From: Vipin KUMAR <vipin.kumar@st.com>
Date: Mon, 7 May 2012 07:30:23 +0000 (+0530)
Subject: st_smi: Read status until timeout happens
X-Git-Tag: v2012.07-rc1~11^2~48
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0befe7d7a396339067ccb7018ab69a097ff62cf4;p=kernel%2Fu-boot.git

st_smi: Read status until timeout happens

SMI driver read status fails because the control register could not be
overwritten. Instead, the read status should be tried until timeout.

Signed-off-by: Vipin Kumar <vipin.kumar@st.com>
Signed-off-by: Amit Virdi <amit.virdi@st.com>
Signed-off-by: Stefan Roese <sr@denx.de>
---

diff --git a/drivers/mtd/st_smi.c b/drivers/mtd/st_smi.c
index 2c6d59d..088c7c7 100644
--- a/drivers/mtd/st_smi.c
+++ b/drivers/mtd/st_smi.c
@@ -187,7 +187,7 @@ static int smi_wait_till_ready(int bank, int timeout)
 	do {
 		sr = smi_read_sr(bank);
 		if (sr < 0)
-			break;
+			continue;	/* try until timeout */
 		else if (!(sr & WIP_BIT))
 			return 0;