[U-Boot] [PATCH] common: mmc: unsigned char compared against 0

[Peng Fan]

"enable" is unsigned char type and its value will not be
negative, so discard "enable < 0".

Signed-off-by: Peng Fan <Peng.Fan at freescale.com>
Cc: Diego Santa Cruz <Diego.SantaCruz at spinetix.com>
Cc: Pantelis Antoniou <pantelis.antoniou at konsulko.com>
Cc: Andrew Gabbasov <andrew_gabbasov at mentor.com>
Cc: Simon Glass <sjg at chromium.org>
Cc: Stefano Babic <sbabic at denx.de>
Cc: Tom Rini <trini at konsulko.com>
---
 common/cmd_mmc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/common/cmd_mmc.c b/common/cmd_mmc.c
index dfc1ec8..a6b7313 100644
--- a/common/cmd_mmc.c
+++ b/common/cmd_mmc.c
@@ -747,7 +747,7 @@ static int do_mmc_rst_func(cmd_tbl_t *cmdtp, int flag,
 	dev = simple_strtoul(argv[1], NULL, 10);
 	enable = simple_strtoul(argv[2], NULL, 10);
 
-	if (enable > 2 || enable < 0) {
+	if (enable > 2) {
 		puts("Invalid RST_n_ENABLE value\n");
 		return CMD_RET_USAGE;
 	}
-- 
2.6.2