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authorThomas Gleixner <tglx@linutronix.de>2011-02-06 09:32:28 -0500
committerMatt Turner <mattst88@gmail.com>2011-03-02 14:57:55 -0500
commitff53afe66a3ab5614309a4193df72c82ec3bb984 (patch)
tree59e65c6069a0bd4277fb2ba118cc146c8d6d8c0b /arch/alpha/kernel
parent35252254cbd89191f381bb5454b3bdfb939e9d31 (diff)
alpha: i8259, alcor, jensen wildfire: Convert irq_chip
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Matt Turner <mattst88@gmail.com>
Diffstat (limited to 'arch/alpha/kernel')
-rw-r--r--arch/alpha/kernel/irq_i8259.c18
-rw-r--r--arch/alpha/kernel/irq_impl.h8
-rw-r--r--arch/alpha/kernel/sys_alcor.c28
-rw-r--r--arch/alpha/kernel/sys_jensen.c24
-rw-r--r--arch/alpha/kernel/sys_wildfire.c32
5 files changed, 58 insertions, 52 deletions
diff --git a/arch/alpha/kernel/irq_i8259.c b/arch/alpha/kernel/irq_i8259.c
index 956ea0ed1694..c7cc9813e45f 100644
--- a/arch/alpha/kernel/irq_i8259.c
+++ b/arch/alpha/kernel/irq_i8259.c
@@ -33,10 +33,10 @@ i8259_update_irq_hw(unsigned int irq, unsigned long mask)
33} 33}
34 34
35inline void 35inline void
36i8259a_enable_irq(unsigned int irq) 36i8259a_enable_irq(struct irq_data *d)
37{ 37{
38 spin_lock(&i8259_irq_lock); 38 spin_lock(&i8259_irq_lock);
39 i8259_update_irq_hw(irq, cached_irq_mask &= ~(1 << irq)); 39 i8259_update_irq_hw(d->irq, cached_irq_mask &= ~(1 << d->irq));
40 spin_unlock(&i8259_irq_lock); 40 spin_unlock(&i8259_irq_lock);
41} 41}
42 42
@@ -47,16 +47,18 @@ __i8259a_disable_irq(unsigned int irq)
47} 47}
48 48
49void 49void
50i8259a_disable_irq(unsigned int irq) 50i8259a_disable_irq(struct irq_data *d)
51{ 51{
52 spin_lock(&i8259_irq_lock); 52 spin_lock(&i8259_irq_lock);
53 __i8259a_disable_irq(irq); 53 __i8259a_disable_irq(d->irq);
54 spin_unlock(&i8259_irq_lock); 54 spin_unlock(&i8259_irq_lock);
55} 55}
56 56
57void 57void
58i8259a_mask_and_ack_irq(unsigned int irq) 58i8259a_mask_and_ack_irq(struct irq_data *d)
59{ 59{
60 unsigned int irq = d->irq;
61
60 spin_lock(&i8259_irq_lock); 62 spin_lock(&i8259_irq_lock);
61 __i8259a_disable_irq(irq); 63 __i8259a_disable_irq(irq);
62 64
@@ -71,9 +73,9 @@ i8259a_mask_and_ack_irq(unsigned int irq)
71 73
72struct irq_chip i8259a_irq_type = { 74struct irq_chip i8259a_irq_type = {
73 .name = "XT-PIC", 75 .name = "XT-PIC",
74 .unmask = i8259a_enable_irq, 76 .irq_unmask = i8259a_enable_irq,
75 .mask = i8259a_disable_irq, 77 .irq_mask = i8259a_disable_irq,
76 .mask_ack = i8259a_mask_and_ack_irq, 78 .irq_mask_ack = i8259a_mask_and_ack_irq,
77}; 79};
78 80
79void __init 81void __init
diff --git a/arch/alpha/kernel/irq_impl.h b/arch/alpha/kernel/irq_impl.h
index b63ccd7386f1..d507a234b05d 100644
--- a/arch/alpha/kernel/irq_impl.h
+++ b/arch/alpha/kernel/irq_impl.h
@@ -31,11 +31,9 @@ extern void init_rtc_irq(void);
31 31
