diff options
Diffstat (limited to 'drivers/mtd/tests/mtd_oobtest.c')
-rw-r--r-- | drivers/mtd/tests/mtd_oobtest.c | 171 |
1 files changed, 84 insertions, 87 deletions
diff --git a/drivers/mtd/tests/mtd_oobtest.c b/drivers/mtd/tests/mtd_oobtest.c index ed9b62827f1b..e86bb29419a2 100644 --- a/drivers/mtd/tests/mtd_oobtest.c +++ b/drivers/mtd/tests/mtd_oobtest.c @@ -19,6 +19,8 @@ * Author: Adrian Hunter <ext-adrian.hunter@nokia.com> */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <asm/div64.h> #include <linux/init.h> #include <linux/module.h> @@ -28,8 +30,6 @@ #include <linux/slab.h> #include <linux/sched.h> -#define PRINT_PREF KERN_INFO "mtd_oobtest: " - static int dev = -EINVAL; module_param(dev, int, S_IRUGO); MODULE_PARM_DESC(dev, "MTD device number to use"); @@ -80,13 +80,12 @@ static int erase_eraseblock(int ebnum) err = mtd_erase(mtd, &ei); if (err) { - printk(PRINT_PREF "error %d while erasing EB %d\n", err, ebnum); + pr_err("error %d while erasing EB %d\n", err, ebnum); return err; } if (ei.state == MTD_ERASE_FAILED) { - printk(PRINT_PREF "some erase error occurred at EB %d\n", - ebnum); + pr_err("some erase error occurred at EB %d\n", ebnum); return -EIO; } @@ -98,7 +97,7 @@ static int erase_whole_device(void) int err; unsigned int i; - printk(PRINT_PREF "erasing whole device\n"); + pr_info("erasing whole device\n"); for (i = 0; i < ebcnt; ++i) { if (bbt[i]) continue; @@ -107,7 +106,7 @@ static int erase_whole_device(void) return err; cond_resched(); } - printk(PRINT_PREF "erased %u eraseblocks\n", i); + pr_info("erased %u eraseblocks\n", i); return 0; } @@ -141,9 +140,9 @@ static int write_eraseblock(int ebnum) ops.oobbuf = writebuf; err = mtd_write_oob(mtd, addr, &ops); if (err || ops.oobretlen != use_len) { - printk(PRINT_PREF "error: writeoob failed at %#llx\n", + pr_err("error: writeoob failed at %#llx\n", (long long)addr); - printk(PRINT_PREF "error: use_len %d, use_offset %d\n", + pr_err("error: use_len %d, use_offset %d\n", use_len, use_offset); errcnt += 1; return err ? err : -1; @@ -160,7 +159,7 @@ static int write_whole_device(void) int err; unsigned int i; - printk(PRINT_PREF "writing OOBs of whole device\n"); + pr_info("writing OOBs of whole device\n"); for (i = 0; i < ebcnt; ++i) { if (bbt[i]) continue; @@ -168,10 +167,10 @@ static int write_whole_device(void) if (err) return err; if (i % 256 == 0) - printk(PRINT_PREF "written up to eraseblock %u\n", i); + pr_info("written up to eraseblock %u\n", i); cond_resched(); } - printk(PRINT_PREF "written %u eraseblocks\n", i); + pr_info("written %u eraseblocks\n", i); return 0; } @@ -194,17 +193,17 @@ static int verify_eraseblock(int ebnum) ops.oobbuf = readbuf; err = mtd_read_oob(mtd, addr, &ops); if (err || ops.oobretlen != use_len) { - printk(PRINT_PREF "error: readoob failed at %#llx\n", + pr_err("error: readoob failed at %#llx\n", (long long)addr); errcnt += 1; return err ? err : -1; } if (memcmp(readbuf, writebuf, use_len)) { - printk(PRINT_PREF "error: verify failed at %#llx\n", + pr_err("error: verify failed at %#llx\n", (long long)addr); errcnt += 1; if (errcnt > 1000) { - printk(PRINT_PREF "error: too many