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cd51d248'>patch) treef988a2b82eab1ec83aa2a08e34190a9a32b4035f /arch/powerpc/platforms parent9d82fd2fae925efdf546cc25afdc664a2e3a2d9f (diff)
powerpc: Remove all usages of NO_IRQ
NO_IRQ has been == 0 on powerpc for just over ten years (since commit 0ebfff1491ef ("[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>
Diffstat (limited to 'arch/powerpc/platforms')
-rw-r--r--arch/powerpc/platforms/44x/warp.c2
-rw-r--r--arch/powerpc/platforms/512x/mpc5121_ads_cpld.c8
-rw-r--r--arch/powerpc/platforms/512x/mpc512x_lpbfifo.c2
-rw-r--r--arch/powerpc/platforms/52xx/mpc52xx_pic.c2
-rw-r--r--arch/powerpc/platforms/82xx/pq2ads-pci-pic.c2
-rw-r--r--arch/powerpc/platforms/83xx/mpc832x_rdb.c2
-rw-r--r--arch/powerpc/platforms/83xx/suspend.c4
-rw-r--r--arch/powerpc/platforms/85xx/common.c2
-rw-r--r--arch/powerpc/platforms/85xx/mpc85xx_cds.c4
-rw-r--r--arch/powerpc/platforms/85xx/mpc85xx_ds.c4
-rw-r--r--arch/powerpc/platforms/85xx/socrates_fpga_pic.c6
-rw-r--r--arch/powerpc/platforms/86xx/pic.c4
-rw-r--r--arch/powerpc/platforms/8xx/m8xx_setup.c2
-rw-r--r--arch/powerpc/platforms/cell/axon_msi.c6
-rw-r--r--arch/powerpc/platforms/cell/interrupt.c12
-rw-r--r--arch/powerpc/platforms/cell/iommu.c2
-rw-r--r--arch/powerpc/platforms/cell/pmu.c4
-rw-r--r--arch/powerpc/platforms/cell/spider-pic.c18
-rw-r--r--arch/powerpc/platforms/cell/spu_base.c16
-rw-r--r--arch/powerpc/platforms/cell/spu_manage.c9
-rw-r--r--arch/powerpc/platforms/chrp/setup.c4
-rw-r--r--arch/powerpc/platforms/embedded6xx/flipper-pic.c2
-rw-r--r--arch/powerpc/platforms/embedded6xx/hlwd-pic.c4
-rw-r--r--arch/powerpc/platforms/embedded6xx/mvme5100.c4
-rw-r--r--arch/powerpc/platforms/maple/pci.c6
-rw-r--r--arch/powerpc/platforms/pasemi/misc.c2
-rw-r--r--arch/powerpc/platforms/pasemi/msi.c4
-rw-r--r--arch/powerpc/platforms/pasemi/setup.c4
-rw-r--r--arch/powerpc/platforms/powermac/low_i2c.c6
-rw-r--r--arch/powerpc/platforms/powermac/pfunc_base.c4
-rw-r--r--arch/powerpc/platforms/powermac/pic.c6
-rw-r--r--arch/powerpc/platforms/powernv/opal-irqchip.c4
-rw-r--r--arch/powerpc/platforms/powernv/pci-cxl.c4
-rw-r--r--arch/powerpc/platforms/powernv/pci.c4
-rw-r--r--arch/powerpc/platforms/ps3/interrupt.c10
-rw-r--r--arch/powerpc/platforms/ps3/smp.c4
-rw-r--r--arch/powerpc/platforms/ps3/spu.c4
-rw-r--r--arch/powerpc/platforms/pseries/event_sources.c2
-rw-r--r--arch/powerpc/platforms/pseries/msi.c6
-rw-r--r--arch/powerpc/platforms/pseries/setup.c4
40 files changed, 101 insertions, 98 deletions
diff --git a/arch/powerpc/platforms/44x/warp.c b/arch/powerpc/platforms/44x/warp.c