This can be considered a v3 of "i2c: designware: do not disable adapter after transfer". Differences are:
- Now there's a first patch that does not depend on IC_TAR being dynamically enabled/disabled: it just doesn't wait for the state change when not needed. - We added a patch that allows detecting if HW supports the dynamic TAR updates - In the last patch the bits were changed as suggested by Jarkko. - This is tested on BayTrail and CherryTrail, both of them returning true for "dynamically update TAR" José Roberto de Souza (1): i2c: designware: wait for disable/enable only if necessary Lucas De Marchi (2): i2c: designware: detect when dynamic tar update is possible i2c: designware: do not disable adapter after transfer drivers/i2c/busses/i2c-designware-core.c | 103 +++++++++++++++++++++---------- drivers/i2c/busses/i2c-designware-core.h | 1 + 2 files changed, 72 insertions(+), 32 deletions(-) -- 2.7.4