From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>

Now that RISCV_DMA_NONCOHERENT conditionally selects DMA_DIRECT_REMAP
ie only if MMU is enabled, we no longer need the MMU dependency in
ERRATA_ANDES_CMO config.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
---
Note, this patch needs to be applied only if patch [1] is accepted or else
we might see build issues with randconfig.

[1] https://lore.kernel.org/linux-riscv/20230901105111.311200-1-prabhakar.mahadev-lad.rj@bp.renesas.com/T/#u
---
 arch/riscv/Kconfig.errata | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/riscv/Kconfig.errata b/arch/riscv/Kconfig.errata
index 92c779764b27..bee5d838763b 100644
--- a/arch/riscv/Kconfig.errata
+++ b/arch/riscv/Kconfig.errata
@@ -12,7 +12,7 @@ config ERRATA_ANDES
 
 config ERRATA_ANDES_CMO
 	bool "Apply Andes cache management errata"
-	depends on ERRATA_ANDES && MMU && ARCH_R9A07G043
+	depends on ERRATA_ANDES && ARCH_R9A07G043
 	select RISCV_DMA_NONCOHERENT
 	default y
 	help
-- 
2.34.1

Hello:

This patch was applied to riscv/linux.git (for-next)
by Palmer Dabbelt <palmer@rivosinc.com>:

On Fri,  1 Sep 2023 11:58:58 +0100 you wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
> 
> Now that RISCV_DMA_NONCOHERENT conditionally selects DMA_DIRECT_REMAP
> ie only if MMU is enabled, we no longer need the MMU dependency in
> ERRATA_ANDES_CMO config.
> 
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
> 
> [...]

Here is the summary with links:
  - riscv: Kconfig.errata: Drop dependency for MMU in ERRATA_ANDES_CMO config
    https://git.kernel.org/riscv/c/6fd57a739233

You are awesome, thank you!
-- 
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On Fri, Sep 1, 2023 at 12:59 PM Prabhakar <prabhakar.csengg@gmail.com> wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
>
> Now that RISCV_DMA_NONCOHERENT conditionally selects DMA_DIRECT_REMAP
> ie only if MMU is enabled, we no longer need the MMU dependency in
> ERRATA_ANDES_CMO config.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds