From 2558cd8cab793e9c8c3b17bdf06552bfb98d49e5 Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Thu, 18 Dec 2014 15:38:00 +0100 Subject: [PATCH] microblaze: Use unsigned type for limit comparison in cache.c The patch removes warnings: arch/microblaze/kernel/cpu/cache.c:146:14: warning: comparison of unsigned expression < 0 is always false [-Wtype-limits] Signed-off-by: Michal Simek --- arch/microblaze/kernel/cpu/cache.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/microblaze/kernel/cpu/cache.c b/arch/microblaze/kernel/cpu/cache.c index a6e44410..0bde47e 100644 --- a/arch/microblaze/kernel/cpu/cache.c +++ b/arch/microblaze/kernel/cpu/cache.c @@ -140,10 +140,10 @@ do { \ /* It is used only first parameter for OP - for wic, wdc */ #define CACHE_RANGE_LOOP_1(start, end, line_length, op) \ do { \ - int volatile temp = 0; \ - int align = ~(line_length - 1); \ + unsigned int volatile temp = 0; \ + unsigned int align = ~(line_length - 1); \ end = ((end & align) == end) ? end - line_length : end & align; \ - WARN_ON(end - start < 0); \ + WARN_ON(end < start); \ \ __asm__ __volatile__ (" 1: " #op " %1, r0;" \ "cmpu %0, %1, %2;" \ -- 2.7.4