From: Jongman Heo <jongman.heo@gmail.com>
Date: Sun, 3 Jun 2012 21:32:13 +0000 (+0000)
Subject: mmc: fix wrong timeout check in mmc_send_status()
X-Git-Tag: v2012.10-rc1~44^2~14
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=5b0c942f8919ed962699a44e0abb4f8a599c52c1;p=u-boot

mmc: fix wrong timeout check in mmc_send_status()

(!timeout) condition check in mmc_send_status() can never be met,
because do-while loop ends up with negative timeout value, -1.

Fix the check to handle TIMEOUT case correctly.

Signed-off-by: Jongman Heo <jongman.heo@gmail.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
---

diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index fa673cf2c6..89b674bb4b 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -236,7 +236,7 @@ int mmc_send_status(struct mmc *mmc, int timeout)
 	status = (cmd.response[0] & MMC_STATUS_CURR_STATE) >> 9;
 	printf("CURR STATE:%d\n", status);
 #endif
-	if (!timeout) {
+	if (timeout <= 0) {
 		printf("Timeout waiting card ready\n");
 		return TIMEOUT;
 	}