Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus

* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (31 commits)
  [MIPS] Remove duplicate ISA DMA code for 0 DMA channel case.
  [MIPS] Remove unused definition of cpu_to_lelongp()
  [MIPS] Remove userspace proofing from <asm/bitops.h>.
  [MIPS] Remove old junk left from old atomic_lock.
  [MIPS] Use conditional traps for BUG_ON on MIPS II and better.
  [MIPS] mips HPT cleanup: make clocksource_mips public
  [MIPS] do_IRQ cleanup
  [MIPS] Avoid dupliate D-cache flush on R400C / R4400 SC and MC variants.
  [MIPS] Remove redundant r4k_blast_icache() calls
  [MIPS] Work around bogus gcc warnings.
  [MIPS] Fix double inclusions
  [MIPS] use generic_handle_irq, handle_level_irq, handle_percpu_irq
  [MIPS] IRQ cleanups
  [MIPS] mips hpt cleanup: get rid of mips_hpt_init
  [MIPS] PB1200: Remove duplicate definitions
  [MIPS] Fix alignment hole in struct cache_desc; shrink struct.
  [MIPS] Oprofile: kernel support for the R10000.
  [MIPS] Remove unused R10000 performance counter definitions.
  [MIPS] Add support for kexec
  [MIPS] Don't print presence of WAIT instruction on bootup.
  ...

1 files changed, 17 insertions, 92 deletions

diff --git a/arch/mips/sgi-ip22/ip22-int.c b/arch/mips/sgi-ip22/ip22-int.c
index af518898eaa..c7b13805315 100644
--- a/arch/mips/sgi-ip22/ip22-int.c
+++ b/arch/mips/sgi-ip22/ip22-int.c
@@ -40,34 +40,17 @@ extern int ip22_eisa_init(void);
 
 static void enable_local0_irq(unsigned int irq)
 {
-	unsigned long flags;
-
-	local_irq_save(flags);
 	/* don't allow mappable interrupt to be enabled from setup_irq,
 	 * we have our own way to do so */
 	if (irq != SGI_MAP_0_IRQ)
 		sgint->imask0 |= (1 << (irq - SGINT_LOCAL0));
-	local_irq_restore(flags);
-}
-
-static unsigned int startup_local0_irq(unsigned int irq)
-{
-	enable_local0_irq(irq);
-	return 0;		/* Never anything pending  */
 }
 
 static void disable_local0_irq(unsigned int irq)
 {
-	unsigned long flags;
-
-	local_irq_save(flags);
 	sgint->imask0 &= ~(1 << (irq - SGINT_LOCAL0));
-	local_irq_restore(flags);
 }
 
-#define shutdown_local0_irq	disable_local0_irq
-#define mask_and_ack_local0_irq	disable_local0_irq
-
 static void end_local0_irq (unsigned int irq)
 {
 	if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
@@ -76,44 +59,26 @@ static void end_local0_irq (unsigned int irq)
 
 static struct irq_chip ip22_local0_irq_type = {
 	.typename	= "IP22 local 0",
-	.startup	= startup_local0_irq,
-	.shutdown	= shutdown_local0_irq,
-	.enable		= enable_local0_irq,
-	.disable	= disable_local0_irq,
-	.ack		= mask_and_ack_local0_irq,
+	.ack		= disable_local0_irq,
+	.mask		= disable_local0_irq,
+	.mask_ack	= disable_local0_irq,
+	.unmask		= enable_local0_irq,
 	.end		= end_local0_irq,
 };
 
 static void enable_local1_irq(unsigned int irq)
 {
-	unsigned long flags;
-
-	local_irq_save(flags);
 	/* don't allow mappable interrupt to be enabled from setup_irq,
 	 * we have our own way to do so */
 	if (irq != SGI_MAP_1_IRQ)
 		sgint->imask1 |= (1 << (irq - SGINT_LOCAL1));
-	local_irq_restore(flags);
-}
-
-static unsigned int startup_local1_irq(unsigned int irq)
-{
-	enable_local1_irq(irq);
-	return 0;		/* Never anything pending  */
 }
 
 void disable_local1_irq(unsigned int irq)
 {
-	unsigned long flags;
-
-	local_irq_save(flags);
 	sgint->imask1 &= ~(1 << (irq - SGINT_LOCAL1));
-	local_irq_restore(flags);
 }
 
