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>

diff --git a/arch/powerpc/Kconfig.debug b/arch/powerpc/Kconfig.debug
index ab2335f160a0da8bfb2bbac85f7ecadbac483e4e..06eb62b0fd909799d472155451237ae95eb69925 100644 (file)
--- 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