tile: fix some -Wsign-compare warnings
authorChris Metcalf <cmetcalf@tilera.com>
Fri, 9 Aug 2013 20:53:50 +0000 (16:53 -0400)
committerChris Metcalf <cmetcalf@tilera.com>
Fri, 30 Aug 2013 15:56:50 +0000 (11:56 -0400)
commit6fbeee29a2b87574527897c3ded1f92e236518c7
treef42ed3f1b9e21f21213b32d0a52504098b55a324
parente56059f2d3b8a053c965a51587a4a3328ac00a47
tile: fix some -Wsign-compare warnings

Normally the build doesn't include these warnings, but at one
point I built with -Wsign-compare, and noticed a few things that
are technically bugs.  This change fixes those things.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
arch/tile/include/asm/io.h
arch/tile/include/asm/mmzone.h
arch/tile/include/asm/spinlock_64.h