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mtd: OneNAND: lighten scary initial bad block messages 

Initial bad blocks are normal but the messages look like
errors.  Make the messages less scary, make the main
message an informational message not a warning, make the
message displaying registers a debug message and include
the address there instead of in the informational message.

Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Adrian Hunter 2010-12-10 12:04:20 +02:00 коммит произвёл David Woodhouse
Родитель 263a8c8635
Коммит e0c1a921f6
2 изменённых файлов: 14 добавлений и 12 удалений
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22
drivers/mtd/onenand/onenand_base.c
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@ -1484,8 +1484,7 @@ static int onenand_bbt_wait(struct mtd_info *mtd, int state)
{
struct onenand_chip *this = mtd->priv;
unsigned long timeout;
unsigned int interrupt;
unsigned int ctrl;
unsigned int interrupt, ctrl, ecc, addr1, addr8;
/* The 20 msec is enough */
timeout = jiffies + msecs_to_jiffies(20);
@ -1497,25 +1496,28 @@ static int onenand_bbt_wait(struct mtd_info *mtd, int state)
/* To get correct interrupt status in timeout case */
interrupt = this->read_word(this->base + ONENAND_REG_INTERRUPT);
ctrl = this->read_word(this->base + ONENAND_REG_CTRL_STATUS);
addr1 = this->read_word(this->base + ONENAND_REG_START_ADDRESS1);
addr8 = this->read_word(this->base + ONENAND_REG_START_ADDRESS8);
if (interrupt & ONENAND_INT_READ) {
int ecc = onenand_read_ecc(this);
ecc = onenand_read_ecc(this);
if (ecc & ONENAND_ECC_2BIT_ALL) {
printk(KERN_WARNING "%s: ecc error = 0x%04x, "
"controller error 0x%04x\n",
__func__, ecc, ctrl);
printk(KERN_DEBUG "%s: ecc 0x%04x ctrl 0x%04x "
"intr 0x%04x addr1 %#x addr8 %#x\n",
__func__, ecc, ctrl, interrupt, addr1, addr8);
return ONENAND_BBT_READ_ECC_ERROR;
}
} else {
printk(KERN_ERR "%s: read timeout! ctrl=0x%04x intr=0x%04x\n",
__func__, ctrl, interrupt);
printk(KERN_ERR "%s: read timeout! ctrl 0x%04x "
"intr 0x%04x addr1 %#x addr8 %#x\n",
__func__, ctrl, interrupt, addr1, addr8);
return ONENAND_BBT_READ_FATAL_ERROR;
}
/* Initial bad block case: 0x2400 or 0x0400 */
if (ctrl & ONENAND_CTRL_ERROR) {
printk(KERN_DEBUG "%s: controller error = 0x%04x\n",
__func__, ctrl);
printk(KERN_DEBUG "%s: ctrl 0x%04x intr 0x%04x addr1 %#x "
"addr8 %#x\n", __func__, ctrl, interrupt, addr1, addr8);
return ONENAND_BBT_READ_ERROR;
}

4
drivers/mtd/onenand/onenand_bbt.c
Просмотреть файл

@ -101,8 +101,8 @@ static int create_bbt(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr
if (ret || check_short_pattern(&buf[j * scanlen],
scanlen, this->writesize, bd)) {
bbm->bbt[i >> 3] |= 0x03 << (i & 0x6);
printk(KERN_WARNING "Bad eraseblock %d at 0x%08x\n",
i >> 1, (unsigned int) from);
printk(KERN_INFO "OneNAND eraseblock %d is an "
"initial bad block\n", i >> 1);
mtd->ecc_stats.badblocks++;
break;
}