-#define shutdown_local1_irq	disable_local1_irq
-#define mask_and_ack_local1_irq	disable_local1_irq
-
 static void end_local1_irq (unsigned int irq)
 {
 	if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
@@ -122,44 +87,26 @@ static void end_local1_irq (unsigned int irq)
 
 static struct irq_chip ip22_local1_irq_type = {
 	.typename	= "IP22 local 1",
-	.startup	= startup_local1_irq,
-	.shutdown	= shutdown_local1_irq,
-	.enable		= enable_local1_irq,
-	.disable	= disable_local1_irq,
-	.ack		= mask_and_ack_local1_irq,
+	.ack		= disable_local1_irq,
+	.mask		= disable_local1_irq,
+	.mask_ack	= disable_local1_irq,
+	.unmask		= enable_local1_irq,
 	.end		= end_local1_irq,
 };
 
 static void enable_local2_irq(unsigned int irq)
 {
-	unsigned long flags;
-
-	local_irq_save(flags);
 	sgint->imask0 |= (1 << (SGI_MAP_0_IRQ - SGINT_LOCAL0));
 	sgint->cmeimask0 |= (1 << (irq - SGINT_LOCAL2));
-	local_irq_restore(flags);
-}
-
-static unsigned int startup_local2_irq(unsigned int irq)
-{
-	enable_local2_irq(irq);
-	return 0;		/* Never anything pending  */
 }
 
 void disable_local2_irq(unsigned int irq)
 {
-	unsigned long flags;
-
-	local_irq_save(flags);
 	sgint->cmeimask0 &= ~(1 << (irq - SGINT_LOCAL2));
 	if (!sgint->cmeimask0)
 		sgint->imask0 &= ~(1 << (SGI_MAP_0_IRQ - SGINT_LOCAL0));
-	local_irq_restore(flags);
 }
 
-#define shutdown_local2_irq disable_local2_irq
-#define mask_and_ack_local2_irq	disable_local2_irq
-
 static void end_local2_irq (unsigned int irq)
 {
 	if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
@@ -168,44 +115,26 @@ static void end_local2_irq (unsigned int irq)
 
 static struct irq_chip ip22_local2_irq_type = {
 	.typename	= "IP22 local 2",
-	.startup	= startup_local2_irq,
-	.shutdown	= shutdown_local2_irq,
-	.enable		= enable_local2_irq,
-	.disable	= disable_local2_irq,
-	.ack		= mask_and_ack_local2_irq,
+	.ack		= disable_local2_irq,
+	.mask		= disable_local2_irq,
+	.mask_ack	= disable_local2_irq,
+	.unmask		= enable_local2_irq,
 	.end		= end_local2_irq,
 };
 
 static void enable_local3_irq(unsigned int irq)
 {
-	unsigned long flags;
-
-	local_irq_save(flags);
 	sgint->imask1 |= (1 << (SGI_MAP_1_IRQ - SGINT_LOCAL1));
 	sgint->cmeimask1 |= (1 << (irq - SGINT_LOCAL3));
-	local_irq_restore(flags);
-}
-
-static unsigned int startup_local3_irq(unsigned int irq)
-{
-	enable_local3_irq(irq);
-	return 0;		/* Never anything pending  */
 }
 
 void disable_local3_irq(unsigned int irq)
 {
-	unsigned long flags;
-
-	local_irq_save(flags);
 	sgint->cmeimask1 &= ~(1 << (irq - SGINT_LOCAL3));
 	if (!sgint->cmeimask1)
 		sgint->imask1 &= ~(1 << (SGI_MAP_1_IRQ - SGINT_LOCAL1));
-	local_irq_restore(flags);
 }
 
-#define shutdown_local3_irq disable_local3_irq
-#define mask_and_ack_local3_irq	disable_local3_irq
-
 static void end_local3_irq (unsigned int irq)
 {
 	if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
@@ -214,11 +143,10 @@ static void end_local3_irq (unsigned int irq)
 
 static struct irq_chip ip22_local3_irq_type = {
 	.typename	= "IP22 local 3",
-	.startup	= startup_local3_irq,
-	.shutdown	= shutdown_local3_irq,
-	.enable		= enable_local3_irq,
-	.disable	= disable_local3_irq,
-	.ack		= mask_and_ack_local3_irq,
+	.ack		= disable_local3_irq,
+	.mask		= disable_local3_irq,
+	.mask_ack	= disable_local3_irq,
+	.unmask		= enable_local3_irq,
 	.end		= end_local3_irq,
 };
 
@@ -430,10 +358,7 @@ void __init arch_init_irq(void)
 		else
 			handler		= &ip22_local3_irq_type;
 
-		irq_desc[i].status	= IRQ_DISABLED;
-		irq_desc[i].action	= 0;
-		irq_desc[i].depth	= 1;
-		irq_desc[i].chip	= handler;
+		set_irq_chip_and_handler(i, handler, handle_level_irq);
 	}
 
 	/* vector handler. this register the IRQ as non-sharable */