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, 12 insertions, 172 deletions

diff --git a/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_irq.c b/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_irq.c
index 0c3c3f668230..34cdb2a240e9 100644
--- a/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_irq.c
+++ b/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_irq.c
@@ -151,16 +151,11 @@ JP7 is not bus master -- do NOT use -- only 4 pci bus master's allowed -- SouthB
 #define TOSHIBA_RBTX4927_IRQ_EROR          ( 1 <<  2 )
 
 #define TOSHIBA_RBTX4927_IRQ_IOC_INIT      ( 1 << 10 )
-#define TOSHIBA_RBTX4927_IRQ_IOC_STARTUP   ( 1 << 11 )
-#define TOSHIBA_RBTX4927_IRQ_IOC_SHUTDOWN  ( 1 << 12 )
 #define TOSHIBA_RBTX4927_IRQ_IOC_ENABLE    ( 1 << 13 )
 #define TOSHIBA_RBTX4927_IRQ_IOC_DISABLE   ( 1 << 14 )
-#define TOSHIBA_RBTX4927_IRQ_IOC_MASK      ( 1 << 15 )
 #define TOSHIBA_RBTX4927_IRQ_IOC_ENDIRQ    ( 1 << 16 )
 
 #define TOSHIBA_RBTX4927_IRQ_ISA_INIT      ( 1 << 20 )
-#define TOSHIBA_RBTX4927_IRQ_ISA_STARTUP   ( 1 << 21 )
-#define TOSHIBA_RBTX4927_IRQ_ISA_SHUTDOWN  ( 1 << 22 )
 #define TOSHIBA_RBTX4927_IRQ_ISA_ENABLE    ( 1 << 23 )
 #define TOSHIBA_RBTX4927_IRQ_ISA_DISABLE   ( 1 << 24 )
 #define TOSHIBA_RBTX4927_IRQ_ISA_MASK      ( 1 << 25 )
@@ -175,15 +170,10 @@ static const u32 toshiba_rbtx4927_irq_debug_flag =
     (TOSHIBA_RBTX4927_IRQ_NONE | TOSHIBA_RBTX4927_IRQ_INFO |
      TOSHIBA_RBTX4927_IRQ_WARN | TOSHIBA_RBTX4927_IRQ_EROR
 //                                                 | TOSHIBA_RBTX4927_IRQ_IOC_INIT
-//                                                 | TOSHIBA_RBTX4927_IRQ_IOC_STARTUP
-//                                                 | TOSHIBA_RBTX4927_IRQ_IOC_SHUTDOWN
 //                                                 | TOSHIBA_RBTX4927_IRQ_IOC_ENABLE
 //                                                 | TOSHIBA_RBTX4927_IRQ_IOC_DISABLE
-//                                                 | TOSHIBA_RBTX4927_IRQ_IOC_MASK
 //                                                 | TOSHIBA_RBTX4927_IRQ_IOC_ENDIRQ
 //                                                 | TOSHIBA_RBTX4927_IRQ_ISA_INIT
-//                                                 | TOSHIBA_RBTX4927_IRQ_ISA_STARTUP
-//                                                 | TOSHIBA_RBTX4927_IRQ_ISA_SHUTDOWN
 //                                                 | TOSHIBA_RBTX4927_IRQ_ISA_ENABLE
 //                                                 | TOSHIBA_RBTX4927_IRQ_ISA_DISABLE
 //                                                 | TOSHIBA_RBTX4927_IRQ_ISA_MASK
@@ -231,35 +221,25 @@ extern void disable_8259A_irq(unsigned int irq);
 extern void mask_and_ack_8259A(unsigned int irq);
 #endif
 
-static unsigned int toshiba_rbtx4927_irq_ioc_startup(unsigned int irq);
-static void toshiba_rbtx4927_irq_ioc_shutdown(unsigned int irq);
 static void toshiba_rbtx4927_irq_ioc_enable(unsigned int irq);
 static void toshiba_rbtx4927_irq_ioc_disable(unsigned int irq);
-static void toshiba_rbtx4927_irq_ioc_mask_and_ack(unsigned int irq);
 static void toshiba_rbtx4927_irq_ioc_end(unsigned int irq);
 
