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author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-06 14:35:30 -0800 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-06 14:35:30 -0800 |
commit | e503606c5b7687842beb8fca46b827606ae40c63 (patch) | |
tree | 37003f6e8889d39fe64615809b3fffa395ce61cb /arch/mips/kernel/i8259.c | |
parent | 76c329563c5b8663ef27eb1bd195885ab826cbd0 (diff) | |
parent | d390008ebf42bdfda106e9de2b2d0abcc9858e26 (diff) |
Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (40 commits)
[MIPS] Yosemite: Fix missing parens in SERIAL_READ_1 macro
[MIPS] Fix warnings in run_uncached on 32bit kernel
[MIPS] Comment fix
[MIPS] MT: Nuke duplicate mips_mt_regdump() prototype.
[MIPS] Alchemy: Fix PCI-memory access
[MIPS] Move .set reorder out of conditional code
[MIPS] Check FCSR for pending interrupts before restoring from a context.
[MIPS] Jaguar ATX: Fix large number of warnings.
[MIPS] Jaguar: Fix MAC address detection after platform_device conversion.
[MIPS] SMTC: Make a bunch of functions and variables static.
[MIPS] Use compat_sys_pselect6
[MIPS] SMTC: Cleanup idle hook invocation.
[MIPS] SELinux: Add security hooks to mips-mt {get,set}affinity
[MIPS] IRIX: Linux coding style cleanups.
[MIPS] PB1100: Fix pile of warnings
[MIPS] Alchemy: Fix bunch of warnings
[MIPS] Whitespace cleanups.
[MIPS] Alchemy: Fix bunch more warnings.
[MIPS] Use ARRAY_SIZE macro when appropriate
[MIPS] Fix some whitespace damage
...
Diffstat (limited to 'arch/mips/kernel/i8259.c')
-rw-r--r-- | arch/mips/kernel/i8259.c | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/arch/mips/kernel/i8259.c b/arch/mips/kernel/i8259.c index b59a676c6d0..b33ba6cd7f5 100644 --- a/arch/mips/kernel/i8259.c +++ b/arch/mips/kernel/i8259.c @@ -54,9 +54,11 @@ static unsigned int cached_irq_mask = 0xffff; void disable_8259A_irq(unsigned int irq) { - unsigned int mask = 1 << irq; + unsigned int mask; unsigned long flags; + irq -= I8259A_IRQ_BASE; + mask = 1 << irq; spin_lock_irqsave(&i8259A_lock, flags); cached_irq_mask |= mask; if (irq & 8) @@ -68,9 +70,11 @@ void disable_8259A_irq(unsigned int irq) void enable_8259A_irq(unsigned int irq) { - unsigned int mask = ~(1 << irq); + unsigned int mask; unsigned long flags; + irq -= I8259A_IRQ_BASE; + mask = ~(1 << irq); spin_lock_irqsave(&i8259A_lock, flags); cached_irq_mask &= mask; if (irq & 8) @@ -82,10 +86,12 @@ void enable_8259A_irq(unsigned int irq) int i8259A_irq_pending(unsigned int irq) { - unsigned int mask = 1 << irq; + unsigned int mask; unsigned long flags; int ret; + irq -= I8259A_IRQ_BASE; + mask = 1 << irq; spin_lock_irqsave(&i8259A_lock, flags); if (irq < 8) ret = inb(PIC_MASTER_CMD) & mask; @@ -134,9 +140,11 @@ static inline int i8259A_irq_real(unsigned int irq) */ void mask_and_ack_8259A(unsigned int irq) { - unsigned int irqmask = 1 << irq; + unsigned int irqmask; unsigned long flags; + irq -= I8259A_IRQ_BASE; + irqmask = 1 << irq; spin_lock_irqsave(&i8259A_lock, flags); /* * Lightweight spurious IRQ detection. We do not want @@ -169,8 +177,8 @@ handle_real_irq: outb(0x60+irq,PIC_MASTER_CMD); /* 'Specific EOI to master */ } #ifdef CONFIG_MIPS_MT_SMTC - if (irq_hwmask[irq] & ST0_IM) - set_c0_status(irq_hwmask[irq] & ST0_IM); + if (irq_hwmask[irq] & ST0_IM) + set_c0_status(irq_hwmask[irq] & ST0_IM); #endif /* CONFIG_MIPS_MT_SMTC */ spin_unlock_irqrestore(&i8259A_lock, flags); return; @@ -322,8 +330,8 @@ void __init init_i8259_irqs (void) init_8259A(0); - for (i = 0; i < 16; i++) + for (i = I8259A_IRQ_BASE; i < I8259A_IRQ_BASE + 16; i++) set_irq_chip_and_handler(i, &i8259A_chip, handle_level_irq); - setup_irq(PIC_CASCADE_IR, &irq2); + setup_irq(I8259A_IRQ_BASE + PIC_CASCADE_IR, &irq2); } |