[Qemu-trivial] [PATCH 0/4] debugcon: fix some bugs when DEBUG_DEBUGCON

[liguang]

when enable DEBUG_DEBUGCON, there are some message
printing bugs, so fix them.

this patch-set based on previous 3 patches,
http://comments.gmane.org/gmane.comp.emulators.qemu/212550
http://comments.gmane.org/gmane.comp.emulators.qemu/212551
http://comments.gmane.org/gmane.comp.emulators.qemu/212552

cover-letter and patch [4/4] are new, no changes
for other 3.

Li Guang (4)
         debugcon: fix always print "addr=0x0, val=0x0" bug when use 
DEBUG_DEBUGCON
         debugcon: make debug message more readable
         debugcon: fix compiler warning when open DEBUG_DEBUGCON
         debugcon: use fprintf(stderr...) instead of printf

hw/char/debugcon.c | 13 +-
1 files changed, 7 insertions(+), 6 deletions(-)