flags;
-
- spin_lock_irqsave(&pciasic_lock, flags);
* (volatile u8 *) PCIMT_IRQSEL =
IT_EISA | IT_INTA | IT_INTB | IT_INTC | IT_INTD;
- spin_unlock_irqrestore(&pciasic_lock, flags);
}
/*
@@ -199,12 +175,8 @@ void __init arch_init_irq(void)
init_pciasic();
/* Actually we've got more interrupts to handle ... */
- for (i = PCIMT_IRQ_INT2; i <= PCIMT_IRQ_ETHERNET; i++) {
- irq_desc[i].status = IRQ_DISABLED;
- irq_desc[i].action = 0;
- irq_desc[i].depth = 1;
- irq_desc[i].chip = &pciasic_irq_type;
- }
+ for (i = PCIMT_IRQ_INT2; i <= PCIMT_IRQ_ETHERNET; i++)
+ set_irq_chip(i, &pciasic_irq_type);
change_c0_status(ST0_IM, IE_IRQ1|IE_IRQ2|IE_IRQ3|IE_IRQ4);
}