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No-one seems to know how to mask individual baboon interrupts, so we just
mask the umbrella IRQ. This will work as long as only the IDE driver uses
the baboon chip (it can't deadlock). Use mac_enable_irq/mac_disable_irq
rather than enable_irq/disable_irq because the latter routines count the
depth of nested calls which triggers a warning and call trace because
IRQ_NUBUS_C is enabled twice in a row (once when the baboon handler is
registered, and once when the IDE IRQ is registered).
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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This patch remove unneeded #include <linux/ide.h>'s.
It also adds a required #include <linux/interrupt.h> that was previously
implicitely pulled by ide.h
Signed-off-by: Adrian Bunk <bunk@kernel.org>
[bart: revert change to tests/lkdtm.c (spotted by Stephen Rothwell)]
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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This patch contains the following possible cleanups:
- make the following needlessly global code (always) static:
- baboon.c: struct baboon
- baboon.c: baboon_irq()
- config.c: mac_orig_videoaddr
- config.c: mac_identify()
- config.c: mac_report_hardware()
- config.c: mac_debug_console_write()
- config.c: mac_sccb_console_write()
- config.c: mac_scca_console_write()
- config.c: mac_init_scc_port()
- oss.c: oss_irq()
- oss.c: oss_nubus_irq()
- psc.c: psc_debug_dump()
- psc.c: psc_dma_die_die_die()
- via.c: rbv_clear
- remove the unused bootparse.c
- #if 0 the following unused functions:
- config.c: mac_debugging_short()
- config.c: mac_debugging_long()
- remove the following unused code:
- config.c: mac_bisize
- config.c: mac_env
- config.c: mac_SCC_init_done
- config.c: mac_SCC_reset_done
- config.c: mac_init_scca_port()
- config.c: mac_init_sccb_port()
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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There are no slow IRQs on Macs since Roman Zippel's IRQ reorganisation that
went into 2.6.16 and removed mac_irq_list[] and the do_mac_irq_list()
dispatcher. (They were implemented in do_mac_irq_list() by lowering the IPL.)
Hence there's no more use for mutual exclusion in the Mac interrupt
dispatchers. Remove it.
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Make sure that there are no slot IRQs asserted before leaving the nubus
handler. If there are and we don't then the nubus gets wedged because this
prevents a CA1 transition, which means no more nubus IRQs.
Make the interrupt dispatch loops terminate sooner.
Explicitly initialise the VIA latches to make the code more easily understood.
Also some cleanups.
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Reverse the last of a monumental brown-paper-bag commit that went into the 2.3
kernel.
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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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 <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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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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