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

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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: John Ogness <john.ogness@linutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Tested-by: John Ogness <john.ogness@linutronix.de>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
John Ogness 2010-06-18 18:59:47 +02:00 committed by David Woodhouse
parent 76be97c1fc
commit f7b66e5e51
1 changed files with 9 additions and 9 deletions
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18
drivers/mtd/nand/mxc_nand.c
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@ -402,16 +402,16 @@ static void send_read_id_v1_v2(struct mxc_nand_host *host)
/* Wait for operation to complete */
wait_op_done(host, true);
if (this->options & NAND_BUSWIDTH_16) {
void __iomem *main_buf = host->main_area0;
/* compress the ID info */
writeb(readb(main_buf + 2), main_buf + 1);
writeb(readb(main_buf + 4), main_buf + 2);
writeb(readb(main_buf + 6), main_buf + 3);
writeb(readb(main_buf + 8), main_buf + 4);
writeb(readb(main_buf + 10), main_buf + 5);
}
memcpy(host->data_buf, host->main_area0, 16);
if (this->options & NAND_BUSWIDTH_16) {
/* compress the ID info */
host->data_buf[1] = host->data_buf[2];
host->data_buf[2] = host->data_buf[4];
host->data_buf[3] = host->data_buf[6];
host->data_buf[4] = host->data_buf[8];
host->data_buf[5] = host->data_buf[10];
}
}
static uint16_t get_dev_status_v3(struct mxc_nand_host *host)