mtd/tests/subpagetest.c

15 #include <linux/mtd/mtd.h>
26 static struct mtd_info *mtd;
47 	loff_t addr = (loff_t)ebnum * mtd->erasesize;
50 	err = mtd_write(mtd, addr, subpgsize, &written, writebuf);
64 	err = mtd_write(mtd, addr, subpgsize, &written, writebuf);
82 	loff_t addr = (loff_t)ebnum * mtd->erasesize;
85 		if (addr + (subpgsize * k) > (loff_t)(ebnum + 1) * mtd->erasesize)
88 		err = mtd_write(mtd, addr, subpgsize * k, &written, writebuf);
121 	loff_t addr = (loff_t)ebnum * mtd->erasesize;
125 	err = mtd_read(mtd, addr, subpgsize, &read, readbuf);
152 	err = mtd_read(mtd, addr, subpgsize, &read, readbuf);
182 	loff_t addr = (loff_t)ebnum * mtd->erasesize;
185 		if (addr + (subpgsize * k) > (loff_t)(ebnum + 1) * mtd->erasesize)
189 		err = mtd_read(mtd, addr, subpgsize * k, &read, readbuf);
217 	loff_t addr = (loff_t)ebnum * mtd->erasesize;
220 	for (j = 0; j < mtd->erasesize / subpgsize; ++j) {
222 		err = mtd_read(mtd, addr, subpgsize, &read, readbuf);
278 		pr_info("Please specify a valid mtd-device via module parameter\n");
285 	mtd = get_mtd_device(NULL, dev);
286 	if (IS_ERR(mtd)) {
287 		err = PTR_ERR(mtd);
292 	if (!mtd_type_is_nand(mtd)) {
297 	subpgsize = mtd->writesize >> mtd->subpage_sft;
298 	tmp = mtd->size;
299 	do_div(tmp, mtd->erasesize);
301 	pgcnt = mtd->erasesize / mtd->writesize;
306 	       (unsigned long long)mtd->size, mtd->erasesize,
307 	       mtd->writesize, subpgsize, ebcnt, pgcnt, mtd->oobsize);
321 	err = mtdtest_scan_for_bad_eraseblocks(mtd, bbt, 0, ebcnt);
325 	err = mtdtest_erase_good_eraseblocks(mtd, bbt, 0, ebcnt);
363 	err = mtdtest_erase_good_eraseblocks(mtd, bbt, 0, ebcnt);
407 	err = mtdtest_erase_good_eraseblocks(mtd, bbt, 0, ebcnt);
421 	put_mtd_device(mtd);