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mtd: mtd_oobtest: printk -> pr_{info,err,crit}
Use pr_info() and pr_err() while defining pr_fmt(). This saves a few characters, joins a few lines, and makes the code a little more readable (and grep-able). Signed-off-by: Brian Norris <computersforpeace@gmail.com> Signed-off-by: Vikram Narayanan <vikram186@gmail.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
This commit is contained in:
Vikram Narayanan
Artem Bityutskiy
parent
95637c3a0e
commit
04810274a9
@ -19,6 +19,8 @@
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* Author: Adrian Hunter <ext-adrian.hunter@nokia.com>
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*/
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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#include <asm/div64.h>
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#include <linux/init.h>
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#include <linux/module.h>
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@ -28,8 +30,6 @@
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#include <linux/slab.h>
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#include <linux/sched.h>
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#define PRINT_PREF KERN_INFO "mtd_oobtest: "
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static int dev = -EINVAL;
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module_param(dev, int, S_IRUGO);
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MODULE_PARM_DESC(dev, "MTD device number to use");
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@ -80,13 +80,12 @@ static int erase_eraseblock(int ebnum)
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err = mtd_erase(mtd, &ei);
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if (err) {
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printk(PRINT_PREF "error %d while erasing EB %d\n", err, ebnum);
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pr_err("error %d while erasing EB %d\n", err, ebnum);
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return err;
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}
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if (ei.state == MTD_ERASE_FAILED) {
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printk(PRINT_PREF "some erase error occurred at EB %d\n",
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ebnum);
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pr_err("some erase error occurred at EB %d\n", ebnum);
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return -EIO;
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}
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@ -98,7 +97,7 @@ static int erase_whole_device(void)
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int err;
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unsigned int i;
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printk(PRINT_PREF "erasing whole device\n");
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pr_info("erasing whole device\n");
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for (i = 0; i < ebcnt; ++i) {
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if (bbt[i])
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continue;
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@ -107,7 +106,7 @@ static int erase_whole_device(void)
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return err;
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cond_resched();
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}
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printk(PRINT_PREF "erased %u eraseblocks\n", i);
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pr_info("erased %u eraseblocks\n", i);
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return 0;
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}
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@ -141,9 +140,9 @@ static int write_eraseblock(int ebnum)
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ops.oobbuf = writebuf;
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err = mtd_write_oob(mtd, addr, &ops);
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if (err || ops.oobretlen != use_len) {
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printk(PRINT_PREF "error: writeoob failed at %#llx\n",
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pr_err("error: writeoob failed at %#llx\n",
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(long long)addr);
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printk(PRINT_PREF "error: use_len %d, use_offset %d\n",
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pr_err("error: use_len %d, use_offset %d\n",
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use_len, use_offset);
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errcnt += 1;
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return err ? err : -1;
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@ -160,7 +159,7 @@ static int write_whole_device(void)
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int err;
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unsigned int i;
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printk(PRINT_PREF "writing OOBs of whole device\n");
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pr_info("writing OOBs of whole device\n");
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for (i = 0; i < ebcnt; ++i) {
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if (bbt[i])
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continue;
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@ -168,10 +167,10 @@ static int write_whole_device(void)
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if (err)
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return err;
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if (i % 256 == 0)
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printk(PRINT_PREF "written up to eraseblock %u\n", i);
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pr_info("written up to eraseblock %u\n", i);
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cond_resched();
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}
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printk(PRINT_PREF "written %u eraseblocks\n", i);
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pr_info("written %u eraseblocks\n", i);
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return 0;
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}
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@ -194,17 +193,17 @@ static int verify_eraseblock(int ebnum)
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ops.oobbuf = readbuf;
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err = mtd_read_oob(mtd, addr, &ops);
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if (err || ops.oobretlen != use_len) {
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printk(PRINT_PREF "error: readoob failed at %#llx\n",
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pr_err("error: readoob failed at %#llx\n",
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(long long)addr);
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errcnt += 1;
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return err ? err : -1;
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}
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if (memcmp(readbuf, writebuf, use_len)) {
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printk(PRINT_PREF "error: verify failed at %#llx\n",
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pr_err("error: verify failed at %#llx\n",
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(long long)addr);
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errcnt += 1;
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if (errcnt > 1000) {
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printk(PRINT_PREF "error: too many errors\n");
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pr_err("error: too many errors\n");
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return -1;
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}
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}
