Currently the __udelay function causes the following compiler warning when HZ is set to 1000: arch/arm/lib/delay.c: In function __udelay: arch/arm/lib/delay.c:88: warning: integer overflow in expression The overflow does not occur if the constant is unsigned. Change-Id: I45fcbad2944c88f6ec49f45816032efff12d9e1b Signed-off-by: Jeff Ohlstein <johlstei@codeaurora.org> (cherry picked from commit ed5a151ce513dff8d021be33899d5c6d7c6633e1)