From 5307d511aa974d2aaca2e7f6402d683077283d84 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Sun, 19 Aug 2007 21:53:44 +0000
Subject: add 'mtd refresh' command
SVN-Revision: 8439
---
package/mtd/src/mtd.c | 33 ++++++++++++++++++++++++++++++++-
package/mtd/src/mtd.h | 1 +
2 files changed, 33 insertions(+), 1 deletion(-)
(limited to 'package')
diff --git a/package/mtd/src/mtd.c b/package/mtd/src/mtd.c
index 9025240e1e..85b069f813 100644
--- a/package/mtd/src/mtd.c
+++ b/package/mtd/src/mtd.c
@@ -241,6 +241,25 @@ mtd_erase(const char *mtd)
}
+int
+mtd_refresh(const char *mtd)
+{
+ int fd;
+
+ fd = mtd_open(mtd, O_RDWR | O_SYNC);
+ if(fd < 0) {
+ fprintf(stderr, "Could not open mtd device: %s\n", mtd);
+ exit(1);
+ }
+ if (ioctl(fd, MTDREFRESH, NULL)) {
+ fprintf(stderr, "Failed to refresh the MTD device\n");
+ close(fd);
+ exit(1);
+ }
+ close(fd);
+ return 0;
+}
+
int
mtd_write(int imagefd, const char *mtd)
{
@@ -318,6 +337,7 @@ void usage(void)
"The device is in the format of mtdX (eg: mtd4) or its label.\n"
"mtd recognizes these commands:\n"
" unlock unlock the device\n"
+ " refresh refresh mtd partition\n"
" erase erase all data on device\n"
" write <imagefile>|- write <imagefile> (use - for stdin) to device\n"
"Following options are available:\n"
@@ -338,7 +358,8 @@ int main (int argc, char **argv)
enum {
CMD_ERASE,
CMD_WRITE,
- CMD_UNLOCK
+ CMD_UNLOCK,
+ CMD_REFRESH
} cmd;
erase[0] = NULL;
@@ -380,6 +401,9 @@ int main (int argc, char **argv)
if ((strcmp(argv[0], "unlock") == 0) && (argc == 2)) {
cmd = CMD_UNLOCK;
device = argv[1];
+ } else if ((strcmp(argv[0], "refresh") == 0) && (argc == 2)) {
+ cmd = CMD_REFRESH;
+ device = argv[1];
} else if ((strcmp(argv[0], "erase") == 0) && (argc == 2)) {
cmd = CMD_ERASE;
device = argv[1];
@@ -451,6 +475,13 @@ int main (int argc, char **argv)
if (quiet < 2)
fprintf(stderr, "\n");
break;
+ case CMD_REFRESH:
+ if (quiet < 2)
+ fprintf(stderr, "Refreshing mtd partition %s ... ");
+ mtd_refresh(device);
+ if (quiet < 2)
+ fprintf(stderr, "\n");
+ break;
}
sync();
diff --git a/package/mtd/src/mtd.h b/package/mtd/src/mtd.h
index 8b83afd575..6ce62611e3 100644
--- a/package/mtd/src/mtd.h
+++ b/package/mtd/src/mtd.h
@@ -96,6 +96,7 @@ struct region_info_user {
#define MEMGETREGIONINFO _IOWR('M', 8, struct region_info_user)
#define MEMREADDATA _IOWR('M', 9, struct mtd_oob_buf)
#define MEMWRITEDATA _IOWR('M', 10, struct mtd_oob_buf)
+#define MTDREFRESH _IO('M', 23)
#ifndef __KERNEL__
--
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