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u-boot/tools
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Rasmus Villemoes c62e6142b9 fw_setenv: avoid writing environment when nothing has changed 
In the case where one deletes an already-non-existing variable, or sets
a variable to the value it already has, there is no point in writing the
environment back, thus reducing wear on the underlying storage
device.

In the case of redundant environments, if the two environments
differ (e.g. because one is corrupt), make sure that any call of
fw_setenv causes the two to become synchronized, even if the fw_setenv
call does not change anything in the good copy.

Signed-off-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
2019-12-20 10:02:24 -06:00
..
binman cosmetic: Fix spelling and whitespace errors 2019-12-03 08:43:23 -05:00
buildman buildman: Fix problem with non-existent output directories 2019-11-23 14:53:48 -05:00
concurrencytest binman: Run tests concurrently 2018-10-08 07:34:34 -06:00
dtoc dtoc: Convert fdt.py to Python 3 2019-11-04 18:15:32 -07:00
env fw_setenv: avoid writing environment when nothing has changed 2019-12-20 10:02:24 -06:00
gdb SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
kermit SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
libfdt fdt: Sync up to the latest libfdt 2019-11-04 18:15:32 -07:00
logos logos: Add the TechNexion's logo 2019-10-08 16:35:59 +02:00
omap SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
patman patman: fix coverletter cc list with nulls 2019-11-14 07:09:34 -06:00
scripts tools: fix define2mk.sed to not add quotes around negative integers 2016-06-13 07:46:29 +09:00
.gitignore tools: Avoid creating symbolic links for tools/version.h 2019-10-28 13:32:51 -04:00
aisimage.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
aisimage.h SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
asn1_compiler.c cmd: add asn1_compiler 2019-12-06 16:44:20 -05:00
atmel_pmecc_params.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
atmelimage.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
bmp_logo.c bmp_logo: support CONFIG_DM_VIDEO 2019-07-29 00:20:31 +02:00
default_image.c crc32: Use the crc.h header for crc functions 2019-12-02 18:23:08 -05:00
dumpimage.c tools: dumpimage: Clarify help 2019-02-01 14:13:46 -05:00
dumpimage.h SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
envcrc.c crc32: Use the crc.h header for crc functions 2019-12-02 18:23:08 -05:00
fdt_host.h SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
fdtgrep.c fdtgrep: Separate out checking of two allocations 2018-06-19 07:31:44 -04:00
file2include.c tools/file2include: don't use malloc.h for malloc 2018-11-26 22:52:12 -05:00
fit_check_sign.c tools: use read-only mmap in fit_check_sign 2019-05-18 12:32:02 -04:00
fit_common.c tools: use read-only mmap in fit_check_sign 2019-05-18 12:32:02 -04:00
fit_common.h tools: use read-only mmap in fit_check_sign 2019-05-18 12:32:02 -04:00
fit_image.c mkimage: Set correct FDT type and ramdisk architecture in FIT auto mode 2019-10-31 07:22:53 -04:00
fit_info.c tools: use read-only mmap in fit_check_sign 2019-05-18 12:32:02 -04:00
gen_eth_addr.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
gen_ethaddr_crc.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
genboardscfg.py kconfiglib: Update to the 12.14.0 release 2019-10-08 08:37:29 -04:00
getline.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
getline.h
gpheader.h SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
gpimage-common.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
gpimage.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
ifdtool.c SPDX: Convert a few files that were missed before 2018-05-10 20:38:35 -04:00
ifdtool.h SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
ifwitool.c tools: ifwitool: Define __packed when it is not defined 2019-10-28 13:32:51 -04:00
image-host.c rsa: add a structure for the padding 2018-12-03 10:44:10 -05:00
imagetool.c fdt: Fix FIT header verification in mkimage and conduct same checks as bootm 2019-03-08 11:31:44 -05:00
imagetool.h fdt: Fix FIT header verification in mkimage and conduct same checks as bootm 2019-03-08 11:31:44 -05:00
img2srec.c treewide: remove unneeded semicolons 2017-06-16 10:11:38 -04:00
imx8image.c Revert "tools: imx8image: set dcd_skip to true" 2019-01-28 12:59:03 +01:00
imx8m_image.sh tools: imx8m_image: support ddr4 firmware 2019-11-05 10:27:18 +01:00
imx8mimage.c tools: imx8mimage: add ROM VERSION 2019-11-05 10:27:18 +01:00
imx_cntr_image.sh tools: improve portability of imx_cntr_image.sh 2019-01-01 14:12:18 +01:00
imximage.c tools/imximage: get HAB information from header 2018-07-23 11:04:22 +02:00
jtagconsole
