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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/dec/kn02-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/dec/kn02-irq.c')
-rw-r--r--arch/mips/dec/kn02-irq.c53
1 files changed, 7 insertions, 46 deletions
diff --git a/arch/mips/dec/kn02-irq.c b/arch/mips/dec/kn02-irq.c
index 04a367a60a5..5a9be4c9358 100644
--- a/arch/mips/dec/kn02-irq.c
+++ b/arch/mips/dec/kn02-irq.c
@@ -14,7 +14,6 @@
#include <linux/init.h>
#include <linux/irq.h>
-#include <linux/spinlock.h>
#include <linux/types.h>
#include <asm/dec/kn02.h>
@@ -29,7 +28,6 @@
* There is no default value -- it has to be initialized.
*/
u32 cached_kn02_csr;
-DEFINE_SPINLOCK(kn02_lock);
static int kn02_irq_base;
@@ -53,54 +51,24 @@ static inline void mask_kn02_irq(unsigned int irq)
*csr = cached_kn02_csr;
}
-static inline void enable_kn02_irq(unsigned int irq)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&kn02_lock, flags);
- unmask_kn02_irq(irq);
- spin_unlock_irqrestore(&kn02_lock, flags);
-}
-
-static inline void disable_kn02_irq(unsigned int irq)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&kn02_lock, flags);
- mask_kn02_irq(irq);
- spin_unlock_irqrestore(&kn02_lock, flags);
-}
-
-
-static unsigned int startup_kn02_irq(unsigned int irq)
-{
- enable_kn02_irq(irq);
- return 0;
-}
-
-#define shutdown_kn02_irq disable_kn02_irq
-
static void ack_kn02_irq(unsigned int irq)
{
- spin_lock(&kn02_lock);
mask_kn02_irq(irq);
- spin_unlock(&kn02_lock);
iob();
}
static void end_kn02_irq(unsigned int irq)
{
if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
- enable_kn02_irq(irq);
+ unmask_kn02_irq(irq);
}
static struct irq_chip kn02_irq_type = {
.typename = "KN02-CSR",
- .startup = startup_kn02_irq,
- .shutdown = shutdown_kn02_irq,
- .enable = enable_kn02_irq,
- .disable = disable_kn02_irq,
.ack = ack_kn02_irq,
+ .mask = mask_kn02_irq,
+ .mask_ack = ack_kn02_irq,
+ .unmask = unmask_kn02_irq,
.end = end_kn02_irq,
};
@@ -109,22 +77,15 @@ void __init init_kn02_irqs(int base)
{
volatile u32 *csr = (volatile u32 *)CKSEG1ADDR(KN02_SLOT_BASE +
KN02_CSR);
- unsigned long flags;
int i;
/* Mask interrupts. */
- spin_lock_irqsave(&kn02_lock, flags);
cached_kn02_csr &= ~KN02_CSR_IOINTEN;
*csr = cached_kn02_csr;
iob();
- spin_unlock_irqrestore(&kn02_lock, flags);
-
- for (i = base; i < base + KN02_IRQ_LINES; i++) {
- irq_desc[i].status = IRQ_DISABLED;
- irq_desc[i].action = 0;
- irq_desc[i].depth = 1;
- irq_desc[i].chip = &kn02_irq_type;
- }
+
+ for (i = base; i < base + KN02_IRQ_LINES; i++)
+ set_irq_chip_and_handler(i, &kn02_irq_type, handle_level_irq);
kn02_irq_base = base;
}