35 #include <linux/mtd/mtd.h>
37 #include <linux/mtd/rawnand.h>
43 MODULE_PARM_DESC(dev, "MTD device number to use");
67 static struct mtd_info *mtd;   /* MTD device */  variable
95 	return mtdtest_write(mtd, offset, mtd->writesize, wbuffer);  in write_page()
108 	ops.len       = mtd->writesize;  in rewrite_page()
116 	err = mtd_write_oob(mtd, offset, &ops);  in rewrite_page()
117 	if (err || ops.retlen != mtd->writesize) {  in rewrite_page()
137 	/* Saving last mtd stats */  in read_page()
138 	memcpy(&oldstats, &mtd->ecc_stats, sizeof(oldstats));  in read_page()
140 	err = mtd_read(mtd, offset, mtd->writesize, &read, rbuffer);  in read_page()
142 		err = mtd->ecc_stats.corrected - oldstats.corrected;  in read_page()
144 	if (err < 0 || read != mtd->writesize) {  in read_page()
161 	for (i = 0; i < mtd->writesize; i++) {  in verify_page()
184 	while (byte < mtd->writesize) {  in insert_biterror()
208 	for (i = 0; i < mtd->writesize; i++)  in incremental_errors_test()
271 	for (i = 0; i < mtd->writesize; i++)  in overwrite_test()
334 	pr_info("MTD device: %d\n", dev);  in mtd_nandbiterrs_init()
336 	mtd = get_mtd_device(NULL, dev);  in mtd_nandbiterrs_init()
337 	if (IS_ERR(mtd)) {  in mtd_nandbiterrs_init()
338 		err = PTR_ERR(mtd);  in mtd_nandbiterrs_init()
339 		pr_err("error: cannot get MTD device\n");  in mtd_nandbiterrs_init()
343 	if (!mtd_type_is_nand(mtd)) {  in mtd_nandbiterrs_init()
349 	pr_info("MTD device size %llu, eraseblock=%u, page=%u, oob=%u\n",  in mtd_nandbiterrs_init()
350 		(unsigned long long)mtd->size, mtd->erasesize,  in mtd_nandbiterrs_init()
351 		mtd->writesize, mtd->oobsize);  in mtd_nandbiterrs_init()
353 	subsize  = mtd->writesize >> mtd->subpage_sft;  in mtd_nandbiterrs_init()
354 	subcount = mtd->writesize / subsize;  in mtd_nandbiterrs_init()
358 	offset     = (loff_t)page_offset * mtd->writesize;  in mtd_nandbiterrs_init()
359 	eraseblock = mtd_div_by_eb(offset, mtd);  in mtd_nandbiterrs_init()
364 	wbuffer = kmalloc(mtd->writesize, GFP_KERNEL);  in mtd_nandbiterrs_init()
370 	rbuffer = kmalloc(mtd->writesize, GFP_KERNEL);  in mtd_nandbiterrs_init()
376 	err = mtdtest_erase_eraseblock(mtd, eraseblock);  in mtd_nandbiterrs_init()
389 	err = mtdtest_erase_eraseblock(mtd, eraseblock);  in mtd_nandbiterrs_init()
404 	put_mtd_device(mtd);  in mtd_nandbiterrs_init()