diff options
| author | Glenn Elliott <gelliott@cs.unc.edu> | 2012-03-04 19:47:13 -0500 |
|---|---|---|
| committer | Glenn Elliott <gelliott@cs.unc.edu> | 2012-03-04 19:47:13 -0500 |
| commit | c71c03bda1e86c9d5198c5d83f712e695c4f2a1e (patch) | |
| tree | ecb166cb3e2b7e2adb3b5e292245fefd23381ac8 /arch/mips/sibyte/sb1250 | |
| parent | ea53c912f8a86a8567697115b6a0d8152beee5c8 (diff) | |
| parent | 6a00f206debf8a5c8899055726ad127dbeeed098 (diff) | |
Merge branch 'mpi-master' into wip-k-fmlpwip-k-fmlp
Conflicts:
litmus/sched_cedf.c
Diffstat (limited to 'arch/mips/sibyte/sb1250')
| -rw-r--r-- | arch/mips/sibyte/sb1250/irq.c | 56 | ||||
| -rw-r--r-- | arch/mips/sibyte/sb1250/smp.c | 7 |
2 files changed, 20 insertions, 43 deletions
diff --git a/arch/mips/sibyte/sb1250/irq.c b/arch/mips/sibyte/sb1250/irq.c index 12ac04a658ee..be4460a5f6a8 100644 --- a/arch/mips/sibyte/sb1250/irq.c +++ b/arch/mips/sibyte/sb1250/irq.c | |||
| @@ -43,31 +43,10 @@ | |||
| 43 | * for interrupt lines | 43 | * for interrupt lines |
| 44 | */ | 44 | */ |
| 45 | 45 | ||
| 46 | |||
| 47 | static void end_sb1250_irq(unsigned int irq); | ||
| 48 | static void enable_sb1250_irq(unsigned int irq); | ||
| 49 | static void disable_sb1250_irq(unsigned int irq); | ||
| 50 | static void ack_sb1250_irq(unsigned int irq); | ||
| 51 | #ifdef CONFIG_SMP | ||
| 52 | static int sb1250_set_affinity(unsigned int irq, const struct cpumask *mask); | ||
| 53 | #endif | ||
| 54 | |||
| 55 | #ifdef CONFIG_SIBYTE_HAS_LDT | 46 | #ifdef CONFIG_SIBYTE_HAS_LDT |
| 56 | extern unsigned long ldt_eoi_space; | 47 | extern unsigned long ldt_eoi_space; |
| 57 | #endif | 48 | #endif |
| 58 | 49 | ||
| 59 | static struct irq_chip sb1250_irq_type = { | ||
| 60 | .name = "SB1250-IMR", | ||
| 61 | .ack = ack_sb1250_irq, | ||
| 62 | .mask = disable_sb1250_irq, | ||
| 63 | .mask_ack = ack_sb1250_irq, | ||
| 64 | .unmask = enable_sb1250_irq, | ||
| 65 | .end = end_sb1250_irq, | ||
| 66 | #ifdef CONFIG_SMP | ||
| 67 | .set_affinity = sb1250_set_affinity | ||
| 68 | #endif | ||
| 69 | }; | ||
| 70 | |||
| 71 | /* Store the CPU id (not the logical number) */ | 50 | /* Store the CPU id (not the logical number) */ |
| 72 | int sb1250_irq_owner[SB1250_NR_IRQS]; | 51 | int sb1250_irq_owner[SB1250_NR_IRQS]; |
| 73 | 52 | ||
| @@ -102,9 +81,11 @@ void sb1250_unmask_irq(int cpu, int irq) | |||
| 102 | } | 81 | } |
| 103 | 82 | ||
| 104 | #ifdef CONFIG_SMP | 83 | #ifdef CONFIG_SMP |
| 105 | static int sb1250_set_affinity(unsigned int irq, const struct cpumask *mask) | 84 | static int sb1250_set_affinity(struct irq_data *d, const struct cpumask *mask, |
| 85 | bool force) | ||
| 106 | { | 86 | { |
| 107 | int i = 0, old_cpu, cpu, int_on; | 87 | int i = 0, old_cpu, cpu, int_on; |
| 88 | unsigned int irq = d->irq; | ||
| 108 | u64 cur_ints; | 89 | u64 cur_ints; |
| 109 | unsigned long flags; | 90 | unsigned long flags; |
| 110 | 91 | ||
| @@ -142,21 +123,17 @@ static int sb1250_set_affinity(unsigned int irq, const struct cpumask *mask) | |||
| 142 | } | 123 | } |
| 143 | #endif | 124 | #endif |
| 144 | 125 | ||
| 145 | /*****************************************************************************/ | 126 | static void enable_sb1250_irq(struct irq_data *d) |
| 146 | |||
| 147 | static void disable_sb1250_irq(unsigned int irq) | ||
