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MFC r336050-r336051, r336142, r336326, r337719

Description

MFC r336050-r336051, r336142, r336326, r337719

r336050:
ig4(4): add support for Apollo Lake I2C controllers

Add PCI ids for I2C controllers on Apollo Lake platform. Also convert
switch/case probe logic into a table.

Reviewed by: avg
Differential Revision: https://reviews.freebsd.org/D16120

r336051:
ig4(4): Fix Apollo lake entries platform identifier

Identify Apollo Lake controllers as IG4_APL and not as a IG4_SKYLAKE

Reported by: rpokala@

r336142:
ig4(4): add devmatch(8) PNP info

Now that we have all devices ids in a table add MODULE_PNP_INFO macro
to let devmatch autoload module

r336326:
Remove MODULE_PNP_INFO for ig4(4) driver

ig4(4) does not support suspend/resume but present on the hardware where
such functionality is critical, like laptops. Remove PNP info to avoid
breaking suspend/resume on the systems where ig4(4) load is not explicitly
requested by the user.

PR: 229791
Reported by: Ali Abdallah

r337719:
[ig4] Fix initialization sequence for newer ig4 chips

Newer chips may require assert/deassert after power down for proper
startup. Check respective flag in DEVIDLE_CTRL and perform operation
if neccesssary.

PR: 221777
Submitted by: marc.priggemeyer@gmail.com
Obtained from: DragonFly BSD
Tested on: Thinkpad T470

Details

Committed
gonzoSep 30 2018, 11:14 PM
Reviewer
avg
Differential Revision
D16120: ig(4): add support for Apollo Lake I2C controllers
Parents
rS339028: Plug mbuf leak in the SCTP input path in an error case.
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