diff options
Diffstat (limited to 'arch/mips/kernel/irq_cpu.c')
| -rw-r--r-- | arch/mips/kernel/irq_cpu.c | 75 | 
1 files changed, 12 insertions, 63 deletions
diff --git a/arch/mips/kernel/irq_cpu.c b/arch/mips/kernel/irq_cpu.c index 9bb21c7f214..3b7cfa407e8 100644 --- a/arch/mips/kernel/irq_cpu.c +++ b/arch/mips/kernel/irq_cpu.c @@ -50,44 +50,6 @@ static inline void mask_mips_irq(unsigned int irq)  	irq_disable_hazard();  } -static inline void mips_cpu_irq_enable(unsigned int irq) -{ -	unsigned long flags; - -	local_irq_save(flags); -	unmask_mips_irq(irq); -	back_to_back_c0_hazard(); -	local_irq_restore(flags); -} - -static void mips_cpu_irq_disable(unsigned int irq) -{ -	unsigned long flags; - -	local_irq_save(flags); -	mask_mips_irq(irq); -	back_to_back_c0_hazard(); -	local_irq_restore(flags); -} - -static unsigned int mips_cpu_irq_startup(unsigned int irq) -{ -	mips_cpu_irq_enable(irq); - -	return 0; -} - -#define	mips_cpu_irq_shutdown		mips_cpu_irq_disable - -/* - * While we ack the interrupt interrupts are disabled and thus we don't need - * to deal with concurrency issues.  Same for mips_cpu_irq_end. - */ -static void mips_cpu_irq_ack(unsigned int irq) -{ -	mask_mips_irq(irq); -} -  static void mips_cpu_irq_end(unsigned int irq)  {  	if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) @@ -96,11 +58,10 @@ static void mips_cpu_irq_end(unsigned int irq)  static struct irq_chip mips_cpu_irq_controller = {  	.typename	= "MIPS", -	.startup	= mips_cpu_irq_startup, -	.shutdown	= mips_cpu_irq_shutdown, -	.enable		= mips_cpu_irq_enable, -	.disable	= mips_cpu_irq_disable, -	.ack		= mips_cpu_irq_ack, +	.ack		= mask_mips_irq, +	.mask		= mask_mips_irq, +	.mask_ack	= mask_mips_irq, +	.unmask		= unmask_mips_irq,  	.end		= mips_cpu_irq_end,  }; @@ -110,8 +71,6 @@ static struct irq_chip mips_cpu_irq_controller = {  #define unmask_mips_mt_irq	unmask_mips_irq  #define mask_mips_mt_irq	mask_mips_irq -#define mips_mt_cpu_irq_enable	mips_cpu_irq_enable -#define mips_mt_cpu_irq_disable	mips_cpu_irq_disable  static unsigned int mips_mt_cpu_irq_startup(unsigned int irq)  { @@ -119,13 +78,11 @@ static unsigned int mips_mt_cpu_irq_startup(unsigned int irq)  	clear_c0_cause(0x100 << (irq - mips_cpu_irq_base));  	evpe(vpflags); -	mips_mt_cpu_irq_enable(irq); +	unmask_mips_mt_irq(irq);  	return 0;  } -#define	mips_mt_cpu_irq_shutdown	mips_mt_cpu_irq_disable -  /*   * While we ack the interrupt interrupts are disabled and thus we don't need   * to deal with concurrency issues.  Same for mips_cpu_irq_end. @@ -143,10 +100,10 @@ static void mips_mt_cpu_irq_ack(unsigned int irq)  static struct irq_chip mips_mt_cpu_irq_controller = {  	.typename	= "MIPS",  	.startup	= mips_mt_cpu_irq_startup, -	.shutdown	= mips_mt_cpu_irq_shutdown, -	.enable		= mips_mt_cpu_irq_enable, -	.disable	= mips_mt_cpu_irq_disable,  	.ack		= mips_mt_cpu_irq_ack, +	.mask		= mask_mips_mt_irq, +	.mask_ack	= mips_mt_cpu_irq_ack, +	.unmask		= unmask_mips_mt_irq,  	.end		= mips_mt_cpu_irq_end,  }; @@ -163,19 +120,11 @@ void __init mips_cpu_irq_init(int irq_base)  	 * leave them uninitialized for other processors.  	 */  	if (cpu_has_mipsmt) -		for (i = irq_base; i < irq_base + 2; i++) { -			irq_desc[i].status = IRQ_DISABLED; -			irq_desc[i].action = NULL; -			irq_desc[i].depth = 1; -			irq_desc[i].chip = &mips_mt_cpu_irq_controller; -		} +		for (i = irq_base; i < irq_base + 2; i++) +			set_irq_chip(i, &mips_mt_cpu_irq_controller); -	for (i = irq_base + 2; i < irq_base + 8; i++) { -		irq_desc[i].status = IRQ_DISABLED; -		irq_desc[i].action = NULL; -		irq_desc[i].depth = 1; -		irq_desc[i].chip = &mips_cpu_irq_controller; -	} +	for (i = irq_base + 2; i < irq_base + 8; i++) +		set_irq_chip(i, &mips_cpu_irq_controller);  	mips_cpu_irq_base = irq_base;  }  |