errors\n"); + pr_err("error: too many errors\n"); return -1; } } @@ -221,29 +220,28 @@ static int verify_eraseblock(int ebnum) ops.oobbuf = readbuf; err = mtd_read_oob(mtd, addr, &ops); if (err || ops.oobretlen != mtd->ecclayout->oobavail) { - printk(PRINT_PREF "error: readoob failed at " - "%#llx\n", (long long)addr); + pr_err("error: readoob failed at %#llx\n", + (long long)addr); errcnt += 1; return err ? err : -1; } if (memcmp(readbuf + use_offset, writebuf, use_len)) { - printk(PRINT_PREF "error: verify failed at " - "%#llx\n", (long long)addr); + pr_err("error: verify failed at %#llx\n", + (long long)addr); errcnt += 1; if (errcnt > 1000) { - printk(PRINT_PREF "error: too many " - "errors\n"); + pr_err("error: too many errors\n"); return -1; } } for (k = 0; k < use_offset; ++k) if (readbuf[k] != 0xff) { - printk(PRINT_PREF "error: verify 0xff " + pr_err("error: verify 0xff " "failed at %#llx\n", (long long)addr); errcnt += 1; if (errcnt > 1000) { - printk(PRINT_PREF "error: too " + pr_err("error: too " "many errors\n"); return -1; } @@ -251,12 +249,12 @@ static int verify_eraseblock(int ebnum) for (k = use_offset + use_len; k < mtd->ecclayout->oobavail; ++k) if (readbuf[k] != 0xff) { - printk(PRINT_PREF "error: verify 0xff " + pr_err("error: verify 0xff " "failed at %#llx\n", (long long)addr); errcnt += 1; if (errcnt > 1000) { - printk(PRINT_PREF "error: too " + pr_err("error: too " "many errors\n"); return -1; } @@ -286,17 +284,17 @@ static int verify_eraseblock_in_one_go(int ebnum) ops.oobbuf = readbuf; err = mtd_read_oob(mtd, addr, &ops); if (err || ops.oobretlen != len) { - printk(PRINT_PREF "error: readoob failed at %#llx\n", + pr_err("error: readoob failed at %#llx\n", (long long)addr); errcnt += 1; return err ? err : -1; } if (memcmp(readbuf, writebuf, len)) { - printk(PRINT_PREF "error: verify failed at %#llx\n", + pr_err("error: verify failed at %#llx\n", (long long)addr); errcnt += 1; if (errcnt > 1000) { - printk(PRINT_PREF "error: too many errors\n"); + pr_err("error: too many errors\n"); return -1; } } @@ -309,7 +307,7 @@ static int verify_all_eraseblocks(void) int err; unsigned int i; - printk(PRINT_PREF "verifying all eraseblocks\n"); + pr_info("verifying all eraseblocks\n"); for (i = 0; i < ebcnt; ++i) { if (bbt[i]) continue; @@ -317,10 +315,10 @@ static int verify_all_eraseblocks(void) if (err) return err; if (i % 256 == 0) - printk(PRINT_PREF "verified up to eraseblock %u\n", i); + pr_info("verified up to eraseblock %u\n", i); cond_resched(); } - printk(PRINT_PREF "verified %u eraseblocks\n", i); + pr_info("verified %u eraseblocks\n", i); return 0; } @@ -331,7 +329,7 @@ static int is_block_bad(int ebnum) ret = mtd_block_isbad(mtd, addr); if (ret) - printk(PRINT_PREF "block %d is bad\n", ebnum); + pr_info("block %d is bad\n", ebnum); return ret; } @@ -341,18 +339,18 @@ static int scan_for_bad_eraseblocks(void) bbt = kmalloc(ebcnt, GFP_KERNEL); if (!bbt) { - printk(PRINT_PREF "error: cannot allocate memory\n"); + pr_err("error: cannot allocate memory\n"); return -ENOMEM; } - printk(PRINT_PREF "scanning for bad eraseblocks\n"); + pr_info("scanning for bad eraseblocks\n"); for (i = 0; i < ebcnt; ++i) { bbt[i] = is_block_bad(i) ? 