https://github.com/torvalds/linux
Revision b910a91836dae6612942bb07ad925460fd109dd0 authored by Linus Torvalds on 07 March 2018, 18:54:11 UTC, committed by Linus Torvalds on 07 March 2018, 18:54:11 UTC
Pull regulator fixes from Mark Brown: "A couple of fixes here: - another half of the supend to idle fix from Geert that went in earlier, both he and I are confused as to why he didn't notice that this was missing when his earlier fix was merged. - a simple fix for a test done the wrong way round in the stm32-vrefbuf driver" * tag 'regulator-fix-v4.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: regulator: Fix resume from suspend to idle regulator: stm32-vrefbuf: fix check on ready flag
Tip revision: b910a91836dae6612942bb07ad925460fd109dd0 authored by Linus Torvalds on 07 March 2018, 18:54:11 UTC
Merge tag 'regulator-fix-v4.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Merge tag 'regulator-fix-v4.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Tip revision: b910a91
compartmentalisation.txt
=========================================
PART-SPECIFIC SOURCE COMPARTMENTALISATION
=========================================
The sources for various parts are compartmentalised at two different levels:
(1) Processor level
The "processor level" is a CPU core plus the other on-silicon
peripherals.
Processor-specific header files are divided among directories in a similar
way to the CPU level:
(*) include/asm-mn10300/proc-mn103e010/
Support for the AM33v2 CPU core.
The appropriate processor is selected by a CONFIG_MN10300_PROC_YYYY option
from the "Processor support" choice menu in the arch/mn10300/Kconfig file.
(2) Unit level
The "unit level" is a processor plus all the external peripherals
controlled by that processor.
Unit-specific header files are divided among directories in a similar way
to the CPU level; not only that, but specific sources may also be
segregated into separate directories under the arch directory:
(*) include/asm-mn10300/unit-asb2303/
(*) arch/mn10300/unit-asb2303/
Support for the ASB2303 board with an ASB2308 daughter board.
(*) include/asm-mn10300/unit-asb2305/
(*) arch/mn10300/unit-asb2305/
Support for the ASB2305 board.
The appropriate processor is selected by a CONFIG_MN10300_UNIT_ZZZZ option
from the "Unit type" choice menu in the arch/mn10300/Kconfig file.
============
COMPILE TIME
============
When the kernel is compiled, symbolic links will be made in the asm header file
directory for this arch:
include/asm-mn10300/proc => include/asm-mn10300/proc-YYYY/
include/asm-mn10300/unit => include/asm-mn10300/unit-ZZZZ/
So that the header files contained in those directories can be accessed without
lots of #ifdef-age.
The appropriate arch/mn10300/unit-ZZZZ directory will also be entered by the
compilation process; all other unit-specific directories will be ignored.
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