X-Git-Url: http://www.pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=arch%2Farm%2Fmm%2Fcache-xsc3l2.c;h=464de893a988033180ac9bb7e25c1a53daa6f149;hb=c7cf72dcadbe39c2077b32460f86c9f8167be3be;hp=10b1bae1a258f782f0aaf67e128f8a8aef514672;hpb=45beca08dd8b6d6a65c5ffd730af2eac7a2c7a03;p=linux-2.6-omap-h63xx.git

diff --git a/arch/arm/mm/cache-xsc3l2.c b/arch/arm/mm/cache-xsc3l2.c
index 10b1bae1a25..464de893a98 100644
--- a/arch/arm/mm/cache-xsc3l2.c
+++ b/arch/arm/mm/cache-xsc3l2.c
@@ -98,7 +98,7 @@ static void xsc3_l2_inv_range(unsigned long start, unsigned long end)
 	/*
 	 * Clean and invalidate partial last cache line.
 	 */
-	if (end & (CACHE_LINE_SIZE - 1)) {
+	if (start < end && (end & (CACHE_LINE_SIZE - 1))) {
 		xsc3_l2_clean_pa(end & ~(CACHE_LINE_SIZE - 1));
 		xsc3_l2_inv_pa(end & ~(CACHE_LINE_SIZE - 1));
 		end &= ~(CACHE_LINE_SIZE - 1);
@@ -107,7 +107,7 @@ static void xsc3_l2_inv_range(unsigned long start, unsigned long end)
 	/*
 	 * Invalidate all full cache lines between 'start' and 'end'.
 	 */
-	while (start != end) {
+	while (start < end) {
 		xsc3_l2_inv_pa(start);
 		start += CACHE_LINE_SIZE;
 	}