diff options
Diffstat (limited to 'arch/mips/sgi-ip22/ip22-eisa.c')
-rw-r--r-- | arch/mips/sgi-ip22/ip22-eisa.c | 33 |
1 files changed, 8 insertions, 25 deletions
diff --git a/arch/mips/sgi-ip22/ip22-eisa.c b/arch/mips/sgi-ip22/ip22-eisa.c index 0d18ed47c47a..a1a9af6da7bf 100644 --- a/arch/mips/sgi-ip22/ip22-eisa.c +++ b/arch/mips/sgi-ip22/ip22-eisa.c | |||
@@ -95,16 +95,11 @@ static irqreturn_t ip22_eisa_intr(int irq, void *dev_id) | |||
95 | 95 | ||
96 | static void enable_eisa1_irq(unsigned int irq) | 96 | static void enable_eisa1_irq(unsigned int irq) |
97 | { | 97 | { |
98 | unsigned long flags; | ||
99 | u8 mask; | 98 | u8 mask; |
100 | 99 | ||
101 | local_irq_save(flags); | ||
102 | |||
103 | mask = inb(EISA_INT1_MASK); | 100 | mask = inb(EISA_INT1_MASK); |
104 | mask &= ~((u8) (1 << irq)); | 101 | mask &= ~((u8) (1 << irq)); |
105 | outb(mask, EISA_INT1_MASK); | 102 | outb(mask, EISA_INT1_MASK); |
106 | |||
107 | local_irq_restore(flags); | ||
108 | } | 103 | } |
109 | 104 | ||
110 | static unsigned int startup_eisa1_irq(unsigned int irq) | 105 | static unsigned int startup_eisa1_irq(unsigned int irq) |
@@ -130,8 +125,6 @@ static void disable_eisa1_irq(unsigned int irq) | |||
130 | outb(mask, EISA_INT1_MASK); | 125 | outb(mask, EISA_INT1_MASK); |
131 | } | 126 | } |
132 | 127 | ||
133 | #define shutdown_eisa1_irq disable_eisa1_irq | ||
134 | |||
135 | static void mask_and_ack_eisa1_irq(unsigned int irq) | 128 | static void mask_and_ack_eisa1_irq(unsigned int irq) |
136 | { | 129 | { |
137 | disable_eisa1_irq(irq); | 130 | disable_eisa1_irq(irq); |
@@ -148,25 +141,20 @@ static void end_eisa1_irq(unsigned int irq) | |||
148 | static struct irq_chip ip22_eisa1_irq_type = { | 141 | static struct irq_chip ip22_eisa1_irq_type = { |
149 | .typename = "IP22 EISA", | 142 | .typename = "IP22 EISA", |
150 | .startup = startup_eisa1_irq, | 143 | .startup = startup_eisa1_irq, |
151 | .shutdown = shutdown_eisa1_irq, | ||
152 | .enable = enable_eisa1_irq, | ||
153 | .disable = disable_eisa1_irq, | ||
154 | .ack = mask_and_ack_eisa1_irq, | 144 | .ack = mask_and_ack_eisa1_irq, |
145 | .mask = disable_eisa1_irq, | ||
146 | .mask_ack = mask_and_ack_eisa1_irq, | ||
147 | .unmask = enable_eisa1_irq, | ||
155 | .end = end_eisa1_irq, | 148 | .end = end_eisa1_irq, |
156 | }; | 149 | }; |
157 | 150 | ||
158 | static void enable_eisa2_irq(unsigned int irq) | 151 | static void enable_eisa2_irq(unsigned int irq) |
159 | { | 152 | { |
160 | unsigned long flags; | ||
161 | u8 mask; | 153 | u8 mask; |
162 | 154 | ||
163 | local_irq_save(flags); | ||
164 | |||
165 | mask = inb(EISA_INT2_MASK); | 155 | mask = inb(EISA_INT2_MASK); |
166 | mask &= ~((u8) (1 << (irq - 8))); | 156 | mask &= ~((u8) (1 << (irq - 8))); |
167 | outb(mask, EISA_INT2_MASK); | 157 | outb(mask, EISA_INT2_MASK); |
168 | |||
169 | local_irq_restore(flags); | ||
170 | } | 158 | } |
171 | 159 | ||
172 | static unsigned int startup_eisa2_irq(unsigned int irq) | 160 | static unsigned int startup_eisa2_irq(unsigned int irq) |
@@ -192,8 +180,6 @@ static void disable_eisa2_irq(unsigned int irq) | |||
192 | outb(mask, EISA_INT2_MASK); | 180 | outb(mask, EISA_INT2_MASK); |
193 | } | 181 | } |
194 | 182 | ||
195 | #define shutdown_eisa2_irq disable_eisa2_irq | ||
196 | |||
197 | static void mask_and_ack_eisa2_irq(unsigned int irq) | 183 | static void mask_and_ack_eisa2_irq(unsigned int irq) |
198 | { | 184 | { |
199 | disable_eisa2_irq(irq); | 185 | disable_eisa2_irq(irq); |
@@ -210,10 +196,10 @@ static void end_eisa2_irq(unsigned int irq) | |||
210 | static struct irq_chip ip22_eisa2_irq_type = { | 196 | static struct irq_chip ip22_eisa2_irq_type = { |
211 | .typename = "IP22 EISA", | 197 | .typename = "IP22 EISA", |
212 | .startup = startup_eisa2_irq, | 198 | .startup = startup_eisa2_irq, |
213 | .shutdown = shutdown_eisa2_irq, | ||
214 | .enable = enable_eisa2_irq, | ||
215 | .disable = disable_eisa2_irq, | ||
216 | .ack = mask_and_ack_eisa2_irq, | 199 | .ack = mask_and_ack_eisa2_irq, |
200 | .mask = disable_eisa2_irq, | ||
201 | .mask_ack = mask_and_ack_eisa2_irq, | ||
202 | .unmask = enable_eisa2_irq, | ||
217 | .end = end_eisa2_irq, | 203 | .end = end_eisa2_irq, |
218 | }; | 204 | }; |
219 | 205 | ||
@@ -275,13 +261,10 @@ int __init ip22_eisa_init(void) | |||
275 | outb(0, EISA_DMA2_WRITE_SINGLE); | 261 | outb(0, EISA_DMA2_WRITE_SINGLE); |
276 | 262 | ||
277 | for (i = SGINT_EISA; i < (SGINT_EISA + EISA_MAX_IRQ); i++) { | 263 | for (i = SGINT_EISA; i < (SGINT_EISA + EISA_MAX_IRQ); i++) { |
278 | irq_desc[i].status = IRQ_DISABLED; | ||
279 | irq_desc[i].action = 0; | ||
280 | irq_desc[i].depth = 1; | ||
281 | if (i < (SGINT_EISA + 8)) | 264 | if (i < (SGINT_EISA + 8)) |
282 | irq_desc[i].chip = &ip22_eisa1_irq_type; | 265 | set_irq_chip(i, &ip22_eisa1_irq_type); |
283 | else | 266 | else |
284 | irq_desc[i].chip = &ip22_eisa2_irq_type; | 267 | set_irq_chip(i, &ip22_eisa2_irq_type); |
285 | } | 268 | } |
286 | 269 | ||
287 | /* Cannot use request_irq because of kmalloc not being ready at such | 270 | /* Cannot use request_irq because of kmalloc not being ready at such |