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add 'mtd refresh' command 

SVN-Revision: 8439
owl
Felix Fietkau 2007-08-19 21:53:44 +00:00
parent 4460bbca47
commit 5307d511aa
2 changed files with 33 additions and 1 deletions
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33
package/mtd/src/mtd.c
View File

@ -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();

1
package/mtd/src/mtd.h
View File

@ -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__