From: Christophe Leroy <christophe.leroy@c-s.fr>
Date: Thu, 20 Dec 2018 07:25:28 +0000 (+0000)
Subject: powerpc/8xx: Allow pinning IMMR TLB when using early debug console
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=96d19d70e1012383365c68e271d99f833a2d85f3;p=linux.git

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

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>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
---

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 6d6e1ffdafbae..a1e858e42ada7 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -1143,7 +1143,7 @@ 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