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authorThomas Gleixner <tglx@linutronix.de>2011-03-23 17:08:58 -0400
committerRalf Baechle <ralf@linux-mips.org>2011-03-25 13:45:16 -0400
commit161d049e8c6435284a792cbd00d420a506edd2cb (patch)
tree7f84c4b67f5116fb8379d6d70e1f7cd3f49e8e63 /arch/mips/kernel
parent7c8d948f1633da5ff81e4f5b31ef237d74c40127 (diff)
MIPS: GIC: Convert to new irq_chip functions
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> To: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/2186/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/kernel')
-rw-r--r--arch/mips/kernel/irq-gic.c43
1 files changed, 18 insertions, 25 deletions
diff --git a/arch/mips/kernel/irq-gic.c b/arch/mips/kernel/irq-gic.c
index 1774271af848..43cd9628251a 100644
--- a/arch/mips/kernel/irq-gic.c
+++ b/arch/mips/kernel/irq-gic.c
@@ -87,17 +87,10 @@ unsigned int gic_get_int(void)
87 return i; 87 return i;
88} 88}
89 89
90static unsigned int gic_irq_startup(unsigned int irq) 90static void gic_irq_ack(struct irq_data *d)
91{ 91{
92 irq -= _irqbase; 92 unsigned int irq = d->irq - _irqbase;
93 pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq);
94 GIC_SET_INTR_MASK(irq);
95 return 0;
96}
97 93
98static void gic_irq_ack(unsigned int irq)
99{
100 irq -= _irqbase;
101 pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq); 94 pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq);
102 GIC_CLR_INTR_MASK(irq); 95 GIC_CLR_INTR_MASK(irq);
103 96
@@ -105,16 +98,16 @@ static void gic_irq_ack(unsigned int irq)
105 GICWRITE(GIC_REG(SHARED, GIC_SH_WEDGE), irq); 98 GICWRITE(GIC_REG(SHARED, GIC_SH_WEDGE), irq);
106} 99}
107 100
108static void gic_mask_irq(unsigned int irq) 101static void gic_mask_irq(struct irq_data *d)
109{ 102{
110 irq -= _irqbase; 103 unsigned int irq = d->irq - _irqbase;
111 pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq); 104 pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq);
112 GIC_CLR_INTR_MASK(irq); 105 GIC_CLR_INTR_MASK(irq);
113} 106}
114 107
115static void gic_unmask_irq(unsigned int irq) 108static void gic_unmask_irq(struct irq_data *d)
116{ 109{
117 irq -= _irqbase; 110 unsigned int irq = d->irq - _irqbase;
118 pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq); 111 pr_debug("CPU%d: %s: irq%d\n", smp_processor_id(), __func__, irq);
119 GIC_SET_INTR_MASK(irq); 112 GIC_SET_INTR_MASK(irq);
120} 113}
@@ -123,13 +116,14 @@ static void gic_unmask_irq(unsigned int irq)
123 116
124static DEFINE_SPINLOCK(gic_lock); 117static DEFINE_SPINLOCK(gic_lock);
125 118
126static int gic_set_affinity(unsigned int irq, const struct cpumask *cpumask) 119static int gic_set_affinity(struct irq_data *d, const struct cpumask *cpumask,
120 bool force)
127{ 121{
122 unsigned int irq = d->irq - _irqbase;
128 cpumask_t tmp = CPU_MASK_NONE; 123 cpumask_t tmp = CPU_MASK_NONE;
129 unsigned long flags; 124 unsigned long flags;
130 int i; 125 int i;
131 126
132 irq -= _irqbase;
133 pr_debug("%s(%d) called\n", __func__, irq); 127 pr_debug("%s(%d) called\n", __func__, irq);
134 cpumask_and(&tmp, cpumask, cpu_online_mask); 128 cpumask_and(&tmp, cpumask, cpu_online_mask);
135 if (cpus_empty(tmp)) 129 if (cpus_empty(tmp))
@@ -147,23 +141,22 @@ static int gic_set_affinity(unsigned int irq, const struct cpumask *cpumask)
147 set_bit(irq, pcpu_masks[first_cpu(tmp)].pcpu_mask); 141 set_bit(irq, pcpu_masks[first_cpu(tmp)].pcpu_mask);
148 142
149 } 143 }
150 cpumask_copy(irq_desc[irq].affinity, cpumask); 144 cpumask_copy(d->affinity, cpumask);
151 spin_unlock_irqrestore(&gic_lock, flags); 145 spin_unlock_irqrestore(&gic_lock, flags);
152 146
153 return 0; 147 return IRQ_SET_MASK_OK_NOCOPY;
154} 148}
155#endif 149#endif
156 150
157static struct irq_chip gic_irq_controller = { 151static struct irq_chip gic_irq_controller = {
158 .name = "MIPS GIC", 152 .name = "MIPS GIC",
159 .startup = gic_irq_startup, 153 .irq_ack = gic_irq_ack,
160 .ack = gic_irq_ack, 154 .irq_mask = gic_mask_irq,
161 .mask = gic_mask_irq, 155 .irq_mask_ack = gic_mask_irq,
162 .mask_ack = gic_mask_irq, 156 .irq_unmask = gic_unmask_irq,
163 .unmask = gic_unmask_irq, 157 .irq_eoi = gic_unmask_irq,
164 .eoi = gic_unmask_irq,
165#ifdef CONFIG_SMP 158#ifdef CONFIG_SMP
166 .set_affinity = gic_set_affinity, 159 .irq_set_affinity = gic_set_affinity,
167#endif 160#endif
168}; 161};
169 162