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Hannes Schmelzer 9620d87259 cmd/fdt: support single value replacement within an array 
With this commit we can modify single values within an array of a dts
property.

This is useful if we have for example a pwm-backlight where we want to
modifiy the pwm frequency per u-boot script.

The pwm is described in dts like this:

backlight {
	pwms = <0x0000002b 0x00000000 0x004c4b40>;
};

For changing the frequency, here the 3rd parameter, we simply type:

fdt set /backlight pwms <? ? 0x1E8480>;

For doing all this we:
- backup the property content into our 'SCRATCHPAD'
- only modify the array-cell if the new content doesn't start with '?'

Signed-off-by: Hannes Schmelzer <hannes.schmelzer@br-automation.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2017-06-09 13:45:34 -06:00
..
fastboot
fastboot: simplify the Kconfig logic
2016-11-21 14:07:33 -05:00
mvebu
arm64: mvebu: Fix the bubt comamnd NAND device support
2017-05-09 13:38:18 +02:00
.gitignore
cmd: rework "license" command
2017-02-08 15:56:28 -05:00
aes.c
Rename aes.h to uboot_aes.h
2017-04-12 13:28:27 -04:00
armflash.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
bdinfo.c
cmd/bdinfo.c: Fix unused function warning
2017-05-12 08:37:37 -04:00
bedbug.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
blkcache.c
cmd: blkcache: simplify sub-command handling
2016-04-11 12:44:38 -04:00
blob.c
crypto/fsl: Update blob cmd to accept 64bit addresses
2016-08-02 09:45:39 -07:00
bmp.c
dm: Use uclass_first_device_err() where it is useful
2016-03-14 15:34:50 -06:00
boot.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
bootefi.c
dm: Use dm.h header when driver mode is used
2017-06-01 06:57:52 -06:00
booti.c
arm64: booti: allow to place kernel image anywhere in physical memory
2017-03-14 20:40:23 -04:00
bootm.c
cmd: bootm: fix build when CONFIG_CMD_IMLS_NAND
2017-02-08 15:56:32 -05:00
bootmenu.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
bootstage.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
bootz.c
bootz/booti: relocate ramdisk if CONFIG_SYS_BOOT_RAMDISK_HIGH set
2017-01-24 10:35:55 -05:00
cache.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
cbfs.c
cbfs: Update a function to be static
2016-03-22 12:16:08 -04:00
clk.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
config.c
cmd: add a new command "config" to show .config contents
2017-02-08 15:56:26 -05:00
console.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
cpu.c
cmd: cpu: refactor to ensure devices are probed and improve code style
2017-05-10 16:16:09 +02:00
cramfs.c
fs: Kconfig: Add a separate option for FS_JFFS2
2017-05-22 12:45:31 -04:00
cros_ec.c
dm: core: Add flags parameter to device_remove()
2017-04-04 20:15:10 -06:00
dataflash_mmc_mux.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
date.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
dcr.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
demo.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
dfu.c
common: dfu: saperate the dfu common functionality
2016-09-27 23:30:18 +02:00
diag.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
disk.c
cmd: Rework disk.c usage
2016-09-09 15:53:14 -04:00
display.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
echo.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
eeprom.c
Convert CONFIG_CMD_EEPROM et al to Kconfig
2017-05-22 09:33:49 -04:00
efi.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
elf.c
cmd/elf.c: Support passing arguments with bootelf
2017-06-05 14:13:03 -04:00
ethsw.c
Merge branch 'master' of git://git.denx.de/u-boot-net
2016-01-28 18:42:10 -05:00
exit.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
ext2.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
ext4.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
fastboot.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
fat.c
cmd/fat: Do not crash on write when <bytes> is not specified
2016-09-23 08:55:58 -04:00
fdc.c
Fix spelling of "occurred".
2016-05-02 18:37:09 -04:00
fdt.c
cmd/fdt: support single value replacement within an array
2017-06-09 13:45:34 -06:00
fitupd.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
flash.c
flash: complete CONFIG_SYS_NO_FLASH move with renaming
2017-02-12 14:30:25 -05:00
fpga.c
fpga: Use enum for bitstream command types
2017-01-10 10:21:59 +01:00
fpgad.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
fs_uuid.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
fs.c
efi_loader: Pass file path to payload
2016-04-18 17:11:36 -04:00
fuse.c
treewide: replace #include <asm/errno.h> with <linux/errno.h>
2016-09-23 17:55:42 -04:00
gettime.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
gpio.c
gpio: Report errors when GPIOs cannot be read
2016-03-17 21:27:37 -06:00
gpt.c
gpt: Fix uuid string format
2017-03-17 14:15:10 -04:00
hash.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
help.c
Drop command-processing code when CONFIG_CMDLINE is disabled
2016-04-01 17:17:40 -04:00
host.c
cmd/host: add missing \n in help text
2017-01-20 09:15:24 -05:00
i2c.c
i2c: Set default I2C bus number
2017-03-28 06:27:54 +02:00
ide.c