1 : 0; if (bbt[i]) bad += 1; cond_resched(); } - printk(PRINT_PREF "scanned %d eraseblocks, %d are bad\n", i, bad); + pr_info("scanned %d eraseblocks, %d are bad\n", i, bad); return 0; } @@ -368,22 +366,22 @@ static int __init mtd_oobtest_init(void) printk(KERN_INFO "=================================================\n"); if (dev < 0) { - printk(PRINT_PREF "Please specify a valid mtd-device via module paramter\n"); - printk(KERN_CRIT "CAREFUL: This test wipes all data on the specified MTD device!\n"); + pr_info("Please specify a valid mtd-device via module paramter\n"); + pr_crit(KERN_CRIT "CAREFUL: This test wipes all data on the specified MTD device!\n"); return -EINVAL; } - printk(PRINT_PREF "MTD device: %d\n", dev); + pr_info("MTD device: %d\n", dev); mtd = get_mtd_device(NULL, dev); if (IS_ERR(mtd)) { err = PTR_ERR(mtd); - printk(PRINT_PREF "error: cannot get MTD device\n"); + pr_err("error: cannot get MTD device\n"); return err; } if (mtd->type != MTD_NANDFLASH) { - printk(PRINT_PREF "this test requires NAND flash\n"); + pr_info("this test requires NAND flash\n"); goto out; } @@ -392,7 +390,7 @@ static int __init mtd_oobtest_init(void) ebcnt = tmp; pgcnt = mtd->erasesize / mtd->writesize; - printk(PRINT_PREF "MTD device size %llu, eraseblock size %u, " + pr_info("MTD device size %llu, eraseblock size %u, " "page size %u, count of eraseblocks %u, pages per " "eraseblock %u, OOB size %u\n", (unsigned long long)mtd->size, mtd->erasesize, @@ -401,12 +399,12 @@ static int __init mtd_oobtest_init(void) err = -ENOMEM; readbuf = kmalloc(mtd->erasesize, GFP_KERNEL); if (!readbuf) { - printk(PRINT_PREF "error: cannot allocate memory\n"); + pr_err("error: cannot allocate memory\n"); goto out; } writebuf = kmalloc(mtd->erasesize, GFP_KERNEL); if (!writebuf) { - printk(PRINT_PREF "error: cannot allocate memory\n"); + pr_err("error: cannot allocate memory\n"); goto out; } @@ -420,7 +418,7 @@ static int __init mtd_oobtest_init(void) vary_offset = 0; /* First test: write all OOB, read it back and verify */ - printk(PRINT_PREF "test 1 of 5\n"); + pr_info("test 1 of 5\n"); err = erase_whole_device(); if (err) @@ -440,7 +438,7 @@ static int __init mtd_oobtest_init(void) * Second test: write all OOB, a block at a time, read it back and * verify. */ - printk(PRINT_PREF "test 2 of 5\n"); + pr_info("test 2 of 5\n"); err = erase_whole_device(); if (err) @@ -453,7 +451,7 @@ static int __init mtd_oobtest_init(void) /* Check all eraseblocks */ simple_srand(3); - printk(PRINT_PREF "verifying all eraseblocks\n"); + pr_info("verifying all eraseblocks\n"); for (i = 0; i < ebcnt; ++i) { if (bbt[i]) continue; @@ -461,16 +459,16 @@ static int __init mtd_oobtest_init(void) if (err) goto out; if (i % 256 == 0) - printk(PRINT_PREF "verified up to eraseblock %u\n", i); + pr_info("verified up to eraseblock %u\n", i); cond_resched(); } - printk(PRINT_PREF "verified %u eraseblocks\n", i); + pr_info("verified %u eraseblocks\n", i); /* * Third test: write OOB at varying offsets and lengths, read it back * and verify. */ - printk(PRINT_PREF "test 3 of 5\n"); + pr_info("test 3 of 