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Emmanuel Vadot 25f0326aea simplebus pnp: Do not generate pnp info is the bus status is not okay
Generating the pnp info have the side effect to include all nodes even
if the status isn't "okay".
That means that loading the module will load but not attach as it checks
the status in the probe function.

On pine64 before :
root@pine64-lts:~ # devmatch -u
unattached on ofwbus pnpinfo name=memory
unattached on ofwbus pnpinfo name=chosen
unattached on ofwbus pnpinfo name=sound_spdif compat=simple-audio-card
unattached on ofwbus pnpinfo name=spdif-out compat=linux,spdif-dit
unattached on simplebus pnpinfo name=dma-controller@1c02000 compat=allwinner,sun50i-a64-dma
unattached on simplebus pnpinfo name=mmc@1c10000 compat=allwinner,sun50i-a64-mmc
unattached on simplebus pnpinfo name=usb@1c19000 compat=allwinner,sun8i-a33-musb
unattached on simplebus pnpinfo name=spdif@1c21000 compat=allwinner,sun50i-a64-spdif
unattached on simplebus pnpinfo name=i2s@1c22000 compat=allwinner,sun50i-a64-i2s
unattached on simplebus pnpinfo name=i2s@1c22400 compat=allwinner,sun50i-a64-i2s
unattached on simplebus pnpinfo name=serial@1c28400 compat=snps,dw-apb-uart
unattached on simplebus pnpinfo name=serial@1c28800 compat=snps,dw-apb-uart
unattached on simplebus pnpinfo name=serial@1c28c00 compat=snps,dw-apb-uart
unattached on simplebus pnpinfo name=serial@1c29000 compat=snps,dw-apb-uart
unattached on simplebus pnpinfo name=i2c@1c2ac00 compat=allwinner,sun6i-a31-i2c
unattached on simplebus pnpinfo name=i2c@1c2b000 compat=allwinner,sun6i-a31-i2c
unattached on simplebus pnpinfo name=i2c@1c2b400 compat=allwinner,sun6i-a31-i2c
unattached on ofwbus pnpinfo name=aliases
unattached on ofwbus pnpinfo name=symbols

All simplebus node are disabled

After :
root@pine64-lts:~ # devmatch -u
unattached on ofwbus pnpinfo name=memory
unattached on ofwbus pnpinfo name=chosen
unattached on ofwbus pnpinfo name=sound_spdif compat=simple-audio-card
unattached on ofwbus pnpinfo name=spdif-out compat=linux,spdif-dit
unattached on simplebus pnpinfo name=dma-controller@1c02000 compat=allwinner,sun50i-a64-dma
unattached on simplebus pnpinfo name=usb@1c19000 compat=allwinner,sun8i-a33-musb
unattached on ofwbus pnpinfo name=aliases
unattached on ofwbus pnpinfo name=symbols