k3_fit_atf.sh arm: mach-k3: Add secure device build support 2019-04-26 17:51:51 -04:00
k3_gen_x509_cert.sh tools: k3_get_x509 cert: Add a script to generate x509 certificate for K3 devices 2019-05-09 20:22:04 -04:00
kwbimage.c kwbimage: fixing the issue with proper return code checking 2019-05-03 08:14:39 +02:00
kwbimage.h SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
kwboot.c tools: kwboot: Make kwboot more robust on a38x 2018-09-19 08:59:26 +02:00
lpc32xximage.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
Makefile cmd: add asn1_compiler 2019-12-06 16:44:20 -05:00
microcode-tool x86: Add a script to process Intel microcode files 2014-12-18 17:26:08 -07:00
microcode-tool.py microcode_tool: Convert to Python 3 2019-11-04 18:15:32 -07:00
mingw_support.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
mingw_support.h SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
mips-relocs.c MIPS: make size of relocation table fixed but configurable 2018-11-02 22:39:07 +01:00
mkenvimage.c crc32: Use the crc.h header for crc functions 2019-12-02 18:23:08 -05:00
mkexynosspl.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
mkimage.c lib: rsa: add support to other openssl engine types than pkcs11 2019-07-18 11:31:23 -04:00
mkimage.h SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
mksunxiboot.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
moveconfig.py moveconfig.py: Fix more Python3 UTF issues 2019-11-23 14:53:48 -05:00
mrvl_uart.sh SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
mtk_image.c tools: mtk_image: replace strncpy(d, s, sizeof(d)) with snprintf() 2018-12-15 11:49:56 -05:00
mtk_image.h tools: mtk_image.h: Use portable uintXX_t instead of linux-specific __leXX 2019-10-28 13:32:51 -04:00
mxsboot.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
mxsimage.c crc32: Use the crc.h header for crc functions 2019-12-02 18:23:08 -05:00
mxsimage.h SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
ncb.c
netconsole
omapimage.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
omapimage.h SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
os_support.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
os_support.h SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
pbl_crc32.c crc32: Use the crc.h header for crc functions 2019-12-02 18:23:08 -05:00
pbl_crc32.h SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
pblimage.c crc32: Use the crc.h header for crc functions 2019-12-02 18:23:08 -05:00
pblimage.h SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
prelink-riscv.c riscv: tools: Add big endian target support to prelink-riscv 2019-08-15 13:42:28 +08:00
prelink-riscv.inc riscv: tools: Handle addend to absolute reloc in prelink-riscv 2019-09-03 09:30:32 +08:00
proftool.c trace: do not limit trace buffer to 2GiB 2019-07-10 16:52:58 -06:00
relocate-rela.c SPDX: Convert all of our multiple license tags to Linux Kernel style 2018-05-07 10:24:31 -04:00
rkcommon.c rockchip: mkimage: add support for RK3308 2019-11-17 17:22:53 +08:00
rkcommon.h SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
rkimage.c rockchip: Fix rkimage format for SPL boot over USB 2018-10-04 22:55:47 +02:00
rkmux.py rkmux: Convert to Python 3 2019-11-04 18:15:32 -07:00
rksd.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
rkspi.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
rmboard.py Add a simple script to remove boards 2019-07-10 16:52:58 -06:00
socfpgaimage.c crc32: Use the crc.h header for crc functions 2019-12-02 18:23:08 -05:00
spl_size_limit.c imx: replace CONFIG_SECURE_BOOT with CONFIG_IMX_HAB 2019-10-08 16:36:37 +02:00
stm32image.c mkimage: change stm32image header to manage binary information 2019-05-23 11:36:47 +02:00
sunxi-spl-image-builder.c tools: sunxi: avoid read after end of string 2017-05-05 16:45:57 -04:00
ublimage.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
ublimage.h SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
ubsha1.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
vybridimage.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
xway-swap-bytes.c
zynqimage.c SPDX: Convert all of our single license tags to Linux Kernel style 2018-05-07 09:34:12 -04:00
zynqmp_pm_cfg_obj_convert.py arm64: zynqmp: add tool to convert PMU config object .c to binary 2019-07-30 10:20:06 +02:00
zynqmp_psu_init_minimize.sh arm64: zynqmp: Do not remove dpll_prog from psu_init 2019-10-24 13:37:02 +02:00
zynqmpbif.c tools: zynqmpbif: Use compiler builtin instead of linux-specific __swab32 2019-10-28 13:32:51 -04:00
zynqmpimage.c tools: zynqmpimage: Add bif support 2018-05-11 09:23:44 +02:00
zynqmpimage.h SPDX: Correct SPDX tags from recent xilinx merge 2018-05-11 14:54:57 -04:00