5\n"); err = erase_whole_device(); if (err) @@ -503,7 +501,7 @@ static int __init mtd_oobtest_init(void) vary_offset = 0; /* Fourth test: try to write off end of device */ - printk(PRINT_PREF "test 4 of 5\n"); + pr_info("test 4 of 5\n"); err = erase_whole_device(); if (err) @@ -522,14 +520,14 @@ static int __init mtd_oobtest_init(void) ops.ooboffs = mtd->ecclayout->oobavail; ops.datbuf = NULL; ops.oobbuf = writebuf; - printk(PRINT_PREF "attempting to start write past end of OOB\n"); - printk(PRINT_PREF "an error is expected...\n"); + pr_info("attempting to start write past end of OOB\n"); + pr_info("an error is expected...\n"); err = mtd_write_oob(mtd, addr0, &ops); if (err) { - printk(PRINT_PREF "error occurred as expected\n"); + pr_info("error occurred as expected\n"); err = 0; } else { - printk(PRINT_PREF "error: can write past end of OOB\n"); + pr_err("error: can write past end of OOB\n"); errcnt += 1; } @@ -542,19 +540,19 @@ static int __init mtd_oobtest_init(void) ops.ooboffs = mtd->ecclayout->oobavail; ops.datbuf = NULL; ops.oobbuf = readbuf; - printk(PRINT_PREF "attempting to start read past end of OOB\n"); - printk(PRINT_PREF "an error is expected...\n"); + pr_info("attempting to start read past end of OOB\n"); + pr_info("an error is expected...\n"); err = mtd_read_oob(mtd, addr0, &ops); if (err) { - printk(PRINT_PREF "error occurred as expected\n"); + pr_info("error occurred as expected\n"); err = 0; } else { - printk(PRINT_PREF "error: can read past end of OOB\n"); + pr_err("error: can read past end of OOB\n"); errcnt += 1; } if (bbt[ebcnt - 1]) - printk(PRINT_PREF "skipping end of device tests because last " + pr_info("skipping end of device tests because last " "block is bad\n"); else { /* Attempt to write off end of device */ @@ -566,14 +564,14 @@ static int __init mtd_oobtest_init(void) ops.ooboffs = 0; ops.datbuf = NULL; ops.oobbuf = writebuf; - printk(PRINT_PREF "attempting to write past end of device\n"); - printk(PRINT_PREF "an error is expected...\n"); + pr_info("attempting to write past end of device\n"); + pr_info("an error is expected...\n"); err = mtd_write_oob(mtd, mtd->size - mtd->writesize, &ops); if (err) { - printk(PRINT_PREF "error occurred as expected\n"); + pr_info("error occurred as expected\n"); err = 0; } else { - printk(PRINT_PREF "error: wrote past end of device\n"); + pr_err("error: wrote past end of device\n"); errcnt += 1; } @@ -586,14 +584,14 @@ static int __init mtd_oobtest_init(void) ops.ooboffs = 0; ops.datbuf = NULL; ops.oobbuf = readbuf; - printk(PRINT_PREF "attempting to read past end of device\n"); - printk(PRINT_PREF "an error is expected...\n"); + pr_info("attempting to read past end of device\n"); + pr_info("an error is expected...\n"); err = mtd_read_oob(mtd, mtd->size - mtd->writesize, &ops); if (err) { - printk(PRINT_PREF "error occurred as expected\n"); + pr_info("error occurred as expected\n"); err = 0; } else { - printk(PRINT_PREF "error: read past end of device\n"); + pr_err("error: read past end of device\n"); errcnt += 1; } @@ -610,14 +608,14 @@ static int __init mtd_oobtest_init(void) ops.ooboffs = 1; ops.datbuf = NULL; ops.oobbuf = writebuf; - printk(PRINT_PREF "attempting to write past end of device\n"); - printk(PRINT_PREF "an error is expected...