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mtd: mxc_nand: fix several sparse warnings about incorrect address space 

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
hifive-unleashed-5.1
Uwe Kleine-König 2012-04-24 10:05:22 +02:00 committed by David Woodhouse
parent 377873600a
commit 4b6f05e14d
1 changed files with 11 additions and 11 deletions
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22
drivers/mtd/nand/mxc_nand.c
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@ -181,8 +181,8 @@ struct mxc_nand_host {
struct nand_chip nand;
struct device *dev;
void *spare0;
void *main_area0;
void __iomem *spare0;
void __iomem *main_area0;
void __iomem *base;
void __iomem *regs;
@ -519,7 +519,7 @@ static void send_read_id_v3(struct mxc_nand_host *host)
wait_op_done(host, true);
memcpy(host->data_buf, host->main_area0, 16);
memcpy_fromio(host->data_buf, host->main_area0, 16);
}
/* Request the NANDFC to perform a read of the NAND device ID. */
@ -535,7 +535,7 @@ static void send_read_id_v1_v2(struct mxc_nand_host *host)
/* Wait for operation to complete */
wait_op_done(host, true);
memcpy(host->data_buf, host->main_area0, 16);
memcpy_fromio(host->data_buf, host->main_area0, 16);
if (this->options & NAND_BUSWIDTH_16) {
/* compress the ID info */
@ -790,23 +790,23 @@ static void copy_spare(struct mtd_info *mtd, bool bfrom)
u16 i, j;
u16 n = mtd->writesize >> 9;
u8 *d = host->data_buf + mtd->writesize;
u8 *s = host->spare0;
u8 __iomem *s = host->spare0;
u16 t = host->devtype_data->spare_len;
j = (mtd->oobsize / n >> 1) << 1;
if (bfrom) {
for (i = 0; i < n - 1; i++)
memcpy(d + i * j, s + i * t, j);
memcpy_fromio(d + i * j, s + i * t, j);
/* the last section */
memcpy(d + i * j, s + i * t, mtd->oobsize - i * j);
memcpy_fromio(d + i * j, s + i * t, mtd->oobsize - i * j);
} else {
for (i = 0; i < n - 1; i++)
memcpy(&s[i * t], &d[i * j], j);
memcpy_toio(&s[i * t], &d[i * j], j);
/* the last section */
memcpy(&s[i * t], &d[i * j], mtd->oobsize - i * j);
memcpy_toio(&s[i * t], &d[i * j], mtd->oobsize - i * j);
}
}
@ -1070,7 +1070,7 @@ static void mxc_nand_command(struct mtd_info *mtd, unsigned command,
host->devtype_data->send_page(mtd, NFC_OUTPUT);
memcpy(host->data_buf, host->main_area0, mtd->writesize);
memcpy_fromio(host->data_buf, host->main_area0, mtd->writesize);
copy_spare(mtd, true);
break;
@ -1086,7 +1086,7 @@ static void mxc_nand_command(struct mtd_info *mtd, unsigned command,
break;
case NAND_CMD_PAGEPROG:
memcpy(host->main_area0, host->data_buf, mtd->writesize);
memcpy_toio(host->main_area0, host->data_buf, mtd->writesize);
copy_spare(mtd, false);
host->devtype_data->send_page(mtd, NFC_INPUT);
host->devtype_data->send_cmd(host, command, true);