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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2006-07-03 19:32:51 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2006-07-03 19:55:12 +1000 |
| commit | b9e5b4e6a991a5a6d521f2e20a65835404b4169f (patch) | |
| tree | a0ac972faae4bf9133f576d842667bb134190341 /arch/powerpc/platforms/chrp | |
| parent | 5a43a066b11ac2fe84cf67307f20b83bea390f83 (diff) | |
| download | blackbird-op-linux-b9e5b4e6a991a5a6d521f2e20a65835404b4169f.tar.gz blackbird-op-linux-b9e5b4e6a991a5a6d521f2e20a65835404b4169f.zip | |
[POWERPC] Use the genirq framework
This adapts the generic powerpc interrupt handling code, and all of
the platforms except for the embedded 6xx machines, to use the new
genirq framework.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/platforms/chrp')
| -rw-r--r-- | arch/powerpc/platforms/chrp/setup.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/chrp/setup.c b/arch/powerpc/platforms/chrp/setup.c index 1f1771b212b4..a5dffc8d93a9 100644 --- a/arch/powerpc/platforms/chrp/setup.c +++ b/arch/powerpc/platforms/chrp/setup.c @@ -315,6 +315,21 @@ chrp_event_scan(unsigned long unused) jiffies + event_scan_interval); } +void chrp_8259_cascade(unsigned int irq, struct irq_desc *desc, + struct pt_regs *regs) +{ + unsigned int max = 100; + + while(max--) { + int irq = i8259_irq(regs); + if (max == 99) + desc->chip->eoi(irq); + if (irq < 0) + break; + generic_handle_irq(irq, regs); + }; +} + /* * Finds the open-pic node and sets up the mpic driver. */ @@ -402,7 +417,7 @@ static void __init chrp_find_openpic(void) } mpic_init(chrp_mpic); - mpic_setup_cascade(NUM_ISA_INTERRUPTS, i8259_irq_cascade, NULL); + set_irq_chained_handler(NUM_ISA_INTERRUPTS, chrp_8259_cascade); } #if defined(CONFIG_VT) && defined(CONFIG_INPUT_ADBHID) && defined(XMON) |