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@ -221,29 +220,28 @@ static int verify_eraseblock(int ebnum)
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ops.oobbuf = readbuf;
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err = mtd_read_oob(mtd, addr, &ops);
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if (err || ops.oobretlen != mtd->ecclayout->oobavail) {
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printk(PRINT_PREF "error: readoob failed at "
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"%#llx\n", (long long)addr);
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pr_err("error: readoob failed at %#llx\n",
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(long long)addr);
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errcnt += 1;
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return err ? err : -1;
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}
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if (memcmp(readbuf + use_offset, writebuf, use_len)) {
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printk(PRINT_PREF "error: verify failed at "
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"%#llx\n", (long long)addr);
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pr_err("error: verify failed at %#llx\n",
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(long long)addr);
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errcnt += 1;
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if (errcnt > 1000) {
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printk(PRINT_PREF "error: too many "
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"errors\n");
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pr_err("error: too many errors\n");
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return -1;
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}
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}
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for (k = 0; k < use_offset; ++k)
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if (readbuf[k] != 0xff) {
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printk(PRINT_PREF "error: verify 0xff "
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pr_err("error: verify 0xff "
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"failed at %#llx\n",
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(long long)addr);
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errcnt += 1;
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if (errcnt > 1000) {
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printk(PRINT_PREF "error: too "
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pr_err("error: too "
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"many errors\n");
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return -1;
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}
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@ -251,12 +249,12 @@ static int verify_eraseblock(int ebnum)
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for (k = use_offset + use_len;
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k < mtd->ecclayout->oobavail; ++k)
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if (readbuf[k] != 0xff) {
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printk(PRINT_PREF "error: verify 0xff "
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pr_err("error: verify 0xff "
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"failed at %#llx\n",
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(long long)addr);
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errcnt += 1;
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if (errcnt > 1000) {
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printk(PRINT_PREF "error: too "
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pr_err("error: too "
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"many errors\n");
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return -1;
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}
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@ -286,17 +284,17 @@ static int verify_eraseblock_in_one_go(int ebnum)
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ops.oobbuf = readbuf;
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err = mtd_read_oob(mtd, addr, &ops);
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if (err || ops.oobretlen != len) {
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printk(PRINT_PREF "error: readoob failed at %#llx\n",
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pr_err("error: readoob failed at %#llx\n",
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(long long)addr);
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errcnt += 1;
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return err ? err : -1;
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}
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if (memcmp(readbuf, writebuf, len)) {
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printk(PRINT_PREF "error: verify failed at %#llx\n",
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pr_err("error: verify failed at %#llx\n",
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(long long)addr);
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errcnt += 1;
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if (errcnt > 1000) {
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printk(PRINT_PREF "error: too many errors\n");
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pr_err("error: too many errors\n");
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return -1;
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}
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}
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@ -309,7 +307,7 @@ static int verify_all_eraseblocks(void)
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int err;
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unsigned int i;
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printk(PRINT_PREF "verifying all eraseblocks\n");
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pr_info("verifying all eraseblocks\n");
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for (i = 0; i < ebcnt; ++i) {
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if (bbt[i])
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continue;
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@ -317,10 +315,10 @@ static int verify_all_eraseblocks(void)
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if (err)
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return err;
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if (i % 256 == 0)
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printk(PRINT_PREF "verified up to eraseblock %u\n", i);
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pr_info("verified up to eraseblock %u\n", i);
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cond_resched();
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}
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printk(PRINT_PREF "verified %u eraseblocks\n", i);
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pr_info("verified %u eraseblocks\n", i);
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return 0;
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}
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@ -331,7 +329,7 @@ static int is_block_bad(int ebnum)
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ret = mtd_block_isbad(mtd, addr);
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if (ret)
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printk(PRINT_PREF "block %d is bad\n", ebnum);
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pr_info("block %d is bad\n", ebnum);
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return ret;
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}
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@ -341,18 +339,18 @@ static int scan_for_bad_eraseblocks(void)
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bbt = kmalloc(ebcnt, GFP_KERNEL);
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if (!bbt) {
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printk(PRINT_PREF "error: cannot allocate memory\n");
