diff options
Diffstat (limited to 'doc/develop/moveconfig.rst')
| -rw-r--r-- | doc/develop/moveconfig.rst | 58 |
1 files changed, 22 insertions, 36 deletions
diff --git a/doc/develop/moveconfig.rst b/doc/develop/moveconfig.rst index aaa155e8c70..dcd4d927e40 100644 --- a/doc/develop/moveconfig.rst +++ b/doc/develop/moveconfig.rst @@ -144,50 +144,36 @@ This tool can help find such configs. To use it, first build a database:: Then try to query it:: - ./tools/moveconfig.py -i CONFIG_CMD_IRQ - CONFIG_CMD_IRQ found in 311/2384 defconfigs - 44 : CONFIG_SYS_FSL_ERRATUM_IFC_A002769 - 41 : CONFIG_SYS_FSL_ERRATUM_A007075 - 31 : CONFIG_SYS_FSL_DDR_VER_44 - 28 : CONFIG_ARCH_P1010 - 28 : CONFIG_SYS_FSL_ERRATUM_P1010_A003549 - 28 : CONFIG_SYS_FSL_ERRATUM_SEC_A003571 - 28 : CONFIG_SYS_FSL_ERRATUM_IFC_A003399 - 25 : CONFIG_SYS_FSL_ERRATUM_A008044 - 22 : CONFIG_ARCH_P1020 - 21 : CONFIG_SYS_FSL_DDR_VER_46 - 20 : CONFIG_MAX_PIRQ_LINKS - 20 : CONFIG_HPET_ADDRESS - 20 : CONFIG_X86 - 20 : CONFIG_PCIE_ECAM_SIZE - 20 : CONFIG_IRQ_SLOT_COUNT - 20 : CONFIG_I8259_PIC - 20 : CONFIG_CPU_ADDR_BITS - 20 : CONFIG_RAMBASE - 20 : CONFIG_SYS_FSL_ERRATUM_A005871 - 20 : CONFIG_PCIE_ECAM_BASE - 20 : CONFIG_X86_TSC_TIMER - 20 : CONFIG_I8254_TIMER - 20 : CONFIG_CMD_GETTIME - 19 : CONFIG_SYS_FSL_ERRATUM_A005812 - 18 : CONFIG_X86_RUN_32BIT - 17 : CONFIG_CMD_CHIP_CONFIG - ... - -This shows a list of config options which might imply CONFIG_CMD_EEPROM along + ./tools/moveconfig.py -i CONFIG_I8042_KEYB + CONFIG_I8042_KEYB found in 33/5155 defconfigs + 28 : CONFIG_X86 + 28 : CONFIG_SA_PCIEX_LENGTH + 28 : CONFIG_HPET_ADDRESS + 28 : CONFIG_MAX_PIRQ_LINKS + 28 : CONFIG_I8254_TIMER + 28 : CONFIG_I8259_PIC + 28 : CONFIG_RAMBASE + 28 : CONFIG_IRQ_SLOT_COUNT + 28 : CONFIG_PCIE_ECAM_SIZE + 28 : CONFIG_APIC + ... + +This shows a list of config options which might imply CONFIG_I8042_KEYB along with how many defconfigs they cover. From this you can see that CONFIG_X86 -implies CONFIG_CMD_EEPROM. Therefore, instead of adding CONFIG_CMD_EEPROM to +generally implies CONFIG_I8042_KEYB but not always (28 out of 35). Therefore, +instead of adding CONFIG_I8042_KEYB to the defconfig of every x86 board, you could add a single imply line to the -Kconfig file: +Kconfig file:: config X86 bool "x86 architecture" ... imply CMD_EEPROM -That will cover 20 defconfigs. Many of the options listed are not suitable as -they are not related. E.g. it would be odd for CONFIG_CMD_GETTIME to imply -CMD_EEPROM. +That will cover 28 defconfigs and you can perhaps find another condition that +indicates that CONFIG_I8042_KEYB is not needed for the remaining 5 boards. Many +of the options listed are not suitable as they are not related. E.g. it would be +odd for CONFIG_RAMBASE to imply CONFIG_I8042_KEYB. Using this search you can reduce the size of moveconfig patches. |