status_led: Kconfig migration
2017-01-21 15:12:33 -05:00
ini.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
io.c
cmd/io.c: Fix comparison of unsigned expression warning
2017-05-12 08:37:38 -04:00
iotrace.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
irq.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
itest.c
cmd: itest: correct calculus for long format
2017-03-17 14:15:10 -04:00
jffs2.c
nand: Embed mtd_info in struct nand_chip
2016-06-03 20:27:48 -05:00
Kconfig
fs: fat: add kbuild configuration support
2017-06-03 17:55:16 -04:00
led.c
cmd/led.c: Remove unnecessary check on 'cmd' value
2017-05-12 08:37:38 -04:00
legacy_led.c
led: Mark existing driver as legacy
2017-04-14 19:38:57 -06:00
license.c
cmd: rework "license" command
2017-02-08 15:56:28 -05:00
load.c
flash: complete CONFIG_SYS_NO_FLASH move with renaming
2017-02-12 14:30:25 -05:00
log.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
lzmadec.c
lzmadec: Use the same type as the lzma call
2016-07-25 12:05:54 -04:00
mac.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
Makefile
cmd/ethsw: Disable implicit enum conversion warning
2017-06-05 14:13:12 -04:00
md5sum.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
mdio.c
common: miiphyutil: Work and report phy address in hex in mdio cmd
2016-12-02 14:36:02 +01:00
mem.c
Kconfig: Finish migration of hashing commands
2017-05-31 19:38:14 -04:00
mfsl.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
mii.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
misc.c
cmd: misc: Add support for fractions in sleep
2016-07-25 12:00:05 -04:00
mmc_spi.c
dm: block: Rename device number member dev to devnum
2016-03-14 15:34:50 -06:00
mmc.c
cmd_mmc: fix arg parsing for setdsr subcmd
2017-04-12 18:46:38 +02:00
mp.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
mtdparts.c
cmd: Add Kconfig option for CMD_MTDPARTS and related options
2017-04-07 11:23:45 +05:30
nand.c
nand: Fix some more NULL name tests
2016-09-01 20:08:48 -05:00
net.c
cmd: net: fix function name in comment
2016-12-27 11:24:18 -05:00
nvedit.c
common: env: remove superfluous assignment
2017-05-12 08:37:21 -04:00
onenand.c
cmd/onenand.c: block align warning
2016-10-06 20:57:42 -04:00
part.c
cmd, disk: convert CONFIG_PARTITION_UUIDS, CMD_PART and CMD_GPT
2017-01-28 08:48:03 -05:00
pci.c
pci: Correct cast for sandbox
2017-06-02 10:16:46 -06:00
pcmcia.c
Kconfig: Add a CONFIG_IDE option
2017-05-22 12:45:27 -04:00
pmic.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
portio.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
pxe.c
pxe: Fix pxe boot with FIT image
2016-09-07 08:49:02 -04:00
qfw.c
cmd: qfw: do not require default macros when building qfw command
2016-05-23 15:18:00 +08:00
read.c
dm: block: Adjust device calls to go through helpers function
2016-03-14 15:34:50 -06:00
reginfo.c
Blackfin: Remove
2017-04-05 13:52:01 -04:00
regulator.c
power: regulator: Introduce regulator_set_value_force function
2016-11-25 10:00:04 -07:00
reiser.c
disk: convert CONFIG_DOS_PARTITION to Kconfig
2017-01-28 08:47:34 -05:00
remoteproc.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
sata.c
cmd: sata: fix init command return value
2017-01-14 16:46:23 -05:00
scsi.c
cmd: scsi: Make private functions static
2016-12-02 14:37:32 +01:00
setexpr.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
sf.c
dm: core: Add flags parameter to device_remove()
2017-04-04 20:15:10 -06:00
sha1sum.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
sound.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
source.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
spi.c
cmd: spi: check return value of strdup
2016-03-27 09:12:55 -04:00
spl.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
strings.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
terminal.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
test.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
thordown.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
time.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
tpm_test.c
cmd/tpm_test: Fix misleading code indentation
2016-12-02 10:37:47 -07:00
tpm.c
lib: tpm: Add command to list resources
2017-03-26 13:22:58 -06:00
trace.c
trace: Fix compiler warnings in trace
2016-02-26 08:53:10 -07:00
tsi148.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
ubi.c
cmd: ubi: remove unnecessary logical constraint
2017-04-18 06:08:32 +02:00
ubifs.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
universe.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
unzip.c
dm: blk: Rename get_device() to blk_get_device_by_str()
2016-03-14 15:34:50 -06:00
usb_mass_storage.c
dm: usb: Use blk_dread/write() instead of direct calls
2016-07-27 14:15:54 -06:00
usb.c
usb: storage: Show number of storage devices detected for DM_USB
2017-01-17 10:26:21 +01:00
version.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
ximg.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
yaffs2.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00
zfs.c
disk: convert CONFIG_EFI_PARTITION to Kconfig
2017-01-28 08:47:42 -05:00
zip.c
Remove the cmd_ prefix from command files
2016-01-25 10:39:43 -05:00