Reviewed by:	imp (with some objection)
Differential Revision:	https://reviews.freebsd.org/D15770
2018-06-12 20:03:00 +00:00
bin Add an example to the chflags(1) man page. 2018-06-12 16:44:13 +00:00
cddl Process CUs with a language attribute of DW_LANG_Mips_Assembler. 2018-06-11 16:33:36 +00:00
contrib Add DW_LANG_* definitions from DWARF 4 and 5. 2018-06-09 14:50:38 +00:00
crypto Merge upstream patch to unbreak tunnel forwarding. 2018-05-16 14:04:39 +00:00
etc User service foo rather than /etc/rc.d/foo. 2018-06-11 22:48:34 +00:00
gnu Use a script wrapper for <compress>grep 2018-04-25 13:23:58 +00:00
include Add time2posix and posix2time to time.h 2018-05-25 13:40:05 +00:00
kerberos5 various: general adoption of SPDX licensing ID tags. 2017-11-27 15:37:16 +00:00
lib pmc gcc fixups 2018-06-11 16:09:54 +00:00
libexec Make rtld use libc_nossp_pic.a. Remove SSP shims. 2018-05-09 10:30:56 +00:00
release Enable USB OTG serial terminal on ARM SD card images. This configures 2018-06-12 16:45:52 +00:00
rescue Avoid referencing private lib names directly. 2017-11-10 07:53:02 +00:00
sbin Follow r333233, add fat32lba description to gpart(8) 2018-06-12 01:50:58 +00:00
secure Upgrade to OpenSSH 7.7p1. 2018-05-11 13:22:43 +00:00
share Add hrs, meta and myself to share/misc/committers-ports.dot 2018-06-12 07:51:03 +00:00
stand lualoader: Match Forth module-loading behavior w.r.t flags 2018-06-12 18:42:41 +00:00
sys simplebus pnp: Do not generate pnp info is the bus status is not okay 2018-06-12 20:03:00 +00:00
targets Add kernel and userspace code to dump the firmware state of supported 2018-03-08 15:21:56 +00:00
tests audit(4): add tests for stat(2) and friends 2018-06-10 21:36:29 +00:00
tools WITHOUT_NLS cleanup of more empty dirs. 2018-06-12 19:26:25 +00:00
usr.bin Fix memory leak 2018-06-12 16:42:11 +00:00
usr.sbin cpucontrol: 2018-06-12 18:58:56 +00:00
.arcconfig callsign isn't required anymore 2016-09-29 06:19:45 +00:00
.arclint arc lint: ignore /tests/ in chmod 2017-12-19 03:38:06 +00:00
.gitattributes .git*: add gitattributes and gitignore 2017-12-25 21:07:54 +00:00
.gitignore .git*: add gitattributes and gitignore 2017-12-25 21:07:54 +00:00
COPYRIGHT Remove 'All Rights Reserved' from the collection copyright and templates. 2018-05-09 02:02:49 +00:00
LOCKS LOCKS: update current locks 2018-06-09 03:08:04 +00:00
MAINTAINERS Pass on bhyve kernel module maintenance to 2018-06-10 04:25:19 +00:00
Makefile Restore arm, riscv, sparc64, and mips to UNIVERSE after r334128 2018-05-24 14:01:22 +00:00
Makefile.inc1 Bump __FreeBSD_version after r334881 and force libdwarf to be rebuilt. 2018-06-09 20:01:03 +00:00
Makefile.libcompat libpmc/pmu: enable for i386 as well 2018-05-31 22:26:55 +00:00
Makefile.sys.inc AUTO_OBJ: For all top-level targets enforce using an OBJDIR. 2017-12-05 21:29:47 +00:00
ObsoleteFiles.inc Revert r334929 2018-06-10 19:15:38 +00:00
README README: Reduce the textdump; describe the project 2018-05-23 04:09:01 +00:00
README.md README: Reduce the textdump; describe the project 2018-05-23 04:09:01 +00:00
UPDATING Revert size limits. 2018-06-11 20:38:30 +00:00

FreeBSD Source:

This is the top level of the FreeBSD source directory. This file was last revised on: FreeBSD

FreeBSD is an operating system used to power modern servers, desktops, and embedded platforms. A large community has continually developed it for more than thirty years. Its advanced networking, security, and storage features have made FreeBSD the platform of choice for many of the busiest web sites and most pervasive embedded networking and storage devices.

For copyright information, please see the file COPYRIGHT in this directory. Additional copyright information also exists for some sources in this tree - please see the specific source directories for more information.

The Makefile in this directory supports a number of targets for building components (or all) of the FreeBSD source tree. See build(7), config(8), https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/makeworld.html, and https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig.html for more information, including setting make(1) variables.

Source Roadmap:

bin		System/user commands.

cddl		Various commands and libraries under the Common Development
		and Distribution License.

contrib		Packages contributed by 3rd parties.

crypto		Cryptography stuff (see crypto/README).

etc		Template files for /etc.

gnu		Various commands and libraries under the GNU Public License.
		Please see gnu/COPYING* for more information.

include		System include files.

kerberos5	Kerberos5 (Heimdal) package.

lib		System libraries.

libexec		System daemons.

release		Release building Makefile & associated tools.

rescue		Build system for statically linked /rescue utilities.

sbin		System commands.

secure		Cryptographic libraries and commands.

share		Shared resources.

stand		Boot loader sources.

sys		Kernel sources.

sys/<arch>/conf Kernel configuration file

tests		Regression tests which can be run by Kyua.  See tests/README
		for additional information.

tools		Utilities for regression testing and miscellaneous tasks.

usr.bin		User commands.

usr.sbin	System administration commands.

For information on synchronizing your source tree with one or more of the FreeBSD Project's development branches, please see:

https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/current-stable.html