Remove more obsolete MTD stuff.

Bug: http://b/29250988
Change-Id: Ic2d0514fcdbe26526e87bc681b71efcc90eda678
Test: still builds.
diff --git a/init/init.cpp b/init/init.cpp
index 78c33d5..ba91c2a 100644
--- a/init/init.cpp
+++ b/init/init.cpp
@@ -34,8 +34,6 @@
 #include <sys/wait.h>
 #include <unistd.h>
 
-#include <mtd/mtd-user.h>
-
 #include <selinux/selinux.h>
 #include <selinux/label.h>
 #include <selinux/android.h>
diff --git a/toolbox/Android.mk b/toolbox/Android.mk
index 73e19de..23af1f9 100644
--- a/toolbox/Android.mk
+++ b/toolbox/Android.mk
@@ -32,7 +32,6 @@
 
 OUR_TOOLS := \
     getevent \
-    nandread \
     newfs_msdos \
     sendevent \
     start \
diff --git a/toolbox/nandread.c b/toolbox/nandread.c
deleted file mode 100644
index bd19942..0000000
--- a/toolbox/nandread.c
+++ /dev/null
@@ -1,287 +0,0 @@
-#include <ctype.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <inttypes.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#include <mtd/mtd-user.h>
-#include <sys/ioctl.h>
-
-static int test_empty(const char *buf, size_t size)
-{
-    while(size--) {
-        if (*buf++ != (char) 0xff)
-            return 0;
-    }
-    return 1;
-}
-
-int nandread_main(int argc, char **argv)
-{
-    char *devname = NULL;
-    char *filename = NULL;
-    char *statusfilename = NULL;
-    char *statusext = ".stat";
-    int fd;
-    int outfd = -1;
-    FILE *statusfile = NULL;
-    int ret;
-    int verbose = 0;
-    void *buffer;
-    loff_t pos, opos, end, bpos;
-    loff_t start = 0, len = 0;
-    int c;
-    int i;
-    int empty_pages = 0;
-    int page_count = 0;
-    int bad_block;
-    int rawmode = 0;
-    uint32_t *oob_data;
-    uint8_t *oob_fixed;
-    size_t spare_size = 64;
-    struct mtd_info_user mtdinfo;
-    struct mtd_ecc_stats initial_ecc, last_ecc, ecc;
-    struct mtd_oob_buf oobbuf;
-    nand_ecclayout_t ecclayout;
-
-    do {
-        c = getopt(argc, argv, "d:f:s:S:L:Rhv");
-        if (c == EOF)
-            break;
-        switch (c) {
-        case 'd':
-            devname = optarg;
-            break;
-        case 'f':
-            filename = optarg;
-            break;
-        case 's':
-            spare_size = atoi(optarg);
-            break;
-        case 'S':
-            start = strtoll(optarg, NULL, 0);
-            break;
-        case 'L':
-            len = strtoll(optarg, NULL, 0);
-            break;
-        case 'R':
-            rawmode = 1;
-            break;
-        case 'v':
-            verbose++;
-            break;
-        case 'h':
-            fprintf(stderr, "%s [-d <dev>] [-f file] [-s sparesize] [-vh]\n"
-                    "  -d <dev>   Read from <dev>\n"
-                    "  -f <file>  Write to <file>\n"
-                    "  -s <size>  Number of spare bytes in file (default 64)\n"
-                    "  -R         Raw mode\n"
-                    "  -S <start> Start offset (default 0)\n"
-                    "  -L <len>   Length (default 0)\n"
-                    "  -v         Print info\n"
-                    "  -h         Print help\n", argv[0]);
-            return -1;
-        case '?':
-            fprintf(stderr, "%s: invalid option -%c\n",
-                argv[0], optopt);
-            exit(1);
-        }
-    } while (1);
-
-    if (optind < argc) {
-        fprintf(stderr, "%s: extra arguments\n", argv[0]);
-        return 1;
-    }
-    if (!devname) {
-        fprintf(stderr, "%s: specify device name\n", argv[0]);
-        return 1;
-    }
-
-    fd = open(devname, O_RDONLY);
-    if (fd < 0) {
-        fprintf(stderr, "cannot open %s, %s\n", devname, strerror(errno));
-        return 1;
-    }
-
-    if (filename) {
