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authorKefeng Wang <wangkefeng.wang@huawei.com>2021-06-30 18:52:20 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2021-06-30 20:47:30 -0700
commit63703f37aa09e2c12c0ff25afbf5c460b21bfe4c (patch)
tree4804052088bb2cfc73b3bf825ae00f4336c47799 /arch/microblaze/Kconfig
parentdb1d9152c91acf2fef2eb16718a0aafee60dde30 (diff)
mm: generalize ZONE_[DMA|DMA32]
ZONE_[DMA|DMA32] configs have duplicate definitions on platforms that subscribe to them. Instead, just make them generic options which can be selected on applicable platforms. Also only x86/arm64 architectures could enable both ZONE_DMA and ZONE_DMA32 if EXPERT, add ARCH_HAS_ZONE_DMA_SET to make dma zone configurable and visible on the two architectures. Link: https://lkml.kernel.org/r/20210528074557.17768-1-wangkefeng.wang@huawei.com Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com> [arm64] Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> [m68k] Acked-by: Mike Rapoport <rppt@linux.ibm.com> Acked-by: Palmer Dabbelt <palmerdabbelt@google.com> [RISC-V] Acked-by: Michal Simek <michal.simek@xilinx.com> [microblaze] Acked-by: Michael Ellerman <mpe@ellerman.id.au> [powerpc] Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: "David S. Miller" <davem@davemloft.net> Cc: Ingo Molnar <mingo@redhat.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Richard Henderson <rth@twiddle.net> Cc: Russell King <linux@armlinux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/microblaze/Kconfig')
-rw-r--r--arch/microblaze/Kconfig4
1 files changed, 1 insertions, 3 deletions
diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig
index 0660f47012bc..14a67a42fcae 100644
--- a/arch/microblaze/Kconfig
+++ b/arch/microblaze/Kconfig
@@ -43,6 +43,7 @@ config MICROBLAZE
select MMU_GATHER_NO_RANGE
select SPARSE_IRQ
select SET_FS
+ select ZONE_DMA
# Endianness selection
choice
@@ -60,9 +61,6 @@ config CPU_LITTLE_ENDIAN
endchoice
-config ZONE_DMA
- def_bool y
-
config ARCH_HAS_ILOG2_U32
def_bool n