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Benjamin Herrenschmidt 41550c5128 [POWERPC] Don't get PCI IRQ from OF for devices with no IRQ 
This patch adds checking of the PCI_INTERRUPT_PIN register before
using standard OF parsing to retreive PCI interrupts. The reason is
that some PCI devices may have no PCI interrupt, though they may have
interrupts attached via other means. In this case, we shall not use
irq->pdev, but device-specific code can later retreive those interrupts
instead.

Without that patch, Maple and derivatives don't get the right interrupt
for the second IDE channel as the linux IDE code fallsback to the PCI
irq instead of trying to use the legacy ones for the on-board controller
(which has no PCI_INTERRUPT_PIN). Having no PCI IRQ assign to it (as it
doesn't request any) fixes it.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-10-06 21:10:41 +10:00
..
alpha Remove all inclusions of <linux/config.h> 2006-10-04 03:38:54 -04:00
arm [PATCH] atmel_serial: Pass fixed register mappings through platform_data 2006-10-04 10:25:05 -07:00
arm26 Remove all inclusions of <linux/config.h> 2006-10-04 03:38:54 -04:00
avr32 [PATCH] AVR32: Allow renumbering of serial devices 2006-10-04 10:25:06 -07:00
cris more misc typo fixes 2006-10-03 22:34:14 +02:00
frv IRQ: Maintain regs pointer globally rather than passing to IRQ handlers 2006-10-05 15:10:12 +01:00
h8300 Remove all inclusions of <linux/config.h> 2006-10-04 03:38:54 -04:00
i386 Merge git://git.infradead.org/~dhowells/irq-2.6 2006-10-05 16:32:01 -07:00
ia64 IRQ: Maintain regs pointer globally rather than passing to IRQ handlers 2006-10-05 15:10:12 +01:00
m32r Remove all inclusions of <linux/config.h> 2006-10-04 03:38:54 -04:00
m68k Remove all inclusions of <linux/config.h> 2006-10-04 03:38:54 -04:00
m68knommu Remove all inclusions of <linux/config.h> 2006-10-04 03:38:54 -04:00
mips IRQ: Maintain regs pointer globally rather than passing to IRQ handlers 2006-10-05 15:10:12 +01:00
parisc [PA-RISC] Fix time.c for new do_timer() calling convention 2006-10-05 01:48:18 +00:00
powerpc [POWERPC] Don't get PCI IRQ from OF for devices with no IRQ 2006-10-06 21:10:41 +10:00
ppc [PPC] Fix some irq breakage with ARCH=ppc 2006-10-06 21:09:40 +10:00
s390 [S390] Remove open-coded mem_map usage. 2006-10-04 20:02:23 +02:00
sh fix file specification in comments 2006-10-03 23:01:26 +02:00
sh64 fix file specification in comments 2006-10-03 23:01:26 +02:00
sparc Remove all inclusions of <linux/config.h> 2006-10-04 03:38:54 -04:00
sparc64 Remove all inclusions of <linux/config.h> 2006-10-04 03:38:54 -04:00
um Remove all inclusions of <linux/config.h> 2006-10-04 03:38:54 -04:00
v850 Remove all inclusions of <linux/config.h> 2006-10-04 03:38:54 -04:00
x86_64 Merge git://git.infradead.org/~dhowells/irq-2.6 2006-10-05 16:32:01 -07:00
xtensa fix file specification in comments 2006-10-03 23:01:26 +02:00