diff options
| author | Jesper Nilsson <jesper.nilsson@axis.com> | 2010-08-03 15:52:45 +0400 |
|---|---|---|
| committer | Jesper Nilsson <jesper.nilsson@axis.com> | 2010-08-04 15:00:45 +0400 |
| commit | e75a320edab4170f28f6cce22d4ea5c15f13ecfa (patch) | |
| tree | 8eb7854641ecedddb74b56ad19d9cd576ecec59d /arch/cris | |
| parent | 403a1c4f1380b4ec842df5f4aa86e86ba02904f3 (diff) | |
| download | linux-e75a320edab4170f28f6cce22d4ea5c15f13ecfa.tar.xz | |
CRIS: v32: Better irq mapping code
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Diffstat (limited to 'arch/cris')
| -rw-r--r-- | arch/cris/arch-v32/kernel/irq.c | 47 |
1 files changed, 22 insertions, 25 deletions
diff --git a/arch/cris/arch-v32/kernel/irq.c b/arch/cris/arch-v32/kernel/irq.c index 0b1febe44aa3..2ed48ae3d313 100644 --- a/arch/cris/arch-v32/kernel/irq.c +++ b/arch/cris/arch-v32/kernel/irq.c @@ -97,7 +97,11 @@ extern void breakh_BUG(void); /* * Build the IRQ handler stubs using macros from irq.h. */ +#ifdef CONFIG_CRIS_MACH_ARTPEC3 +BUILD_TIMER_IRQ(0x31, 0) +#else BUILD_IRQ(0x31) +#endif BUILD_IRQ(0x32) BUILD_IRQ(0x33) BUILD_IRQ(0x34) @@ -123,7 +127,11 @@ BUILD_IRQ(0x47) BUILD_IRQ(0x48) BUILD_IRQ(0x49) BUILD_IRQ(0x4a) +#ifdef CONFIG_ETRAXFS +BUILD_TIMER_IRQ(0x4b, 0) +#else BUILD_IRQ(0x4b) +#endif BUILD_IRQ(0x4c) BUILD_IRQ(0x4d) BUILD_IRQ(0x4e) @@ -199,25 +207,20 @@ block_irq(int irq, int cpu) unsigned long flags; spin_lock_irqsave(&irq_lock, flags); - if (irq - FIRST_IRQ < 32) + /* Remember, 1 let thru, 0 block. */ + if (irq - FIRST_IRQ < 32) { intr_mask = REG_RD_INT_VECT(intr_vect, irq_regs[cpu], rw_mask, 0); - else - intr_mask = REG_RD_INT_VECT(intr_vect, irq_regs[cpu], - rw_mask, 1); - - /* Remember; 1 let thru, 0 block. */ - if (irq - FIRST_IRQ < 32) intr_mask &= ~(1 << (irq - FIRST_IRQ)); - else - intr_mask &= ~(1 << (irq - FIRST_IRQ - 32)); - - if (irq - FIRST_IRQ < 32) REG_WR_INT_VECT(intr_vect, irq_regs[cpu], rw_mask, 0, intr_mask); - else + } else { + intr_mask = REG_RD_INT_VECT(intr_vect, irq_regs[cpu], + rw_mask, 1); + intr_mask &= ~(1 << (irq - FIRST_IRQ - 32)); REG_WR_INT_VECT(intr_vect, irq_regs[cpu], rw_mask, 1, intr_mask); + } spin_unlock_irqrestore(&irq_lock, flags); } @@ -228,26 +231,20 @@ unblock_irq(int irq, int cpu) unsigned long flags; spin_lock_irqsave(&irq_lock, flags); - if (irq - FIRST_IRQ < 32) + /* Remember, 1 let thru, 0 block. */ + if (irq - FIRST_IRQ < 32) { intr_mask = REG_RD_INT_VECT(intr_vect, irq_regs[cpu], rw_mask, 0); - else - intr_mask = REG_RD_INT_VECT(intr_vect, irq_regs[cpu], - rw_mask, 1); - - /* Remember; 1 let thru, 0 block. */ - if (irq - FIRST_IRQ < 32) intr_mask |= (1 << (irq - FIRST_IRQ)); - else - intr_mask |= (1 << (irq - FIRST_IRQ - 32)); - - if (irq - FIRST_IRQ < 32) REG_WR_INT_VECT(intr_vect, irq_regs[cpu], rw_mask, 0, intr_mask); - else + } else { + intr_mask = REG_RD_INT_VECT(intr_vect, irq_regs[cpu], + rw_mask, 1); + intr_mask |= (1 << (irq - FIRST_IRQ - 32)); REG_WR_INT_VECT(intr_vect, irq_regs[cpu], rw_mask, 1, intr_mask); - + } spin_unlock_irqrestore(&irq_lock, flags); } |