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pr_err("error: cannot allocate memory\n");
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return -ENOMEM;
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}
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printk(PRINT_PREF "scanning for bad eraseblocks\n");
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pr_info("scanning for bad eraseblocks\n");
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for (i = 0; i < ebcnt; ++i) {
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bbt[i] = is_block_bad(i) ? 1 : 0;
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if (bbt[i])
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bad += 1;
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cond_resched();
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}
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printk(PRINT_PREF "scanned %d eraseblocks, %d are bad\n", i, bad);
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pr_info("scanned %d eraseblocks, %d are bad\n", i, bad);
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return 0;
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}
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@ -368,22 +366,22 @@ static int __init mtd_oobtest_init(void)
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printk(KERN_INFO "=================================================\n");
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if (dev < 0) {
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printk(PRINT_PREF "Please specify a valid mtd-device via module paramter\n");
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printk(KERN_CRIT "CAREFUL: This test wipes all data on the specified MTD device!\n");
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pr_info("Please specify a valid mtd-device via module paramter\n");
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pr_crit(KERN_CRIT "CAREFUL: This test wipes all data on the specified MTD device!\n");
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return -EINVAL;
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}
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printk(PRINT_PREF "MTD device: %d\n", dev);
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pr_info("MTD device: %d\n", dev);
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mtd = get_mtd_device(NULL, dev);
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if (IS_ERR(mtd)) {
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err = PTR_ERR(mtd);
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printk(PRINT_PREF "error: cannot get MTD device\n");
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pr_err("error: cannot get MTD device\n");
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return err;
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}
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if (mtd->type != MTD_NANDFLASH) {
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printk(PRINT_PREF "this test requires NAND flash\n");
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pr_info("this test requires NAND flash\n");
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goto out;
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}
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@ -392,7 +390,7 @@ static int __init mtd_oobtest_init(void)
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ebcnt = tmp;
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pgcnt = mtd->erasesize / mtd->writesize;
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printk(PRINT_PREF "MTD device size %llu, eraseblock size %u, "
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pr_info("MTD device size %llu, eraseblock size %u, "
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"page size %u, count of eraseblocks %u, pages per "
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"eraseblock %u, OOB size %u\n",
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(unsigned long long)mtd->size, mtd->erasesize,
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@ -401,12 +399,12 @@ static int __init mtd_oobtest_init(void)
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err = -ENOMEM;
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readbuf = kmalloc(mtd->erasesize, GFP_KERNEL);
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if (!readbuf) {
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printk(PRINT_PREF "error: cannot allocate memory\n");
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pr_err("error: cannot allocate memory\n");
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goto out;
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}
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writebuf = kmalloc(mtd->erasesize, GFP_KERNEL);
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if (!writebuf) {
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printk(PRINT_PREF "error: cannot allocate memory\n");
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pr_err("error: cannot allocate memory\n");
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goto out;
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}
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@ -420,7 +418,7 @@ static int __init mtd_oobtest_init(void)
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vary_offset = 0;
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/* First test: write all OOB, read it back and verify */
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printk(PRINT_PREF "test 1 of 5\n");
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pr_info("test 1 of 5\n");
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err = erase_whole_device();
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if (err)
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@ -440,7 +438,7 @@ static int __init mtd_oobtest_init(void)
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* Second test: write all OOB, a block at a time, read it back and
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* verify.
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*/
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printk(PRINT_PREF "test 2 of 5\n");
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pr_info("test 2 of 5\n");
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err = erase_whole_device();
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if (err)
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@ -453,7 +451,7 @@ static int __init mtd_oobtest_init(void)
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/* Check all eraseblocks */
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simple_srand(3);
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printk(PRINT_PREF "verifying all eraseblocks\n");
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pr_info("verifying all eraseblocks\n");
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for (i = 0; i < ebcnt; ++i) {
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if (bbt[i])
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continue;
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@ -461,16 +459,16 @@ static int __init mtd_oobtest_init(void)
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if (err)
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goto out;
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if (i % 256 == 0)
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printk(PRINT_PREF "verified up to eraseblock %u\n", i);
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pr_info("verified up to eraseblock %u\n", i);
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cond_resched();
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}
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printk(PRINT_PREF "verified %u eraseblocks\n", i);
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pr_info("verified %u eraseblocks\n", i);
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/*
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* Third test: write OOB at varying offsets and lengths, read it back
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* and verify.