| 148 | { | 127 | { |
| 149 | sb1250_mask_irq(sb1250_irq_owner[irq], irq); | 128 | unsigned int irq = d->irq; |
| 150 | } | ||
| 151 | 129 | ||
| 152 | static void enable_sb1250_irq(unsigned int irq) | ||
| 153 | { | ||
| 154 | sb1250_unmask_irq(sb1250_irq_owner[irq], irq); | 130 | sb1250_unmask_irq(sb1250_irq_owner[irq], irq); |
| 155 | } | 131 | } |
| 156 | 132 | ||
| 157 | 133 | ||
| 158 | static void ack_sb1250_irq(unsigned int irq) | 134 | static void ack_sb1250_irq(struct irq_data *d) |
| 159 | { | 135 | { |
| 136 | unsigned int irq = d->irq; | ||
| 160 | #ifdef CONFIG_SIBYTE_HAS_LDT | 137 | #ifdef CONFIG_SIBYTE_HAS_LDT |
| 161 | u64 pending; | 138 | u64 pending; |
| 162 | 139 | ||
| @@ -199,21 +176,22 @@ static void ack_sb1250_irq(unsigned int irq) | |||
| 199 | sb1250_mask_irq(sb1250_irq_owner[irq], irq); | 176 | sb1250_mask_irq(sb1250_irq_owner[irq], irq); |
| 200 | } | 177 | } |
| 201 | 178 | ||
| 202 | 179 | static struct irq_chip sb1250_irq_type = { | |
| 203 | static void end_sb1250_irq(unsigned int irq) | 180 | .name = "SB1250-IMR", |
| 204 | { | 181 | .irq_mask_ack = ack_sb1250_irq, |
| 205 | if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) { | 182 | .irq_unmask = enable_sb1250_irq, |
| 206 | sb1250_unmask_irq(sb1250_irq_owner[irq], irq); | 183 | #ifdef CONFIG_SMP |
| 207 | } | 184 | .irq_set_affinity = sb1250_set_affinity |
| 208 | } | 185 | #endif |
| 209 | 186 | }; | |
| 210 | 187 | ||
| 211 | void __init init_sb1250_irqs(void) | 188 | void __init init_sb1250_irqs(void) |
| 212 | { | 189 | { |
| 213 | int i; | 190 | int i; |
| 214 | 191 | ||
| 215 | for (i = 0; i < SB1250_NR_IRQS; i++) { | 192 | for (i = 0; i < SB1250_NR_IRQS; i++) { |
| 216 | set_irq_chip_and_handler(i, &sb1250_irq_type, handle_level_irq); | 193 | irq_set_chip_and_handler(i, &sb1250_irq_type, |
| 194 | handle_level_irq); | ||
| 217 | sb1250_irq_owner[i] = 0; | 195 | sb1250_irq_owner[i] = 0; |
| 218 | } | 196 | } |
| 219 | } | 197 | } |
diff --git a/arch/mips/sibyte/sb1250/smp.c b/arch/mips/sibyte/sb1250/smp.c index c00a5cb1128d..38e7f6bd7922 100644 --- a/arch/mips/sibyte/sb1250/smp.c +++ b/arch/mips/sibyte/sb1250/smp.c | |||
| @@ -21,6 +21,7 @@ | |||
| 21 | #include <linux/interrupt.h> | 21 | #include <linux/interrupt.h> |
| 22 | #include <linux/smp.h> | 22 | #include <linux/smp.h> |
| 23 | #include <linux/kernel_stat.h> | 23 | #include <linux/kernel_stat.h> |
| 24 | #include <linux/sched.h> | ||
| 24 | 25 | ||
| 25 | #include <asm/mmu_context.h> | 26 | #include <asm/mmu_context.h> |
| 26 | #include <asm/io.h> | 27 | #include <asm/io.h> |
| @@ -177,10 +178,8 @@ void sb1250_mailbox_interrupt(void) | |||
| 177 | /* Clear the mailbox to clear the interrupt */ | 178 | /* Clear the mailbox to clear the interrupt */ |
| 178 | ____raw_writeq(((u64)action) << 48, mailbox_clear_regs[cpu]); | 179 | ____raw_writeq(((u64)action) << 48, mailbox_clear_regs[cpu]); |
| 179 | 180 | ||
| 180 | /* | 181 | if (action & SMP_RESCHEDULE_YOURSELF) |
| 181 | * Nothing to do for SMP_RESCHEDULE_YOURSELF; returning from the | 182 | scheduler_ipi(); |
| 182 | * interrupt will do the reschedule for us | ||
| 183 | */ | ||
| 184 | 183 | ||
| 185 | if (action & SMP_CALL_FUNCTION) | 184 | if (action & SMP_CALL_FUNCTION) |
| 186 | smp_call_function_interrupt(); | 185 | smp_call_function_interrupt(); |
