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Boris Brezillon be3e83e347 mtd: nand: atmel: Relax tADL_min constraint 
Version 4 of the ONFI spec mandates that tADL be at least 400 nanoseconds,
but, depending on the master clock rate, 400 ns may not fit in the tADL
field of the SMC reg. We need to relax the check and accept the -ERANGE
return code.

Note that previous versions of the ONFI spec had a lower tADL_min (100 or
200 ns). It's not clear why this timing constraint got increased but it
seems most NANDs are fine with values lower than 400ns, so we should be
safe.

Fixes: f9ce2eddf1 ("mtd: nand: atmel: Add ->setup_data_interface() hooks")
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Tested-by: Quentin Schulz <quentin.schulz@free-electrons.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
 		2017-08-24 20:59:50 -07:00
..
chips mtd: cfi_cmdset_0020: Drop unnecessary static 2017-05-11 11:49:20 -07:00
devices This pull request contains the following notable changes: 2017-07-07 18:00:06 -07:00
lpddr mtd: lpddr: show parent device in sysfs 2015-10-13 09:21:17 -07:00
maps mtd: physmap_of: Drop unnecessary static 2017-05-11 11:49:21 -07:00
nand mtd: nand: atmel: Relax tADL_min constraint 2017-08-24 20:59:50 -07:00
onenand mtd: silence some uninitialized variable warnings 2016-07-09 18:14:39 -07:00
parsers mtd: parsers: trx: fix pr_err format for printing offset 2017-06-23 10:47:54 -07:00
spi-nor mtd: spi-nor: cqspi: remove duplicate const 2017-06-27 21:28:52 +02:00
tests mtd: subpagetest: fix wrong written check in function write_eraseblock2 2017-06-08 16:39:21 -07:00
ubi driver core patches for 4.13-rc1 2017-07-03 20:27:48 -07:00
Kconfig mtd: extract TRX parser out of bcm47xxpart into a separated module 2017-06-22 13:13:10 -07:00
Makefile mtd: extract TRX parser out of bcm47xxpart into a separated module 2017-06-22 13:13:10 -07:00
afs.c mtd: partitions: make parsers return 'const' partition arrays 2015-12-09 10:21:57 -08:00
ar7part.c mtd: partitions: make parsers return 'const' partition arrays 2015-12-09 10:21:57 -08:00
bcm47xxpart.c mtd: extract TRX parser out of bcm47xxpart into a separated module 2017-06-22 13:13:10 -07:00
bcm63xxpart.c mtd: bcm63xxpart: give width specifier an 'int', not 'size_t' 2016-03-07 13:13:58 -08:00
cmdlinepart.c mtd: partitions: make parsers return 'const' partition arrays 2015-12-09 10:21:57 -08:00
ftl.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
inftlcore.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
inftlmount.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
mtd_blkdevs.c mtd: blkdevs: Fix mtd block write failure 2017-08-12 14:53:24 -07:00
mtdblock.c
…
mtdblock_ro.c
…
mtdchar.c mtd: Fix typo: "occured" -> "occurred" 2017-02-08 14:24:57 -08:00
mtdconcat.c mtd: create an mtd_ooblayout_ops struct to ease ECC layout definition 2016-04-19 22:05:55 +02:00
mtdcore.c mtd: Fix check in mtd_unpoint() 2017-07-07 17:57:59 -07:00
mtdcore.h mtd: partitions: support a cleanup callback for parsers 2015-12-09 14:57:44 -08:00
mtdoops.c
…
mtdpart.c mtd: partitions: fixup some allocate_partition() whitespace 2017-06-23 10:52:15 -07:00
mtdsuper.c fs: Remove SB_I_DYNBDI flag 2017-04-20 12:09:55 -06:00
mtdswap.c mtd: mtdswap: use MTDSWAP_ECNT_MIN/MAX 2017-04-19 13:12:02 -07:00
nftlcore.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
nftlmount.c
…
ofpart.c drivers/mtd: Convert remaining uses of pr_warning to pr_warn 2017-04-19 13:10:54 -07:00
redboot.c mtd: partitions: make parsers return 'const' partition arrays 2015-12-09 10:21:57 -08:00
rfd_ftl.c
…
sm_ftl.c treewide: Fix typos in printk 2016-04-18 11:23:24 +02:00
sm_ftl.h
…
ssfdc.c mtd: Replace if and BUG with BUG_ON 2016-07-09 18:48:54 -07:00