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*/
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printk(PRINT_PREF "test 3 of 5\n");
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pr_info("test 3 of 5\n");
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err = erase_whole_device();
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if (err)
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@ -503,7 +501,7 @@ static int __init mtd_oobtest_init(void)
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vary_offset = 0;
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/* Fourth test: try to write off end of device */
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printk(PRINT_PREF "test 4 of 5\n");
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pr_info("test 4 of 5\n");
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err = erase_whole_device();
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if (err)
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@ -522,14 +520,14 @@ static int __init mtd_oobtest_init(void)
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ops.ooboffs = mtd->ecclayout->oobavail;
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ops.datbuf = NULL;
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ops.oobbuf = writebuf;
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printk(PRINT_PREF "attempting to start write past end of OOB\n");
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printk(PRINT_PREF "an error is expected...\n");
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pr_info("attempting to start write past end of OOB\n");
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pr_info("an error is expected...\n");
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err = mtd_write_oob(mtd, addr0, &ops);
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if (err) {
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printk(PRINT_PREF "error occurred as expected\n");
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pr_info("error occurred as expected\n");
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err = 0;
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} else {
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printk(PRINT_PREF "error: can write past end of OOB\n");
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pr_err("error: can write past end of OOB\n");
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errcnt += 1;
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}
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@ -542,19 +540,19 @@ static int __init mtd_oobtest_init(void)
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ops.ooboffs = mtd->ecclayout->oobavail;
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ops.datbuf = NULL;
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ops.oobbuf = readbuf;
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printk(PRINT_PREF "attempting to start read past end of OOB\n");
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printk(PRINT_PREF "an error is expected...\n");
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pr_info("attempting to start read past end of OOB\n");
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pr_info("an error is expected...\n");
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err = mtd_read_oob(mtd, addr0, &ops);
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if (err) {
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printk(PRINT_PREF "error occurred as expected\n");
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pr_info("error occurred as expected\n");
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err = 0;
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} else {
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printk(PRINT_PREF "error: can read past end of OOB\n");
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pr_err("error: can read past end of OOB\n");
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errcnt += 1;
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}
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if (bbt[ebcnt - 1])
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printk(PRINT_PREF "skipping end of device tests because last "
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pr_info("skipping end of device tests because last "
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"block is bad\n");
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else {
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/* Attempt to write off end of device */
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@ -566,14 +564,14 @@ static int __init mtd_oobtest_init(void)
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ops.ooboffs = 0;
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ops.datbuf = NULL;
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ops.oobbuf = writebuf;
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printk(PRINT_PREF "attempting to write past end of device\n");
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printk(PRINT_PREF "an error is expected...\n");
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pr_info("attempting to write past end of device\n");
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pr_info("an error is expected...\n");
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err = mtd_write_oob(mtd, mtd->size - mtd->writesize, &ops);
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if (err) {
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printk(PRINT_PREF "error occurred as expected\n");
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pr_info("error occurred as expected\n");
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err = 0;
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} else {
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printk(PRINT_PREF "error: wrote past end of device\n");
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pr_err("error: wrote past end of device\n");
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errcnt += 1;
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}
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@ -586,14 +584,14 @@ static int __init mtd_oobtest_init(void)
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ops.ooboffs = 0;
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ops.datbuf = NULL;
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ops.oobbuf = readbuf;
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printk(PRINT_PREF "attempting to read past end of device\n");
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printk(PRINT_PREF "an error is expected...\n");
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pr_info("attempting to read past end of device\n");
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pr_info("an error is expected...\n");
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err = mtd_read_oob(mtd, mtd->size - mtd->writesize, &ops);
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if (err) {
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printk(PRINT_PREF "error occurred as expected\n");
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pr_info("error occurred as expected\n");
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err = 0;
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} else {
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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;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user