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Commit f7b66e5e authored by John Ogness's avatar John Ogness Committed by David Woodhouse
Browse files

mxc_nand: Do not do byte accesses to the NFC buffer. 



This patch avoids byte access to the NFC buffer. Byte access to the
NFC is not allowed.

The patch is against linux-next 20100618.

Signed-off-by: default avatarJohn Ogness <john.ogness@linutronix.de>
Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
Tested-by: default avatarJohn Ogness <john.ogness@linutronix.de>
Signed-off-by: default avatarDavid Woodhouse <David.Woodhouse@intel.com>
parent 76be97c1

drivers/mtd/nand/mxc_nand.c

+7 −7
Original line number Original line Diff line number Diff line
@@ -402,16 +402,16 @@ static void send_read_id_v1_v2(struct mxc_nand_host *host) 
	/* Wait for operation to complete */

	/* Wait for operation to complete */

	wait_op_done(host, true);

	wait_op_done(host, true);





	memcpy(host->data_buf, host->main_area0, 16);



	if (this->options & NAND_BUSWIDTH_16) {

	if (this->options & NAND_BUSWIDTH_16) {

		void __iomem *main_buf = host->main_area0;

		/* compress the ID info */

		/* compress the ID info */

		writeb(readb(main_buf + 2), main_buf + 1);

		host->data_buf[1] = host->data_buf[2];

		writeb(readb(main_buf + 4), main_buf + 2);

		host->data_buf[2] = host->data_buf[4];

		writeb(readb(main_buf + 6), main_buf + 3);

		host->data_buf[3] = host->data_buf[6];

		writeb(readb(main_buf + 8), main_buf + 4);

		host->data_buf[4] = host->data_buf[8];

		writeb(readb(main_buf + 10), main_buf + 5);

		host->data_buf[5] = host->data_buf[10];

	}

	}

	memcpy(host->data_buf, host->main_area0, 16);

}

}





static uint16_t get_dev_status_v3(struct mxc_nand_host *host)

static uint16_t get_dev_status_v3(struct mxc_nand_host *host)