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Commit b2581be2 authored by Kyungmin Park's avatar Kyungmin Park
Browse files

[MTD] [OneNAND] Check the initial bad block using ONENAND_CTRL_ERROR 



Some chips don't set the ONENAND_CTRL_LOAD bit.

Signed-off-by: default avatarKyungmin Park <kyungmin.park@samsung.com>
parent e71f04fc

drivers/mtd/onenand/onenand_base.c

+2 −4
Original line number Diff line number Diff line
@@ -1119,12 +1119,10 @@ static int onenand_bbt_wait(struct mtd_info *mtd, int state) 
	interrupt = this->read_word(this->base + ONENAND_REG_INTERRUPT);

	ctrl = this->read_word(this->base + ONENAND_REG_CTRL_STATUS);



	/* Initial bad block case: 0x2400 or 0x0400 */

	if (ctrl & ONENAND_CTRL_ERROR) {

		printk(KERN_DEBUG "onenand_bbt_wait: controller error = 0x%04x\n", ctrl);

		/* Initial bad block case */

		if (ctrl & ONENAND_CTRL_LOAD)

		return ONENAND_BBT_READ_ERROR;

		return ONENAND_BBT_READ_FATAL_ERROR;

	}



	if (interrupt & ONENAND_INT_READ) {