-        outfd = creat(filename, 0666);
-        if (outfd < 0) {
-            fprintf(stderr, "cannot open %s, %s\n", filename, strerror(errno));
-            return 1;
-        }
-        statusfilename = malloc(strlen(filename) + strlen(statusext) + 1);
-        strcpy(statusfilename, filename);
-        strcat(statusfilename, statusext);
-        statusfile = fopen(statusfilename, "w+");
-        if (!statusfile) {
-            fprintf(stderr, "cannot open %s, %s\n", statusfilename, strerror(errno));
-            return 1;
-        }
-    }
-
-    ret = ioctl(fd, MEMGETINFO, &mtdinfo);
-    if (ret) {
-        fprintf(stderr, "failed get mtd info for %s, %s\n",
-                devname, strerror(errno));
-        return 1;
-    }
-
-    if (verbose) {
-        printf("size: %u\n", mtdinfo.size);
-        printf("erase size: %u\n", mtdinfo.erasesize);
-        printf("write size: %u\n", mtdinfo.writesize);
-        printf("oob size: %u\n", mtdinfo.oobsize);
-    }
-
-    buffer = malloc(mtdinfo.writesize + mtdinfo.oobsize + spare_size);
-    if (!buffer) {
-        fprintf(stderr, "failed allocate readbuffer size %u\n",
-                mtdinfo.writesize + mtdinfo.oobsize);
-        return 1;
-    }
-
-    oobbuf.length = mtdinfo.oobsize;
-    oob_data = (uint32_t *)((uint8_t *)buffer + mtdinfo.writesize);
-    memset(oob_data, 0xff, mtdinfo.oobsize + spare_size);
-    oobbuf.ptr = (uint8_t *)oob_data + spare_size;
-
-    ret = ioctl(fd, ECCGETLAYOUT, &ecclayout);
-    if (ret) {
-        fprintf(stderr, "failed get ecc layout for %s, %s\n",
-                devname, strerror(errno));
-        return 1;
-    }
-    if (verbose) {
-        printf("ecc bytes: %u\n", ecclayout.eccbytes);
-        printf("oobavail: %u\n", ecclayout.oobavail);
-    }
-    if (ecclayout.oobavail > spare_size)
-        printf("oobavail, %d > image spare size, %zu\n", ecclayout.oobavail, spare_size);
-
-    ret = ioctl(fd, ECCGETSTATS, &initial_ecc);
-    if (ret) {
-        fprintf(stderr, "failed get ecc stats for %s, %s\n",
-                devname, strerror(errno));
-        return 1;
-    }
-    last_ecc = initial_ecc;
-
-    if (verbose) {
-        printf("initial ecc corrected: %u\n", initial_ecc.corrected);
-        printf("initial ecc failed: %u\n", initial_ecc.failed);
-        printf("initial ecc badblocks: %u\n", initial_ecc.badblocks);
-        printf("initial ecc bbtblocks: %u\n", initial_ecc.bbtblocks);
-    }
-
-    if (rawmode) {
-        rawmode = mtdinfo.oobsize;
-        ret = ioctl(fd, MTDFILEMODE, MTD_FILE_MODE_RAW);
-        if (ret) {
-            fprintf(stderr, "failed set raw mode for %s, %s\n",
-                    devname, strerror(errno));
-            return 1;
-        }
-    }
-
-    end = len ? (start + len) : mtdinfo.size;
-    for (pos = start, opos = 0; pos < end; pos += mtdinfo.writesize) {
-        bad_block = 0;
-        if (verbose > 3)
-            printf("reading at %" PRIx64 "\n", pos);
-        lseek64(fd, pos, SEEK_SET);
-        ret = read(fd, buffer, mtdinfo.writesize + rawmode);
-        if (ret < (int)mtdinfo.writesize) {
-            fprintf(stderr, "short read at %" PRIx64 ", %d\n", pos, ret);
-            bad_block = 2;
-        }
-        if (!rawmode) {
-            oobbuf.start = pos;
-            ret = ioctl(fd, MEMREADOOB, &oobbuf);
-            if (ret) {
-                fprintf(stderr, "failed to read oob data at %" PRIx64 ", %d\n", pos, ret);
-                bad_block = 2;
-            }
-        }
-        ret = ioctl(fd, ECCGETSTATS, &ecc);
-        if (ret) {
-            fprintf(stderr, "failed get ecc stats for %s, %s\n",
-                    devname, strerror(errno));
