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bd9c6e99b5
linux/drivers/mtd
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Brian Norris bd9c6e99b5 mtd: nand: don't use read_buf for 8-bit ONFI transfers 
Use a repeated read_byte() instead of read_buf(), since for x16 buswidth
devices, we need to avoid the upper I/O[16:9] bits. See the following
commit for reference:

commit 05f7835975
Author: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Date:   Thu Dec 5 22:22:04 2013 +0100

    mtd: nand: don't use {read,write}_buf for 8-bit transfers

Now, I think that all barriers to probing ONFI on x16 devices are
removed, so remove the check from nand_flash_detect_onfi().

Tested on 8-bit ONFI NAND (Micron MT29F32G08CBADAWP).

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Tested-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Tested-By: Pekon Gupta <pekon@ti.com>
2014-03-10 22:42:23 -07:00
..
chips mtd: delete non-required instances of include <linux/init.h> 2014-03-10 22:42:22 -07:00
devices mtd: delete non-required instances of include <linux/init.h> 2014-03-10 22:42:22 -07:00
lpddr mtd: lpddr: Mark functions as static and remove unused function 2014-01-03 11:22:26 -08:00
maps mtd: delete non-required instances of include <linux/init.h> 2014-03-10 22:42:22 -07:00
nand mtd: nand: don't use read_buf for 8-bit ONFI transfers 2014-03-10 22:42:23 -07:00
onenand mtd: delete non-required instances of include <linux/init.h> 2014-03-10 22:42:22 -07:00
tests mtd: delete non-required instances of include <linux/init.h> 2014-03-10 22:42:22 -07:00
ubi mtd: delete non-required instances of include <linux/init.h> 2014-03-10 22:42:22 -07:00
afs.c mtd: make register_mtd_parser return void 2014-01-03 11:22:22 -08:00
ar7part.c mtd: make register_mtd_parser return void 2014-01-03 11:22:22 -08:00
bcm47xxpart.c mtd: bcm47xxpart: alternative MAGIC for board_data partition 2014-01-07 10:07:37 -08:00
bcm63xxpart.c mtd: make register_mtd_parser return void 2014-01-03 11:22:22 -08:00
cmdlinepart.c mtd: make register_mtd_parser return void 2014-01-03 11:22:22 -08:00
ftl.c mtd: do not use mtd->sync directly 2012-01-09 18:26:21 +00:00
inftlcore.c mtd: nand: add a helper to detect the nand type 2013-10-27 16:27:06 -07:00
inftlmount.c mtd: delete non-required instances of include <linux/init.h> 2014-03-10 22:42:22 -07:00
Kconfig mtd: Hide CONFIG_MTD_BLKDEVS from the menu 2014-01-07 10:07:36 -08:00
Makefile mtd: merge mtdchar module with mtdcore 2013-04-05 13:16:54 +01:00
mtd_blkdevs.c mtd: delete non-required instances of include <linux/init.h> 2014-03-10 22:42:22 -07:00
mtdblock_ro.c mtd: Move major number definitions to major.h 2013-11-06 23:32:59 -08:00
mtdblock.c mtd: Move major number definitions to major.h 2013-11-06 23:32:59 -08:00
mtdchar.c mtd: mtdchar: return expected errors on mmap() call 2013-11-11 11:18:15 -08:00
mtdconcat.c mtd: unify initialization of erase_info->fail_addr 2012-03-27 01:02:24 +01:00
mtdcore.c mtd: convert to use ATTRIBUTE_GROUPS 2014-01-03 11:22:21 -08:00
mtdcore.h mtd: merge mtdchar module with mtdcore 2013-04-05 13:16:54 +01:00
mtdoops.c mtdoops: don't erase flash at each boot 2012-11-15 15:37:51 +02:00
mtdpart.c mtd: make register_mtd_parser return void 2014-01-03 11:22:22 -08:00
mtdsuper.c mtd: Move major number definitions to major.h 2013-11-06 23:32:59 -08:00
mtdswap.c mtd: mtdswap: replace strict_strtoul() with kstrtoul() 2013-08-30 21:52:51 +01:00
nftlcore.c mtd: nand: add a helper to detect the nand type 2013-10-27 16:27:06 -07:00
nftlmount.c mtd: introduce mtd_block_markbad interface 2012-01-09 18:25:48 +00:00
ofpart.c mtd: make register_mtd_parser return void 2014-01-03 11:22:22 -08:00
redboot.c mtd: make register_mtd_parser return void 2014-01-03 11:22:22 -08:00
rfd_ftl.c mtd: do not use mtd->sync directly 2012-01-09 18:26:21 +00:00
sm_ftl.c mtd: sm_ftl: heap corruption in sm_create_sysfs_attributes() 2014-03-10 22:42:21 -07:00
sm_ftl.h mtd: sm_ftl: cosmetic, use bool when possible 2010-10-25 01:33:08 +01:00
ssfdc.c mtd: nand: add a helper to detect the nand type 2013-10-27 16:27:06 -07:00