32extern void common_init_isa_dma(void); 32extern void common_init_isa_dma(void);
33 33
34extern void i8259a_enable_irq(unsigned int); 34extern void i8259a_enable_irq(struct irq_data *d);
35extern void i8259a_disable_irq(unsigned int); 35extern void i8259a_disable_irq(struct irq_data *d);
36extern void i8259a_mask_and_ack_irq(unsigned int); 36extern void i8259a_mask_and_ack_irq(struct irq_data *d);
37extern unsigned int i8259a_startup_irq(unsigned int);
38extern void i8259a_end_irq(unsigned int);
39extern struct irq_chip i8259a_irq_type; 37extern struct irq_chip i8259a_irq_type;
40extern void init_i8259a_irqs(void); 38extern void init_i8259a_irqs(void);
41 39
diff --git a/arch/alpha/kernel/sys_alcor.c b/arch/alpha/kernel/sys_alcor.c
index 7bef61768236..88d95e872f55 100644
--- a/arch/alpha/kernel/sys_alcor.c
+++ b/arch/alpha/kernel/sys_alcor.c
@@ -44,31 +44,31 @@ alcor_update_irq_hw(unsigned long mask)
44} 44}
45 45
46static inline void 46static inline void
47alcor_enable_irq(unsigned int irq) 47alcor_enable_irq(struct irq_data *d)
48{ 48{
49 alcor_update_irq_hw(cached_irq_mask |= 1UL << (irq - 16)); 49 alcor_update_irq_hw(cached_irq_mask |= 1UL << (d->irq - 16));
50} 50}
51 51
52static void 52static void
53alcor_disable_irq(unsigned int irq) 53alcor_disable_irq(struct irq_data *d)
54{ 54{
55 alcor_update_irq_hw(cached_irq_mask &= ~(1UL << (irq - 16))); 55 alcor_update_irq_hw(cached_irq_mask &= ~(1UL << (d->irq - 16)));
56} 56}
57 57
58static void 58static void
59alcor_mask_and_ack_irq(unsigned int irq) 59alcor_mask_and_ack_irq(struct irq_data *d)
60{ 60{
61 alcor_disable_irq(irq); 61 alcor_disable_irq(d);
62 62
63 /* On ALCOR/XLT, need to dismiss interrupt via GRU. */ 63 /* On ALCOR/XLT, need to dismiss interrupt via GRU. */
64 *(vuip)GRU_INT_CLEAR = 1 << (irq - 16); mb(); 64 *(vuip)GRU_INT_CLEAR = 1 << (d->irq - 16); mb();
65 *(vuip)GRU_INT_CLEAR = 0; mb(); 65 *(vuip)GRU_INT_CLEAR = 0; mb();
66} 66}
67 67
68static void 68static void
69alcor_isa_mask_and_ack_irq(unsigned int irq) 69alcor_isa_mask_and_ack_irq(struct irq_data *d)
70{ 70{
71 i8259a_mask_and_ack_irq(irq); 71 i8259a_mask_and_ack_irq(d);
72 72
73 /* On ALCOR/XLT, need to dismiss interrupt via GRU. */ 73 /* On ALCOR/XLT, need to dismiss interrupt via GRU. */
74 *(vuip)GRU_INT_CLEAR = 0x80000000; mb(); 74 *(vuip)GRU_INT_CLEAR = 0x80000000; mb();
@@ -77,9 +77,9 @@ alcor_isa_mask_and_ack_irq(unsigned int irq)
77 77
78static struct irq_chip alcor_irq_type = { 78static struct irq_chip alcor_irq_type = {
79 .name = "ALCOR", 79 .name = "ALCOR",
80 .unmask = alcor_enable_irq, 80 .irq_unmask = alcor_enable_irq,
81 .mask = alcor_disable_irq, 81 .irq_mask = alcor_disable_irq,
82 .mask_ack = alcor_mask_and_ack_irq, 82 .irq_mask_ack = alcor_mask_and_ack_irq,
83}; 83};
84 84
85static void 85static void
@@ -126,9 +126,9 @@ alcor_init_irq(void)