 #ifdef CONFIG_TOSHIBA_FPCIB0
-static unsigned int toshiba_rbtx4927_irq_isa_startup(unsigned int irq);
-static void toshiba_rbtx4927_irq_isa_shutdown(unsigned int irq);
 static void toshiba_rbtx4927_irq_isa_enable(unsigned int irq);
 static void toshiba_rbtx4927_irq_isa_disable(unsigned int irq);
 static void toshiba_rbtx4927_irq_isa_mask_and_ack(unsigned int irq);
 static void toshiba_rbtx4927_irq_isa_end(unsigned int irq);
 #endif
 
-static DEFINE_SPINLOCK(toshiba_rbtx4927_ioc_lock);
-
-
 #define TOSHIBA_RBTX4927_IOC_NAME "RBTX4927-IOC"
 static struct irq_chip toshiba_rbtx4927_irq_ioc_type = {
 	.typename = TOSHIBA_RBTX4927_IOC_NAME,
-	.startup = toshiba_rbtx4927_irq_ioc_startup,
-	.shutdown = toshiba_rbtx4927_irq_ioc_shutdown,
-	.enable = toshiba_rbtx4927_irq_ioc_enable,
-	.disable = toshiba_rbtx4927_irq_ioc_disable,
-	.ack = toshiba_rbtx4927_irq_ioc_mask_and_ack,
+	.ack = toshiba_rbtx4927_irq_ioc_disable,
+	.mask = toshiba_rbtx4927_irq_ioc_disable,
+	.mask_ack = toshiba_rbtx4927_irq_ioc_disable,
+	.unmask = toshiba_rbtx4927_irq_ioc_enable,
 	.end = toshiba_rbtx4927_irq_ioc_end,
-	.set_affinity = NULL
 };
 #define TOSHIBA_RBTX4927_IOC_INTR_ENAB 0xbc002000
 #define TOSHIBA_RBTX4927_IOC_INTR_STAT 0xbc002006
@@ -269,13 +249,11 @@ static struct irq_chip toshiba_rbtx4927_irq_ioc_type = {
 #define TOSHIBA_RBTX4927_ISA_NAME "RBTX4927-ISA"
 static struct irq_chip toshiba_rbtx4927_irq_isa_type = {
 	.typename = TOSHIBA_RBTX4927_ISA_NAME,
-	.startup = toshiba_rbtx4927_irq_isa_startup,
-	.shutdown = toshiba_rbtx4927_irq_isa_shutdown,
-	.enable = toshiba_rbtx4927_irq_isa_enable,
-	.disable = toshiba_rbtx4927_irq_isa_disable,
 	.ack = toshiba_rbtx4927_irq_isa_mask_and_ack,
+	.mask = toshiba_rbtx4927_irq_isa_disable,
+	.mask_ack = toshiba_rbtx4927_irq_isa_mask_and_ack,
+	.unmask = toshiba_rbtx4927_irq_isa_enable,
 	.end = toshiba_rbtx4927_irq_isa_end,
-	.set_affinity = NULL
 };
 #endif
 
@@ -363,58 +341,16 @@ static void __init toshiba_rbtx4927_irq_ioc_init(void)
 				     TOSHIBA_RBTX4927_IRQ_IOC_END);
 
 	for (i = TOSHIBA_RBTX4927_IRQ_IOC_BEG;
-	     i <= TOSHIBA_RBTX4927_IRQ_IOC_END; i++) {
-		irq_desc[i].status = IRQ_DISABLED;
-		irq_desc[i].action = 0;
-		irq_desc[i].depth = 3;
-		irq_desc[i].chip = &toshiba_rbtx4927_irq_ioc_type;
-	}
+	     i <= TOSHIBA_RBTX4927_IRQ_IOC_END; i++)
+		set_irq_chip_and_handler(i, &toshiba_rbtx4927_irq_ioc_type,
+					 handle_level_irq);
 
 	setup_irq(TOSHIBA_RBTX4927_IRQ_NEST_IOC_ON_PIC,
 		  &toshiba_rbtx4927_irq_ioc_action);
-
-	return;
 }
 
