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authorBjorn Helgaas <bjorn.helgaas@hp.com>2006-07-03 03:24:12 -0400
committerLinus Torvalds <torvalds@g5.osdl.org>2006-07-03 18:26:58 -0400
commitcb6358eb69d9854f65f2979c0ce9280eee041828 (patch)
tree383765c090a291af222b08ae4044441d40a5d338 /lib/Kconfig
parentc32928c579d88acd43981b59e86900da65f40762 (diff)
[PATCH] SERIAL: allow shared 8250_pnp interrupts
PNP devices can use shared interrupts, so check to see whether we'll need SA_SHIRQ for request_irq(). The builtin PDH UART on the HP rx8640 is an example of an ACPI/PNP device that uses a shareable level-triggered, active-low interrupt. The interrupt can be shared in very large I/O configurations or by artificially lowering IA64_DEF_LAST_DEVICE_VECTOR. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Cc: Adam Belay <ambx1@neo.rr.com> Cc: Matthieu Castet <castet.matthieu@free.fr> Cc: Li Shaohua <shaohua.li@intel.com> Cc: Len Brown <len.brown@intel.com> Acked-by: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'lib/Kconfig')
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