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23 Commits

Author SHA1 Message Date
Pedro F. Giffuni
48235fe344 i2c(8): uninitialized variable (UNINIT). 
If i2c_opt.width is somehow zero, buf will be left uninitialized and may
cause trouble later on. This is a followup to r299586.

CID:	1331548
 2016-05-13 15:57:55 +00:00
Pedro F. Giffuni
b1f46f712f i2c(8): uninitialized variable (UNINIT). 
If i2c_opt.width is somehow zero, the bufsize will be left uninitialized
and make cause trouble later on.

CID:		1331549
 2016-05-13 02:58:11 +00:00
Zbigniew Bodek
58172d8cc0 Perform I2C transmission in a single burst when mode is "none" or not set 
Some more automated I2C controllers cannot explicitly create
START/STOP/etc. conditions on the bus.
Instead, the correct condition is set automatically according
to the pending transfer status.
This particular behavior can cause trouble if some I2C slave
requires sending address offset within the chip followed by
the actual data or command. In that case we cannot assume that
the driver will not STOP immediately after sending
offset.

To avoid that, do not split offset transfer from data transfer
for default transmission modes and do exactly that if requested
in command line (stop-start and repeated-start modes).
This more generic approach should cover special cases like
the one described.

Reviewed by:   imp
Submitted by:  Marcin Mazurek <mma@semihalf.com>
Obtained from: Semihalf
 2015-09-15 11:21:16 +00:00
Simon J. Gerraty
ccfb965433 Add META_MODE support. 
Off by default, build behaves normally.
WITH_META_MODE we get auto objdir creation, the ability to
start build from anywhere in the tree.

Still need to add real targets under targets/ to build packages.

Differential Revision:       D2796
Reviewed by: brooks imp
 2015-06-13 19:20:56 +00:00
Simon J. Gerraty
44d314f704 dirdeps.mk now sets DEP_RELDIR 2015-06-08 23:35:17 +00:00
Simon J. Gerraty
9268022b74 Merge from head@274682 2014-11-19 01:07:58 +00:00
Luiz Otavio O Souza
82a2ce4062 Fix a few cases of use of uninitialized variables. Found with -Wall. 
MFC after:	1 week
 2014-11-12 03:59:26 +00:00
Simon J. Gerraty
ee7b0571c2 Merge head from 7/28 2014-08-19 06:50:54 +00:00
Baptiste Daroussin
01c2b8ac0d use .Mt to mark up email addresses consistently (part2) 
PR:		191174
Submitted by:	Franco Fichtner  <franco@lastsummer.de>
 2014-06-20 09:57:27 +00:00
Simon J. Gerraty
fae50821ae Updated dependencies 2014-05-16 14:09:51 +00:00
Simon J. Gerraty
76b28ad6ab Updated dependencies 2014-05-10 05:16:28 +00:00
Simon J. Gerraty
7cf3a1c6b2 Updated dependencies 2013-03-11 17:21:52 +00:00
Simon J. Gerraty
f5f7c05209 Updated dependencies 2013-02-16 01:23:54 +00:00
Marcel Moolenaar
7750ad47a9 Sync FreeBSD's bmake branch with Juniper's internal bmake branch. 
Requested by: Simon Gerraty <sjg@juniper.net>
 2012-08-22 19:25:57 +00:00
Warren Block
344c81a166 Fixes to man8 groff mandoc style, usage mistakes, or typos. 
PR:		168016
Submitted by:	Nobuyuki Koganemaru
Approved by:	gjb
MFC after:	3 days
 2012-05-24 02:24:03 +00:00
Eitan Adler
50d675f7a9 Remove trailing whitespace per mdoc lint warning 
Disussed with:	gavin
No objection from:	doc
Approved by:	joel
MFC after:	3 days
 2012-03-29 05:02:12 +00:00
Eitan Adler
3f028229d9 Fix warning when compiling with gcc46: 
error: variable 'i2c' set but not used

Approved by:	dim, cperciva (mentor, blanket for pre-mentorship already-approved commits)
MFC after:	3 days
 2012-01-20 01:38:44 +00:00
Dimitry Andric
928e797dc0 In usr.sbin/i2c/i2c.c, fix a few warnings about format strings not being 
literals.

MFC after:	1 week
 2011-12-17 20:12:17 +00:00
Ulrich Spörlein
0d9deed52c mdoc: drop redundant .Pp and .LP calls 
They have no effect when coming in pairs, or before .Bl/.Bd
 2010-10-08 12:40:16 +00:00
Joel Dahl
c2025a7660 Fix typos, spelling, formatting and mdoc mistakes found by Nobuyuki while 
translating these manual pages.  Minor corrections by me.

Submitted by:	Nobuyuki Koganemaru <n-kogane@syd.odn.ne.jp>
 2010-08-16 15:18:30 +00:00
Ulrich Spörlein
7d6c0d150d mdoc: Remove leading garbage, empty lines and order preamble 2010-05-27 13:56:19 +00:00
Christian Brueffer
cf6c5eebe7 Use our canonical .Dd format. 
Submitted by:	Ulrich Spoerlein
 2009-11-02 12:35:38 +00:00
Rafal Jaworowski
477f656bb9 Introduce the I2C diagnostic utility. It let's discover and inspect slave 
devices on the bus.

Reviewed by:	bms, stas
Obtained from:	Semihalf
 2009-01-26 14:00:50 +00:00