From: Peng Fan <Peng.Fan@freescale.com>
Date: Wed, 25 Nov 2015 09:16:21 +0000 (+0800)
Subject: common: mmc: unsigned char compared against 0
X-Git-Tag: v2016.01-rc2~32
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=678e9316d48f78d162f705846b6f6eeab4aa5dd0;p=u-boot

common: mmc: unsigned char compared against 0

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

Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Cc: Diego Santa Cruz <Diego.SantaCruz@spinetix.com>
Cc: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
Cc: Andrew Gabbasov <andrew_gabbasov@mentor.com>
Cc: Simon Glass <sjg@chromium.org>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
---

diff --git a/common/cmd_mmc.c b/common/cmd_mmc.c
index dfc1ec850e..a6b7313e4a 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;
 	}