diff options
Diffstat (limited to 'arch/mips/kernel/irq-rm9000.c')
-rw-r--r-- | arch/mips/kernel/irq-rm9000.c | 45 |
1 files changed, 11 insertions, 34 deletions
diff --git a/arch/mips/kernel/irq-rm9000.c b/arch/mips/kernel/irq-rm9000.c index 62f011ba97a2..977538445cf3 100644 --- a/arch/mips/kernel/irq-rm9000.c +++ b/arch/mips/kernel/irq-rm9000.c | |||
@@ -48,15 +48,6 @@ static void rm9k_cpu_irq_disable(unsigned int irq) | |||
48 | local_irq_restore(flags); | 48 | local_irq_restore(flags); |
49 | } | 49 | } |
50 | 50 | ||
51 | static unsigned int rm9k_cpu_irq_startup(unsigned int irq) | ||
52 | { | ||
53 | rm9k_cpu_irq_enable(irq); | ||
54 | |||
55 | return 0; | ||
56 | } | ||
57 | |||
58 | #define rm9k_cpu_irq_shutdown rm9k_cpu_irq_disable | ||
59 | |||
60 | /* | 51 | /* |
61 | * Performance counter interrupts are global on all processors. | 52 | * Performance counter interrupts are global on all processors. |
62 | */ | 53 | */ |
@@ -89,16 +80,6 @@ static void rm9k_perfcounter_irq_shutdown(unsigned int irq) | |||
89 | on_each_cpu(local_rm9k_perfcounter_irq_shutdown, (void *) irq, 0, 1); | 80 | on_each_cpu(local_rm9k_perfcounter_irq_shutdown, (void *) irq, 0, 1); |
90 | } | 81 | } |
91 | 82 | ||
92 | |||
93 | /* | ||
94 | * While we ack the interrupt interrupts are disabled and thus we don't need | ||
95 | * to deal with concurrency issues. Same for rm9k_cpu_irq_end. | ||
96 | */ | ||
97 | static void rm9k_cpu_irq_ack(unsigned int irq) | ||
98 | { | ||
99 | mask_rm9k_irq(irq); | ||
100 | } | ||
101 | |||
102 | static void rm9k_cpu_irq_end(unsigned int irq) | 83 | static void rm9k_cpu_irq_end(unsigned int irq) |
103 | { | 84 | { |
104 | if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) | 85 | if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) |
@@ -107,11 +88,10 @@ static void rm9k_cpu_irq_end(unsigned int irq) | |||
107 | 88 | ||
108 | static struct irq_chip rm9k_irq_controller = { | 89 | static struct irq_chip rm9k_irq_controller = { |
109 | .typename = "RM9000", | 90 | .typename = "RM9000", |
110 | .startup = rm9k_cpu_irq_startup, | 91 | .ack = mask_rm9k_irq, |
111 | .shutdown = rm9k_cpu_irq_shutdown, | 92 | .mask = mask_rm9k_irq, |
112 | .enable = rm9k_cpu_irq_enable, | 93 | .mask_ack = mask_rm9k_irq, |
113 | .disable = rm9k_cpu_irq_disable, | 94 | .unmask = unmask_rm9k_irq, |
114 | .ack = rm9k_cpu_irq_ack, | ||
115 | .end = rm9k_cpu_irq_end, | 95 | .end = rm9k_cpu_irq_end, |
116 | }; | 96 | }; |
117 | 97 | ||
@@ -119,9 +99,10 @@ static struct irq_chip rm9k_perfcounter_irq = { | |||
119 | .typename = "RM9000", | 99 | .typename = "RM9000", |
120 | .startup = rm9k_perfcounter_irq_startup, | 100 | .startup = rm9k_perfcounter_irq_startup, |
121 | .shutdown = rm9k_perfcounter_irq_shutdown, | 101 | .shutdown = rm9k_perfcounter_irq_shutdown, |
122 | .enable = rm9k_cpu_irq_enable, | 102 | .ack = mask_rm9k_irq, |
123 | .disable = rm9k_cpu_irq_disable, | 103 | .mask = mask_rm9k_irq, |
124 | .ack = rm9k_cpu_irq_ack, | 104 | .mask_ack = mask_rm9k_irq, |
105 | .unmask = unmask_rm9k_irq, | ||
125 | .end = rm9k_cpu_irq_end, | 106 | .end = rm9k_cpu_irq_end, |
126 | }; | 107 | }; |
127 | 108 | ||
@@ -135,15 +116,11 @@ void __init rm9k_cpu_irq_init(int base) | |||
135 | 116 | ||
136 | clear_c0_intcontrol(0x0000f000); /* Mask all */ | 117 | clear_c0_intcontrol(0x0000f000); /* Mask all */ |
137 | 118 | ||
138 | for (i = base; i < base + 4; i++) { | 119 | for (i = base; i < base + 4; i++) |
139 | irq_desc[i].status = IRQ_DISABLED; | 120 | set_irq_chip(i, &rm9k_irq_controller); |
140 | irq_desc[i].action = NULL; | ||
141 | irq_desc[i].depth = 1; | ||
142 | irq_desc[i].chip = &rm9k_irq_controller; | ||
143 | } | ||
144 | 121 | ||
145 | rm9000_perfcount_irq = base + 1; | 122 | rm9000_perfcount_irq = base + 1; |
146 | irq_desc[rm9000_perfcount_irq].chip = &rm9k_perfcounter_irq; | 123 | set_irq_chip(rm9000_perfcount_irq, &rm9k_perfcounter_irq); |
147 | 124 | ||
148 | irq_base = base; | 125 | irq_base = base; |
149 | } | 126 | } |