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authorRobert Jarzmik <robert.jarzmik@free.fr>2012-03-22 21:00:51 +0100
committerDavid Woodhouse <David.Woodhouse@intel.com>2012-03-27 01:03:03 +0100
commita2b3d284ed65b9ada18fd2ffb66daffe9c0ff168 (patch)
treedf91e0238a33aa97606a91c285d8f293206d06f2 /drivers/mtd
parenta7baef1211b0ac218299965481e7cff9d68c1edd (diff)
downloadlinux-a2b3d284ed65b9ada18fd2ffb66daffe9c0ff168.tar.gz
mtd: docg3 increase write/erase timeout
After several tries with ubifs, it appears empirically that constructor
provided figures for erase/write timeouts are underestimated. A timeout
of 100ms seems to work with a 5 years worn chip, and no timeouts occur
anymore.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/mtd')
-rw-r--r--drivers/mtd/devices/docg3.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/mtd/devices/docg3.c b/drivers/mtd/devices/docg3.c
index 62e01113c317..be88eb6217cb 100644
--- a/drivers/mtd/devices/docg3.c
+++ b/drivers/mtd/devices/docg3.c
@@ -1116,10 +1116,10 @@ static int doc_get_op_status(struct docg3 *docg3)
  */
 static int doc_write_erase_wait_status(struct docg3 *docg3)
 {
-	int status, ret = 0;
+	int i, status, ret = 0;
 
-	if (!doc_is_ready(docg3))
-		usleep_range(3000, 3000);
+	for (i = 0; !doc_is_ready(docg3) && i < 5; i++)
+		msleep(20);
 	if (!doc_is_ready(docg3)) {
 		doc_dbg("Timeout reached and the chip is still not ready\n");
 		ret = -EAGAIN;