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* [PATCH] powerpc/8xx: Allow pinning IMMR TLB when using early debug console
@ 2018-12-20  7:25 Christophe Leroy
  2018-12-23 13:28 ` Michael Ellerman
  0 siblings, 1 reply; 2+ messages in thread
From: Christophe Leroy @ 2018-12-20  7:25 UTC (permalink / raw)
  To: Benjamin Herrenschmidt, Paul Mackerras, Michael Ellerman
  Cc: linuxppc-dev, linux-kernel

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 <christophe.leroy@c-s.fr>
---
 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


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2018-12-20  7:25 [PATCH] powerpc/8xx: Allow pinning IMMR TLB when using early debug console Christophe Leroy
2018-12-23 13:28 ` Michael Ellerman

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