126 if (i >= 16+20 && i <= 16+30) 126 if (i >= 16+20 && i <= 16+30)
127 continue; 127 continue;
128 set_irq_chip_and_handler(i, &alcor_irq_type, handle_level_irq); 128 set_irq_chip_and_handler(i, &alcor_irq_type, handle_level_irq);
129 irq_to_desc(i)->status |= IRQ_LEVEL; 129 irq_set_status_flags(i, IRQ_LEVEL);
130 } 130 }
131 i8259a_irq_type.ack = alcor_isa_mask_and_ack_irq; 131 i8259a_irq_type.irq_ack = alcor_isa_mask_and_ack_irq;
132 132
133 init_i8259a_irqs(); 133 init_i8259a_irqs();
134 common_init_isa_dma(); 134 common_init_isa_dma();
diff --git a/arch/alpha/kernel/sys_jensen.c b/arch/alpha/kernel/sys_jensen.c
index 34f55e03d331..00341b75c8b2 100644
--- a/arch/alpha/kernel/sys_jensen.c
+++ b/arch/alpha/kernel/sys_jensen.c
@@ -63,34 +63,34 @@
63 */ 63 */
64 64
65static void 65static void
66jensen_local_enable(unsigned int irq) 66jensen_local_enable(struct irq_data *d)
67{ 67{
68 /* the parport is really hw IRQ 1, silly Jensen. */ 68 /* the parport is really hw IRQ 1, silly Jensen. */
69 if (irq == 7) 69 if (d->irq == 7)
70 i8259a_enable_irq(1); 70 i8259a_enable_irq(d);
71} 71}
72 72
73static void 73static void
74jensen_local_disable(unsigned int irq) 74jensen_local_disable(struct irq_data *d)
75{ 75{
76 /* the parport is really hw IRQ 1, silly Jensen. */ 76 /* the parport is really hw IRQ 1, silly Jensen. */
77 if (irq == 7) 77 if (d->irq == 7)
78 i8259a_disable_irq(1); 78 i8259a_disable_irq(d);
79} 79}
80 80
81static void 81static void
82jensen_local_mask_ack(unsigned int irq) 82jensen_local_mask_ack(struct irq_data *d)
83{ 83{
84 /* the parport is really hw IRQ 1, silly Jensen. */ 84 /* the parport is really hw IRQ 1, silly Jensen. */
85 if (irq == 7) 85 if (d->irq == 7)
86 i8259a_mask_and_ack_irq(1); 86 i8259a_mask_and_ack_irq(d);
87} 87}
88 88
89static struct irq_chip jensen_local_irq_type = { 89static struct irq_chip jensen_local_irq_type = {
90 .name = "LOCAL", 90 .name = "LOCAL",
91 .unmask = jensen_local_enable, 91 .irq_unmask = jensen_local_enable,
92 .mask = jensen_local_disable, 92 .irq_mask = jensen_local_disable,
93 .mask_ack = jensen_local_mask_ack, 93 .irq_mask_ack = jensen_local_mask_ack,
94}; 94};
95 95
96static void 96static void
diff --git a/arch/alpha/kernel/sys_wildfire.c b/arch/alpha/kernel/sys_wildfire.c
index eec52594d410..ca60a387ef0a 100644
--- a/arch/alpha/kernel/sys_wildfire.c
+++ b/arch/alpha/kernel/sys_wildfire.c
@@ -104,10 +104,12 @@ wildfire_init_irq_hw(void)
104} 104}
105 105
106static void 106static void
107wildfire_enable_irq(unsigned int irq) 107wildfire_enable_irq(struct irq_data *d)
108{ 108{
109 unsigned int irq = d->irq;
110
109 if (irq < 16) 111 if (irq < 16)
110 i8259a_enable_irq(irq); 112 i8259a_enable_irq(d);
111 113
112 spin_lock(&wildfire_irq_lock); 114 spin_lock(&wildfire_irq_lock);
