Re: powerpc/8xx: Allow pinning IMMR TLB when using early debug console

[Michael Ellerman]

On Thu, 2018-12-20 at 07:25:28 UTC, Christophe Leroy wrote:
> CONFIG_EARLY_DEBUG_CPM requires IMMR area TLB to be pinned
> otherwise it doesn't survive MMU_init, and the boot fails.
> 
> Signed-off-by: Christophe Leroy 

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/96d19d70e1012383365c68e271d99f

cheers

[PATCH] powerpc/8xx: Allow pinning IMMR TLB when using early debug console

[Christophe Leroy]

CONFIG_EARLY_DEBUG_CPM requires IMMR area TLB to be pinned
otherwise it doesn't survive MMU_init, and the boot fails.

Signed-off-by: Christophe Leroy 
---
 arch/powerpc/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 7996ec33f1b4..45aed802ba86 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -1192,7 +1192,7 @@ config PIN_TLB_DATA
 
 config PIN_TLB_IMMR
bool "Pinned TLB for IMMR"
-   depends on PIN_TLB
+   depends on PIN_TLB || PPC_EARLY_DEBUG_CPM
default y
 
 config PIN_TLB_TEXT
-- 
2.13.3