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a8e3923ab5
linux/drivers/mtd
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Sekhar Nori a8e3923ab5 mtd: rawnand: davinci: don't acquire and enable clock 
NAND itself is an asynchronous interface, it does not have any
clock input. DaVinci NAND driver acquires clock for AEMIF
(asynchronous external memory interface) which is an on-chip
IP to which NAND is connected.

The same clock is also enabled in AEMIF driver (either present
drivers/memory or from machine code for some older platforms).
AEMIF timing must be initialized before NAND can be accessed.
This ensures that AEMIF clock is enabled too.

Remove the superfluous clock acquisition and enable in DaVinci
NAND driver.

Tested on K2L, K2HK, K2E, DA850 EVM, DA850 LCDK in device-tree
boot and DM644x EVM in legacy boot.

Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Tested-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
2018-04-26 19:55:40 +02:00
..
chips MTD changes: 2018-04-06 12:15:41 -07:00
devices mtd: Stop updating erase_info->state and calling mtd_erase_callback() 2018-03-21 09:50:56 +01:00
lpddr mtd: Stop updating erase_info->state and calling mtd_erase_callback() 2018-03-21 09:50:56 +01:00
maps mtd: physmap_of: update struct map_info's swap as per map requirement 2018-03-29 09:31:37 +02:00
nand mtd: rawnand: davinci: don't acquire and enable clock 2018-04-26 19:55:40 +02:00
parsers mtd: sharpslpart: make local function sharpsl_nand_cleanup_ftl() static 2018-01-06 15:06:23 +01:00
spi-nor * Make fsl-quaspi assign different names to MTD devices connected 2018-04-04 22:11:24 +02:00
tests mtd: tests: check erase block count in page test 2018-03-21 09:50:57 +01:00
ubi This pull request contains updates for both UBI and UBIFS: 2018-04-11 16:39:34 -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 mtd: ftl: Use DIV_ROUND_UP() 2018-03-29 09:36:01 +02:00
inftlcore.c mtd: nand: Rename nand.h into rawnand.h 2017-08-13 10:11:49 +02:00
inftlmount.c mtd: Unconditionally update ->fail_addr and ->addr in part_erase() 2018-03-15 18:22:26 +01:00
Kconfig mtd: Move onenand code base to drivers/mtd/nand/onenand 2018-03-15 15:40:37 +01:00
Makefile mtd: Move onenand code base to drivers/mtd/nand/onenand 2018-03-15 15:40:37 +01:00
mtd_blkdevs.c block: Use blk_queue_flag_*() in drivers instead of queue_flag_*() 2018-03-08 14:13:48 -07:00
mtdblock_ro.c
mtdblock.c mtd: Unconditionally update ->fail_addr and ->addr in part_erase() 2018-03-15 18:22:26 +01:00
mtdchar.c MTD changes: 2018-04-06 12:15:41 -07:00
mtdconcat.c mtd: Stop updating erase_info->state and calling mtd_erase_callback() 2018-03-21 09:50:56 +01:00
mtdcore.c mtd: Fix some function description mismatches in mtdcore.c 2018-03-29 09:31:54 +02:00
mtdcore.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mtdoops.c mtd: Unconditionally update ->fail_addr and ->addr in part_erase() 2018-03-15 18:22:26 +01:00
mtdpart.c mtd: rename "ofpart" parser to "fixed-partitions" as it fits it better 2018-03-27 09:11:24 +02:00
mtdsuper.c Rename superblock flags (MS_xyz -> SB_xyz) 2017-11-27 13:05:09 -08:00
mtdswap.c mtd: Unconditionally update ->fail_addr and ->addr in part_erase() 2018-03-15 18:22:26 +01:00
nftlcore.c mtd: nand: Rename nand.h into rawnand.h 2017-08-13 10:11:49 +02:00
nftlmount.c mtd: nftl: use %*ph to print small buffer 2018-03-21 09:50:56 +01:00
ofpart.c mtd: ofpart: add of_match_table with "fixed-partitions" 2018-03-27 09:11:31 +02:00
redboot.c mtd: partitions: make parsers return 'const' partition arrays 2015-12-09 10:21:57 -08:00
rfd_ftl.c mtd: Unconditionally update ->fail_addr and ->addr in part_erase() 2018-03-15 18:22:26 +01:00
sm_ftl.c Core changes: 2018-04-04 22:11:36 +02:00
sm_ftl.h mtd: Stop assuming mtd_erase() is asynchronous 2018-03-15 18:21:07 +01:00
ssfdc.c mtd: nand: Rename nand.h into rawnand.h 2017-08-13 10:11:49 +02:00