-static unsigned int toshiba_rbtx4927_irq_ioc_startup(unsigned int irq)
-{
-	TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_IOC_STARTUP,
-				     "irq=%d\n", irq);
-
-	if (irq < TOSHIBA_RBTX4927_IRQ_IOC_BEG
-	    || irq > TOSHIBA_RBTX4927_IRQ_IOC_END) {
-		TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_EROR,
-					     "bad irq=%d\n", irq);
-		panic("\n");
-	}
-
-	toshiba_rbtx4927_irq_ioc_enable(irq);
-
-	return (0);
-}
-
-
-static void toshiba_rbtx4927_irq_ioc_shutdown(unsigned int irq)
-{
-	TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_IOC_SHUTDOWN,
-				     "irq=%d\n", irq);
-
-	if (irq < TOSHIBA_RBTX4927_IRQ_IOC_BEG
-	    || irq > TOSHIBA_RBTX4927_IRQ_IOC_END) {
-		TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_EROR,
-					     "bad irq=%d\n", irq);
-		panic("\n");
-	}
-
-	toshiba_rbtx4927_irq_ioc_disable(irq);
-
-	return;
-}
-
-
 static void toshiba_rbtx4927_irq_ioc_enable(unsigned int irq)
 {
-	unsigned long flags;
 	volatile unsigned char v;
 
 	TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_IOC_ENABLE,
@@ -427,21 +363,14 @@ static void toshiba_rbtx4927_irq_ioc_enable(unsigned int irq)
 		panic("\n");
 	}
 
-	spin_lock_irqsave(&toshiba_rbtx4927_ioc_lock, flags);
-
 	v = TX4927_RD08(TOSHIBA_RBTX4927_IOC_INTR_ENAB);
 	v |= (1 << (irq - TOSHIBA_RBTX4927_IRQ_IOC_BEG));
 	TOSHIBA_RBTX4927_WR08(TOSHIBA_RBTX4927_IOC_INTR_ENAB, v);
-
-	spin_unlock_irqrestore(&toshiba_rbtx4927_ioc_lock, flags);
-
-	return;
 }
 
 
 static void toshiba_rbtx4927_irq_ioc_disable(unsigned int irq)
 {
-	unsigned long flags;
 	volatile unsigned char v;
 
 	TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_IOC_DISABLE,
@@ -454,36 +383,11 @@ static void toshiba_rbtx4927_irq_ioc_disable(unsigned int irq)
 		panic("\n");
 	}
 
-	spin_lock_irqsave(&toshiba_rbtx4927_ioc_lock, flags);
-
 	v = TX4927_RD08(TOSHIBA_RBTX4927_IOC_INTR_ENAB);
 	v &= ~(1 << (irq - TOSHIBA_RBTX4927_IRQ_IOC_BEG));
 	TOSHIBA_RBTX4927_WR08(TOSHIBA_RBTX4927_IOC_INTR_ENAB, v);
-
-	spin_unlock_irqrestore(&toshiba_rbtx4927_ioc_lock, flags);
-
-	return;
 }
 
-
-static void toshiba_rbtx4927_irq_ioc_mask_and_ack(unsigned int irq)
-{
-	TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_IOC_MASK,
-				     "irq=%d\n", irq);
-
-	if (irq < TOSHIBA_RBTX4927_IRQ_IOC_BEG
-	    || irq > TOSHIBA_RBTX4927_IRQ_IOC_END) {
-		TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_EROR,
-					     "bad irq=%d\n", irq);
-		panic("\n");
-	}
-
-	toshiba_rbtx4927_irq_ioc_disable(irq);
-
-	return;
-}
-
-
 static void toshiba_rbtx4927_irq_ioc_end(unsigned int irq)
 {
 	TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_IOC_ENDIRQ,
@@ -499,8 +403,6 @@ static void toshiba_rbtx4927_irq_ioc_end(unsigned int irq)
 	if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) {
 		toshiba_rbtx4927_irq_ioc_enable(irq);
 	}
-
-	return;
 }
 
