i3c: mipi-i3c-hci: Cache DAT in memory for Runtime PM restore

Browse source

Prepare for Runtime PM support, which requires restoring the Device Address
Table (DAT) registers after resume.  Maintain a copy of DAT in memory so it
can be reprogrammed when the controller is powered back up.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20260113072702.16268-9-adrian.hunter@intel.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

...

This commit is contained in:

Adrian Hunter 2026-01-13 09:26:49 +02:00 • committed by Alexandre Belloni

parent 29bf98a634

commit a372cfac05

2 changed files with 29 additions and 6 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

29

drivers/i3c/master/mipi-i3c-hci/dat_v1.c

View file

6

drivers/i3c/master/mipi-i3c-hci/hci.h

View file