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powerpc: Kconfig: remove BE-only platforms from LE kernel build

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Currently, little endian is only supported on powernv and pseries,
however, Kconfigs still allow us to include other platforms in a LE
kernel, this may result in space wasting or even build error if some
BE-only platforms always assume they are built for a BE kernel. So just
modify the Kconfigs of BE-only platforms to remove them from being built
for a LE kernel.

For 32bit only platforms, nothing needs to be done, because
CPU_LITTLE_ENDIAN depends on PPC64. For 64bit supported platforms, add
CPU_BIG_ENDIAN to dependencies explicitly, so that these platforms will
be disabled for LE [Suggested-by: Cédric Le Goater <clg@fr.ibm.com>].

Signed-off-by: Boqun Feng <boqun.feng@gmail.com>
Acked-by: Geoff Levand <geoff@infradead.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Boqun Feng 2015-09-07 07:58:00 +08:00 committed by Michael Ellerman
parent 9ffecb1028
commit e5e16d8f3e
5 changed files with 6 additions and 6 deletions
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4
arch/powerpc/platforms/cell/Kconfig
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@ -25,7 +25,7 @@ config PPC_CELL_NATIVE
config PPC_IBM_CELL_BLADE
bool "IBM Cell Blade"
depends on PPC64 && PPC_BOOK3S
depends on PPC64 && PPC_BOOK3S && CPU_BIG_ENDIAN
select PPC_CELL_NATIVE
select PPC_OF_PLATFORM_PCI
select PCI
@ -35,7 +35,7 @@ config PPC_IBM_CELL_BLADE
config PPC_CELL_QPACE
bool "IBM Cell - QPACE"
depends on PPC64 && PPC_BOOK3S
depends on PPC64 && PPC_BOOK3S && CPU_BIG_ENDIAN
select PPC_CELL_COMMON
config AXON_MSI

2
arch/powerpc/platforms/maple/Kconfig
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@ -1,5 +1,5 @@
config PPC_MAPLE
depends on PPC64 && PPC_BOOK3S
depends on PPC64 && PPC_BOOK3S && CPU_BIG_ENDIAN
bool "Maple 970FX Evaluation Board"
select PCI
select MPIC

2
arch/powerpc/platforms/pasemi/Kconfig
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@ -1,5 +1,5 @@
config PPC_PASEMI
depends on PPC64 && PPC_BOOK3S
depends on PPC64 && PPC_BOOK3S && CPU_BIG_ENDIAN
bool "PA Semi SoC-based platforms"
default n
select MPIC

2
arch/powerpc/platforms/powermac/Kconfig
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@ -1,6 +1,6 @@
config PPC_PMAC
bool "Apple PowerMac based machines"
depends on PPC_BOOK3S
depends on PPC_BOOK3S && CPU_BIG_ENDIAN
select MPIC
select PCI
select PPC_INDIRECT_PCI if PPC32

2
arch/powerpc/platforms/ps3/Kconfig
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@ -1,6 +1,6 @@
config PPC_PS3
bool "Sony PS3"
depends on PPC64 && PPC_BOOK3S
depends on PPC64 && PPC_BOOK3S && CPU_BIG_ENDIAN
select PPC_CELL
select USB_OHCI_LITTLE_ENDIAN
select USB_OHCI_BIG_ENDIAN_MMIO