\n"); + pr_info("attempting to write past end of device\n"); + pr_info("an error is expected...\n"); err = mtd_write_oob(mtd, mtd->size - mtd->writesize, &ops); if (err) { - printk(PRINT_PREF "error occurred as expected\n"); + pr_info("error occurred as expected\n"); err = 0; } else { - printk(PRINT_PREF "error: wrote past end of device\n"); + pr_err("error: wrote past end of device\n"); errcnt += 1; } @@ -630,20 +628,20 @@ static int __init mtd_oobtest_init(void) ops.ooboffs = 1; ops.datbuf = NULL; ops.oobbuf = readbuf; - printk(PRINT_PREF "attempting to read past end of device\n"); - printk(PRINT_PREF "an error is expected...\n"); + pr_info("attempting to read past end of device\n"); + pr_info("an error is expected...\n"); err = mtd_read_oob(mtd, mtd->size - mtd->writesize, &ops); if (err) { - printk(PRINT_PREF "error occurred as expected\n"); + pr_info("error occurred as expected\n"); err = 0; } else { - printk(PRINT_PREF "error: read past end of device\n"); + pr_err("error: read past end of device\n"); errcnt += 1; } } /* Fifth test: write / read across block boundaries */ - printk(PRINT_PREF "test 5 of 5\n"); + pr_info("test 5 of 5\n"); /* Erase all eraseblocks */ err = erase_whole_device(); @@ -652,7 +650,7 @@ static int __init mtd_oobtest_init(void) /* Write all eraseblocks */ simple_srand(11); - printk(PRINT_PREF "writing OOBs of whole device\n"); + pr_info("writing OOBs of whole device\n"); for (i = 0; i < ebcnt - 1; ++i) { int cnt = 2; int pg; @@ -674,17 +672,16 @@ static int __init mtd_oobtest_init(void) if (err) goto out; if (i % 256 == 0) - printk(PRINT_PREF "written up to eraseblock " - "%u\n", i); + pr_info("written up to eraseblock %u\n", i); cond_resched(); addr += mtd->writesize; } } - printk(PRINT_PREF "written %u eraseblocks\n", i); + pr_info("written %u eraseblocks\n", i); /* Check all eraseblocks */ simple_srand(11); - printk(PRINT_PREF "verifying all eraseblocks\n"); + pr_info("verifying all eraseblocks\n"); for (i = 0; i < ebcnt - 1; ++i) { if (bbt[i] || bbt[i + 1]) continue; @@ -702,28 +699,28 @@ static int __init mtd_oobtest_init(void) if (err) goto out; if (memcmp(readbuf, writebuf, mtd->ecclayout->oobavail * 2)) { - printk(PRINT_PREF "error: verify failed at %#llx\n", + pr_err("error: verify failed at %#llx\n", (long long)addr); errcnt += 1; if (errcnt > 1000) { - printk(PRINT_PREF "error: too many errors\n"); + pr_err("error: too many errors\n"); goto out; } } if (i % 256 == 0) - printk(PRINT_PREF "verified up to eraseblock %u\n", i); + pr_info("verified up to eraseblock %u\n", i); cond_resched(); } - printk(PRINT_PREF "verified %u eraseblocks\n", i); + pr_info("verified %u eraseblocks\n", i); - printk(PRINT_PREF "finished with %d errors\n", errcnt); + pr_info("finished with %d errors\n", errcnt); out: kfree(bbt); kfree(writebuf); kfree(readbuf); put_mtd_device(mtd); if (err) - printk(PRINT_PREF "error %d occurred\n", err); + pr_info("error %d occurred\n", err); printk(KERN_INFO "=================================================\n"); return err; } |