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IRQ_TYPE_SLOW, IRQ_TYPE_FAST, and IRQ_TYPE_PRIO are no longer used by
the Atari platform interrupt code since commit 734085651c9b80aa
("[PATCH] m68k: convert atari irq code") in v2.6.18-rc1, so drop them.
Note that their values have been reused for different purposes
(IRQ_TYPE_NONE, IRQ_TYPE_EDGE_RISING, and IRQ_TYPE_EDGE_FALLING) since
commit 6a6de9ef5850d063 ("[PATCH] genirq: core") in v2.6.18-rc1.
Signed-off-by: Geert Uytterhoeven <[email protected]>
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Don't disable irqs when waiting for the ST DMA "lock"; its release may
require an interrupt.
Introduce stdma_try_lock() for use in soft irq context. atari_scsi now tells
the SCSI mid-layer to defer queueing a command if the ST DMA lock is not
available, as per Michael's patch:
http://marc.info/?l=linux-m68k&m=139095335824863&w=2
The falcon_got_lock variable is race prone: we can't disable IRQs while
waiting to acquire the lock, so after acquiring it there must be some
interval during which falcon_got_lock remains false. Introduce
stdma_is_locked_by() to replace falcon_got_lock.
The falcon_got_lock tests in the EH handlers are incorrect these days. It
can happen that an EH handler is called after a command completes normally.
Remove these checks along with falcon_got_lock.
Also remove the complicated and racy fairness wait queues. If fairness is an
issue (when SCSI competes with IDE for the ST DMA interrupt), the solution
is likely to be a lower value for host->can_queue.
Signed-off-by: Finn Thain <[email protected]>
Reviewed-by: Hannes Reinecke <[email protected]>
Tested-by: Michael Schmitz <[email protected]>
Acked-by: Geert Uytterhoeven <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
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It may trigger a warning in fs/proc/generic.c:__xlate_proc_name() when
trying to add an entry for the interrupt handler to sysfs.
Signed-off-by: Geert Uytterhoeven <[email protected]>
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warning: ignoring return value of 'request_irq', declared with attribute
warn_unused_result
Signed-off-by: Geert Uytterhoeven <[email protected]>
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EXPORT_SYMBOL's belong to the actual code.
Signed-off-by: Adrian Bunk <[email protected]>
Signed-off-by: Geert Uytterhoeven <[email protected]>
Cc: Roman Zippel <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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The obsolete SA_xxx interrupt flags have been used despite the scheduled
removal. Fixup the remaining users.
Signed-off-by: Thomas Gleixner <[email protected]>
Acked-by: Ingo Molnar <[email protected]>
Cc: "Luck, Tony" <[email protected]>
Cc: Roman Zippel <[email protected]>
Cc: Geert Uytterhoeven <[email protected]>
Cc: Jeff Garzik <[email protected]>
Cc: Wim Van Sebroeck <[email protected]>
Cc: Roland Dreier <[email protected]>
Cc: Alessandro Zummo <[email protected]>
Cc: James Bottomley <[email protected]>
Cc: Greg KH <[email protected]>
Cc: Dave Airlie <[email protected]>
Cc: James Simmons <[email protected]>
Cc: "Antonino A. Daplas" <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Atari IDE: The interrupt needs SA_SHIRQ now to get registered.
Signed-off-by: Michael Schmitz <[email protected]>
Signed-off-by: Geert Uytterhoeven <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Use the new typedef for interrupt handler function pointers rather than
actually spelling out the full thing each time. This was scripted with the
following small shell script:
#!/bin/sh
egrep -nHrl -e 'irqreturn_t[ ]*[(][*]' $* |
while read i
do
echo $i
perl -pi -e 's/irqreturn_t\s*[(]\s*[*]\s*([_a-zA-Z0-9]*)\s*[)]\s*[(]\s*int\s*,\s*void\s*[*]\s*[)]/irq_handler_t \1/g' $i || exit $?
done
Signed-Off-By: David Howells <[email protected]>
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m68k_handle_int() split in two functions: __m68k_handle_int() takes
pt_regs * and does set_irq_regs(); m68k_handle_int() doesn't get pt_regs
*.
Places where we used to call m68k_handle_int() recursively with the same
pt_regs have simply lost the second argument, the rest is switched to
__m68k_handle_int().
The rest of patch is just dropping pt_regs * where needed.
Signed-off-by: Al Viro <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
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