1 // SPDX-License-Identifier: GPL-2.0-only
24 static int dev = -EINVAL;
47 	loff_t addr = (loff_t)ebnum * mtd->erasesize;  in multiblock_erase()
51 	ei.len  = mtd->erasesize * blocks;  in multiblock_erase()
65 	loff_t addr = (loff_t)ebnum * mtd->erasesize;  in write_eraseblock()
67 	return mtdtest_write(mtd, addr, mtd->erasesize, iobuf);  in write_eraseblock()
73 	loff_t addr = (loff_t)ebnum * mtd->erasesize;  in write_eraseblock_by_page()
91 	loff_t addr = (loff_t)ebnum * mtd->erasesize;  in write_eraseblock_by_2pages()
109 	loff_t addr = (loff_t)ebnum * mtd->erasesize;  in read_eraseblock()
111 	return mtdtest_read(mtd, addr, mtd->erasesize, iobuf);  in read_eraseblock()
117 	loff_t addr = (loff_t)ebnum * mtd->erasesize;  in read_eraseblock_by_page()
135 	loff_t addr = (loff_t)ebnum * mtd->erasesize;  in read_eraseblock_by_2pages()
168 	k = (uint64_t)goodebcnt * (mtd->erasesize / 1024) * 1000000;  in calc_speed()
183 		pr_info("Please specify a valid mtd-device via module parameter\n");  in mtd_speedtest_init()
185 		return -EINVAL;  in mtd_speedtest_init()
200 	if (mtd->writesize == 1) {  in mtd_speedtest_init()
201 		pr_info("not NAND flash, assume page size is 512 "  in mtd_speedtest_init()
205 		pgsize = mtd->writesize;  in mtd_speedtest_init()
207 	tmp = mtd->size;  in mtd_speedtest_init()
208 	do_div(tmp, mtd->erasesize);  in mtd_speedtest_init()
210 	pgcnt = mtd->erasesize / pgsize;  in mtd_speedtest_init()
212 	pr_info("MTD device size %llu, eraseblock size %u, "  in mtd_speedtest_init()
213 	       "page size %u, count of eraseblocks %u, pages per "  in mtd_speedtest_init()
214 	       "eraseblock %u, OOB size %u\n",  in mtd_speedtest_init()
215 	       (unsigned long long)mtd->size, mtd->erasesize,  in mtd_speedtest_init()
216 	       pgsize, ebcnt, pgcnt, mtd->oobsize);  in mtd_speedtest_init()
221 	err = -ENOMEM;  in mtd_speedtest_init()
222 	iobuf = kmalloc(mtd->erasesize, GFP_KERNEL);  in mtd_speedtest_init()
226 	get_random_bytes(iobuf, mtd->erasesize);  in mtd_speedtest_init()
359 	/* Erase all eraseblocks */  in mtd_speedtest_init()
360 	pr_info("Testing erase speed\n");  in mtd_speedtest_init()
367 	pr_info("erase speed is %ld KiB/s\n", speed);  in mtd_speedtest_init()
369 	/* Multi-block erase all eraseblocks */  in mtd_speedtest_init()
372 		pr_info("Testing %dx multi-block erase speed\n",  in mtd_speedtest_init()
395 		pr_info("%dx multi-block erase speed is %ld KiB/s\n",  in mtd_speedtest_init()