On Tue, 2018-06-05 at 19:01 +0200, Greg Kroah-Hartman wrote: > 4.4-stable review patch. If anyone has any objections, please let me know. > > ------------------ > > From: Wolfram Sang <wsa+rene...@sang-engineering.com> > > commit 2c78cdc1c06308a59d6ed4145cdba73fdeff8c0d upstream. > > We don't need to init HW before every transfer since we know the HW > state then. HW init at probe time is enough.
This part got reverted upstream by: commit ae481cc139658e89eb3ea671dd00b67bd87f01a3 Author: Wolfram Sang <wsa+rene...@sang-engineering.com> Date: Tue Apr 18 20:38:35 2017 +0200 i2c: rcar: fix resume by always initializing registers before transfer so maybe that should go into stable (4.4 and 4.9 branches) too? Ben. > While here, add setting the > clock register which belongs to init HW. Also, set MDBS bit since not > setting it is prohibited according to the manual. [...] -- Ben Hutchings, Software Developer Codethink Ltd https://www.codethink.co.uk/ Dale House, 35 Dale Street Manchester, M1 2HF, United Kingdom
