[RFC PATCH 6/6] powerpc/microwatt: Stop building the hash MMU code

[Nicholas Piggin]

Microwatt is radix-only, so stop selecting the hash MMU code.

This saves 20kB compressed dtbImage and 56kB vmlinux size.

Signed-off-by: Nicholas Piggin <npig...@gmail.com>
---
 arch/powerpc/configs/microwatt_defconfig | 1 -
 arch/powerpc/platforms/Kconfig.cputype   | 1 +
 arch/powerpc/platforms/microwatt/Kconfig | 1 -
 3 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/powerpc/configs/microwatt_defconfig 
b/arch/powerpc/configs/microwatt_defconfig
index bf5f2e5905eb..6fbad42f9e3d 100644
--- a/arch/powerpc/configs/microwatt_defconfig
+++ b/arch/powerpc/configs/microwatt_defconfig
@@ -26,7 +26,6 @@ CONFIG_PPC_MICROWATT=y
 # CONFIG_PPC_OF_BOOT_TRAMPOLINE is not set
 CONFIG_CPU_FREQ=y
 CONFIG_HZ_100=y
-# CONFIG_PPC_MEM_KEYS is not set
 # CONFIG_SECCOMP is not set
 # CONFIG_MQ_IOSCHED_KYBER is not set
 # CONFIG_COREDUMP is not set
diff --git a/arch/powerpc/platforms/Kconfig.cputype 
b/arch/powerpc/platforms/Kconfig.cputype
index 9b90fc501ed4..b9acd6c68c81 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -371,6 +371,7 @@ config SPE
 config PPC_64S_HASH_MMU
        bool "Hash MMU Support"
        depends on PPC_BOOK3S_64
+       depends on !PPC_MICROWATT
        default y
        select PPC_MM_SLICES
        help
diff --git a/arch/powerpc/platforms/microwatt/Kconfig 
b/arch/powerpc/platforms/microwatt/Kconfig
index e0ff2cfc1ca0..4f0ce292a6ce 100644
--- a/arch/powerpc/platforms/microwatt/Kconfig
+++ b/arch/powerpc/platforms/microwatt/Kconfig
@@ -6,7 +6,6 @@ config PPC_MICROWATT
        select PPC_XICS
        select PPC_ICS_NATIVE
        select PPC_ICP_NATIVE
-       select PPC_HASH_MMU_NATIVE if PPC_64S_HASH_MMU
        select PPC_UDBG_16550
        select ARCH_RANDOM
        help
-- 
2.23.0