APPLIED/cmt[D/Unstable]: [PATCH 00/12][SRU][B][C][D][OEM-B] To reduce the Realtek USB cardreader power consumption

Seth Forshee seth.forshee at canonical.com
Fri Jan 11 17:27:48 UTC 2019


On Fri, Jan 11, 2019 at 04:30:07PM +0800, AceLan Kao wrote:
> BugLink: https://bugs.launchpad.net/bugs/1811337
> 
> [Impact]
> Realtek USB cardreader consumes more than 1 Watt during long idle if
> it's not suspended. And it's runtime PM functions are available after
> v4.20.
> 
> [Fix]
> To avoid conflicts, have to backport some patches for mmc core.
> 
> [Test]
> Note: Inside () are the previous value (non-patch)
> Sort idle: 7.76W (7.88)
> Long idle: 4.658W (5.79)
> S3: 0.5W (0.5)
> S5: 0.20W (0.208)
> 
> [Regression Potential]
> Low, most commits are for rtsx_usb_{sdmmc,ms} and are all small changes.

Applied patches 6-12 to disco/master-next and unstable/master. I ended
up cherry picking them myself however because the patches were not
applying cleanly, in the future please confirm which patches are needed
for each release and ensure they apply cleanly. Thanks!



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