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mirror_ubuntu-kernels/arch/powerpc/platforms/pasemi
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Michael Ellerman ef24ba7091 powerpc: Remove all usages of NO_IRQ 
NO_IRQ has been == 0 on powerpc for just over ten years (since commit
0ebfff1491 ("[POWERPC] Add new interrupt mapping core and change
platforms to use it")). It's also 0 on most other arches.

Although it's fairly harmless, every now and then it causes confusion
when a driver is built on powerpc and another arch which doesn't define
NO_IRQ. There's at least 6 definitions of NO_IRQ in drivers/, at least
some of which are to work around that problem.

So we'd like to remove it. This is fairly trivial in the arch code, we
just convert:

    if (irq == NO_IRQ)	to	if (!irq)
    if (irq != NO_IRQ)	to	if (irq)
    irq = NO_IRQ;	to	irq = 0;
    return NO_IRQ;	to	return 0;

And a few other odd cases as well.

At least for now we keep the #define NO_IRQ, because there is driver
code that uses NO_IRQ and the fixes to remove those will go via other
trees.

Note we also change some occurrences in PPC sound drivers, drivers/ps3,
and drivers/macintosh.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2016-09-20 20:57:12 +10:00
..
dma_lib.c powerpc: Delete non-required instances of include <linux/init.h> 2014-01-15 13:46:44 +11:00
gpio_mdio.c powerpc/sparse: Make a bunch of things static 2016-09-13 17:35:47 +10:00
idle.c powerpc: ARRAY_SIZE changes in pasemi and powermac code 2009-08-20 10:29:23 +10:00
iommu.c powerpc/sparse: Make a bunch of things static 2016-09-13 17:35:47 +10:00
Kconfig powerpc/pasemi: Add Nemo motherboard config option. 2016-09-13 17:37:07 +10:00
Makefile powerpc/pasemi: Only the build the pasemi MSI code for PASEMI=y 2015-05-11 19:55:25 +10:00
misc.c powerpc: Remove all usages of NO_IRQ 2016-09-20 20:57:12 +10:00
msi.c powerpc: Remove all usages of NO_IRQ 2016-09-20 20:57:12 +10:00
pasemi.h powerpc/pasemi: Remove IOBMAP allocation from platform probe() 2016-07-21 18:56:38 +10:00
pci.c powerpc/pci: Delay populating pdn 2016-06-21 15:30:56 +10:00
powersave.S powerpc: No need to use dot symbols when branching to a function 2014-04-23 10:05:16 +10:00
setup.c powerpc: Remove all usages of NO_IRQ 2016-09-20 20:57:12 +10:00
time.c