powerpc/udbg: Fix Kconfig entry for avoiding 44x early debug with KVM

It was preventing the global early debug selection whenever KVM was enabled
instead of only preventing the 440 specific one.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 3 insertions, 4 deletions

diff --git a/arch/powerpc/Kconfig.debug b/arch/powerpc/Kconfig.debug
index ab2335f160a0..06eb62b0fd90 100644
--- a/arch/powerpc/Kconfig.debug
+++ b/arch/powerpc/Kconfig.debug
@@ -141,9 +141,6 @@ config BOOTX_TEXT
 
 config PPC_EARLY_DEBUG
         bool "Early debugging (dangerous)"
-        # PPC_EARLY_DEBUG on 440 leaves AS=1 mappings above the TLB high water
-        # mark, which doesn't work with current 440 KVM.
-        depends on !KVM
         help
           Say Y to enable some early debugging facilities that may be available
           for your processor/board combination. Those facilities are hacks
@@ -222,7 +219,9 @@ config PPC_EARLY_DEBUG_BEAT
 
 config PPC_EARLY_DEBUG_44x
         bool "Early serial debugging for IBM/AMCC 44x CPUs"
-        depends on 44x
+        # PPC_EARLY_DEBUG on 440 leaves AS=1 mappings above the TLB high water
+        # mark, which doesn't work with current 440 KVM.
+        depends on 44x && !KVM
         help
           Select this to enable early debugging for IBM 44x chips via the
           inbuilt serial port.  If you enable this, ensure you set