 
@@ -520,13 +422,8 @@ static void __init toshiba_rbtx4927_irq_isa_init(void)
 				     TOSHIBA_RBTX4927_IRQ_ISA_END);
 
 	for (i = TOSHIBA_RBTX4927_IRQ_ISA_BEG;
-	     i <= TOSHIBA_RBTX4927_IRQ_ISA_END; i++) {
-		irq_desc[i].status = IRQ_DISABLED;
-		irq_desc[i].action = 0;
-		irq_desc[i].depth =
-		    ((i < TOSHIBA_RBTX4927_IRQ_ISA_MID) ? (4) : (5));
-		irq_desc[i].chip = &toshiba_rbtx4927_irq_isa_type;
-	}
+	     i <= TOSHIBA_RBTX4927_IRQ_ISA_END; i++)
+		set_irq_chip(i, &toshiba_rbtx4927_irq_isa_type);
 
 	setup_irq(TOSHIBA_RBTX4927_IRQ_NEST_ISA_ON_IOC,
 		  &toshiba_rbtx4927_irq_isa_master);
@@ -536,48 +433,6 @@ static void __init toshiba_rbtx4927_irq_isa_init(void)
 	/* make sure we are looking at IRR (not ISR) */
 	outb(0x0A, 0x20);
 	outb(0x0A, 0xA0);
-
-	return;
-}
-#endif
-
-
-#ifdef CONFIG_TOSHIBA_FPCIB0
-static unsigned int toshiba_rbtx4927_irq_isa_startup(unsigned int irq)
-{
-	TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_ISA_STARTUP,
-				     "irq=%d\n", irq);
-
-	if (irq < TOSHIBA_RBTX4927_IRQ_ISA_BEG
-	    || irq > TOSHIBA_RBTX4927_IRQ_ISA_END) {
-		TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_EROR,
-					     "bad irq=%d\n", irq);
-		panic("\n");
-	}
-
-	toshiba_rbtx4927_irq_isa_enable(irq);
-
-	return (0);
-}
-#endif
-
-
-#ifdef CONFIG_TOSHIBA_FPCIB0
-static void toshiba_rbtx4927_irq_isa_shutdown(unsigned int irq)
-{
-	TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_ISA_SHUTDOWN,
-				     "irq=%d\n", irq);
-
-	if (irq < TOSHIBA_RBTX4927_IRQ_ISA_BEG
-	    || irq > TOSHIBA_RBTX4927_IRQ_ISA_END) {
-		TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_EROR,
-					     "bad irq=%d\n", irq);
-		panic("\n");
-	}
-
-	toshiba_rbtx4927_irq_isa_disable(irq);
-
-	return;
 }
 #endif
 
@@ -596,8 +451,6 @@ static void toshiba_rbtx4927_irq_isa_enable(unsigned int irq)
 	}
 
 	enable_8259A_irq(irq);
-
-	return;
 }
 #endif
 
@@ -616,8 +469,6 @@ static void toshiba_rbtx4927_irq_isa_disable(unsigned int irq)
 	}
 
 	disable_8259A_irq(irq);
-
-	return;
 }
 #endif
 
@@ -636,8 +487,6 @@ static void toshiba_rbtx4927_irq_isa_mask_and_ack(unsigned int irq)
 	}
 
 	mask_and_ack_8259A(irq);
-
-	return;
 }
 #endif
 
@@ -658,8 +507,6 @@ static void toshiba_rbtx4927_irq_isa_end(unsigned int irq)
 	if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) {
 		toshiba_rbtx4927_irq_isa_enable(irq);
 	}
-
-	return;
 }
 #endif
 
@@ -668,8 +515,6 @@ void __init arch_init_irq(void)
 {
 	extern void tx4927_irq_init(void);
 
-	local_irq_disable();
-
 	tx4927_irq_init();
 	toshiba_rbtx4927_irq_ioc_init();
 #ifdef CONFIG_TOSHIBA_FPCIB0
@@ -681,8 +526,6 @@ void __init arch_init_irq(void)
 #endif
 
 	wbflush();
-
-	return;
 }
 
 void toshiba_rbtx4927_irq_dump(char *key)
@@ -715,7 +558,6 @@ void toshiba_rbtx4927_irq_dump(char *key)
 		}
 	}
 #endif
-	return;
 }
 
 void toshiba_rbtx4927_irq_dump_pics(char *s)
@@ -780,6 +622,4 @@ void toshiba_rbtx4927_irq_dump_pics(char *s)
 				     level5_s);
 	TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_INFO, "[%s]\n",
 				     s);
-
-	return;
 }