113 set_bit(irq, &cached_irq_mask); 115 set_bit(irq, &cached_irq_mask);
@@ -116,10 +118,12 @@ wildfire_enable_irq(unsigned int irq)
116} 118}
117 119
118static void 120static void
119wildfire_disable_irq(unsigned int irq) 121wildfire_disable_irq(struct irq_data *d)
120{ 122{
123 unsigned int irq = d->irq;
124
121 if (irq < 16) 125 if (irq < 16)
122 i8259a_disable_irq(irq); 126 i8259a_disable_irq(d);
123 127
124 spin_lock(&wildfire_irq_lock); 128 spin_lock(&wildfire_irq_lock);
125 clear_bit(irq, &cached_irq_mask); 129 clear_bit(irq, &cached_irq_mask);
@@ -128,10 +132,12 @@ wildfire_disable_irq(unsigned int irq)
128} 132}
129 133
130static void 134static void
131wildfire_mask_and_ack_irq(unsigned int irq) 135wildfire_mask_and_ack_irq(struct irq_data *d)
132{ 136{
137 unsigned int irq = d->irq;
138
133 if (irq < 16) 139 if (irq < 16)
134 i8259a_mask_and_ack_irq(irq); 140 i8259a_mask_and_ack_irq(d);
135 141
136 spin_lock(&wildfire_irq_lock); 142 spin_lock(&wildfire_irq_lock);
137 clear_bit(irq, &cached_irq_mask); 143 clear_bit(irq, &cached_irq_mask);
@@ -141,9 +147,9 @@ wildfire_mask_and_ack_irq(unsigned int irq)
141 147
142static struct irq_chip wildfire_irq_type = { 148static struct irq_chip wildfire_irq_type = {
143 .name = "WILDFIRE", 149 .name = "WILDFIRE",
144 .unmask = wildfire_enable_irq, 150 .irq_unmask = wildfire_enable_irq,
145 .mask = wildfire_disable_irq, 151 .irq_mask = wildfire_disable_irq,
146 .mask_ack = wildfire_mask_and_ack_irq, 152 .irq_mask_ack = wildfire_mask_and_ack_irq,
147}; 153};
148 154
149static void __init 155static void __init
@@ -177,21 +183,21 @@ wildfire_init_irq_per_pca(int qbbno, int pcano)
177 for (i = 0; i < 16; ++i) { 183 for (i = 0; i < 16; ++i) {
178 if (i == 2) 184 if (i == 2)
179 continue; 185 continue;
180 irq_to_desc(i+irq_bias)->status |= IRQ_LEVEL;
181 set_irq_chip_and_handler(i+irq_bias, &wildfire_irq_type, 186 set_irq_chip_and_handler(i+irq_bias, &wildfire_irq_type,
182 handle_level_irq); 187 handle_level_irq);
188 irq_set_status_flags(i + irq_bias, IRQ_LEVEL);
183 } 189 }
184 190
185 irq_to_desc(36+irq_bias)->status |= IRQ_LEVEL;
186 set_irq_chip_and_handler(36+irq_bias, &wildfire_irq_type, 191 set_irq_chip_and_handler(36+irq_bias, &wildfire_irq_type,
187 handle_level_irq); 192 handle_level_irq);
193 irq_set_status_flags(36 + irq_bias, IRQ_LEVEL);
188 for (i = 40; i < 64; ++i) { 194 for (i = 40; i < 64; ++i) {
189 irq_to_desc(i+irq_bias)->status |= IRQ_LEVEL;
190 set_irq_chip_and_handler(i+irq_bias, &wildfire_irq_type, 195 set_irq_chip_and_handler(i+irq_bias, &wildfire_irq_type,
191 handle_level_irq); 196 handle_level_irq);
197 irq_set_status_flags(i + irq_bias, IRQ_LEVEL);
192 } 198 }
193 199
194 setup_irq(32+irq_bias, &isa_enable); 200 setup_irq(32+irq_bias, &isa_enable);
195} 201}
196 202
197static void __init 203static void __init