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MIPS: Better abstract R2300 FPU usage in Kconfig 

Introduce a CONFIG_CPU_R2300_FPU Kconfig symbol mirroring the existing
CONFIG_CPU_R4K_FPU, and use it to determine whether to build r4k_fpu.S.

This removes the duplicate R3000 & TX39XX cases in
arch/mips/kernel/Makefile and prepares us for the possibility of
disabling FP support later.

Signed-off-by: Paul Burton <paul.burton@mips.com>
Patchwork: https://patchwork.linux-mips.org/patch/21004/
Cc: linux-mips@linux-mips.org
This commit is contained in:
Paul Burton 2018-11-07 23:14:02 +00:00
parent 7d3713a4aa
commit 97f7dcbf27
No known key found for this signature in database
GPG Key ID: 3EA79FACB57500DD
2 changed files with 6 additions and 3 deletions
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6
arch/mips/Kconfig
View File

@ -2255,9 +2255,13 @@ config CPU_GENERIC_DUMP_TLB
bool
default y if !(CPU_R3000 || CPU_R8000 || CPU_TX39XX)
config CPU_R2300_FPU
bool
default y if CPU_R3000 || CPU_TX39XX
config CPU_R4K_FPU
bool
default y if !(CPU_R3000 || CPU_TX39XX)
default y if !CPU_R2300_FPU
config CPU_R4K_CACHE_TLB
bool

3
arch/mips/kernel/Makefile
View File

@ -42,9 +42,8 @@ sw-$(CONFIG_CPU_TX39XX) := r2300_switch.o
sw-$(CONFIG_CPU_CAVIUM_OCTEON) := octeon_switch.o
obj-y += $(sw-y)
obj-$(CONFIG_CPU_R2300_FPU) += r2300_fpu.o
obj-$(CONFIG_CPU_R4K_FPU) += r4k_fpu.o
obj-$(CONFIG_CPU_R3000) += r2300_fpu.o
obj-$(CONFIG_CPU_TX39XX) += r2300_fpu.o
obj-$(CONFIG_SMP) += smp.o
obj-$(CONFIG_SMP_UP) += smp-up.o