-            return 1;
-        }
-        bpos = pos / mtdinfo.erasesize * mtdinfo.erasesize;
-        ret = ioctl(fd, MEMGETBADBLOCK, &bpos);
-        if (ret && errno != EOPNOTSUPP) {
-            printf("badblock at %" PRIx64 "\n", pos);
-            bad_block = 1;
-        }
-        if (ecc.corrected != last_ecc.corrected)
-            printf("ecc corrected, %u, at %" PRIx64 "\n", ecc.corrected - last_ecc.corrected, pos);
-        if (ecc.failed != last_ecc.failed)
-            printf("ecc failed, %u, at %" PRIx64 "\n", ecc.failed - last_ecc.failed, pos);
-        if (ecc.badblocks != last_ecc.badblocks)
-            printf("ecc badblocks, %u, at %" PRIx64 "\n", ecc.badblocks - last_ecc.badblocks, pos);
-        if (ecc.bbtblocks != last_ecc.bbtblocks)
-            printf("ecc bbtblocks, %u, at %" PRIx64 "\n", ecc.bbtblocks - last_ecc.bbtblocks, pos);
-
-        if (!rawmode) {
-            oob_fixed = (uint8_t *)oob_data;
-            for (i = 0; i < MTD_MAX_OOBFREE_ENTRIES; i++) {
-                int len = ecclayout.oobfree[i].length;
-                if (oob_fixed + len > oobbuf.ptr)
-                    len = oobbuf.ptr - oob_fixed;
-                if (len) {
-                    memcpy(oob_fixed, oobbuf.ptr + ecclayout.oobfree[i].offset, len);
-                    oob_fixed += len;
-                }
-            }
-        }
-
-        if (outfd >= 0) {
-            ret = write(outfd, buffer, mtdinfo.writesize + spare_size);
-            if (ret < (int)(mtdinfo.writesize + spare_size)) {
-                fprintf(stderr, "short write at %" PRIx64 ", %d\n", pos, ret);
-                close(outfd);
-                outfd = -1;
-            }
-            if (ecc.corrected != last_ecc.corrected)
-                fprintf(statusfile, "%08" PRIx64 ": ecc corrected\n", opos);
-            if (ecc.failed != last_ecc.failed)
-                fprintf(statusfile, "%08" PRIx64 ": ecc failed\n", opos);
-            if (bad_block == 1)
-                fprintf(statusfile, "%08" PRIx64 ": badblock\n", opos);
-            if (bad_block == 2)
-                fprintf(statusfile, "%08" PRIx64 ": read error\n", opos);
-            opos += mtdinfo.writesize + spare_size;
-        }
-
-        last_ecc = ecc;
-        page_count++;
-        if (test_empty(buffer, mtdinfo.writesize + mtdinfo.oobsize + spare_size))
-            empty_pages++;
-        else if (verbose > 2 || (verbose > 1 && !(pos & (mtdinfo.erasesize - 1))))
-            printf("page at %" PRIx64 " (%d oobbytes): %08x %08x %08x %08x "
-                   "%08x %08x %08x %08x\n", pos, oobbuf.start,
-                   oob_data[0], oob_data[1], oob_data[2], oob_data[3],
-                   oob_data[4], oob_data[5], oob_data[6], oob_data[7]);
-    }
-
-    if (outfd >= 0) {
-        fprintf(statusfile, "read %d pages, %d empty\n", page_count, empty_pages);
-        fprintf(statusfile, "total ecc corrected, %u\n", ecc.corrected - initial_ecc.corrected);
-        fprintf(statusfile, "total ecc failed, %u\n", ecc.failed - initial_ecc.failed);
-        fprintf(statusfile, "total ecc badblocks, %u\n", ecc.badblocks - initial_ecc.badblocks);
-        fprintf(statusfile, "total ecc bbtblocks, %u\n", ecc.bbtblocks - initial_ecc.bbtblocks);
-    }
-    if (verbose) {
-        printf("total ecc corrected, %u\n", ecc.corrected - initial_ecc.corrected);
-        printf("total ecc failed, %u\n", ecc.failed - initial_ecc.failed);
-        printf("total ecc badblocks, %u\n", ecc.badblocks - initial_ecc.badblocks);
-        printf("total ecc bbtblocks, %u\n", ecc.bbtblocks - initial_ecc.bbtblocks);
-    }
-    printf("read %d pages, %d empty\n", page_count, empty_pages);
-
-    return 0;
-}